/* ==========================================================================
   Three Friends, Three Languages - Executive Admin Dashboard Stylesheet
   Dark Glassmorphism Theme with Modern Cloud Console Aesthetic
   ========================================================================== */

:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.85);
  --bg-card-hover: rgba(31, 41, 55, 0.9);
  --bg-input: #1f2937;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #0d9488;
  
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --brand-emerald: #10b981;
  --brand-teal: #0d9488;
  --brand-cyan: #06b6d4;
  --brand-purple: #8b5cf6;
  --brand-amber: #f59e0b;
  --brand-red: #ef4444;
  --brand-blue: #3b82f6;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background Ambient Glow */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.12) 0%, rgba(11, 15, 25, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -10%;
  right: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, rgba(11, 15, 25, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

/* ==========================================================================
   Auth Lockscreen Screen
   ========================================================================== */

.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 15, 25, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1.5rem;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-teal), var(--brand-cyan), var(--brand-purple));
}

.auth-icon-wrap {
  width: 54px;
  height: 54px;
  background: rgba(13, 148, 136, 0.15);
  border: 1px solid rgba(13, 148, 136, 0.3);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--brand-teal);
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.auth-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: left;
}

.auth-input-group {
  position: relative;
}

.auth-input-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.auth-input-wrapper {
  position: relative;
}

.auth-input {
  width: 100%;
  padding: 0.85rem 2.75rem 0.85rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: all 0.2s ease;
}

.auth-input:focus {
  border-color: var(--brand-teal);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.25);
}

.toggle-password-btn {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toggle-password-btn:hover {
  color: var(--text-primary);
}

.auth-btn {
  background: linear-gradient(135deg, var(--brand-teal), #0f766e);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.85rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.auth-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

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

.auth-error {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--brand-red);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  display: none;
}

.shake {
  animation: shakeAnim 0.4s ease-in-out;
}

@keyframes shakeAnim {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

/* ==========================================================================
   Dashboard Shell & Navigation
   ========================================================================== */

.dashboard-container {
  display: none; /* Shown on auth */
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem 4rem;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0 2rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-badge {
  background: linear-gradient(135deg, var(--brand-teal), var(--brand-cyan));
  color: #fff;
  padding: 0.6rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-title span {
  font-weight: 300;
  color: var(--text-secondary);
}

.env-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: var(--brand-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.env-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-emerald);
  box-shadow: 0 0 6px var(--brand-emerald);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-nav:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-nav.active {
  background: var(--brand-teal);
  color: #fff;
  border-color: transparent;
}

.btn-logout {
  color: var(--brand-red);
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.2);
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #fff;
}

/* ==========================================================================
   KPI Cards Grid
   ========================================================================== */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
}

.kpi-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.kpi-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.kpi-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.kpi-icon.teal { background: rgba(13, 148, 136, 0.15); color: var(--brand-teal); }
.kpi-icon.purple { background: rgba(139, 92, 246, 0.15); color: var(--brand-purple); }
.kpi-icon.emerald { background: rgba(16, 185, 129, 0.15); color: var(--brand-emerald); }
.kpi-icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--brand-blue); }
.kpi-icon.amber { background: rgba(245, 158, 11, 0.15); color: var(--brand-amber); }

.kpi-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}

.kpi-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Quota Progress Bar */
.progress-bar-wrap {
  width: 100%;
  height: 6px;
  background: var(--bg-input);
  border-radius: var(--radius-full);
  margin-top: 0.75rem;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand-teal), var(--brand-emerald));
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

/* ==========================================================================
   Dashboard Sections & Modules
   ========================================================================== */

.dashboard-section {
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-icon {
  color: var(--brand-teal);
}

.section-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.section-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Model Explorer Table */
.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.data-table th {
  background: rgba(31, 41, 55, 0.6);
  padding: 0.85rem 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge-model {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.badge-model.active {
  background: rgba(13, 148, 136, 0.2);
  color: var(--brand-teal);
  border: 1px solid rgba(13, 148, 136, 0.4);
}

.badge-model.candidate {
  background: rgba(139, 92, 246, 0.15);
  color: var(--brand-purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-model.legacy {
  background: rgba(107, 114, 128, 0.2);
  color: var(--text-muted);
  border: 1px solid rgba(107, 114, 128, 0.3);
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-status.success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--brand-emerald);
}

.badge-status.error {
  background: rgba(239, 68, 68, 0.15);
  color: var(--brand-red);
}

/* Two-column layout */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

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

/* Interactive Sandbox / Playground */
.sandbox-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sandbox-input-area {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  resize: vertical;
  min-height: 80px;
  outline: none;
}

.sandbox-input-area:focus {
  border-color: var(--brand-teal);
}

.sandbox-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.sandbox-btn {
  background: linear-gradient(135deg, var(--brand-teal), #0f766e);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.sandbox-btn:hover {
  filter: brightness(1.1);
}

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

.sandbox-output {
  background: #060911;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #a7f3d0;
  max-height: 250px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Language Popularity Bars */
.lang-bars-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.lang-bar-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.lang-bar-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.lang-bar-track {
  width: 100%;
  height: 8px;
  background: var(--bg-input);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.lang-bar-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--brand-teal), var(--brand-cyan));
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

/* Specs Diagnostic Badges */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.spec-item {
  background: rgba(31, 41, 55, 0.4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.spec-item svg {
  color: var(--brand-teal);
  flex-shrink: 0;
  margin-top: 2px;
}

.spec-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.spec-val {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Audit Filter Controls */
.audit-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.search-box {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.85rem;
  color: var(--text-primary);
  font-size: 0.82rem;
  outline: none;
  min-width: 200px;
}

.search-box:focus {
  border-color: var(--brand-teal);
}

/* Spinner */
.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (max-width: 640px) {
  .dashboard-container {
    padding: 1rem;
  }
  .admin-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .header-controls {
    width: 100%;
    justify-content: space-between;
  }
}