/* ============================================
   THREE-W-ENERGY DESIGN SYSTEM
   Vanilla CSS - Migrated from Tailwind v4.1.17
   ============================================ */

/* =========================
   1. DESIGN TOKENS
   ========================= */
:root {
  /* Colors - OKLCH Format (preserved from Tailwind) */

  /* Primary Brand: Red */
  --color-red-50: oklch(97.1% 0.013 17.38);
  --color-red-100: oklch(93.6% 0.032 17.717);
  --color-red-200: oklch(88.5% 0.062 18.334);
  --color-red-300: oklch(80.8% 0.114 19.571);
  --color-red-400: oklch(70.4% 0.191 22.216);
  --color-red-500: oklch(63.7% 0.237 25.331);
  --color-red-600: oklch(57.7% 0.245 27.325);
  --color-red-700: oklch(50.5% 0.213 27.518);
  --color-red-800: oklch(44.4% 0.177 26.899);
  --color-red-900: oklch(39.6% 0.141 25.723);
  --color-red-950: oklch(25.8% 0.092 26.042);

  /* Neutrals: Slate */
  --color-slate-50: oklch(98.4% 0.003 247.858);
  --color-slate-100: oklch(96.8% 0.007 247.896);
  --color-slate-200: oklch(92.9% 0.013 255.508);
  --color-slate-300: oklch(86.9% 0.022 252.894);
  --color-slate-400: oklch(70.4% 0.04 256.788);
  --color-slate-500: oklch(55.4% 0.046 257.417);
  --color-slate-600: oklch(44.6% 0.043 257.281);
  --color-slate-700: oklch(37.2% 0.044 257.287);
  --color-slate-800: oklch(27.9% 0.041 260.031);
  --color-slate-900: oklch(20.8% 0.042 265.755);

  /* Neutrals: Gray */
  --color-gray-50: oklch(98.5% 0.002 247.839);
  --color-gray-100: oklch(96.7% 0.003 264.542);
  --color-gray-200: oklch(92.8% 0.006 264.531);
  --color-gray-300: oklch(87.2% 0.01 258.338);
  --color-gray-400: oklch(70.7% 0.022 261.325);
  --color-gray-500: oklch(55.1% 0.027 264.364);
  --color-gray-600: oklch(44.6% 0.03 256.802);
  --color-gray-700: oklch(37.3% 0.034 259.733);
  --color-gray-800: oklch(27.8% 0.033 256.848);

  /* Supporting: Amber */
  --color-amber-50: oklch(98.7% 0.022 95.277);
  --color-amber-100: oklch(96.2% 0.059 95.617);
  --color-amber-200: oklch(92.4% 0.12 95.746);
  --color-amber-300: oklch(87.9% 0.169 91.605);
  --color-amber-400: oklch(82.8% 0.189 84.429);
  --color-amber-500: oklch(76.9% 0.188 70.08);
  --color-amber-700: oklch(55.5% 0.163 48.998);
  --color-amber-800: oklch(47.3% 0.137 46.201);

  /* Supporting: Orange */
  --color-orange-500: #f97316;

  /* Supporting: Yellow */
  --color-yellow-100: oklch(97.3% 0.071 103.193);
  --color-yellow-700: oklch(55.4% 0.135 66.442);

  /* Supporting: Green */
  --color-green-50: oklch(98.2% 0.018 155.826);
  --color-green-100: oklch(96.2% 0.044 156.743);
  --color-green-500: oklch(72.3% 0.219 149.579);
  --color-green-600: oklch(62.7% 0.194 149.214);
  --color-green-700: oklch(52.7% 0.154 150.069);

  /* Supporting: Emerald */
  --color-emerald-100: oklch(95% 0.052 163.051);
  --color-emerald-500: oklch(69.6% 0.17 162.48);
  --color-emerald-600: oklch(59.6% 0.145 163.225);
  --color-emerald-700: oklch(50.8% 0.118 165.612);

  /* Supporting: Blue & Purple */
  --color-blue-100: oklch(93.2% 0.032 254.61);
  --color-blue-500: oklch(62.3% 0.247 263.83);
  --color-blue-600: oklch(54.6% 0.245 262.881);
  --color-blue-700: oklch(48.8% 0.218 264.376);
  --color-purple-600: oklch(55.8% 0.288 302.321);

  /* Base Colors */
  --color-white: #fff;
  --color-black: #000;

  /* Spacing (base unit: 0.25rem = 4px) */
  --space-0: 0;
  --space-0-5: 0.125rem;
  --space-1: 0.25rem;
  --space-1-5: 0.375rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-36: 9rem;
  --space-64: 16rem;
  --space-96: 24rem;

  /* Typography */
  --font-sans: ui-sans-serif, system-ui, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  --tracking-wide: 0.025em;

  /* Borders & Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

  /* Containers */
  --container-sm: 24rem;
  --container-md: 28rem;
  --container-xl: 36rem;
  --container-2xl: 42rem;
  --container-3xl: 48rem;
  --container-4xl: 56rem;
  --container-5xl: 64rem;
  --container-6xl: 72rem;
  --container-7xl: 80rem;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================
   2. CSS RESET (Minimal)
   ========================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: 0 solid;
}

html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

body {
  font-family: var(--font-mono);
  line-height: inherit;
}

hr {
  height: 0;
  color: inherit;
  border-top-width: 1px;
}

h1, h2, h3, h4, h5, h6 {
  font-size: inherit;
  font-weight: inherit;
}

a {
  color: inherit;
  text-decoration: inherit;
}

b, strong {
  font-weight: bolder;
}

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 1em;
}

small {
  font-size: 80%;
}

table {
  text-indent: 0;
  border-color: inherit;
  border-collapse: collapse;
}

button, input, select, optgroup, textarea {
  font: inherit;
  color: inherit;
  background-color: transparent;
}

button {
  cursor: pointer;
}

ol, ul, menu {
  list-style: none;
}

img, svg, video, canvas, audio, iframe, embed, object {
  display: block;
  vertical-align: middle;
}

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

[hidden] {
  display: none !important;
}

/* =========================
   3. BASE STYLES
   ========================= */
body {
  background-color: var(--color-white);
  min-height: 100vh;
}

/* Alpine.js cloak - hide elements until Alpine initializes */
[x-cloak] {
  display: none !important;
}

/* =========================
   4. LAYOUT COMPONENTS
   ========================= */

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: var(--color-white);
  border-bottom: 3px solid var(--color-red-900);
  padding-block: var(--space-4);
  margin-bottom: 0;
}

.header-container {
  max-width: var(--container-7xl);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--space-16);
}

.header-brand {
  /* Container for brand elements */
}

.header-brand:hover {
  border: 1px solid var(--color-gray-300);
}

.header-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-red-900);
}

.header-title--mobile {
  color: var(--color-slate-900);
}

.header-subtitle {
  font-size: var(--text-lg);
  color: var(--color-red-950);
}

/* Footer */
.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-gray-100);
  border-top: 3px solid var(--color-red-900);
  margin-top: auto;
}

.footer-container {
  max-width: var(--container-7xl);
  margin-inline: auto;
  padding-inline: var(--space-4);
  padding-block: var(--space-4);
}

.footer-text {
  text-align: center;
  font-size: var(--text-lg);
}

.footer-copyright {
  color: var(--color-red-950);
  font-weight: var(--font-medium);
}

.footer-tagline {
  color: var(--color-slate-900);
  font-style: italic;
}

.footer-version {
  font-size: var(--text-sm);
  color: var(--color-slate-700);
}

/* Main Content */
.main {
  flex: 1;
  margin-top: var(--space-16);
  overflow-y: auto;
}

/* Page Container */
.page-container {
  max-width: var(--container-7xl);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.page-container--sm { max-width: var(--container-sm); }
.page-container--md { max-width: var(--container-md); }
.page-container--xl { max-width: var(--container-xl); }
.page-container--2xl { max-width: var(--container-2xl); }
.page-container--3xl { max-width: var(--container-3xl); }
.page-container--4xl { max-width: var(--container-4xl); }
.page-container--5xl { max-width: var(--container-5xl); }
.page-container--6xl { max-width: var(--container-6xl); }

/* =========================
   5. NAVIGATION
   ========================= */
.nav-dropdown {
  position: relative;
}

.nav-toggle {
  padding: var(--space-2);
  color: var(--color-red-800);
  cursor: pointer;
}

.nav-toggle:hover {
  color: var(--color-red-900);
}

.nav-toggle:focus {
  outline: none;
}

.nav-toggle-icon {
  width: var(--space-10);
  height: var(--space-10);
}

.nav-menu {
  position: absolute;
  right: 0;
  margin-top: var(--space-1);
  width: var(--space-36);
  background-color: var(--color-red-700);
  color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  box-shadow: var(--shadow-lg);
  z-index: 50;
}

.nav-menu-item {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-weight: var(--font-medium);
}

.nav-menu-item:hover {
  background-color: var(--color-red-400);
}

/* =========================
   6. BUTTONS
   ========================= */
.btn {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.btn--primary {
  background-color: var(--color-red-900);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-red-700);
}

.btn--secondary {
  background-color: var(--color-slate-700);
  color: var(--color-white);
}

.btn--secondary:hover {
  background-color: var(--color-slate-600);
}

.btn--ghost {
  background-color: var(--color-slate-100);
  color: var(--color-slate-700);
  border: 1px solid var(--color-slate-300);
}

.btn--ghost:hover {
  background-color: var(--color-slate-200);
}

.btn--danger {
  background-color: var(--color-red-700);
  color: var(--color-white);
}

.btn--danger:hover {
  background-color: var(--color-red-800);
}

.btn--success {
  background-color: var(--color-emerald-600);
  color: var(--color-white);
}

.btn--success:hover {
  background-color: var(--color-emerald-700);
}

.btn--warning {
  background-color: var(--color-amber-500);
  color: var(--color-white);
}

.btn--warning:hover {
  background-color: var(--color-amber-700);
}

.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
}

.btn--lg {
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-lg);
}

.btn--rounded {
  border-radius: var(--radius-md);
}

.btn--rounded-lg {
  border-radius: var(--radius-lg);
}

.btn--full {
  width: 100%;
}

.btn--disabled,
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* =========================
   7. CARDS
   ========================= */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-fast);
}

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

.card--clickable {
  cursor: pointer;
}

.card--clickable:hover {
  border-color: var(--color-red-200);
}

.card-header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-slate-200);
}

.card-body {
  padding: var(--space-4);
}

.card-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-slate-200);
}

/* Card with status bar */
.card--with-status {
  position: relative;
  padding-left: var(--space-5);
}

.card-status-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 6px;
}

.card-status-bar--client { background-color: var(--color-emerald-600); }
.card-status-bar--lead { background-color: var(--color-amber-400); }
.card-status-bar--vendor { background-color: var(--color-blue-600); }
.card-status-bar--service { background-color: var(--color-purple-600); }
.card-status-bar--dealer { background-color: var(--color-red-700); }
.card-status-bar--default { background-color: var(--color-slate-500); }
.card-status-bar--open { background-color: var(--color-amber-500); }
.card-status-bar--won { background-color: var(--color-emerald-600); }
.card-status-bar--lost { background-color: var(--color-red-500); }

/* =========================
   8. BADGES
   ========================= */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-xl);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.badge--open,
.badge--pending {
  background-color: var(--color-amber-100);
  color: var(--color-amber-700);
}

.badge--won,
.badge--active,
.badge--success {
  background-color: var(--color-emerald-100);
  color: var(--color-green-700);
}

.badge--lost,
.badge--error,
.badge--suspended {
  background-color: var(--color-red-100);
  color: var(--color-red-700);
}

.badge--inactive {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.badge--on-leave {
  background-color: var(--color-yellow-100);
  color: var(--color-yellow-700);
}

.badge--neutral {
  background-color: var(--color-slate-100);
  color: var(--color-slate-500);
  border: 1px solid var(--color-slate-200);
}

.badge--info {
  background-color: var(--color-slate-100);
  color: var(--color-slate-700);
}

/* =========================
   9. FORMS
   ========================= */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-slate-700);
  margin-bottom: var(--space-1);
}

.form-label--required::after {
  content: " *";
  color: var(--color-red-600);
}

.form-input {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-300);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-red-700);
}

.form-input::placeholder {
  color: var(--color-slate-400);
}

.form-input--search {
  border-width: 2px;
  border-color: var(--color-red-700);
  box-shadow: var(--shadow-sm);
}

.form-input--search:focus {
  border-color: var(--color-red-900);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: var(--space-10);
}

.form-textarea {
  resize: vertical;
  min-height: 6rem;
}

.form-checkbox {
  margin-right: var(--space-2);
}

.form-hint {
  font-size: var(--text-sm);
  color: var(--color-slate-500);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-red-600);
  margin-top: var(--space-1);
}

/* Form grid */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6) var(--space-8);
}

/* =========================
   10. TABLES
   ========================= */
.table-container {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  overflow-x: auto;
}

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

.table-header {
  background-color: var(--color-slate-50);
  border-bottom: 2px solid var(--color-red-900);
}

.table-header th {
  padding: var(--space-4);
  text-align: left;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-slate-900);
}

.table-body tr {
  border-bottom: 1px solid var(--color-slate-200);
  transition: background-color var(--transition-fast);
}

.table-body tr:hover {
  background-color: var(--color-slate-50);
}

.table-body td {
  padding: var(--space-4);
  color: var(--color-slate-900);
}

.table-row--clickable {
  cursor: pointer;
}

/* =========================
   11. TABS
   ========================= */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--color-slate-200);
}

.tab {
  padding: var(--space-3) var(--space-4);
  font-weight: var(--font-medium);
  color: var(--color-slate-600);
  border-bottom: 4px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab:hover {
  color: var(--color-red-900);
  border-bottom-color: var(--color-red-300);
}

.tab--active {
  color: var(--color-red-900);
  border-bottom-color: var(--color-red-900);
}

/* =========================
   12. MODALS
   ========================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 40;
}

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal-content {
  background-color: var(--color-white);
  max-width: var(--container-5xl);
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
}

.modal-header {
  position: sticky;
  top: 0;
  background-color: var(--color-white);
  z-index: 10;
  padding: var(--space-4) var(--space-6);
  border-bottom: 2px solid var(--color-red-900);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-slate-200);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-4);
}

/* =========================
   13. CHATBOT
   ========================= */
.chatbot {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  z-index: 9999;
}

.chatbot-trigger {
  background-color: var(--color-red-800);
  color: var(--color-white);
  border-radius: var(--radius-full);
  padding: var(--space-4);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: background-color var(--transition-normal);
}

.chatbot-trigger:hover {
  background-color: var(--color-red-700);
}

.chatbot-window {
  position: absolute;
  bottom: var(--space-16);
  right: 0;
  width: var(--space-96);
  height: 32rem;
  background-color: var(--color-white);
  border: 2px solid var(--color-red-950);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
  display: flex;
  flex-direction: column;
}

.chatbot-header {
  background-color: var(--color-red-900);
  color: var(--color-white);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  background-color: var(--color-gray-50);
}

.chatbot-input-area {
  border-top: 1px solid var(--color-slate-500);
  padding: var(--space-4);
}

/* =========================
   14. UTILITY CLASSES
   ========================= */

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

/* Flexbox */
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }

/* 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)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

/* Gap */
.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-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Spacing - Margin */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-16 { margin-top: var(--space-16); }
.mt-auto { margin-top: auto; }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-16 { margin-bottom: var(--space-16); }

.ml-1 { margin-left: var(--space-1); }
.ml-2 { margin-left: var(--space-2); }
.ml-3 { margin-left: var(--space-3); }
.ml-4 { margin-left: var(--space-4); }

.mr-2 { margin-right: var(--space-2); }

.mx-auto { margin-inline: auto; }

/* Spacing - Padding */
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.px-2 { padding-inline: var(--space-2); }
.px-3 { padding-inline: var(--space-3); }
.px-4 { padding-inline: var(--space-4); }
.px-5 { padding-inline: var(--space-5); }
.px-6 { padding-inline: var(--space-6); }
.px-8 { padding-inline: var(--space-8); }

.py-1 { padding-block: var(--space-1); }
.py-2 { padding-block: var(--space-2); }
.py-3 { padding-block: var(--space-3); }
.py-4 { padding-block: var(--space-4); }
.py-8 { padding-block: var(--space-8); }
.py-12 { padding-block: var(--space-12); }
.py-16 { padding-block: var(--space-16); }

.pt-2 { padding-top: var(--space-2); }
.pt-3 { padding-top: var(--space-3); }
.pt-4 { padding-top: var(--space-4); }
.pt-5 { padding-top: var(--space-5); }
.pt-6 { padding-top: var(--space-6); }

.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pb-4 { padding-bottom: var(--space-4); }

.pl-5 { padding-left: var(--space-5); }
.pl-7 { padding-left: var(--space-7); }

/* Width & Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Text */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

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

.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.italic { font-style: italic; }

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

/* Colors - Text */
.text-white { color: var(--color-white); }
.text-slate-400 { color: var(--color-slate-400); }
.text-slate-500 { color: var(--color-slate-500); }
.text-slate-600 { color: var(--color-slate-600); }
.text-slate-700 { color: var(--color-slate-700); }
.text-slate-800 { color: var(--color-slate-800); }
.text-slate-900 { color: var(--color-slate-900); }
.text-gray-500 { color: var(--color-gray-500); }
.text-gray-600 { color: var(--color-gray-600); }
.text-gray-700 { color: var(--color-gray-700); }
.text-gray-800 { color: var(--color-gray-800); }
.text-red-600 { color: var(--color-red-600); }
.text-red-700 { color: var(--color-red-700); }
.text-red-800 { color: var(--color-red-800); }
.text-red-900 { color: var(--color-red-900); }
.text-red-950 { color: var(--color-red-950); }
.text-green-600 { color: var(--color-green-600); }
.text-green-700 { color: var(--color-green-700); }
.text-amber-700 { color: var(--color-amber-700); }
.text-amber-800 { color: var(--color-amber-800); }
.text-emerald-700 { color: var(--color-emerald-700); }
.text-yellow-700 { color: var(--color-yellow-700); }
.text-blue-700 { color: var(--color-blue-700); }

/* Colors - Background */
.bg-white { background-color: var(--color-white); }
.bg-slate-50 { background-color: var(--color-slate-50); }
.bg-slate-100 { background-color: var(--color-slate-100); }
.bg-slate-300 { background-color: var(--color-slate-300); }
.bg-slate-400 { background-color: var(--color-slate-400); }
.bg-slate-500 { background-color: var(--color-slate-500); }
.bg-slate-700 { background-color: var(--color-slate-700); }
.bg-slate-800 { background-color: var(--color-slate-800); }
.bg-gray-50 { background-color: var(--color-gray-50); }
.bg-gray-100 { background-color: var(--color-gray-100); }
.bg-red-50 { background-color: var(--color-red-50); }
.bg-red-100 { background-color: var(--color-red-100); }
.bg-red-300 { background-color: var(--color-red-300); }
.bg-red-500 { background-color: var(--color-red-500); }
.bg-red-700 { background-color: var(--color-red-700); }
.bg-red-800 { background-color: var(--color-red-800); }
.bg-red-900 { background-color: var(--color-red-900); }
.bg-amber-50 { background-color: var(--color-amber-50); }
.bg-amber-100 { background-color: var(--color-amber-100); }
.bg-amber-400 { background-color: var(--color-amber-400); }
.bg-amber-500 { background-color: var(--color-amber-500); }
.bg-orange-500 { background-color: var(--color-orange-500); }
.bg-green-50 { background-color: var(--color-green-50); }
.bg-green-100 { background-color: var(--color-green-100); }
.bg-green-700 { background-color: var(--color-green-700); }
.bg-emerald-100 { background-color: var(--color-emerald-100); }
.bg-emerald-500 { background-color: var(--color-emerald-500); }
.bg-emerald-600 { background-color: var(--color-emerald-600); }
.bg-emerald-700 { background-color: var(--color-emerald-700); }
.bg-yellow-100 { background-color: var(--color-yellow-100); }
.bg-blue-100 { background-color: var(--color-blue-100); }
.bg-blue-500 { background-color: var(--color-blue-500); }
.bg-blue-600 { background-color: var(--color-blue-600); }
.bg-blue-700 { background-color: var(--color-blue-700); }
.bg-purple-600 { background-color: var(--color-purple-600); }

/* Borders */
.border { border: 1px solid; }
.border-2 { border-width: 2px; }
.border-b { border-bottom: 1px solid; }
.border-b-2 { border-bottom-width: 2px; }
.border-b-3 { border-bottom-width: 3px; }
.border-b-4 { border-bottom-width: 4px; }
.border-t { border-top: 1px solid; }
.border-t-3 { border-top-width: 3px; }

.border-transparent { border-color: transparent; }
.border-slate-100 { border-color: var(--color-slate-100); }
.border-slate-200 { border-color: var(--color-slate-200); }
.border-slate-300 { border-color: var(--color-slate-300); }
.border-slate-400 { border-color: var(--color-slate-400); }
.border-slate-500 { border-color: var(--color-slate-500); }
.border-slate-800 { border-color: var(--color-slate-800); }
.border-gray-300 { border-color: var(--color-gray-300); }
.border-red-200 { border-color: var(--color-red-200); }
.border-red-400 { border-color: var(--color-red-400); }
.border-red-700 { border-color: var(--color-red-700); }
.border-red-800 { border-color: var(--color-red-800); }
.border-red-900 { border-color: var(--color-red-900); }
.border-red-950 { border-color: var(--color-red-950); }
.border-amber-200 { border-color: var(--color-amber-200); }
.border-amber-300 { border-color: var(--color-amber-300); }
.border-amber-400 { border-color: var(--color-amber-400); }

/* Border Radius */
.rounded { 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-full { border-radius: var(--radius-full); }
.rounded-t-lg {
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

/* Shadows */
.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-2xl { box-shadow: var(--shadow-2xl); }

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

.inset-0 { inset: 0; }
.inset-y-0 { top: 0; bottom: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.top-3 { top: var(--space-3); }
.right-4 { right: var(--space-4); }
.bottom-4 { bottom: var(--space-4); }
.left-3 { left: var(--space-3); }
.bottom-16 { bottom: var(--space-16); }
.top-20 { top: var(--space-20); }

.z-10 { z-index: 10; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

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

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Opacity */
.opacity-50 { opacity: 0.5; }

/* Transitions */
.transition { transition: all var(--transition-fast); }
.transition-colors {
  transition-property: color, background-color, border-color;
  transition-duration: 150ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}
.transition-shadow {
  transition-property: box-shadow;
  transition-duration: 150ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}
.transition-all {
  transition-property: all;
  transition-duration: 150ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hover States */
@media (hover: hover) {
  .hover\:bg-red-50:hover { background-color: var(--color-red-50); }
  .hover\:bg-red-200:hover { background-color: var(--color-red-200); }
  .hover\:bg-red-400:hover { background-color: var(--color-red-400); }
  .hover\:bg-red-700:hover { background-color: var(--color-red-700); }
  .hover\:bg-red-800:hover { background-color: var(--color-red-800); }
  .hover\:bg-slate-50:hover { background-color: var(--color-slate-50); }
  .hover\:bg-slate-200:hover { background-color: var(--color-slate-200); }
  .hover\:bg-slate-600:hover { background-color: var(--color-slate-600); }
  .hover\:bg-slate-700:hover { background-color: var(--color-slate-700); }
  .hover\:bg-gray-50:hover { background-color: var(--color-gray-50); }
  .hover\:bg-blue-600:hover { background-color: var(--color-blue-600); }
  .hover\:bg-emerald-600:hover { background-color: var(--color-emerald-600); }

  .hover\:text-red-900:hover { color: var(--color-red-900); }
  .hover\:text-slate-800:hover { color: var(--color-slate-800); }

  .hover\:border-red-200:hover { border-color: var(--color-red-200); }
  .hover\:border-red-300:hover { border-color: var(--color-red-300); }
  .hover\:border-b-4:hover { border-bottom-width: 4px; }

  .hover\:shadow-md:hover { box-shadow: var(--shadow-md); }
  .hover\:underline:hover { text-decoration: underline; }
}

/* Focus States */
.focus\:outline-none:focus { outline: none; }
.focus\:border-red-700:focus { border-color: var(--color-red-700); }
.focus\:border-red-900:focus { border-color: var(--color-red-900); }
.focus\:ring-1:focus { box-shadow: 0 0 0 1px var(--color-red-900); }
.focus\:ring-red-900:focus { box-shadow: 0 0 0 1px var(--color-red-900); }

/* Group hover */
.group:hover .group-hover\:text-red-900 { color: var(--color-red-900); }

/* Grid column spans */
.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-5 { grid-column: span 5 / span 5; }
.col-span-full { grid-column: 1 / -1; }

/* Space between children */
.space-y-2 > * + * { margin-top: var(--space-2); }
.space-y-3 > * + * { margin-top: var(--space-3); }
.space-y-4 > * + * { margin-top: var(--space-4); }
.space-y-5 > * + * { margin-top: var(--space-5); }
.space-y-6 > * + * { margin-top: var(--space-6); }
.space-y-10 > * + * { margin-top: var(--space-10); }
.space-x-4 > * + * { margin-left: var(--space-4); }

/* Dividers */
.divide-y > * + * { border-top: 1px solid; }
.divide-gray-200 > * + * { border-color: var(--color-gray-200); }
.divide-slate-100 > * + * { border-color: var(--color-slate-100); }

/* Sizing */
.w-2 { width: var(--space-2); }
.w-3 { width: var(--space-3); }
.w-4 { width: var(--space-4); }
.w-5 { width: var(--space-5); }
.w-6 { width: var(--space-6); }
.w-10 { width: var(--space-10); }
.w-16 { width: var(--space-16); }
.w-36 { width: var(--space-36); }
.w-96 { width: var(--space-96); }
.w-1\.5 { width: 0.375rem; }

.h-3 { height: var(--space-3); }
.h-4 { height: var(--space-4); }
.h-5 { height: var(--space-5); }
.h-6 { height: var(--space-6); }
.h-10 { height: var(--space-10); }
.h-16 { height: var(--space-16); }
.h-64 { height: var(--space-64); }

.max-w-sm { max-width: var(--container-sm); }
.max-w-md { max-width: var(--container-md); }
.max-w-xl { max-width: var(--container-xl); }
.max-w-2xl { max-width: var(--container-2xl); }
.max-w-3xl { max-width: var(--container-3xl); }
.max-w-4xl { max-width: var(--container-4xl); }
.max-w-5xl { max-width: var(--container-5xl); }
.max-w-6xl { max-width: var(--container-6xl); }
.max-w-7xl { max-width: var(--container-7xl); }

.min-w-full { min-width: 100%; }

/* Animation */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.animate-spin { animation: spin 1s linear infinite; }

/* =========================
   15. RESPONSIVE BREAKPOINTS
   ========================= */

/* Small screens (sm: 640px) */
@media (min-width: 40rem) {
  .sm\:block { display: block; }
  .sm\:hidden { display: none; }
  .sm\:flex { display: flex; }

  .sm\:px-4 { padding-inline: var(--space-4); }
  .sm\:px-6 { padding-inline: var(--space-6); }

  .sm\:text-sm { font-size: var(--text-sm); }

  .sm\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

  .sm\:col-span-2 { grid-column: span 2 / span 2; }
  .sm\:col-span-3 { grid-column: span 3 / span 3; }
  .sm\:col-span-6 { grid-column: span 6 / span 6; }

  .header-container,
  .footer-container,
  .page-container {
    padding-inline: var(--space-6);
  }

  .form-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

/* Medium screens (md: 768px) */
@media (min-width: 48rem) {
  .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)); }
}

/* Large screens (lg: 1024px) */
@media (min-width: 64rem) {
  .lg\:block { display: block; }
  .lg\:hidden { display: none; }

  .lg\:px-4 { padding-inline: var(--space-4); }
  .lg\:px-8 { padding-inline: var(--space-8); }

  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

  .lg\:col-span-3 { grid-column: span 3 / span 3; }
  .lg\:col-span-6 { grid-column: span 6 / span 6; }

  .header-container,
  .footer-container,
  .page-container {
    padding-inline: var(--space-8);
  }
}

/* =========================
   16. SPECIAL PATTERNS
   ========================= */

/* Custom grid layouts from templates */
.grid-cols-\[1fr_2fr\] { grid-template-columns: 1fr 2fr; }
.grid-cols-\[1fr_1fr_2fr_1fr\] { grid-template-columns: 1fr 1fr 2fr 1fr; }
.grid-cols-\[1fr_1fr_3fr\] { grid-template-columns: 1fr 1fr 3fr; }
.grid-cols-\[1fr_2fr_1fr\] { grid-template-columns: 1fr 2fr 1fr; }
.grid-cols-\[2fr_1fr_1fr_1fr_1fr\] { grid-template-columns: 2fr 1fr 1fr 1fr 1fr; }
.grid-cols-\[2fr_1fr_2fr\] { grid-template-columns: 2fr 1fr 2fr; }

/* Arbitrary values */
.max-w-\[80\%\] { max-width: 80%; }
.max-w-\[95\%\] { max-width: 95%; }
.max-h-\[50vh\] { max-height: 50vh; }
.max-h-\[90vh\] { max-height: 90vh; }
.min-h-\[calc\(100vh-10rem\)\] { min-height: calc(100vh - 10rem); }
.h-\[32rem\] { height: 32rem; }
.text-\[10px\] { font-size: 10px; }
.z-\[9999\] { z-index: 9999; }

/* Table layout */
.table-fixed { table-layout: fixed; }

/* =========================
   17. WIN95 BOXY CONTAINERS
   ========================= */

/* Win95 raised button/container - the classic 3D outset look */
.win95-raised {
  background: #c0c0c0;
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  box-shadow:
    inset -1px -1px 0 #404040,
    inset 1px 1px 0 #dfdfdf;
}

.win95-raised:hover {
  background: #d4d4d4;
  border-color: #ffffff #707070 #707070 #ffffff;
  box-shadow:
    inset -1px -1px 0 #505050,
    inset 1px 1px 0 #efefef,
    2px 2px 0 rgba(0,0,0,0.15);
}

.win95-raised:active,
.win95-raised.win95-pressed {
  background: #b0b0b0;
  border-color: #808080 #ffffff #ffffff #808080;
  box-shadow:
    inset 1px 1px 0 #404040,
    inset -1px -1px 0 #dfdfdf;
}

/* Win95 sunken/inset container - for input fields, panels */
.win95-sunken {
  background: #ffffff;
  border: 2px solid;
  border-color: #808080 #ffffff #ffffff #808080;
  box-shadow:
    inset 1px 1px 0 #404040,
    inset -1px -1px 0 #dfdfdf;
}

/* Win95 flat panel with groove effect */
.win95-groove {
  border: 2px groove #c0c0c0;
}

/* Win95 window-style container with title bar aesthetic */
.win95-window {
  background: #c0c0c0;
  border: 2px solid;
  border-color: #dfdfdf #404040 #404040 #dfdfdf;
  box-shadow:
    1px 1px 0 #808080,
    inset 1px 1px 0 #ffffff;
}

/* Win95 raised with light background - for use on white backgrounds */
.win95-raised-light {
  background: #e8e8e8;
  border: 2px solid;
  border-color: #f8f8f8 #909090 #909090 #f8f8f8;
  box-shadow:
    inset -1px -1px 0 #707070,
    inset 1px 1px 0 #f0f0f0;
}

.win95-raised-light:hover {
  background: #f0f0f0;
}

.win95-raised-light:active {
  background: #d8d8d8;
  border-color: #909090 #f8f8f8 #f8f8f8 #909090;
  box-shadow:
    inset 1px 1px 0 #707070,
    inset -1px -1px 0 #f0f0f0;
}

/* Win95 toolbar - sunken container to hold raised buttons */
.win95-toolbar {
  background: #c0c0c0;
  border: 2px solid;
  border-color: #808080 #e0e0e0 #808080 #e0e0e0;
  border-bottom: 3px solid var(--color-red-900);
  box-shadow:
    inset 1px 1px 0 #606060,
    inset -1px -1px 0 #e0e0e0;
  padding: var(--space-2);
}

/* Win95 tab button - for use inside toolbars */
.win95-tab {
  background: #d4d4d4;
  border: 2px solid;
  border-color: #f0f0f0 #808080 #808080 #f0f0f0;
  box-shadow:
    inset -1px -1px 0 #606060,
    inset 1px 1px 0 #e8e8e8;
  padding: var(--space-2) var(--space-4);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: none;
}

.win95-tab:hover {
  background: #e0e0e0;
}

.win95-tab:active,
.win95-tab.win95-tab--active {
  background: #c8c8c8;
  border-color: #808080 #f0f0f0 #f0f0f0 #808080;
  box-shadow:
    inset 1px 1px 0 #606060,
    inset -1px -1px 0 #e8e8e8;
}

/* =========================
   18. RETRO SCROLLBARS (Win95/98)
   ========================= */
.retro-scroll {
  overflow-y: auto;
  max-height: 50vh;
}

/* Webkit/Blink browsers only (Chrome, Safari, Edge) */
.retro-scroll::-webkit-scrollbar {
  width: 24px;
}

.retro-scroll::-webkit-scrollbar-track {
  background: #c0c0c0;
  border: 1px solid #808080;
  box-shadow: inset 1px 1px 0 #dfdfdf;
}

.retro-scroll::-webkit-scrollbar-thumb {
  background: #c0c0c0;
  border: 2px outset #dfdfdf;
  box-shadow:
    inset -1px -1px 0 #808080,
    inset 1px 1px 0 #ffffff;
}

.retro-scroll::-webkit-scrollbar-thumb:hover {
  background: #d4d4d4;
}

.retro-scroll::-webkit-scrollbar-button {
  background: #c0c0c0;
  border: 2px outset #dfdfdf;
  box-shadow:
    inset -1px -1px 0 #808080,
    inset 1px 1px 0 #ffffff;
  height: 24px;
  display: block;
}

/* Hide extra buttons - only one at each end */
.retro-scroll::-webkit-scrollbar-button:vertical:decrement:end,
.retro-scroll::-webkit-scrollbar-button:vertical:increment:start {
  display: none;
}

/* Up arrow button (top only) */
.retro-scroll::-webkit-scrollbar-button:vertical:decrement:start {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12'%3E%3Cpolygon points='6,2 11,9 1,9' fill='%23000'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* Down arrow button (bottom only) */
.retro-scroll::-webkit-scrollbar-button:vertical:increment:end {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12'%3E%3Cpolygon points='6,10 1,3 11,3' fill='%23000'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* Pressed state */
.retro-scroll::-webkit-scrollbar-button:single-button:active {
  border-style: inset;
  box-shadow:
    inset 1px 1px 0 #808080,
    inset -1px -1px 0 #ffffff;
}

/* =========================
   19. WIN95 BUTTON SYSTEM
   ========================= */

/* Base Win95 Button - inherits 3D outset look */
.win95-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
  user-select: none;
  transition: none;

  /* 3D raised effect */
  background: #c0c0c0;
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  box-shadow:
    inset -1px -1px 0 #404040,
    inset 1px 1px 0 #dfdfdf;
}

.win95-btn:hover {
  background: #d4d4d4;
}

/* Depressed state on click */
.win95-btn:active,
.win95-btn.win95-btn--pressed {
  background: #b0b0b0;
  border-color: #808080 #ffffff #ffffff #808080;
  box-shadow:
    inset 1px 1px 0 #404040,
    inset -1px -1px 0 #dfdfdf;
  padding: calc(var(--space-2) + 1px) calc(var(--space-4) - 1px) calc(var(--space-2) - 1px) calc(var(--space-4) + 1px);
}

/* Primary Button - Brand red */
.win95-btn--primary {
  background: var(--color-red-900);
  color: var(--color-white);
  border-color: #cc4444 #4a0000 #4a0000 #cc4444;
  box-shadow:
    inset -1px -1px 0 #2a0000,
    inset 1px 1px 0 #aa3333;
}

.win95-btn--primary:hover {
  background: var(--color-red-700);
}

.win95-btn--primary:active,
.win95-btn--primary.win95-btn--pressed {
  background: var(--color-red-950);
  border-color: #4a0000 #cc4444 #cc4444 #4a0000;
  box-shadow:
    inset 1px 1px 0 #2a0000,
    inset -1px -1px 0 #aa3333;
}

/* Secondary Button - Slate gray */
.win95-btn--secondary {
  background: #d0d0d0;
  color: var(--color-slate-800);
  border-color: #f0f0f0 #606060 #606060 #f0f0f0;
  box-shadow:
    inset -1px -1px 0 #505050,
    inset 1px 1px 0 #e8e8e8;
}

.win95-btn--secondary:hover {
  background: #e0e0e0;
}

.win95-btn--secondary:active,
.win95-btn--secondary.win95-btn--pressed {
  background: #b8b8b8;
  border-color: #606060 #f0f0f0 #f0f0f0 #606060;
  box-shadow:
    inset 1px 1px 0 #505050,
    inset -1px -1px 0 #e8e8e8;
}

/* Danger Button - For delete actions */
.win95-btn--danger {
  background: var(--color-red-700);
  color: var(--color-white);
  border-color: #ffffff #808080 #808080 #ffffff;
  box-shadow:
    inset -1px -1px 0 #404040,
    inset 1px 1px 0 #dfdfdf;
}

.win95-btn--danger:hover {
  background: var(--color-red-800);
  color: var(--color-white);
}

.win95-btn--danger:active {
  background: var(--color-red-900);
  border-color: #808080 #ffffff #ffffff #808080;
  box-shadow:
    inset 1px 1px 0 #404040,
    inset -1px -1px 0 #dfdfdf;
}

/* Success Button - For approve actions */
.win95-btn--success {
  background: var(--color-emerald-600);
  color: var(--color-white);
  border-color: #90eec0 #105030 #105030 #90eec0;
  box-shadow:
    inset -1px -1px 0 #083020,
    inset 1px 1px 0 #60cc90;
}

.win95-btn--success:hover {
  background: var(--color-emerald-500);
}

.win95-btn--success:active {
  background: var(--color-emerald-700);
  border-color: #105030 #90eec0 #90eec0 #105030;
  box-shadow:
    inset 1px 1px 0 #083020,
    inset -1px -1px 0 #60cc90;
}

/* Button Sizes */
.win95-btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.win95-btn--sm:active {
  padding: calc(var(--space-1) + 1px) calc(var(--space-3) - 1px) calc(var(--space-1) - 1px) calc(var(--space-3) + 1px);
}

.win95-btn--lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
}

.win95-btn--lg:active {
  padding: calc(var(--space-3) + 1px) calc(var(--space-6) - 1px) calc(var(--space-3) - 1px) calc(var(--space-6) + 1px);
}

/* Disabled state */
.win95-btn:disabled,
.win95-btn--disabled {
  background: #c0c0c0;
  color: #808080;
  text-shadow: 1px 1px 0 #ffffff;
  cursor: not-allowed;
  border-color: #dfdfdf #808080 #808080 #dfdfdf;
}

/* =========================
   20. WIN95 BACK LINK
   ========================= */

.win95-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  color: #000080;
  text-decoration: underline;
  cursor: pointer;
  background: transparent;
  border: none;
}

.win95-back:hover {
  color: var(--color-red-900);
}

.win95-back:active {
  color: var(--color-red-700);
}

.win95-back::before {
  content: "\2190";
  font-size: var(--text-base);
  text-decoration: none;
  display: inline-block;
}

/* Button-styled back */
.win95-back--btn {
  text-decoration: none;
  background: #c0c0c0;
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  box-shadow:
    inset -1px -1px 0 #404040,
    inset 1px 1px 0 #dfdfdf;
  color: var(--color-slate-800);
}

.win95-back--btn:hover {
  background: #d4d4d4;
  color: var(--color-slate-900);
}

.win95-back--btn:active {
  background: #b0b0b0;
  border-color: #808080 #ffffff #ffffff #808080;
  box-shadow:
    inset 1px 1px 0 #404040,
    inset -1px -1px 0 #dfdfdf;
}

/* =========================
   21. WIN95 CONTAINERS
   ========================= */

.win95-panel {
  background: #ffffff;
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  box-shadow:
    inset -1px -1px 0 #404040,
    inset 1px 1px 0 #dfdfdf;
  padding: var(--space-4);
}

.win95-panel--content {
  background: #c0c0c0;
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  box-shadow:
    inset -1px -1px 0 #404040,
    inset 1px 1px 0 #dfdfdf;
  padding: var(--space-1);
}

.win95-panel--content > .win95-panel__inner {
  background: var(--color-white);
  border: 2px solid;
  border-color: #808080 #ffffff #ffffff #808080;
  box-shadow: inset 1px 1px 0 #404040;
  padding: var(--space-4);
}

.win95-fieldset {
  background: #c0c0c0;
  border: 2px groove #c0c0c0;
  padding: var(--space-4);
  margin: var(--space-4) 0;
}

.win95-fieldset__legend {
  background: #c0c0c0;
  padding: 0 var(--space-2);
  font-weight: var(--font-semibold);
  color: var(--color-slate-800);
}

.win95-card {
  background: var(--color-white);
  border-top: 2px solid #a0a0a0;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.15);
}

.win95-card:hover {
  box-shadow: 3px 3px 0 rgba(0,0,0,0.2);
}

.win95-infobox {
  background: #d4d4d4;
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  padding: var(--space-3);
}

.win95-infobox--brand {
  border-bottom: 3px solid var(--color-red-900);
}

/* =========================
   22. WIN95 LOADING INDICATOR
   ========================= */

.win95-loading,
.htmx-request {
  cursor: wait !important;
}

.win95-hourglass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.win95-hourglass--css {
  position: relative;
  width: 20px;
  height: 28px;
}

.win95-hourglass--css::before,
.win95-hourglass--css::after {
  content: "";
  position: absolute;
  left: 0;
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
}

.win95-hourglass--css::before {
  top: 0;
  border-top: 14px solid #000000;
  animation: win95-sand-top 1.5s ease-in-out infinite;
}

.win95-hourglass--css::after {
  bottom: 0;
  border-bottom: 14px solid #000000;
  animation: win95-sand-bottom 1.5s ease-in-out infinite;
}

@keyframes win95-sand-top {
  0% { border-top-color: #000000; }
  50% { border-top-color: #808080; }
  100% { border-top-color: #000000; }
}

@keyframes win95-sand-bottom {
  0% { border-bottom-color: #808080; }
  50% { border-bottom-color: #000000; }
  100% { border-bottom-color: #808080; }
}

.win95-indicator {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: #c0c0c0;
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  font-size: var(--text-sm);
  color: var(--color-slate-700);
}

.htmx-request .win95-indicator,
.htmx-request.win95-indicator {
  display: inline-flex;
}

.win95-loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(192, 192, 192, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-4);
  z-index: 9999;
}

.win95-loading-overlay.active,
.htmx-request .win95-loading-overlay {
  display: flex;
}

.win95-loading-overlay__text {
  font-size: var(--text-base);
  color: var(--color-slate-800);
}

/* =========================
   23. WIN95 FORM INPUTS
   ========================= */

.win95-input {
  background: var(--color-white);
  border: 2px solid;
  border-color: #808080 #ffffff #ffffff #808080;
  box-shadow: inset 1px 1px 0 #404040;
  padding: var(--space-2) var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
}

.win95-input:focus {
  outline: none;
  border-color: #404040 #e0e0e0 #e0e0e0 #404040;
}

.win95-select {
  background: var(--color-white);
  border: 2px solid;
  border-color: #808080 #ffffff #ffffff #808080;
  box-shadow: inset 1px 1px 0 #404040;
  padding: var(--space-2) var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
  cursor: pointer;
}

.win95-textarea {
  background: var(--color-white);
  border: 2px solid;
  border-color: #808080 #ffffff #ffffff #808080;
  box-shadow: inset 1px 1px 0 #404040;
  padding: var(--space-2) var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
  resize: vertical;
}