/* ===================================================================
   CTEX SaaS Design System
   Enterprise-grade dashboard UI
   =================================================================== */

/* --- Google Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* --- Design Tokens --- */
:root {
  /* Primary palette — Indigo */
  --primary-50:  #eef2ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-400: #818cf8;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;

  /* Neutral — Slate */
  --slate-50:  #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #020617;

  /* Semantic */
  --success-light: #ecfdf5;
  --success:       #10b981;
  --success-dark:  #059669;
  --error-light:   #fef2f2;
  --error:         #ef4444;
  --error-dark:    #dc2626;
  --warning-light: #fffbeb;
  --warning:       #f59e0b;
  --warning-dark:  #d97706;
  --info-light:    #eff6ff;
  --info:          #3b82f6;

  /* Layout */
  --sidebar-width: 260px;
  --header-height: 64px;

  /* Shadows */
  --shadow-xs:  0 1px 2px rgba(0,0,0,.05);
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -2px rgba(0,0,0,.04);
  --shadow-lg:  0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);
  --shadow-xl:  0 20px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Transitions */
  --ease: cubic-bezier(.4,0,.2,1);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--slate-800);
  background: var(--slate-100);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; color: var(--slate-900); }
p { margin: 0; }
a { color: var(--primary-600); text-decoration: none; transition: color .15s var(--ease); }
a:hover { color: var(--primary-700); }

/* ===================================================================
   LAYOUT — Sidebar + Content
   =================================================================== */

.app-layout {
  display: flex;
  min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--slate-900);
  color: #fff;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform .3s var(--ease);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-brand h2 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.01em;
}

.sidebar-brand small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--slate-400);
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.nav-section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--slate-500);
  padding: 16px 12px 6px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  color: var(--slate-300);
  font-size: 13.5px;
  font-weight: 500;
  transition: all .15s var(--ease);
  cursor: pointer;
  text-decoration: none;
}

.nav-link:hover {
  background: rgba(255,255,255,.06);
  color: #fff;
}

.nav-link.active {
  background: rgba(99,102,241,.2);
  color: #fff;
}

.nav-link svg,
.nav-link .nav-icon {
  width: 18px;
  height: 18px;
  opacity: .7;
  flex-shrink: 0;
}

.nav-link.active svg,
.nav-link.active .nav-icon {
  opacity: 1;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 12px;
  color: var(--slate-500);
}

/* --- Header status --- */
.header-user-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--slate-100);
  color: var(--slate-700);
  font-size: 12px;
  font-weight: 600;
}

.header-user-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(16,185,129,.12);
}

.header-logout-form {
  margin: 0;
}

/* --- Main Content Area --- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

.content-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background: rgba(248,250,252,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}

.header-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-title h1 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.header-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--primary-50);
  color: var(--primary-600);
  border: 1px solid var(--primary-200);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.content-body {
  padding: 28px 32px 48px;
  max-width: 1200px;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(255,255,255,.95), rgba(248,250,252,.9));
  border: 1px solid rgba(226,232,240,.9);
}

.hero-panel-content {
  position: relative;
  z-index: 1;
  padding: 28px 28px 30px;
}

.hero-eyebrow {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(99,102,241,.08);
  color: var(--primary-600);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero-panel h2 {
  font-size: 28px;
  letter-spacing: -.03em;
  margin-bottom: 8px;
}

.hero-panel p {
  max-width: 640px;
  color: var(--slate-500);
  font-size: 14px;
}

.hero-panel-glow {
  position: absolute;
  inset: auto -80px -90px auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,.18), rgba(99,102,241,0) 70%);
  pointer-events: none;
}

/* Login page */
.login-body {
  background:
    radial-gradient(circle at top, rgba(99,102,241,.15), transparent 40%),
    linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(440px, 100%);
  padding: 34px;
  border-radius: 28px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(255,255,255,.55);
  box-shadow: 0 24px 80px rgba(15,23,42,.12);
  backdrop-filter: blur(18px);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.login-brand-mark {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--slate-900), var(--primary-600));
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}

.login-brand-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.03em;
}

.login-brand-subtitle {
  font-size: 13px;
  color: var(--slate-500);
  margin-top: 2px;
}

.login-copy h1 {
  font-size: 30px;
  letter-spacing: -.04em;
}

.login-copy p {
  margin-top: 8px;
  color: var(--slate-500);
}

.login-error {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--error-light);
  color: var(--error-dark);
  font-size: 13px;
}

.login-form {
  margin-top: 22px;
  display: grid;
  gap: 16px;
}

.login-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-700);
}

.login-field input {
  border-radius: 16px;
  padding: 14px 16px;
  background: rgba(255,255,255,.92);
}

.login-submit {
  width: 100%;
  margin-top: 8px;
  padding: 14px 18px;
  border-radius: 16px;
}

/* ===================================================================
   CARDS / PANELS
   =================================================================== */

.card {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: box-shadow .2s var(--ease);
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--slate-100);
}

.card-header h2 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.card-header p,
.card-subtitle {
  font-size: 13px;
  color: var(--slate-500);
  margin-top: 2px;
}

.card-body {
  padding: 24px;
}

.card + .card {
  margin-top: 20px;
}

/* ===================================================================
   FORMS
   =================================================================== */

.form-grid {
  display: grid;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-700);
}

.form-hint {
  font-size: 12px;
  color: var(--slate-400);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--slate-800);
  font: inherit;
  font-size: 14px;
  transition: all .15s var(--ease);
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}

input::placeholder,
textarea::placeholder {
  color: var(--slate-400);
}

/* File upload area */
.file-upload-zone {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 20px;
  border: 2px dashed var(--slate-300);
  border-radius: var(--radius-lg);
  background: var(--slate-50);
  cursor: pointer;
  transition: all .2s var(--ease);
  text-align: center;
  gap: 8px;
}

.file-upload-zone:hover {
  border-color: var(--primary-400);
  background: var(--primary-50);
}

.file-upload-zone svg {
  width: 32px;
  height: 32px;
  color: var(--slate-400);
}

.file-upload-zone:hover svg {
  color: var(--primary-500);
}

.file-upload-zone .upload-text {
  font-size: 13px;
  color: var(--slate-500);
}

.file-upload-zone .upload-text strong {
  color: var(--primary-600);
}

.file-upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* Info box (auto number id) */
.info-box {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
}

.info-box svg {
  width: 18px;
  height: 18px;
  color: var(--primary-500);
  flex-shrink: 0;
  margin-top: 1px;
}

.info-box-content {
  flex: 1;
  min-width: 0;
}

.info-box-content .info-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-700);
}

.info-box-content .info-value {
  font-size: 13px;
  color: var(--slate-600);
  word-break: break-all;
  margin-top: 2px;
}

/* Toggle / Switch */
.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle-switch {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--slate-300);
  cursor: pointer;
  transition: background .2s var(--ease);
}

.toggle-slider::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-xs);
  transition: transform .2s var(--ease);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--primary-500);
}

.toggle-switch input:checked + .toggle-slider::after {
  transform: translateX(18px);
}

.toggle-label {
  font-size: 13px;
  color: var(--slate-600);
}

/* ===================================================================
   BUTTONS
   =================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all .15s var(--ease);
  outline: none;
  white-space: nowrap;
}

.btn:active { transform: scale(.98); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  color: #fff;
  box-shadow: 0 1px 3px rgba(99,102,241,.3);
}

.btn-primary:hover {
  box-shadow: 0 4px 12px rgba(99,102,241,.35);
  filter: brightness(1.05);
}

.btn-secondary {
  background: #fff;
  color: var(--slate-700);
  border: 1px solid var(--slate-300);
}

.btn-secondary:hover {
  background: var(--slate-50);
  border-color: var(--slate-400);
}

.btn-ghost {
  background: transparent;
  color: var(--primary-600);
  padding: 8px 14px;
}

.btn-ghost:hover {
  background: var(--primary-50);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 13px;
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* ===================================================================
   STATUS BADGES / CHIPS
   =================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
}

.badge-idle {
  background: var(--slate-100);
  color: var(--slate-500);
}

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

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

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

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

/* Dot indicator */
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

/* Pulsing dot for loading */
.badge-loading .badge-dot {
  animation: pulse-dot 1.5s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(.7); }
}

/* Legacy .chip mapping */
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--slate-100); color: var(--slate-500); }
.chip[data-mode="success"] { background: var(--success-light); color: var(--success-dark); }
.chip[data-mode="error"]   { background: var(--error-light);   color: var(--error-dark); }
.chip[data-mode="loading"] { background: var(--warning-light); color: var(--warning-dark); }

/* ===================================================================
   RESULT BOX
   =================================================================== */

pre, .code-block {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--slate-900);
  color: #e2e8f0;
  overflow: auto;
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 12.5px;
  line-height: 1.7;
  margin: 0;
  border: 1px solid var(--slate-800);
}

/* ===================================================================
   TABS — Underline Style
   =================================================================== */

.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--slate-200);
  margin-bottom: 20px;
}

.tab {
  appearance: none;
  border: none;
  background: none;
  padding: 10px 20px;
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--slate-500);
  cursor: pointer;
  position: relative;
  transition: color .15s var(--ease);
}

.tab::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  border-radius: 1px;
  transition: background .15s var(--ease);
}

.tab:hover {
  color: var(--slate-700);
}

.tab.active {
  color: var(--primary-600);
}

.tab.active::after {
  background: var(--primary-500);
}

/* ===================================================================
   DATA TABLE — History
   =================================================================== */

.data-table-wrap {
  overflow-x: auto;
}

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

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  border-bottom: 1px solid var(--slate-100);
}

.data-table th {
  font-weight: 600;
  font-size: 12px;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: .04em;
  background: var(--slate-50);
  white-space: nowrap;
}

.data-table th:first-child { border-radius: var(--radius-md) 0 0 0; }
.data-table th:last-child  { border-radius: 0 var(--radius-md) 0 0; }

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

.data-table tr:hover td {
  background: var(--slate-50);
}

.data-table td {
  color: var(--slate-700);
}

.td-hash {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--slate-500);
}

.td-filename {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

.td-actions a {
  font-weight: 600;
  font-size: 13px;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--slate-400);
  font-size: 14px;
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
  color: var(--slate-300);
}

/* ===================================================================
   VERIFY PANEL
   =================================================================== */

.verify-form {
  display: grid;
  gap: 20px;
}

.verify-result {
  margin-top: 24px;
}

.verify-result h3 {
  margin: 0;
  font-size: 15px;
}

/* ===================================================================
   CERTIFICATE GRID — Field Cards
   =================================================================== */

.certificate-grid, .verify-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  transition: background .15s var(--ease);
}

.field:hover {
  background: var(--slate-100);
}

.field span {
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--slate-500);
}

.field strong {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--slate-800);
  word-break: break-all;
  line-height: 1.5;
}

.field-wide {
  grid-column: 1 / -1;
}

/* ===================================================================
   RAW TOGGLE — details/summary
   =================================================================== */

.raw-toggle {
  margin-top: 16px;
}

.raw-toggle summary {
  cursor: pointer;
  color: var(--primary-600);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 0;
  transition: color .15s var(--ease);
}

.raw-toggle summary:hover {
  color: var(--primary-700);
}

.raw-toggle pre {
  margin-top: 8px;
  font-size: 12px;
}

/* ===================================================================
   EXTERNAL LINK
   =================================================================== */

.verify-external {
  margin-top: 20px;
  font-size: 13px;
  color: var(--slate-500);
  padding-top: 16px;
  border-top: 1px solid var(--slate-200);
}

.verify-external a {
  color: var(--primary-600);
  font-weight: 600;
}

.verify-external a:hover {
  text-decoration: underline;
}

/* ===================================================================
   CERTIFICATE PAGE
   =================================================================== */

.certificate-body {
  background: var(--slate-100);
}

.certificate-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 24px 60px;
}

.cert-header {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.cert-logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  flex-shrink: 0;
}

.cert-header-content h1 {
  font-size: 22px;
  letter-spacing: -.02em;
}

.cert-header-content p {
  font-size: 14px;
  color: var(--slate-500);
  margin-top: 6px;
  line-height: 1.5;
}

.cert-header-content .cert-eyebrow {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--primary-600);
  margin-bottom: 6px;
}

.cert-grid-wrap {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

/* ===================================================================
   SECTION SPACING UTILITIES
   =================================================================== */

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-gap {
  margin-top: 20px;
}

/* ===================================================================
   MOBILE SIDEBAR TOGGLE
   =================================================================== */

.sidebar-toggle {
  display: none;
  appearance: none;
  border: none;
  background: none;
  padding: 8px;
  cursor: pointer;
  color: var(--slate-600);
}

.sidebar-toggle svg {
  width: 24px;
  height: 24px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 90;
}

/* ===================================================================
   DASHBOARD STATS
   =================================================================== */

.dashboard-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow .2s var(--ease);
}

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

.stat-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--slate-500);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.2;
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.active {
    display: block;
  }

  .sidebar-toggle {
    display: block;
  }

  .main-content {
    margin-left: 0;
  }

  .content-body {
    padding: 20px 16px 40px;
  }

  .content-header {
    padding: 0 16px;
  }

  .certificate-grid,
  .verify-grid {
    grid-template-columns: 1fr;
  }

  .cert-header {
    flex-direction: column;
    padding: 24px;
  }

  .card-body {
    padding: 16px;
  }

  .card-header {
    padding: 16px;
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .data-table th,
  .data-table td {
    padding: 10px 12px;
    font-size: 12px;
  }
}

/* ===================================================================
   ANIMATIONS
   =================================================================== */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card {
  animation: fadeInUp .35s var(--ease) both;
}

.card:nth-child(2) { animation-delay: .05s; }
.card:nth-child(3) { animation-delay: .1s; }
.card:nth-child(4) { animation-delay: .15s; }

/* Skeleton loading for future use */
@keyframes shimmer {
  0%   { background-position: -200px 0; }
  100% { background-position: 200px 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--slate-200) 25%, var(--slate-100) 50%, var(--slate-200) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.5s infinite linear;
  border-radius: var(--radius-sm);
}

/* ===================================================================
   SIDEBAR LOGO UPLOAD
   =================================================================== */

.sidebar-logo-wrap {
  position: relative;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  cursor: pointer;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.sidebar-logo-wrap:hover .logo-upload-hint {
  opacity: 1;
}

.sidebar-logo-img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  object-fit: cover;
  display: block;
}

.logo-upload-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.55);
  opacity: 0;
  transition: opacity .2s var(--ease);
  color: #fff;
}

/* ===================================================================
   CYBER STAT CARDS — Dashboard Overview
   =================================================================== */

.cyber-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.cyber-stat-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: box-shadow .25s var(--ease), transform .2s var(--ease);
}

.cyber-stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.cyber-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.cyber-stat-total::before  { background: linear-gradient(90deg, var(--primary-500), var(--primary-400)); }
.cyber-stat-success::before { background: linear-gradient(90deg, #10b981, #34d399); }
.cyber-stat-processing::before { background: linear-gradient(90deg, #818cf8, #a5b4fc); }
.cyber-stat-failed::before { background: linear-gradient(90deg, #ef4444, #f87171); }

.cyber-stat-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cyber-stat-icon svg {
  width: 22px;
  height: 22px;
}

.cyber-stat-total .cyber-stat-icon    { background: var(--primary-50); color: var(--primary-600); }
.cyber-stat-success .cyber-stat-icon  { background: var(--success-light); color: var(--success-dark); }
.cyber-stat-processing .cyber-stat-icon { background: var(--info-light); color: var(--primary-500); }
.cyber-stat-failed .cyber-stat-icon   { background: var(--error-light); color: var(--error-dark); }

.cyber-stat-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.cyber-stat-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.cyber-stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.2;
  margin: 2px 0;
  letter-spacing: -.02em;
}

.cyber-stat-sub {
  font-size: 11px;
  color: var(--slate-400);
  font-weight: 500;
}

/* ===================================================================
   CHAIN INFO BAR — Network status strip
   =================================================================== */

.chain-info-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 20px;
  background: var(--slate-900);
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.chain-info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}

.chain-info-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.chain-info-value {
  font-size: 13px;
  font-weight: 700;
  color: #e2e8f0;
}

.chain-info-value.mono {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--primary-400);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chain-info-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.chain-dot-live {
  background: #34d399;
  box-shadow: 0 0 6px rgba(52,211,153,.6);
  animation: pulse-dot 2s infinite ease-in-out;
}

.chain-info-hash {
  margin-left: auto;
}

/* ===================================================================
   CHART ROW
   =================================================================== */

.chart-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.chart-card {
  overflow: hidden;
}

.chart-card .card-body {
  min-height: 280px;
}

/* ===================================================================
   METRIC ROW — Ring progress cards
   =================================================================== */

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.metric-card {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-xs);
  transition: box-shadow .2s var(--ease);
}

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

.metric-ring {
  position: relative;
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.metric-ring svg {
  width: 56px;
  height: 56px;
  transform: rotate(-90deg);
}

.metric-ring-bg {
  fill: none;
  stroke: var(--slate-200);
  stroke-width: 3;
}

.metric-ring-fg {
  fill: none;
  stroke: var(--primary-500);
  stroke-width: 3;
  stroke-linecap: round;
  transition: stroke-dasharray .6s var(--ease);
}

.metric-ring > span {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--slate-700);
}

.metric-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.metric-text strong {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--slate-800);
}

.metric-text small {
  font-size: 12px;
  color: var(--slate-500);
}

/* ===================================================================
   LATEST HASH BAR
   =================================================================== */

.latest-hash-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--slate-600);
  overflow: hidden;
}

.latest-hash-bar svg {
  color: var(--primary-500);
  flex-shrink: 0;
}

.latest-hash-bar code {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 12px;
  color: var(--primary-600);
  background: var(--primary-50);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 400px;
}

/* ===================================================================
   RESPONSIVE — New Dashboard Components
   =================================================================== */

@media (max-width: 1024px) {
  .cyber-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .chart-row {
    grid-template-columns: 1fr;
  }
  .metric-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .cyber-stats-grid {
    grid-template-columns: 1fr;
  }
  .chain-info-bar {
    gap: 16px;
    padding: 10px 14px;
  }
  .chain-info-hash {
    margin-left: 0;
  }
  .latest-hash-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .latest-hash-bar code {
    max-width: 100%;
  }
}

/* ===================================================================
   EVIDENCE FORM — COPYRIGHT SECTION
   =================================================================== */

.form-section-divider {
  margin-top: 20px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--slate-100);
}

.form-section-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-600);
  letter-spacing: 0.02em;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-grid-2 .form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-grid-2 label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--slate-600);
}

.form-grid-2 label .required {
  color: var(--error-600);
}

.form-grid-2 input,
.form-grid-2 select,
.form-grid-2 textarea {
  padding: 8px 12px;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--slate-700);
  background: var(--white);
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}

.form-grid-2 input:focus,
.form-grid-2 select:focus,
.form-grid-2 textarea:focus {
  outline: none;
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-grid-2 input[readonly] {
  background: var(--slate-50);
  color: var(--slate-500);
  cursor: default;
}

.checkbox-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.checkbox-group-wrap {
  gap: 8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--slate-600);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--primary-600);
}

.btn-link {
  background: none;
  border: none;
  color: var(--primary-600);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  margin-left: 8px;
  text-decoration: underline;
  transition: color .15s var(--ease);
}

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

.required {
  color: var(--error-600);
}

/* ===================================================================
   CERTIFICATE STYLE — ASSET MANAGEMENT
   =================================================================== */

.cert-asset-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}

.cert-asset-info {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  flex: 1;
}

.cert-asset-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--slate-50);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary-600);
}

.cert-asset-info strong {
  font-size: 14px;
  color: var(--slate-800);
}

.cert-asset-info .text-muted {
  font-size: 12px;
  color: var(--slate-500);
  margin-top: 2px;
}

.cert-asset-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.cert-asset-preview {
  width: 80px;
  height: 60px;
  border: 1px dashed var(--slate-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--slate-50);
}

.cert-asset-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.cert-asset-preview .placeholder-text {
  font-size: 11px;
  color: var(--slate-400);
}

.cert-asset-btns {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.asset-divider {
  border: none;
  border-top: 1px solid var(--slate-100);
  margin: 0;
}

@media (max-width: 640px) {
  .cert-asset-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .cert-asset-actions {
    width: 100%;
    justify-content: flex-start;
  }
}