:root {
  --bg-primary: #0b0f17;
  --bg-surface: #131b26;
  --bg-elevated: #1a2434;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-active: rgba(99, 102, 241, 0.4);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-primary: #6366f1;
  --accent-hover: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.25);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --danger-border: rgba(239, 68, 68, 0.35);
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --gold: #fbbf24;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;
}

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

html, body {
  min-height: 100vh;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  user-select: none;
  -webkit-user-select: none;
}

.app-container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 24px 20px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Header & Status Bar */
.app-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.security-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 9999px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.badge-item.active {
  border-color: rgba(16, 185, 129, 0.3);
  background: var(--success-bg);
  color: #34d399;
}

.badge-item.active .badge-dot {
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.badge-item.alert {
  border-color: var(--danger-border);
  background: var(--danger-bg);
  color: #f87171;
}

.badge-item.alert .badge-dot {
  background-color: var(--danger);
  box-shadow: 0 0 8px var(--danger);
}

.badge-item.server-badge {
  border-color: rgba(99, 102, 241, 0.3);
  background: rgba(99, 102, 241, 0.12);
  color: #c7d2fe;
}

.badge-item.server-badge .badge-dot {
  background-color: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--text-muted);
}

/* Alert Notification Banner */
.alert-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: #fecaca;
  font-size: 0.9rem;
  animation: slideDown 0.25s ease-out;
}

.alert-banner.show {
  display: flex;
}

.alert-content {
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.alert-dismiss {
  background: transparent;
  border: none;
  color: #fca5a5;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  text-decoration: underline;
}

.alert-dismiss:hover {
  color: #fff;
}

/* Video Stage */
.video-wrapper {
  position: relative;
  background-color: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
  border: 1px solid var(--border-color);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* Video State Overlays */
.video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 23, 0.88);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px;
  text-align: center;
  z-index: 20;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.video-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.overlay-icon-wrap {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--danger-bg);
  border: 2px solid var(--danger-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--danger);
}

.overlay-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.overlay-desc {
  max-width: 440px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.overlay-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  background: var(--accent-primary);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.overlay-action-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* Custom Safe Player Controls */
.player-controls {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.progress-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.progress-bar-rail {
  position: relative;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  cursor: pointer;
  overflow: hidden;
}

.progress-watched {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  background: rgba(99, 102, 241, 0.3);
  border-radius: 9999px;
  pointer-events: none;
}

.progress-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  background: var(--accent-primary);
  border-radius: 9999px;
  pointer-events: none;
  transition: width 0.1s linear;
}

.progress-restriction-tooltip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.lock-info {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #f59e0b;
}

.controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.controls-left, .controls-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ctrl-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 1rem;
}

.ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.ctrl-btn.btn-play-pause {
  background: var(--accent-primary);
  border-color: transparent;
  color: #fff;
  width: 42px;
  height: 42px;
  font-size: 1.1rem;
}

.ctrl-btn.btn-play-pause:hover {
  background: var(--accent-hover);
}

.time-display {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0 6px;
}

.speed-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  cursor: not-allowed;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.volume-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
}

.volume-slider {
  width: 80px;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

/* Sertifika Talep Alanı */
.cert-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
}

.cert-info-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cert-info-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.cert-info-sub {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.btn-claim-cert {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-claim-cert.ready {
  background: linear-gradient(135deg, #d97706, #b45309);
  color: #fff;
  border-color: #f59e0b;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-claim-cert.ready:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

/* Siber Güvenlik / Pentest Paneli */
.pentest-card {
  background: var(--bg-surface);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pentest-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pentest-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 700;
  color: #fca5a5;
}

.pentest-tag {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger);
  text-transform: uppercase;
}

.pentest-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
}

.btn-pentest {
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #e2e8f0;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.btn-pentest span {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.btn-pentest:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fff;
}

/* Canlı Güvenlik Denetim Günlüğü */
.audit-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
}

.btn-clear-log {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.btn-clear-log:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.log-list {
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  max-height: 180px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 4px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.log-entry {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.25);
  border-left: 3px solid var(--text-muted);
  word-break: break-word;
}

.log-entry.info {
  border-left-color: var(--accent-primary);
}

.log-entry.warning {
  border-left-color: var(--warning);
  color: #fde68a;
  background: rgba(245, 158, 11, 0.08);
}

.log-entry.danger {
  border-left-color: var(--danger);
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.1);
}

.log-entry.success {
  border-left-color: var(--success);
  color: #a7f3d0;
}

.log-time {
  color: var(--text-muted);
  flex-shrink: 0;
}

/* Modal: Sertifika Görüntüleyici */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}

.modal-backdrop.show {
  display: flex;
}

.modal-dialog {
  background: #111827;
  border: 1px solid #d97706;
  border-radius: var(--radius-lg);
  max-width: 580px;
  width: 100%;
  padding: 28px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.85);
  position: relative;
  animation: slideDown 0.2s ease-out;
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
}

.modal-close-btn:hover {
  color: #fff;
}

.cert-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: center;
}

.cert-badge {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #f59e0b;
  text-transform: uppercase;
}

.cert-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}

.cert-recipient {
  font-size: 1rem;
  color: #e2e8f0;
}

.cert-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.5;
  background: rgba(0, 0, 0, 0.3);
  padding: 12px;
  border-radius: var(--radius-sm);
}

.cert-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.76rem;
  color: var(--text-muted);
  text-align: left;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

.cert-hash {
  font-family: var(--font-mono);
  color: #34d399;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
  .app-container {
    padding: 16px 12px 32px;
  }
  .controls-row {
    flex-direction: column;
    align-items: stretch;
  }
}