/* ==========================================================================
   C-GEM Brand Book Custom Layout Stylesheet
   ========================================================================== */

@import "c-gem-design-system/project/colors_and_type.css";

:root {
  --sidebar-width: 280px;
  --header-height: 70px;
  --transition-smooth: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(14, 20, 16, 0.08);
}

.platform-skin {
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(0, 0, 0, 0.15);
}

/* Base resets & layout */
html {
  scroll-behavior: smooth;
}

body {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
  font-family: var(--font-body);
  background-color: var(--paper);
  color: var(--ink);
  transition: var(--transition-smooth);
}

/* Responsive sidebar */
@media (max-width: 960px) {
  body {
    grid-template-columns: 1fr;
  }
}

/* Sidebar navigation */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--line);
  background-color: var(--paper-tonal);
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
  z-index: 100;
  transition: var(--transition-smooth);
}

.platform-skin .sidebar {
  border-right: 1px solid var(--ink);
  background-color: var(--paper-mute);
}

@media (max-width: 960px) {
  .sidebar {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: var(--space-5);
  }
}

.sidebar-header {
  margin-bottom: var(--space-6);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.sidebar-brand img {
  height: 32px;
  width: auto;
}

.sidebar-brand .brand-name {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
}

.sidebar-brand .brand-version {
  font-family: var(--font-meta);
  font-size: 9px;
  background-color: var(--leaf-600);
  color: var(--paper);
  padding: 2px 6px;
  border-radius: var(--radius-pill);
}

.platform-skin .sidebar-brand .brand-version {
  background-color: var(--ink);
  border-radius: 0;
}

/* Navigation items */
.nav-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 14px;
  color: var(--ink-soft);
  font-size: var(--fs-small);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: var(--transition-smooth);
}

.platform-skin .nav-item a {
  border-radius: 0;
  font-family: var(--font-meta);
  font-size: 13px;
  text-transform: uppercase;
}

.nav-item a:hover {
  background-color: var(--paper-card);
  color: var(--leaf-600);
}

.platform-skin .nav-item a:hover {
  background-color: var(--ink);
  color: var(--accent-data);
}

.nav-item.active a {
  background-color: var(--leaf-050);
  color: var(--leaf-700);
  font-weight: 600;
}

.platform-skin .nav-item.active a {
  background-color: var(--ink);
  color: var(--accent-data);
  font-weight: 600;
  border-left: 3px solid var(--accent-data);
}

.nav-num {
  font-family: var(--font-meta);
  font-size: 10px;
  opacity: 0.7;
}

/* Skin Switcher Control */
.skin-switcher-box {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background-color: var(--paper-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.platform-skin .skin-switcher-box {
  border-radius: 0;
  border: 1px solid var(--ink);
}

.skin-switcher-title {
  font-family: var(--font-meta);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-eyebrow);
  display: block;
}

.skin-buttons {
  display: flex;
  gap: var(--space-2);
}

.btn-skin-toggle {
  flex: 1;
  padding: 8px var(--space-2);
  font-family: var(--font-meta);
  font-size: 10px;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-strong);
  background-color: var(--paper);
  color: var(--ink-soft);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.platform-skin .btn-skin-toggle {
  border-radius: 0;
  border: 1px solid var(--ink);
}

.btn-skin-toggle.active {
  background-color: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.platform-skin .btn-skin-toggle.active {
  background-color: var(--accent-data);
  color: var(--ink);
  border-color: var(--accent-data);
}

/* Main Content Area */
.main-content {
  padding: var(--space-8) var(--space-9);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .main-content {
    padding: var(--space-6) var(--space-4);
  }
}

/* Cover section */
.cover-section {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  margin-bottom: var(--space-10);
  border-bottom: 1px solid var(--line);
  padding-bottom: var(--space-8);
}

.cover-section::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: var(--space-6);
  width: 250px;
  height: 250px;
  background: url('c-gem-design-system/project/assets/logo-brushmark.png') no-repeat center / contain;
  opacity: 0.12;
  pointer-events: none;
}

.platform-skin .cover-section::after {
  opacity: 0.05;
}

.cover-title {
  font-size: var(--fs-mega);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
}

.cover-subtitle {
  font-family: var(--font-voice);
  font-size: var(--fs-h2);
  color: var(--leaf-700);
  margin-bottom: var(--space-6);
}

.platform-skin .cover-subtitle {
  font-family: var(--font-jetbrains-mono);
  font-style: normal;
  text-transform: uppercase;
  color: var(--ink);
}

/* Documentation Sections */
.doc-section {
  padding-top: var(--space-8);
  margin-bottom: var(--space-10);
  scroll-margin-top: 40px;
}

.doc-section h2 {
  font-size: var(--fs-h1);
  margin-bottom: var(--space-4);
  border-bottom: 2px solid var(--ink);
  padding-bottom: var(--space-2);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.platform-skin .doc-section h2 {
  border-bottom: 3px solid var(--accent-data);
}

.section-anchor-num {
  font-family: var(--font-meta);
  font-size: var(--fs-h4);
  color: var(--leaf-600);
}

.platform-skin .section-anchor-num {
  color: var(--ink-soft);
}

/* Cards layout & grids */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.grid-4col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

@media (max-width: 768px) {
  .grid-2col, .grid-3col, .grid-4col {
    grid-template-columns: 1fr;
  }
}

/* Swatch card */
.swatch-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--paper);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.platform-skin .swatch-card {
  border-radius: 0;
  border: 1px solid var(--ink);
}

.swatch-color {
  height: 100px;
  width: 100%;
  position: relative;
  transition: var(--transition-smooth);
}

.swatch-details {
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.swatch-name {
  font-weight: 600;
  font-size: var(--fs-small);
}

.swatch-hex {
  font-family: var(--font-meta);
  font-size: 11px;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.swatch-contrast {
  font-family: var(--font-meta);
  font-size: 9px;
  background-color: var(--paper-tonal);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  align-self: flex-start;
  margin-top: 4px;
}

.platform-skin .swatch-contrast {
  border-radius: 0;
  border: 1px solid var(--line-strong);
}

.btn-copy {
  border: none;
  background: none;
  cursor: pointer;
  padding: 2px;
  opacity: 0.5;
  transition: var(--transition-smooth);
}

.btn-copy:hover {
  opacity: 1;
}

/* Typography showcase */
.type-showcase-box {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background-color: var(--paper-mute);
  margin-bottom: var(--space-4);
  position: relative;
}

.platform-skin .type-showcase-box {
  border-radius: 0;
  border: 1px solid var(--ink);
}

.type-sandbox {
  border: 1px solid var(--line-strong);
  background-color: var(--paper);
  padding: var(--space-3);
  font-size: var(--fs-body);
  border-radius: var(--radius-md);
  margin-top: var(--space-3);
  outline: none;
}

.platform-skin .type-sandbox {
  border-radius: 0;
  border: 1.5px solid var(--ink);
}

/* Logo display cards */
.logo-display-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  position: relative;
  background-color: var(--paper);
}

.platform-skin .logo-display-card {
  border-radius: 0;
  border: 1px solid var(--ink);
}

.logo-display-card.bg-ink-surface {
  background-color: var(--ink);
}

.logo-display-card img {
  max-width: 80%;
  max-height: 100px;
  object-fit: contain;
}

.logo-meta {
  position: absolute;
  bottom: 8px;
  left: 12px;
  font-family: var(--font-meta);
  font-size: 9px;
  color: var(--ink-faint);
}

/* Guidelines checklists */
.do-dont-card {
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.platform-skin .do-dont-card {
  border-radius: 0;
}

.do-dont-card.do {
  border: 1px solid var(--leaf-600);
  background-color: var(--leaf-050);
}

.do-dont-card.dont {
  border: 1px solid var(--danger);
  background-color: rgba(193, 57, 46, 0.05);
}

.do-dont-title {
  font-weight: 700;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.do-dont-card.do .do-dont-title {
  color: var(--leaf-800);
}

.do-dont-card.dont .do-dont-title {
  color: var(--danger);
}

.do-dont-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.do-dont-list li {
  font-size: var(--fs-small);
  position: relative;
  padding-left: 20px;
  line-height: 1.4;
}

.do-dont-list li::before {
  position: absolute;
  left: 0;
  top: 2px;
  font-weight: bold;
}

.do-dont-card.do .do-dont-list li::before {
  content: "✓";
  color: var(--leaf-700);
}

.do-dont-card.dont .do-dont-list li::before {
  content: "✕";
  color: var(--danger);
}

/* Illustration display */
.illustration-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--paper);
  display: flex;
  flex-direction: column;
}

.platform-skin .illustration-card {
  border-radius: 0;
  border: 1px solid var(--ink);
}

.illustration-img-box {
  background-color: var(--paper-tonal);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  position: relative;
  overflow: hidden;
}

.illustration-img-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.illustration-details {
  padding: var(--space-4);
}

.illustration-title {
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.illustration-desc {
  font-size: var(--fs-micro);
  color: var(--ink-soft);
  line-height: 1.4;
}

/* Ambassador Coin breakdown details */
.ambassador-coin-hero {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: 45% 55%;
  margin-bottom: var(--space-6);
}

.platform-skin .ambassador-coin-hero {
  border-radius: 0;
  border: 1.5px solid var(--ink);
  grid-template-columns: 1fr; /* Stack in audit view */
}

@media (max-width: 900px) {
  .ambassador-coin-hero {
    grid-template-columns: 1fr;
  }
}

.coin-img-pane {
  background-color: var(--paper-tonal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.coin-img-pane img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.coin-details-pane {
  padding: var(--space-6);
  background-color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.coin-symbol-item {
  margin-bottom: var(--space-4);
}

.coin-symbol-item h4 {
  color: var(--leaf-700);
  margin-bottom: 4px;
}

.platform-skin .coin-symbol-item h4 {
  color: var(--ink);
}

.coin-symbol-item p {
  font-size: var(--fs-small);
  margin: 0;
}

/* Interactive Skin Switcher Demo Panels */
.switcher-demo-container {
  border: 1.5px dashed var(--line-strong);
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background-color: var(--paper-tonal);
  position: relative;
  margin-top: var(--space-4);
}

.platform-skin .switcher-demo-container {
  border-radius: 0;
  border: 1.5px dashed var(--ink);
}

.switcher-demo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.switcher-demo-skin-label {
  font-family: var(--font-meta);
  font-size: 10px;
  background-color: var(--leaf-600);
  color: var(--paper);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.platform-skin .switcher-demo-skin-label {
  background-color: var(--accent-data);
  color: var(--ink);
  border-radius: 0;
}

.demo-inner-panel {
  padding: var(--space-6);
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
}

.platform-skin .demo-inner-panel {
  border-radius: 0;
  border: 1px solid var(--ink);
  background-color: #000;
  color: #fff;
}

/* Ensure all child text inside the dark demo panel is readable */
.platform-skin .demo-inner-panel h1,
.platform-skin .demo-inner-panel h2,
.platform-skin .demo-inner-panel h3,
.platform-skin .demo-inner-panel h4 {
  color: #fff;
}

.platform-skin .demo-inner-panel p {
  color: rgba(255, 255, 255, 0.7);
}

.platform-skin .demo-inner-panel .eyebrow {
  color: var(--lime);
}

.platform-skin .demo-inner-panel .voice {
  color: var(--lime);
  font-family: var(--font-jetbrains-mono);
  font-style: normal;
}

.platform-skin .demo-inner-panel .btn--secondary {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

.platform-skin .demo-inner-panel .btn--secondary:hover {
  background: #fff;
  color: #000;
}

.platform-skin .demo-inner-panel .btn--leaf {
  background: var(--lime);
  color: #000;
}

/* Toast Copy notification */
#toast {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  background-color: var(--ink);
  color: var(--paper);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-meta);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  z-index: 9999;
  border: 1px solid var(--line-strong);
}

.platform-skin #toast {
  border-radius: 0;
  background-color: var(--accent-data);
  color: #000;
  border: 1px solid var(--ink);
}

#toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Applied Brand Details Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-4);
  font-size: var(--fs-small);
}

.data-table th, .data-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.platform-skin .data-table th, .platform-skin .data-table td {
  border-bottom: 1px solid var(--ink);
  font-family: var(--font-meta);
}

.data-table th {
  font-weight: bold;
  background-color: var(--paper-tonal);
}

.platform-skin .data-table th {
  background-color: var(--ink);
  color: var(--paper);
}

.project-id-badge {
  background-color: var(--paper-card);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-meta);
  font-size: 11px;
}

.platform-skin .project-id-badge {
  border-radius: 0;
  background-color: #333;
  color: #fff;
}