@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2234;
  --bg-card-hover: #1f2a40;
  --bg-input: #0f1629;
  --bg-glass: rgba(26, 34, 52, 0.85);

  --border-default: #1e2d45;
  --border-hover: #2d4a6f;
  --border-active: #3b82f6;

  --text-primary: #f0f4f8;
  --text-secondary: #8899aa;
  --text-muted: #556677;

  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-green: #10b981;
  --accent-green-glow: rgba(16, 185, 129, 0.2);
  --accent-red: #ef4444;
  --accent-red-glow: rgba(239, 68, 68, 0.2);
  --accent-yellow: #f59e0b;
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;

  --gradient-main: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --gradient-success: linear-gradient(135deg, #10b981, #06b6d4);
  --gradient-danger: linear-gradient(135deg, #ef4444, #f59e0b);
  --gradient-card: linear-gradient(145deg, rgba(26, 34, 52, 0.9), rgba(15, 22, 41, 0.95));

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow-blue: 0 0 30px rgba(59, 130, 246, 0.15);
  --shadow-glow-green: 0 0 30px rgba(16, 185, 129, 0.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ============================================
   RESET & BASE
   ============================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  /* Prevent iOS overscroll bounce */
  overscroll-behavior: none;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  /* Enable smooth momentum scrolling on iOS */
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: none;
}

/* Animated background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(6, 182, 212, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.login-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 48px;
  width: 420px;
  max-width: 90vw;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
  animation: slideUp 0.6s ease;
}

.login-card .logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-card .logo h1 {
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-card .logo p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 6px;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: all var(--transition-normal);
  outline: none;
}

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

.form-control::placeholder {
  color: var(--text-muted);
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238899aa' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-main);
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(59, 130, 246, 0.4);
}

.btn-success {
  background: var(--gradient-success);
  color: white;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(16, 185, 129, 0.4);
}

.btn-danger {
  background: var(--accent-red);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.btn-ghost:hover {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

.btn-block {
  width: 100%;
}

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

/* ============================================
   MAIN LAYOUT
   ============================================ */
.app-container {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-default);
}

.sidebar-header h1 {
  font-size: 1.2rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-header p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 4px;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: 'Inter', sans-serif;
}

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
  border-left: 3px solid var(--accent-blue);
}

.nav-item .icon {
  font-size: 1.1rem;
  width: 24px;
  text-align: center;
}

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

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

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.user-details {
  flex: 1;
}

.user-details .name {
  font-size: 0.85rem;
  font-weight: 600;
}

.user-details .role {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Main content */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 32px;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.page-header {
  margin-bottom: 32px;
}

.page-header h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--gradient-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

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

.card-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

/* Stat cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  opacity: 0.05;
  transform: translate(20px, -20px);
}

.stat-card.blue::after {
  background: var(--accent-blue);
}

.stat-card.green::after {
  background: var(--accent-green);
}

.stat-card.purple::after {
  background: var(--accent-purple);
}

.stat-card.cyan::after {
  background: var(--accent-cyan);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============================================
   SERVER LIST
   ============================================ */
.server-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.server-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.server-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.server-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.server-name {
  font-size: 1.05rem;
  font-weight: 600;
}

.server-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.status-online .status-dot {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse 2s infinite;
}

.status-offline .status-dot {
  background: var(--accent-red);
}

.status-unknown .status-dot {
  background: var(--text-muted);
}

.server-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 20px;
}

.server-detail {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.server-detail span {
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
}

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

/* ============================================
   PEM KEYS LIST
   ============================================ */
.keys-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.key-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.key-item:hover {
  border-color: var(--border-hover);
}

.key-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.key-icon {
  font-size: 1.5rem;
  width: 42px;
  height: 42px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.key-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.key-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 3px;
}

/* ============================================
   FILE UPLOAD
   ============================================ */
.upload-zone {
  border: 2px dashed var(--border-default);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
}

.upload-zone .upload-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.6;
}

.upload-zone .upload-text {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.upload-zone .upload-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

/* ============================================
   TERMINAL
   ============================================ */
.terminal-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: none;
  flex-direction: column;

  /* Scoped theme variables (set by JS) */
  --tw-bg: #0a0e17;
  --tw-bar-bg: #0d1320;
  --tw-border: #1e2d45;
  --tw-text: #f0f4f8;
  --tw-text-muted: #8899aa;
  --tw-btn-bg: #1a2234;
  --tw-btn-bg-hover: #243049;
  --tw-accent: #3b82f6;
  --tw-combo: rgba(139, 92, 246, 0.15);
  --tw-combo-border: rgba(139, 92, 246, 0.35);
  --tw-combo-text: #a78bfa;

  background: var(--tw-bg);
  color: var(--tw-text);
  /* Mobile safe area support */
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  /* Prevent page scroll behind terminal */
  overscroll-behavior: none;
  touch-action: manipulation;
}

.terminal-wrapper.active {
  display: flex;
}

.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--tw-bar-bg);
  border-bottom: 1px solid var(--tw-border);
}

.terminal-bar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.terminal-bar .server-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent-green);
}

.terminal-status {
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 500;
}

.terminal-status.connected {
  background: var(--accent-green-glow);
  color: var(--accent-green);
}

.terminal-status.disconnected {
  background: var(--accent-red-glow);
  color: var(--accent-red);
}

.terminal-status.connecting {
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-yellow);
}

.terminal-body {
  flex: 1;
  overflow: hidden;
  padding: 8px;
  /* Allow vertical touch scrolling within terminal */
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  /* Ensure it fills available space */
  min-height: 0;
}

.terminal-body .xterm {
  height: 100%;
}

/* xterm scrollbar — wider, visible, touch-friendly */
.terminal-body .xterm-viewport::-webkit-scrollbar {
  width: 14px;
}

.terminal-body .xterm-viewport::-webkit-scrollbar-track {
  background: transparent;
}

.terminal-body .xterm-viewport::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.25);
  border-radius: 7px;
  border: 3px solid transparent;
  background-clip: padding-box;
}

.terminal-body .xterm-viewport::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.45);
  border: 3px solid transparent;
  background-clip: padding-box;
}

.terminal-body .xterm-viewport::-webkit-scrollbar-thumb:active {
  background: rgba(255, 255, 255, 0.6);
  border: 2px solid transparent;
  background-clip: padding-box;
}

/* Firefox scrollbar for xterm */
.terminal-body .xterm-viewport {
  scrollbar-width: auto;
  scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
  /* Critical: allow touch scrolling within the terminal viewport */
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  overscroll-behavior: contain;
  /* Ensure pointer events reach the viewport for scrolling */
  overflow-y: auto !important;
}

/* The xterm-screen canvas sits on top of the viewport and blocks touch events.
   We make it pass pointer events through, then re-enable on the actual canvas. */
.terminal-body .xterm-screen {
  touch-action: pan-y;
}

/* xterm's hidden textarea — fix Android keyboard issues */
.terminal-body .xterm-helper-textarea {
  touch-action: pan-y;
  /* Prevent Android IME autocomplete popup and text suggestions */
  -webkit-text-security: none;
  text-transform: none;
  /* Prevent iOS zoom on focus */
  font-size: 16px !important;
}

/* Touch-friendly xterm scrollbar on mobile */
@media (pointer: coarse) {
  .terminal-body .xterm-viewport::-webkit-scrollbar {
    width: 18px;
  }

  .terminal-body .xterm-viewport::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.35);
    border-radius: 9px;
    border: 4px solid transparent;
    background-clip: padding-box;
    min-height: 50px;
  }

  .terminal-body .xterm-viewport::-webkit-scrollbar-thumb:active {
    background: rgba(255, 255, 255, 0.6);
    border: 3px solid transparent;
    background-clip: padding-box;
  }
}

/* Terminal bar right side */
.terminal-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Theme selector */
.term-theme-select {
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--tw-border);
  background: var(--tw-btn-bg);
  color: var(--tw-text);
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-fast);
}

.term-theme-select:focus {
  border-color: var(--tw-accent);
}

/* ============================================
   TERMINAL CONTROLS BAR
   ============================================ */
.terminal-controls {
  background: var(--tw-bar-bg);
  border-top: 1px solid var(--tw-border);
  padding: 6px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  user-select: none;
  -webkit-user-select: none;
  /* Allow horizontal scroll on overflow for control rows */
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x pan-y;
  flex-shrink: 0;
  transition: padding 0.15s ease, max-height 0.2s ease;
}

/* When virtual keyboard is open, hide controls to give terminal max space */
.terminal-wrapper.keyboard-open .terminal-controls {
  max-height: 0;
  padding: 0;
  overflow: hidden;
  border-top: none;
}

/* Settings toggle bar */
.ctrl-settings-bar {
  display: flex;
  align-items: center;
  position: relative;
  margin-bottom: 2px;
}

.ctrl-settings-toggle {
  padding: 3px 10px;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--tw-text-muted);
  background: transparent;
  border: 1px solid var(--tw-border);
  border-radius: 6px;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition-fast);
}

.ctrl-settings-toggle:hover {
  color: var(--tw-text);
  border-color: var(--tw-accent);
}

/* Settings panel dropdown */
.ctrl-settings-panel {
  position: absolute;
  bottom: 100%;
  left: 0;
  background: var(--tw-bg);
  border: 1px solid var(--tw-border);
  border-radius: 10px;
  padding: 10px;
  z-index: 100;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
  min-width: 260px;
  max-height: 320px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.ctrl-settings-header {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--tw-text);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--tw-border);
}

.ctrl-settings-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ctrl-settings-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 6px;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.ctrl-settings-item:hover {
  background: var(--tw-btn-bg);
}

.ctrl-settings-item label {
  font-size: 0.72rem;
  color: var(--tw-text-muted);
  cursor: pointer;
  flex: 1;
}

.ctrl-settings-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--tw-accent, #3b82f6);
  cursor: pointer;
  flex-shrink: 0;
}

/* Hidden button state */
.ctrl-btn.btn-hidden {
  display: none !important;
}

/* Empty rows are hidden via JS (_applyHiddenButtons) for broader browser support */

.ctrl-row {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.ctrl-divider {
  width: 1px;
  height: 22px;
  background: var(--tw-border);
  margin: 0 4px;
}

.ctrl-btn {
  padding: 5px 10px;
  border: 1px solid var(--tw-border);
  border-radius: 6px;
  background: var(--tw-btn-bg);
  color: var(--tw-text-muted);
  font-family: 'JetBrains Mono', 'Inter', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.2;
  touch-action: manipulation;
}

.ctrl-btn:hover {
  border-color: var(--tw-accent);
  color: var(--tw-text);
  background: var(--tw-btn-bg-hover);
}

.ctrl-btn:active {
  transform: scale(0.95);
  background: var(--tw-btn-bg-hover);
}

/* Toggle modifier buttons (Ctrl, Alt, Shift) */
.ctrl-toggle.active {
  background: var(--tw-accent);
  color: white;
  border-color: var(--tw-accent);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
}

/* Arrow keys */
.ctrl-arrow {
  min-width: 34px;
  text-align: center;
  font-size: 0.8rem;
  padding: 5px 8px;
}

/* Combo buttons */
.ctrl-combo {
  background: var(--tw-combo);
  border-color: var(--tw-combo-border);
  color: var(--tw-combo-text);
}

.ctrl-combo:hover {
  background: var(--tw-btn-bg-hover);
  border-color: var(--tw-combo-text);
}

/* Mobile optimization */
@media (max-width: 768px) {
  .terminal-controls {
    padding: 4px 6px;
  }

  .ctrl-btn {
    padding: 6px 8px;
    font-size: 0.68rem;
  }

  .ctrl-arrow {
    min-width: 32px;
  }

  .term-theme-select {
    font-size: 0.72rem;
    padding: 4px 6px;
  }
}


/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 520px;
  max-width: 90vw;
  max-height: 85vh;
  max-height: 85dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.modal-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-card);
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--accent-red);
  color: white;
}

/* ============================================
   TOASTS
   ============================================ */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: white;
  min-width: 280px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.4s ease;
  box-shadow: var(--shadow-md);
}

.toast.success {
  background: linear-gradient(135deg, #059669, #10b981);
}

.toast.error {
  background: linear-gradient(135deg, #dc2626, #ef4444);
}

.toast.info {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.85rem;
  max-width: 360px;
  margin: 0 auto 20px;
  line-height: 1.5;
}

/* ============================================
   HIDDEN UTILITY
   ============================================ */
.hidden {
  display: none !important;
}

/* Auth type toggle */
.auth-toggle {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.auth-toggle button {
  flex: 1;
  padding: 10px;
  border: none;
  background: var(--bg-input);
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.auth-toggle button.active {
  background: var(--accent-blue);
  color: white;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.4s ease;
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* Touch-friendly scrollbar on mobile */
@media (pointer: coarse) {
  ::-webkit-scrollbar {
    width: 12px;
  }

  ::-webkit-scrollbar-thumb {
    border-radius: 6px;
    border: 2px solid transparent;
    background-clip: padding-box;
  }
}

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

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

  .main-content {
    margin-left: 0;
    padding: 20px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .modal {
    width: 95vw;
    padding: 24px;
  }

  .mobile-toggle {
    display: flex !important;
  }
}

.mobile-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* Mobile sidebar overlay backdrop */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  -webkit-tap-highlight-color: transparent;
}

@media (max-width: 768px) {
  .sidebar-overlay.active {
    display: block;
  }
}

/* Tab styles */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 4px;
  border: 1px solid var(--border-default);
}

.tab {
  flex: 1;
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: 6px;
  transition: all var(--transition-fast);
  text-align: center;
}

.tab:hover {
  color: var(--text-primary);
}

.tab.active {
  background: var(--accent-blue);
  color: white;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* ============================================
   FONT SIZE CONTROLS
   ============================================ */
.font-size-label {
  color: var(--tw-text-muted, var(--text-muted));
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  min-width: 20px;
  text-align: center;
}

.btn-xs {
  padding: 2px 8px;
  font-size: 0.72rem;
  border-radius: 4px;
  min-height: 24px;
}

/* Keyboard toggle */
#termKbToggle.kb-off {
  background: var(--accent-red);
  color: white;
  border-color: var(--accent-red);
}

/* ============================================
   TERMINAL SEARCH BAR
   ============================================ */
.term-search-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--tw-bar-bg, var(--bg-card));
  border-bottom: 1px solid var(--tw-border, var(--border));
}

.term-search-bar.hidden {
  display: none;
}

.term-search-bar input {
  flex: 1;
  background: var(--tw-bg, var(--bg-primary));
  border: 1px solid var(--tw-border, var(--border));
  color: var(--tw-text, var(--text-primary));
  padding: 4px 10px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  outline: none;
}

.term-search-bar input:focus {
  border-color: var(--tw-accent, var(--accent-blue));
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

/* ============================================
   QUICK CONNECT DROPDOWN
   ============================================ */
.term-quick-connect {
  background: var(--tw-btn-bg, var(--bg-card));
  border: 1px solid var(--tw-border, var(--border));
  color: var(--tw-text-muted, var(--text-muted));
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
  max-width: 180px;
}

/* ============================================
   SPLIT TERMINAL PANES
   ============================================ */
.terminal-body.split-left {
  width: 50% !important;
  display: inline-block;
  vertical-align: top;
  border-right: 2px solid var(--tw-border, var(--border));
}

.terminal-body.split-right {
  width: 50% !important;
  display: inline-block;
  vertical-align: top;
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
}

.terminal-wrapper .terminal-body {
  position: relative;
}

/* ============================================
   SNIPPETS PAGE
   ============================================ */
.snippet-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.snippet-item:hover {
  background: var(--bg-card-hover);
}

.snippet-item:last-child {
  border-bottom: none;
}

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

.snippet-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.snippet-cmd {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.08);
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid rgba(6, 182, 212, 0.15);
  word-break: break-all;
}

.snippet-cat {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(139, 92, 246, 0.12);
  color: var(--accent-purple);
  font-weight: 500;
}

.snippet-actions {
  display: flex;
  gap: 6px;
  margin-left: 12px;
}

/* ============================================
   FILE MANAGER / SFTP
   ============================================ */
.sftp-breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
}

.bc-part {
  color: var(--accent-blue);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  transition: background 0.15s;
}

.bc-part:hover {
  background: rgba(59, 130, 246, 0.1);
}

.bc-sep {
  color: var(--text-muted);
  opacity: 0.5;
}

.sftp-col-name {
  display: flex;
  align-items: center;
  overflow: hidden;
}

.sftp-file-list {
  font-size: 0.88rem;
}

.sftp-header {
  display: grid;
  grid-template-columns: 1fr 90px 80px 110px 60px;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.sftp-item {
  display: grid;
  grid-template-columns: 1fr 90px 80px 110px 60px;
  padding: 10px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  align-items: center;
  transition: background 0.15s;
}

.sftp-item:hover {
  background: var(--bg-card-hover);
}

.sftp-dir {
  cursor: pointer;
}

.sftp-icon {
  margin-right: 8px;
}

.sftp-name {
  color: var(--text-primary);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sftp-dir .sftp-name {
  color: var(--accent-blue);
}

.sftp-col-size,
.sftp-col-perm,
.sftp-col-mod,
.sftp-col-act {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ============================================
   AUDIT LOG
   ============================================ */
.audit-log-table {
  font-size: 0.85rem;
}

.audit-header {
  display: grid;
  grid-template-columns: 180px 160px 1fr;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.audit-row {
  display: grid;
  grid-template-columns: 180px 160px 1fr;
  padding: 8px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  align-items: center;
}

.audit-row:hover {
  background: var(--bg-card-hover);
}

.audit-col-time {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
}

.audit-col-event {
  font-weight: 500;
  color: var(--text-primary);
}

.audit-col-details {
  color: var(--text-muted);
  font-size: 0.8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.audit-login .audit-col-event { color: var(--accent-green); }
.audit-ssh .audit-col-event { color: var(--accent-cyan); }
.audit-error .audit-col-event { color: var(--accent-red); }

/* ============================================
   SESSIONS PAGE
   ============================================ */
.sessions-list {
  font-size: 0.88rem;
}

.session-header {
  display: grid;
  grid-template-columns: 1fr 100px 100px 100px 140px;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-secondary);
}

.session-row {
  display: grid;
  grid-template-columns: 1fr 100px 100px 100px 140px;
  padding: 12px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  align-items: center;
}

.session-row:hover {
  background: var(--bg-card-hover);
}

.session-col-server {
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-col-user {
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
}

.session-col-status {
  font-size: 0.82rem;
}

.session-col-created {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.session-col-act {
  display: flex;
  gap: 6px;
}

@media (max-width: 768px) {
  .session-header,
  .session-row {
    grid-template-columns: 1fr 80px 100px;
  }

  .session-col-user,
  .session-col-created {
    display: none;
  }
}

/* ============================================
   HEALTH MONITORING
   ============================================ */
.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  padding: 16px;
}

.health-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  transition: border-color 0.3s;
}

.health-card.health-online {
  border-color: var(--accent-green);
}

.health-card.health-offline {
  border-color: var(--accent-red);
  opacity: 0.7;
}

.health-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.health-host {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-family: 'JetBrains Mono', monospace;
}

.health-loading {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.health-metric {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.82rem;
}

.health-metric > span:first-child {
  min-width: 40px;
  color: var(--text-muted);
  font-weight: 500;
}

.health-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.health-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.health-fill.ok { background: linear-gradient(90deg, #22c55e, #4ade80); }
.health-fill.warning { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.health-fill.danger { background: linear-gradient(90deg, #ef4444, #f87171); }

.health-value {
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
}

/* ============================================
   MOBILE OPTIMIZATION
   ============================================ */

/* Disable hover transform effects on touch devices — they cause scroll jank */
@media (hover: none), (pointer: coarse) {
  .server-card:hover,
  .stat-card:hover,
  .btn-primary:hover,
  .btn-success:hover,
  .btn-danger:hover {
    transform: none;
  }

  /* Increase tap targets */
  .btn {
    min-height: 44px;
    min-width: 44px;
  }

  .btn-sm {
    min-height: 36px;
  }

  .nav-item {
    min-height: 48px;
  }

  /* Touch-friendly form controls */
  .form-control {
    font-size: 16px; /* Prevents iOS zoom on focus */
    min-height: 48px;
  }

  select.form-control {
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .terminal-bar {
    flex-wrap: wrap;
    gap: 6px;
    padding: 6px 10px;
  }

  .terminal-bar-left,
  .terminal-bar-right {
    flex-wrap: wrap;
    gap: 4px;
  }

  .term-theme-select {
    max-width: 120px;
    font-size: 0.72rem;
  }

  .term-quick-connect {
    max-width: 140px;
  }

  .ctrl-btn {
    min-width: 42px;
    min-height: 42px;
    padding: 6px 10px;
    font-size: 0.74rem;
    touch-action: manipulation;
  }

  .ctrl-row {
    gap: 4px;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 2px;
  }

  .ctrl-row::-webkit-scrollbar {
    display: none;
  }

  .sftp-header,
  .sftp-item {
    grid-template-columns: 1fr 70px 70px 60px;
  }

  .sftp-col-perm {
    display: none;
  }

  /* Make SFTP items touch-friendly */
  .sftp-item {
    min-height: 48px;
    padding: 12px 14px;
  }

  .audit-header,
  .audit-row {
    grid-template-columns: 120px 1fr;
  }

  .audit-col-details {
    display: none;
  }

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

  .snippet-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .snippet-actions {
    margin-left: 0;
  }

  .font-size-label {
    display: none;
  }

  /* Make SFTP file list scrollable */
  .sftp-file-list {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Audit log scrollable */
  .audit-log-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Sessions list scrollable */
  .sessions-list {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Sidebar overlay when open on mobile */
  .sidebar.open {
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.6);
  }

  .main-content {
    padding: 16px;
    padding-top: 60px; /* Room for mobile toggle */
  }
}

@media (max-width: 480px) {
  .terminal-bar-right {
    width: 100%;
    justify-content: space-between;
  }

  .terminal-bar {
    padding: 4px 8px;
  }

  .terminal-body {
    padding: 4px;
  }

  .ctrl-btn {
    min-width: 40px;
    min-height: 40px;
    padding: 4px 8px;
    font-size: 0.7rem;
  }

  .sftp-header,
  .sftp-item {
    grid-template-columns: 1fr 60px 60px;
  }

  .sftp-col-mod {
    display: none;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .stat-card {
    padding: 14px;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .page-header h2 {
    font-size: 1.3rem;
  }

  .toast-container {
    left: 10px;
    right: 10px;
  }

  .toast {
    min-width: auto;
  }

  .login-card {
    padding: 32px 24px;
  }
}