/* =============================================================
   DIGISTORES — MAIN DESIGN SYSTEM
   css/main.css
   
   This file is the foundation of the entire visual system.
   Every other CSS file imports or builds on top of this.
   
   CONTENTS:
   1.  CSS Custom Properties (Design Tokens)
   2.  Dark Mode Variables
   3.  CSS Reset
   4.  Base Typography
   5.  Layout Utilities
   6.  Button System
   7.  Card System
   8.  Form System
   9.  Badge System
   10. Alert System
   11. Modal System
   12. Toast Notification System
   13. Loading States
   14. Skeleton Loaders
   15. Navigation Base
   16. Empty State Components
   17. Avatar System
   18. Dividers
   19. Table Styles
   20. Stat Card Components
   21. Progress Components
   22. Status Indicators
   23. Responsive Utilities
   24. Accessibility
   25. Animations
   26. Scrollbar Styling
   27. Print Styles
   ============================================================= */


/* =============================================================
   1. CSS CUSTOM PROPERTIES — LIGHT MODE (DEFAULT)
   ============================================================= */

:root {
  /* --- Brand Colors --- */
  --color-primary:          #6C63FF;
  --color-primary-hover:    #5A52E0;
  --color-primary-light:    #EEF0FF;
  --color-primary-dark:     #4A42C8;

  --color-accent:           #00D4AA;
  --color-accent-hover:     #00B894;
  --color-accent-light:     #E0FBF5;

  --color-success:          #10B981;
  --color-success-light:    #D1FAE5;
  --color-success-dark:     #065F46;

  --color-warning:          #F59E0B;
  --color-warning-light:    #FEF3C7;
  --color-warning-dark:     #92400E;

  --color-error:            #EF4444;
  --color-error-light:      #FEE2E2;
  --color-error-dark:       #991B1B;

  --color-info:             #3B82F6;
  --color-info-light:       #DBEAFE;
  --color-info-dark:        #1E3A8A;

  /* --- Neutral Colors --- */
  --color-white:            #FFFFFF;
  --color-black:            #000000;

  --color-gray-50:          #F9FAFB;
  --color-gray-100:         #F3F4F6;
  --color-gray-200:         #E5E7EB;
  --color-gray-300:         #D1D5DB;
  --color-gray-400:         #9CA3AF;
  --color-gray-500:         #6B7280;
  --color-gray-600:         #4B5563;
  --color-gray-700:         #374151;
  --color-gray-800:         #1F2937;
  --color-gray-900:         #111827;

  /* --- Semantic Background Colors --- */
  --bg-primary:             #FFFFFF;
  --bg-secondary:           #F9FAFB;
  --bg-tertiary:            #F3F4F6;
  --bg-inverse:             #111827;
  --bg-overlay:             rgba(0, 0, 0, 0.5);

  /* --- Semantic Surface Colors --- */
  --surface-1:              #FFFFFF;
  --surface-2:              #F9FAFB;
  --surface-3:              #F3F4F6;
  --surface-raised:         #FFFFFF;
  --surface-overlay:        #FFFFFF;

  /* --- Semantic Text Colors --- */
  --text-primary:           #111827;
  --text-secondary:         #4B5563;
  --text-tertiary:          #9CA3AF;
  --text-inverse:           #FFFFFF;
  --text-link:              #6C63FF;
  --text-link-hover:        #5A52E0;
  --text-disabled:          #D1D5DB;

  /* --- Border Colors --- */
  --border-light:           #F3F4F6;
  --border-default:         #E5E7EB;
  --border-strong:          #D1D5DB;
  --border-focus:           #6C63FF;

  /* --- Shadow System --- */
  --shadow-xs:   0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm:   0 2px 4px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md:   0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg:   0 8px 24px rgba(0, 0, 0, 0.10), 0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl:   0 16px 40px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.06);
  --shadow-2xl:  0 24px 64px rgba(0, 0, 0, 0.14), 0 12px 24px rgba(0, 0, 0, 0.08);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-primary: 0 4px 16px rgba(108, 99, 255, 0.30);
  --shadow-accent:  0 4px 16px rgba(0, 212, 170, 0.30);

  /* --- Typography --- */
  --font-family-base:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                          Roboto, Oxygen, Ubuntu, sans-serif;
  --font-family-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                          Roboto, sans-serif;
  --font-family-mono:    'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --font-size-xs:    0.75rem;    /* 12px */
  --font-size-sm:    0.875rem;   /* 14px */
  --font-size-base:  1rem;       /* 16px */
  --font-size-lg:    1.125rem;   /* 18px */
  --font-size-xl:    1.25rem;    /* 20px */
  --font-size-2xl:   1.5rem;     /* 24px */
  --font-size-3xl:   1.875rem;   /* 30px */
  --font-size-4xl:   2.25rem;    /* 36px */
  --font-size-5xl:   3rem;       /* 48px */
  --font-size-6xl:   3.75rem;    /* 60px */

  --font-weight-light:    300;
  --font-weight-regular:  400;
  --font-weight-medium:   500;
  --font-weight-semibold: 600;
  --font-weight-bold:     700;
  --font-weight-extrabold:800;

  --line-height-tight:   1.2;
  --line-height-snug:    1.35;
  --line-height-normal:  1.5;
  --line-height-relaxed: 1.65;
  --line-height-loose:   2;

  --letter-spacing-tight:  -0.025em;
  --letter-spacing-normal:  0em;
  --letter-spacing-wide:    0.025em;
  --letter-spacing-wider:   0.05em;
  --letter-spacing-widest:  0.1em;

  /* --- Spacing System (8px base grid) --- */
  --space-0:    0;
  --space-1:    0.25rem;   /* 4px */
  --space-2:    0.5rem;    /* 8px */
  --space-3:    0.75rem;   /* 12px */
  --space-4:    1rem;      /* 16px */
  --space-5:    1.25rem;   /* 20px */
  --space-6:    1.5rem;    /* 24px */
  --space-7:    1.75rem;   /* 28px */
  --space-8:    2rem;      /* 32px */
  --space-10:   2.5rem;    /* 40px */
  --space-12:   3rem;      /* 48px */
  --space-14:   3.5rem;    /* 56px */
  --space-16:   4rem;      /* 64px */
  --space-20:   5rem;      /* 80px */
  --space-24:   6rem;      /* 96px */
  --space-32:   8rem;      /* 128px */

  /* --- Border Radius --- */
  --radius-none:   0;
  --radius-sm:     0.25rem;   /* 4px */
  --radius-md:     0.5rem;    /* 8px */
  --radius-lg:     0.75rem;   /* 12px */
  --radius-xl:     1rem;      /* 16px */
  --radius-2xl:    1.5rem;    /* 24px */
  --radius-3xl:    2rem;      /* 32px */
  --radius-full:   9999px;

  /* --- Transitions --- */
  --transition-fast:    all 0.15s ease;
  --transition-base:    all 0.20s ease;
  --transition-slow:    all 0.30s ease;
  --transition-slower:  all 0.45s ease;

  /* --- Z-Index Scale --- */
  --z-below:     -1;
  --z-base:       0;
  --z-raised:    10;
  --z-dropdown:  100;
  --z-sticky:    200;
  --z-overlay:   300;
  --z-modal:     400;
  --z-popover:   500;
  --z-toast:     600;
  --z-tooltip:   700;

  /* --- Layout --- */
  --container-sm:   640px;
  --container-md:   768px;
  --container-lg:   1024px;
  --container-xl:   1280px;
  --container-2xl:  1536px;

  --navbar-height:         64px;
  --sidebar-width:         260px;
  --sidebar-collapsed:     72px;

  /* --- Product Card --- */
  --card-product-width:    240px;
  --card-product-radius:   var(--radius-xl);
}


/* =============================================================
   2. DARK MODE VARIABLES
   ============================================================= */

[data-theme="dark"] {
  /* --- Semantic Background Colors --- */
  --bg-primary:             #0A0A0F;
  --bg-secondary:           #12121A;
  --bg-tertiary:            #1A1A26;
  --bg-inverse:             #F9FAFB;
  --bg-overlay:             rgba(0, 0, 0, 0.70);

  /* --- Semantic Surface Colors --- */
  --surface-1:              #12121A;
  --surface-2:              #1A1A26;
  --surface-3:              #222233;
  --surface-raised:         #1E1E2E;
  --surface-overlay:        #1A1A26;

  /* --- Semantic Text Colors --- */
  --text-primary:           #F1F1F8;
  --text-secondary:         #A0A0B8;
  --text-tertiary:          #6B6B85;
  --text-inverse:           #111827;
  --text-link:              #8B85FF;
  --text-link-hover:        #A8A3FF;
  --text-disabled:          #3A3A50;

  /* --- Border Colors --- */
  --border-light:           #1E1E2E;
  --border-default:         #2A2A3E;
  --border-strong:          #3A3A50;
  --border-focus:           #8B85FF;

  /* --- Shadow System (darker, more subtle) --- */
  --shadow-xs:   0 1px 2px rgba(0, 0, 0, 0.20);
  --shadow-sm:   0 2px 4px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.15);
  --shadow-md:   0 4px 12px rgba(0, 0, 0, 0.30), 0 2px 4px rgba(0, 0, 0, 0.20);
  --shadow-lg:   0 8px 24px rgba(0, 0, 0, 0.35), 0 4px 8px rgba(0, 0, 0, 0.20);
  --shadow-xl:   0 16px 40px rgba(0, 0, 0, 0.40), 0 8px 16px rgba(0, 0, 0, 0.25);
  --shadow-2xl:  0 24px 64px rgba(0, 0, 0, 0.50), 0 12px 24px rgba(0, 0, 0, 0.30);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.30);
  --shadow-primary: 0 4px 16px rgba(108, 99, 255, 0.40);
  --shadow-accent:  0 4px 16px rgba(0, 212, 170, 0.40);

  /* --- Brand colors remain the same in dark mode --- */
  --color-primary-light:    rgba(108, 99, 255, 0.15);
  --color-accent-light:     rgba(0, 212, 170, 0.15);
  --color-success-light:    rgba(16, 185, 129, 0.15);
  --color-warning-light:    rgba(245, 158, 11, 0.15);
  --color-error-light:      rgba(239, 68, 68, 0.15);
  --color-info-light:       rgba(59, 130, 246, 0.15);
}


/* =============================================================
   3. CSS RESET
   ============================================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  height: 100%;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

img,
video,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--text-link-hover);
}

button {
  font-family: var(--font-family-base);
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

input,
textarea,
select {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

hr {
  border: none;
  border-top: 1px solid var(--border-default);
  margin: var(--space-6) 0;
}

::selection {
  background-color: var(--color-primary);
  color: var(--color-white);
}


/* =============================================================
   4. BASE TYPOGRAPHY
   ============================================================= */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-display);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  letter-spacing: var(--letter-spacing-tight);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

strong {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

small {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

code {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  background-color: var(--surface-3);
  padding: 0.1em 0.3em;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

.text-xs    { font-size: var(--font-size-xs); }
.text-sm    { font-size: var(--font-size-sm); }
.text-base  { font-size: var(--font-size-base); }
.text-lg    { font-size: var(--font-size-lg); }
.text-xl    { font-size: var(--font-size-xl); }
.text-2xl   { font-size: var(--font-size-2xl); }
.text-3xl   { font-size: var(--font-size-3xl); }
.text-4xl   { font-size: var(--font-size-4xl); }

.text-primary   { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary  { color: var(--text-tertiary); }
.text-inverse   { color: var(--text-inverse); }
.text-link      { color: var(--text-link); }

.text-brand   { color: var(--color-primary); }
.text-accent  { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error   { color: var(--color-error); }

.font-light     { font-weight: var(--font-weight-light); }
.font-regular   { font-weight: var(--font-weight-regular); }
.font-medium    { font-weight: var(--font-weight-medium); }
.font-semibold  { font-weight: var(--font-weight-semibold); }
.font-bold      { font-weight: var(--font-weight-bold); }
.font-extrabold { font-weight: var(--font-weight-extrabold); }

.text-left    { text-align: left; }
.text-center  { text-align: center; }
.text-right   { text-align: right; }

.leading-tight   { line-height: var(--line-height-tight); }
.leading-snug    { line-height: var(--line-height-snug); }
.leading-normal  { line-height: var(--line-height-normal); }
.leading-relaxed { line-height: var(--line-height-relaxed); }

.tracking-tight   { letter-spacing: var(--letter-spacing-tight); }
.tracking-normal  { letter-spacing: var(--letter-spacing-normal); }
.tracking-wide    { letter-spacing: var(--letter-spacing-wide); }
.tracking-wider   { letter-spacing: var(--letter-spacing-wider); }
.tracking-widest  { letter-spacing: var(--letter-spacing-widest); }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}


/* =============================================================
   5. LAYOUT UTILITIES
   ============================================================= */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.container-sm  { max-width: var(--container-sm); }
.container-md  { max-width: var(--container-md); }
.container-lg  { max-width: var(--container-lg); }
.container-xl  { max-width: var(--container-xl); }
.container-2xl { max-width: var(--container-2xl); }

@media (min-width: 640px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

/* Flex utilities */
.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.flex-row     { flex-direction: row; }
.flex-wrap    { flex-wrap: wrap; }
.flex-nowrap  { flex-wrap: nowrap; }

.items-start    { align-items: flex-start; }
.items-center   { align-items: center; }
.items-end      { align-items: flex-end; }
.items-stretch  { align-items: stretch; }

.justify-start    { justify-content: flex-start; }
.justify-center   { justify-content: center; }
.justify-end      { justify-content: flex-end; }
.justify-between  { justify-content: space-between; }
.justify-around   { justify-content: space-around; }

.flex-1    { flex: 1; }
.flex-none { flex: none; }
.flex-auto { flex: auto; }

.gap-1  { gap: var(--space-1); }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-5  { gap: var(--space-5); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }

/* Grid utilities */
.grid { display: grid; }

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* Display utilities */
.block         { display: block; }
.inline-block  { display: inline-block; }
.inline        { display: inline; }
.hidden        { display: none; }

/* Position utilities */
.relative  { position: relative; }
.absolute  { position: absolute; }
.fixed     { position: fixed; }
.sticky    { position: sticky; }

/* Width utilities */
.w-full    { width: 100%; }
.w-auto    { width: auto; }
.w-fit     { width: fit-content; }
.h-full    { height: 100%; }
.h-screen  { height: 100vh; }
.min-h-screen { min-height: 100vh; }

/* Overflow utilities */
.overflow-hidden   { overflow: hidden; }
.overflow-auto     { overflow: auto; }
.overflow-x-auto   { overflow-x: auto; }
.overflow-y-auto   { overflow-y: auto; }

/* Spacing utilities */
.m-0  { margin: 0; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

.p-0  { padding: 0; }
.p-2  { padding: var(--space-2); }
.p-4  { padding: var(--space-4); }
.p-6  { padding: var(--space-6); }
.p-8  { padding: var(--space-8); }

/* Background utilities */
.bg-primary   { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-surface   { background-color: var(--surface-1); }

/* Border utilities */
.border         { border: 1px solid var(--border-default); }
.border-light   { border: 1px solid var(--border-light); }
.border-strong  { border: 1px solid var(--border-strong); }
.border-top     { border-top: 1px solid var(--border-default); }
.border-bottom  { border-bottom: 1px solid var(--border-default); }
.border-none    { border: none; }

.rounded-sm   { border-radius: var(--radius-sm); }
.rounded-md   { border-radius: var(--radius-md); }
.rounded-lg   { border-radius: var(--radius-lg); }
.rounded-xl   { border-radius: var(--radius-xl); }
.rounded-2xl  { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow utilities */
.shadow-xs  { box-shadow: var(--shadow-xs); }
.shadow-sm  { box-shadow: var(--shadow-sm); }
.shadow-md  { box-shadow: var(--shadow-md); }
.shadow-lg  { box-shadow: var(--shadow-lg); }
.shadow-xl  { box-shadow: var(--shadow-xl); }
.shadow-none { box-shadow: none; }


/* =============================================================
   6. BUTTON SYSTEM
   ============================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-lg);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-base);
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
  position: relative;
  overflow: hidden;
  min-height: 48px; /* Thumb-friendly minimum */
}

.btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(108, 99, 255, 0.40);
  color: var(--color-white);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-primary);
}

/* Accent Button */
.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-black);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  color: var(--color-black);
}

.btn-accent:active {
  transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
  background-color: var(--surface-2);
  color: var(--text-primary);
  border-color: var(--border-default);
}

.btn-secondary:hover {
  background-color: var(--surface-3);
  border-color: var(--border-strong);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* Outline Button */
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  transform: translateY(-1px);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--surface-2);
  color: var(--text-primary);
}

/* Danger Button */
.btn-danger {
  background-color: var(--color-error);
  color: var(--color-white);
  border-color: var(--color-error);
}

.btn-danger:hover {
  background-color: var(--color-error-dark);
  border-color: var(--color-error-dark);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Success Button */
.btn-success {
  background-color: var(--color-success);
  color: var(--color-white);
  border-color: var(--color-success);
}

.btn-success:hover {
  background-color: var(--color-success-dark);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* WhatsApp Button */
.btn-whatsapp {
  background-color: #25D366;
  color: var(--color-white);
  border-color: #25D366;
}

.btn-whatsapp:hover {
  background-color: #1EBE5D;
  border-color: #1EBE5D;
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Button Sizes */
.btn-xs {
  padding: 0.375rem 0.75rem;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-md);
  min-height: 32px;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  min-height: 40px;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
  min-height: 56px;
}

.btn-xl {
  padding: 1.25rem 2.5rem;
  font-size: var(--font-size-xl);
  border-radius: var(--radius-xl);
  min-height: 64px;
}

.btn-full {
  width: 100%;
}

/* Loading state for buttons */
.btn.loading {
  pointer-events: none;
  opacity: 0.8;
}

.btn.loading::after {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
  margin-left: var(--space-2);
}

@keyframes btn-spin {
  to { transform: rotate(360deg); }
}


/* =============================================================
   7. CARD SYSTEM
   ============================================================= */

.card {
  background-color: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.card-hover:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--border-strong);
}

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-primary);
}

.card-flat {
  box-shadow: none;
  border: 1px solid var(--border-default);
}

.card-elevated {
  box-shadow: var(--shadow-lg);
  border: none;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-light);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.card-body {
  flex: 1;
}

.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Product Card */
.product-card {
  background-color: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.product-card__image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background-color: var(--surface-3);
  position: relative;
  overflow: hidden;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--surface-2), var(--surface-3));
  color: var(--text-tertiary);
  font-size: 3rem;
}

.product-card__body {
  padding: var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.product-card__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  line-height: var(--line-height-snug);
}

.product-card__supplier {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.product-card__price {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.product-card__margin {
  font-size: var(--font-size-sm);
  color: var(--color-success);
  font-weight: var(--font-weight-medium);
}

.product-card__footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border-light);
  background-color: var(--surface-2);
}

/* Stat Card */
.stat-card {
  background-color: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: var(--transition-base);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
}

.stat-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.stat-card__icon--primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.stat-card__icon--accent {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.stat-card__icon--success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

.stat-card__icon--warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning);
}

.stat-card__icon--error {
  background-color: var(--color-error-light);
  color: var(--color-error);
}

.stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

.stat-card__value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  letter-spacing: var(--letter-spacing-tight);
  line-height: 1;
}

.stat-card__change {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.stat-card__change--up   { color: var(--color-success); }
.stat-card__change--down { color: var(--color-error); }


/* =============================================================
   8. FORM SYSTEM
   ============================================================= */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-label .required {
  color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background-color: var(--surface-1);
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  min-height: 48px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--border-strong);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
  background-color: var(--surface-1);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.10);
}

.form-input.success,
.form-textarea.success,
.form-select.success {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.10);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: var(--line-height-relaxed);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-success {
  font-size: var(--font-size-xs);
  color: var(--color-success);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Input with prefix/suffix */
.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix,
.input-suffix {
  position: absolute;
  display: flex;
  align-items: center;
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  pointer-events: none;
}

.input-prefix {
  left: 1rem;
}

.input-suffix {
  right: 1rem;
}

.input-group .form-input.has-prefix {
  padding-left: 2.5rem;
}

.input-group .form-input.has-suffix {
  padding-right: 2.5rem;
}

/* Checkbox and Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background-color: var(--surface-1);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--color-primary);
}

.form-check input[type="radio"] {
  border-radius: var(--radius-full);
}

.form-check-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: var(--line-height-normal);
  cursor: pointer;
}

/* Toggle Switch */
.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  gap: var(--space-3);
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-slider {
  width: 48px;
  height: 26px;
  background-color: var(--color-gray-300);
  border-radius: var(--radius-full);
  position: relative;
  transition: var(--transition-base);
  flex-shrink: 0;
}

.toggle-slider::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 20px;
  height: 20px;
  background-color: white;
  border-radius: 50%;
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.toggle input:checked + .toggle-slider {
  background-color: var(--color-primary);
}

.toggle input:checked + .toggle-slider::after {
  left: calc(100% - 23px);
}

.toggle-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* File Upload */
.file-upload {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: var(--transition-base);
  background-color: var(--surface-2);
}

.file-upload:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.file-upload.drag-over {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  transform: scale(1.01);
}

.file-upload input[type="file"] {
  display: none;
}

.file-upload__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
  color: var(--text-tertiary);
}

.file-upload__text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
}

.file-upload__hint {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}


/* =============================================================
   9. BADGE SYSTEM
   ============================================================= */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.625rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  white-space: nowrap;
  letter-spacing: var(--letter-spacing-wide);
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-accent {
  background-color: var(--color-accent-light);
  color: var(--color-accent-hover);
}

.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success-dark);
}

.badge-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning-dark);
}

.badge-error {
  background-color: var(--color-error-light);
  color: var(--color-error-dark);
}

.badge-info {
  background-color: var(--color-info-light);
  color: var(--color-info-dark);
}

.badge-neutral {
  background-color: var(--surface-3);
  color: var(--text-secondary);
}

/* Verified Badge */
.badge-verified {
  background-color: var(--color-success-light);
  color: var(--color-success-dark);
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* Order Status Badges */
.badge-status-pending          { background-color: var(--color-warning-light); color: var(--color-warning-dark); }
.badge-status-confirmed        { background-color: var(--color-info-light);    color: var(--color-info-dark); }
.badge-status-processing       { background-color: var(--color-primary-light); color: var(--color-primary); }
.badge-status-dispatched       { background-color: var(--color-accent-light);  color: var(--color-accent-hover); }
.badge-status-delivered        { background-color: var(--color-success-light); color: var(--color-success-dark); }
.badge-status-cancelled        { background-color: var(--color-error-light);   color: var(--color-error-dark); }
.badge-status-returned         { background-color: var(--surface-3);           color: var(--text-secondary); }
.badge-status-refunded         { background-color: var(--color-warning-light); color: var(--color-warning-dark); }


/* =============================================================
   10. ALERT SYSTEM
   ============================================================= */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.alert-icon {
  flex-shrink: 0;
  font-size: 1.125rem;
  margin-top: 1px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: var(--font-weight-semibold);
  color: inherit;
  margin-bottom: var(--space-1);
}

.alert-success {
  background-color: var(--color-success-light);
  border-color: var(--color-success);
  color: var(--color-success-dark);
}

.alert-warning {
  background-color: var(--color-warning-light);
  border-color: var(--color-warning);
  color: var(--color-warning-dark);
}

.alert-error {
  background-color: var(--color-error-light);
  border-color: var(--color-error);
  color: var(--color-error-dark);
}

.alert-info {
  background-color: var(--color-info-light);
  border-color: var(--color-info);
  color: var(--color-info-dark);
}


/* =============================================================
   11. MODAL SYSTEM
   ============================================================= */

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--bg-overlay);
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background-color: var(--surface-overlay);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  width: 100%;
  max-width: 640px;
  max-height: 92vh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: var(--shadow-2xl);
  position: relative;
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-handle {
  width: 40px;
  height: 4px;
  background-color: var(--border-strong);
  border-radius: var(--radius-full);
  margin: var(--space-3) auto var(--space-2);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--border-light);
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: var(--transition-fast);
  background: none;
  border: none;
  font-size: 1.25rem;
}

.modal-close:hover {
  background-color: var(--surface-2);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

/* Desktop modal centered */
@media (min-width: 768px) {
  .modal-overlay {
    align-items: center;
    padding: var(--space-4);
  }

  .modal {
    border-radius: var(--radius-2xl);
    transform: scale(0.95) translateY(10px);
    max-height: 85vh;
  }

  .modal-overlay.active .modal {
    transform: scale(1) translateY(0);
  }

  .modal-handle {
    display: none;
  }
}


/* =============================================================
   12. TOAST NOTIFICATION SYSTEM
   ============================================================= */

.toast-container {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: calc(100% - var(--space-8));
  max-width: 420px;
  pointer-events: none;
}

@media (min-width: 768px) {
  .toast-container {
    bottom: var(--space-8);
    right: var(--space-8);
    left: auto;
    transform: none;
    width: 380px;
  }
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background-color: var(--surface-overlay);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-default);
  pointer-events: all;
  animation: toast-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

.toast.removing {
  animation: toast-out 0.2s ease forwards;
}

.toast::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.toast-success::before { background-color: var(--color-success); }
.toast-error::before   { background-color: var(--color-error); }
.toast-warning::before { background-color: var(--color-warning); }
.toast-info::before    { background-color: var(--color-primary); }

.toast-icon {
  font-size: 1.125rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: 2px;
}

.toast-message {
  color: var(--text-secondary);
  line-height: var(--line-height-snug);
}

.toast-close {
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  background: none;
  border: none;
  padding: 0;
  flex-shrink: 0;
  margin-top: 2px;
}

.toast-close:hover {
  color: var(--text-primary);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
  }
}


/* =============================================================
   13. LOADING STATES
   ============================================================= */

.loading-spinner {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2.5px solid var(--border-default);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

.spinner-white {
  border-color: rgba(255,255,255,0.3);
  border-top-color: white;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Full page loading */
.page-loading {
  position: fixed;
  inset: 0;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  z-index: var(--z-overlay);
}

.page-loading__logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.page-loading__text {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}


/* =============================================================
   14. SKELETON LOADERS
   ============================================================= */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--surface-2) 25%,
    var(--surface-3) 50%,
    var(--surface-2) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-wave 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-wave {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 14px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.skeleton-text-sm {
  height: 12px;
  width: 60%;
}

.skeleton-title {
  height: 20px;
  width: 70%;
  margin-bottom: var(--space-3);
}

.skeleton-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
}

.skeleton-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-color: var(--surface-1);
  border: 1px solid var(--border-default);
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
}

.skeleton-badge {
  height: 24px;
  width: 80px;
  border-radius: var(--radius-full);
}

.skeleton-btn {
  height: 48px;
  border-radius: var(--radius-lg);
}


/* =============================================================
   15. NAVIGATION BASE
   ============================================================= */

.navbar {
  position: sticky;
  top: 0;
  height: var(--navbar-height);
  background-color: var(--surface-1);
  border-bottom: 1px solid var(--border-default);
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 var(--space-4);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.navbar__logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  letter-spacing: var(--letter-spacing-tight);
}

.navbar__logo-badge {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  background-color: var(--color-accent);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  letter-spacing: var(--letter-spacing-wide);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Bottom navigation for mobile dashboards */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--surface-1);
  border-top: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  z-index: var(--z-sticky);
  padding-bottom: env(safe-area-inset-bottom);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
}

.bottom-nav__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: var(--space-2);
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  position: relative;
}

.bottom-nav__item:hover {
  color: var(--color-primary);
}

.bottom-nav__item.active {
  color: var(--color-primary);
}

.bottom-nav__icon {
  font-size: 1.25rem;
  line-height: 1;
}

.bottom-nav__badge {
  position: absolute;
  top: 4px;
  left: calc(50% + 4px);
  min-width: 16px;
  height: 16px;
  background-color: var(--color-error);
  color: white;
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* Sidebar for desktop */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  background-color: var(--surface-1);
  border-right: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  z-index: var(--z-sticky);
  overflow-y: auto;
  transition: var(--transition-base);
}

.sidebar__header {
  padding: var(--space-6) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}

.sidebar__nav {
  padding: var(--space-4) var(--space-3);
  flex: 1;
  overflow-y: auto;
}

.sidebar__section-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-tertiary);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  padding: var(--space-4) var(--space-3) var(--space-2);
}

.sidebar__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  margin-bottom: 2px;
}

.sidebar__item:hover {
  background-color: var(--surface-2);
  color: var(--text-primary);
}

.sidebar__item.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.sidebar__item-icon {
  font-size: 1.125rem;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}

.sidebar__item-badge {
  margin-left: auto;
  background-color: var(--color-error);
  color: white;
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}

.sidebar__footer {
  padding: var(--space-4) var(--space-3);
  border-top: 1px solid var(--border-light);
  flex-shrink: 0;
}


/* =============================================================
   16. EMPTY STATE COMPONENTS
   ============================================================= */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-16) var(--space-8);
  gap: var(--space-4);
}

.empty-state__illustration {
  font-size: 4rem;
  line-height: 1;
  margin-bottom: var(--space-2);
  opacity: 0.7;
}

.empty-state__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  line-height: var(--line-height-snug);
}

.empty-state__description {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 360px;
  margin-bottom: var(--space-2);
}

.empty-state__action {
  margin-top: var(--space-2);
}

.empty-state--sm {
  padding: var(--space-10) var(--space-6);
}

.empty-state--sm .empty-state__illustration {
  font-size: 2.5rem;
}

.empty-state--sm .empty-state__title {
  font-size: var(--font-size-lg);
}


/* =============================================================
   17. AVATAR SYSTEM
   ============================================================= */

.avatar {
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
  overflow: hidden;
}

.avatar-xs  { width: 24px;  height: 24px;  font-size: 10px; }
.avatar-sm  { width: 32px;  height: 32px;  font-size: 12px; }
.avatar-md  { width: 40px;  height: 40px;  font-size: 14px; }
.avatar-lg  { width: 48px;  height: 48px;  font-size: 16px; }
.avatar-xl  { width: 64px;  height: 64px;  font-size: 20px; }
.avatar-2xl { width: 80px;  height: 80px;  font-size: 24px; }
.avatar-3xl { width: 96px;  height: 96px;  font-size: 28px; }

.avatar-group {
  display: flex;
}

.avatar-group .avatar {
  border: 2px solid var(--surface-1);
  margin-left: -8px;
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}


/* =============================================================
   18. DIVIDERS
   ============================================================= */

.divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--border-default);
}


/* =============================================================
   19. TABLE STYLES
   ============================================================= */

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  background-color: var(--surface-1);
}

.table {
  width: 100%;
  font-size: var(--font-size-sm);
}

.table th {
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  text-align: left;
  background-color: var(--surface-2);
  border-bottom: 1px solid var(--border-default);
  white-space: nowrap;
}

.table td {
  padding: var(--space-4);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}

.table tr:last-child td {
  border-bottom: none;
}

.table tbody tr {
  transition: var(--transition-fast);
}

.table tbody tr:hover {
  background-color: var(--surface-2);
}

.table-cell-primary {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}


/* =============================================================
   20. STAT CARD COMPONENTS (additional)
   ============================================================= */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}


/* =============================================================
   21. PROGRESS COMPONENTS
   ============================================================= */

.progress-bar {
  width: 100%;
  height: 8px;
  background-color: var(--surface-3);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  transition: width 0.6s ease;
}

.progress-bar__fill--success { background-color: var(--color-success); }
.progress-bar__fill--warning { background-color: var(--color-warning); }
.progress-bar__fill--error   { background-color: var(--color-error); }
.progress-bar__fill--accent  { background-color: var(--color-accent); }

/* Checklist progress */
.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.checklist-item.completed {
  color: var(--color-success);
}

.checklist-item.completed .checklist-icon {
  background-color: var(--color-success);
  color: white;
}

.checklist-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  transition: var(--transition-base);
}


/* =============================================================
   22. STATUS INDICATORS
   ============================================================= */

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}

.status-dot--online   { background-color: var(--color-success); }
.status-dot--offline  { background-color: var(--color-gray-400); }
.status-dot--warning  { background-color: var(--color-warning); }
.status-dot--error    { background-color: var(--color-error); }

.status-dot--pulse {
  position: relative;
}

.status-dot--pulse::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background-color: inherit;
  opacity: 0.3;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50%       { transform: scale(1.8); opacity: 0; }
}


/* =============================================================
   23. RESPONSIVE UTILITIES
   ============================================================= */

/* Hide on mobile */
@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
}

/* Hide on tablet and above */
@media (min-width: 768px) {
  .hide-desktop { display: none !important; }
}

/* Show only on mobile */
.show-mobile {
  display: none;
}

@media (max-width: 767px) {
  .show-mobile {
    display: flex;
  }
}

/* Responsive text alignment */
@media (max-width: 767px) {
  .text-center-mobile { text-align: center; }
}

/* Responsive grid */
@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}


/* =============================================================
   24. ACCESSIBILITY
   ============================================================= */

/* Focus visible styles */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip to main content */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background-color: var(--color-primary);
  color: white;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  z-index: var(--z-tooltip);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--space-4);
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}


/* =============================================================
   25. ANIMATIONS
   ============================================================= */

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes bounceIn {
  0%   { opacity: 0; transform: scale(0.3); }
  50%  { opacity: 1; transform: scale(1.05); }
  70%  { transform: scale(0.9); }
  100% { transform: scale(1); }
}

@keyframes shimmer {
  0%   { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}

.animate-fadeIn       { animation: fadeIn 0.3s ease forwards; }
.animate-fadeInUp     { animation: fadeInUp 0.4s ease forwards; }
.animate-fadeInDown   { animation: fadeInDown 0.4s ease forwards; }
.animate-slideInRight { animation: slideInRight 0.3s ease forwards; }
.animate-scaleIn      { animation: scaleIn 0.3s ease forwards; }
.animate-bounceIn     { animation: bounceIn 0.5s ease forwards; }
.animate-float        { animation: float 3s ease-in-out infinite; }

/* Staggered animations */
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.10s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.20s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.30s; }


/* =============================================================
   26. SCROLLBAR STYLING
   ============================================================= */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--surface-2);
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}


/* =============================================================
   27. PRINT STYLES
   ============================================================= */

@media print {
  .no-print,
  .navbar,
  .sidebar,
  .bottom-nav,
  .toast-container,
  .modal-overlay {
    display: none !important;
  }

  body {
    background-color: white;
    color: black;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }

  a {
    text-decoration: underline;
    color: black;
  }
}


/* =============================================================
   THEME TOGGLE BUTTON
   ============================================================= */

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  background-color: var(--surface-2);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.theme-toggle:hover {
  background-color: var(--surface-3);
  color: var(--text-primary);
  border-color: var(--border-strong);
}


/* =============================================================
   NAIRA PRICE FORMATTING
   ============================================================= */

.price {
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.price-lg {
  font-size: var(--font-size-2xl);
}

.price-xl {
  font-size: var(--font-size-3xl);
}

.price-currency {
  font-size: 0.7em;
  font-weight: var(--font-weight-semibold);
  vertical-align: super;
  margin-right: 1px;
}

.price-original {
  text-decoration: line-through;
  color: var(--text-tertiary);
  font-weight: var(--font-weight-regular);
}

.price-margin {
  color: var(--color-success);
  font-weight: var(--font-weight-semibold);
}


/* =============================================================
   OFFLINE BANNER
   ============================================================= */

.offline-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-warning);
  color: var(--color-warning-dark);
  padding: var(--space-2) var(--space-4);
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  z-index: var(--z-toast);
  transform: translateY(-100%);
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.offline-banner.visible {
  transform: translateY(0);
}


/* =============================================================
   IMAGE SLOT COMPONENTS
   (For admin-managed landing page sections)
   ============================================================= */

.image-slot {
  position: relative;
  background-color: var(--surface-3);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-slot__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  text-align: center;
  padding: var(--space-6);
}

.image-slot__placeholder-icon {
  font-size: 2rem;
  opacity: 0.5;
}

.image-slot__edit-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-base);
  cursor: pointer;
}

.image-slot:hover .image-slot__edit-overlay {
  opacity: 1;
}

.image-slot__edit-btn {
  background-color: white;
  color: var(--text-primary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}


/* =============================================================
   VERIFICATION BADGE
   ============================================================= */

.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: var(--font-size-xs);
  color: var(--color-success-dark);
  background-color: var(--color-success-light);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
}

[data-theme="dark"] .verified-badge {
  color: var(--color-success);
  background-color: rgba(16,185,129,0.15);
}


/* =============================================================
   STEP INDICATOR
   ============================================================= */

.step-indicator {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  padding-bottom: var(--space-2);
}

.step {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.step__number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  background-color: var(--surface-3);
  color: var(--text-tertiary);
  border: 2px solid var(--border-default);
  transition: var(--transition-base);
  flex-shrink: 0;
}

.step__line {
  width: 40px;
  height: 2px;
  background-color: var(--border-default);
  transition: var(--transition-base);
}

.step.active .step__number {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
}

.step.completed .step__number {
  background-color: var(--color-success);
  color: white;
  border-color: var(--color-success);
}

.step.completed .step__line {
  background-color: var(--color-success);
}