/* ========================================
   WA Mantap — Dashboard Styles
   Premium dark glassmorphism design
   ======================================== */

/* ---- CSS Variables / Design Tokens ---- */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-border: rgba(255, 255, 255, 0.06);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #38bdf8;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-success: #10b981;
  --accent-success-glow: rgba(16, 185, 129, 0.3);
  --accent-danger: #ef4444;
  --accent-danger-hover: #dc2626;
  --accent-warning: #f59e0b;
  --accent-info: #06b6d4;

  --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --gradient-success: linear-gradient(135deg, #10b981, #06b6d4);
  --gradient-danger: linear-gradient(135deg, #ef4444, #f97316);
  --gradient-card: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.05));
  --gradient-sidebar: linear-gradient(180deg, #0f172a, #1e1b4b);

  --border-color: rgba(148, 163, 184, 0.1);
  --border-active: rgba(59, 130, 246, 0.5);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.2);

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

  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ---- Ambient Background Orbs ---- */
.ambient-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: #3b82f6;
  top: -200px;
  right: -200px;
  animation: orbFloat1 20s ease-in-out infinite;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: #8b5cf6;
  bottom: -150px;
  left: -150px;
  animation: orbFloat2 25s ease-in-out infinite;
}

.orb-3 {
  width: 400px;
  height: 400px;
  background: #06b6d4;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: orbFloat3 30s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-80px, 60px) scale(1.1); }
  66% { transform: translate(40px, -40px) scale(0.9); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, -80px) scale(1.1); }
  66% { transform: translate(-40px, 40px) scale(0.95); }
}

@keyframes orbFloat3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.1; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.2; }
}

/* ---- App Layout ---- */
.app {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  background: var(--gradient-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width var(--transition-normal), transform var(--transition-normal);
  backdrop-filter: blur(20px);
}

.sidebar-header {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--border-color);
}

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

.logo-icon {
  font-size: 28px;
  line-height: 1;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.sidebar-toggle {
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: none;
}

.sidebar-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-primary);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 24px;
  background: var(--accent-primary);
  border-radius: 0 4px 4px 0;
}

.nav-item svg {
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
}

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

.status-dot.connected {
  background: var(--accent-success);
  box-shadow: 0 0 8px var(--accent-success-glow);
  animation: pulse 2s ease-in-out infinite;
}

.status-dot.disconnected {
  background: var(--accent-danger);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

/* ---- Top Bar ---- */
.topbar {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-btn {
  display: none;
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.page-title {
  font-size: 20px;
  font-weight: 600;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.api-key-display {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  padding: 6px 14px;
  font-size: 13px;
}

.api-key-label {
  color: var(--text-muted);
}

.api-key-value {
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--text-secondary);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-icon {
  padding: 4px;
  border-radius: 4px;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

/* ---- Page Container ---- */
.page-container {
  padding: 32px;
  max-width: 1200px;
}

.page {
  display: none;
}

.page.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Stats Grid ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.stat-card:hover {
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.status-icon {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-success);
}

.sent-icon {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-primary);
}

.failed-icon {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-danger);
}

.queue-icon {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-warning);
}

.stat-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(10px);
  margin-bottom: 24px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
}

.card-header .card-title {
  margin-bottom: 0;
}

/* ---- Quick Start ---- */
.quick-start-steps {
  display: flex;
  gap: 24px;
}

.step {
  flex: 1;
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.step:hover {
  border-color: var(--border-active);
  background: rgba(59, 130, 246, 0.05);
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---- API Docs ---- */
.api-endpoint {
  padding: 16px;
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.api-endpoint:last-child {
  margin-bottom: 0;
}

.endpoint-url {
  display: block;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  color: var(--accent-info);
  margin-bottom: 6px;
}

.endpoint-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ---- Session Card ---- */
.session-status-display {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
}

.session-indicator {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  border-radius: var(--radius-xl);
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  font-size: 16px;
  font-weight: 500;
}

.pulse-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-danger);
  transition: all var(--transition-normal);
}

.pulse-dot.active {
  background: var(--accent-success);
  box-shadow: 0 0 12px var(--accent-success-glow);
  animation: pulse 2s ease-in-out infinite;
}

.session-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- QR Card ---- */
.qr-instruction {
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
}

.qr-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 280px;
  margin-bottom: 16px;
}

.qr-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--text-muted);
}

#qrImage {
  max-width: 280px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.qr-timer {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

#qrCountdown {
  color: var(--accent-warning);
  font-weight: 600;
}

/* ---- Spinner ---- */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 14px;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 2px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  border-color: var(--border-active);
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.1);
}

.btn-success {
  background: var(--gradient-success);
  color: white;
  box-shadow: 0 2px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
}

.btn-danger {
  background: var(--gradient-danger);
  color: white;
  box-shadow: 0 2px 12px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(239, 68, 68, 0.4);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ---- Forms ---- */
.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-hint {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

.input-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-group input {
  flex: 1;
}

.form-actions {
  margin-top: 8px;
}

/* ---- Logs Table ---- */
.logs-table-container {
  overflow-x: auto;
}

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

.logs-table th {
  text-align: left;
  padding: 14px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

.logs-table td {
  padding: 14px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(148, 163, 184, 0.05);
}

.logs-table tr:hover td {
  background: rgba(59, 130, 246, 0.03);
}

.logs-table .empty-row td {
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
  padding: 48px 16px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

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

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

.status-badge.pending {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-warning);
}

/* ---- Send Result ---- */
.send-result, .register-result {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  animation: fadeIn 0.3s ease;
}

.send-result.success, .register-result.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-success);
}

.send-result.error, .register-result.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--accent-danger);
}

/* ---- Toast Notifications ---- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column-reverse;
  gap: 12px;
  z-index: 1000;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  max-width: 420px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s ease;
}

.toast.success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-success);
}

.toast.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--accent-danger);
}

.toast.info {
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent-primary);
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quick-start-steps {
    flex-direction: column;
  }
}

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

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

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

  .mobile-menu-btn {
    display: block;
  }

  .topbar {
    padding: 0 16px;
  }

  .page-container {
    padding: 20px 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .api-key-display {
    display: none;
  }

  .session-actions {
    flex-direction: column;
  }

  .session-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.2);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.4);
}