/* AI Studio Commander — Dark Glassmorphism Design System */
:root {
  --bg-base: #0B0E14;
  --bg-surface: rgba(19, 24, 35, 0.75);
  --bg-surface-solid: #131823;
  --bg-surface-elevated: rgba(26, 34, 52, 0.7);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.3);
  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  
  --accent-cyan: #00F2FE;
  --accent-blue: #4FACFE;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;
  --accent-rose: #F43F5E;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-heading: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition-fast: 0.15s ease;
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-base);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(79, 172, 254, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(0, 242, 254, 0.05) 0%, transparent 45%);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Glassmorphism Panel */
.glass-panel {
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.36);
}

/* App Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-radius: 0;
  border-left: none;
  border-right: none;
  border-top: none;
  border-bottom: 1px solid var(--border-subtle);
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-icon {
  font-size: 1.3rem;
  filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.6));
}

.project-selector-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.25);
  padding: 4px 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.selector-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.project-select {
  background: transparent;
  border: none;
  color: var(--accent-cyan);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  outline: none;
}

.project-select option {
  background: var(--bg-surface-solid);
  color: var(--text-primary);
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

/* Tabs Navigation */
.app-main {
  flex: 1;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}

.nav-tabs {
  display: flex;
  gap: 10px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(79, 172, 254, 0.25), rgba(0, 242, 254, 0.15));
  border: 1px solid var(--border-glow);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.15);
}

.tab-content {
  display: none;
  flex: 1;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
}

/* Chat Assistant Layout */
.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 190px);
  min-height: 520px;
}

.chat-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.chat-title-info h2 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
}

.chat-title-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.chat-quick-actions {
  display: flex;
  gap: 8px;
}

.quick-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-btn:hover {
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border-color: var(--border-glow);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  display: flex;
  gap: 12px;
  max-width: 85%;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.message-user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.message-assistant .message-avatar {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.4);
}

.message-bubble {
  background: var(--bg-surface-elevated);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--text-primary);
}

.message-user .message-bubble {
  background: linear-gradient(135deg, #1E3A8A, #2563EB);
  border-color: rgba(255, 255, 255, 0.15);
}

.message-bubble pre {
  background: rgba(0, 0, 0, 0.45);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin: 10px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.message-bubble code {
  font-family: var(--font-mono);
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
  color: var(--accent-cyan);
}

.chat-input-area {
  padding: 16px 20px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.chat-input-area textarea {
  flex: 1;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  resize: none;
  outline: none;
  transition: border-color var(--transition-fast);
}

.chat-input-area textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.2);
}

/* Media Studio Grid */
.media-container, .terminal-container, .files-container {
  padding: 20px;
  min-height: 550px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.section-toolbar h2 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
  overflow-y: auto;
  max-height: calc(100vh - 250px);
  padding-right: 4px;
}

.media-card {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
}

.media-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-glow);
  box-shadow: 0 8px 24px rgba(0, 242, 254, 0.15);
}

.media-thumb-wrapper {
  position: relative;
  aspect-ratio: 16/9;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.media-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-play-overlay {
  position: absolute;
  font-size: 2.2rem;
  background: rgba(0, 0, 0, 0.55);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.media-meta {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.media-title {
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.media-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Terminal Runner */
.cmd-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.preset-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.preset-btn:hover {
  background: rgba(79, 172, 254, 0.15);
  color: #fff;
  border-color: var(--border-glow);
}

.terminal-input-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 0, 0, 0.45);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.terminal-prompt {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-weight: bold;
}

.terminal-input-bar input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  outline: none;
}

.terminal-screen {
  flex: 1;
  background: #05070A;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 16px;
  color: #10B981;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  height: 420px;
}

/* File Explorer */
.files-container {
  display: flex;
  flex-direction: row;
  padding: 0;
  overflow: hidden;
  height: calc(100vh - 190px);
}

.files-sidebar {
  width: 280px;
  border-right: 1px solid var(--border-subtle);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.file-tree {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.file-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.file-item.active {
  background: rgba(0, 242, 254, 0.12);
  color: var(--accent-cyan);
}

.file-editor-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: rgba(0, 0, 0, 0.3);
}

.editor-header {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.code-editor {
  flex: 1;
  background: transparent;
  border: none;
  padding: 16px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
  resize: none;
  outline: none;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.open {
  display: flex;
}

.modal-content {
  width: 100%;
  max-width: 650px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Buttons & Inputs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #05070A;
  box-shadow: 0 4px 14px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.45);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

.btn-sm {
  padding: 5px 12px;
  font-size: 0.8rem;
}

.btn-icon {
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.1rem;
  padding: 6px;
  border-radius: 50%;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.btn-block {
  width: 100%;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
}

.form-group input:focus {
  border-color: var(--accent-cyan);
}

.field-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Login Page Specifics */
.login-body {
  align-items: center;
  justify-content: center;
  background-image: 
    radial-gradient(circle at 50% 30%, rgba(79, 172, 254, 0.12) 0%, transparent 60%);
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.login-card {
  padding: 36px 32px;
  text-align: center;
}

.logo-badge {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 0 24px rgba(0, 242, 254, 0.5);
}

.login-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.login-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.login-form {
  text-align: left;
}

.login-footer {
  margin-top: 20px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}

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

.alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 16px;
  text-align: left;
}

.alert-error {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #FDA4AF;
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #6EE7B7;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 12px 16px;
  }
  .header-right {
    justify-content: space-between;
  }
  .app-main {
    padding: 12px;
  }
  .chat-container {
    height: calc(100vh - 240px);
  }
  .message {
    max-width: 95%;
  }
  .files-container {
    flex-direction: column;
  }
  .files-sidebar {
    width: 100%;
    height: 180px;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
}