:root {
  --bg-primary: #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary: #334155;
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --color-primary: #3B82F6;
  --color-primary-light: #60A5FA;
  --color-primary-dark: #1D4ED8;
  --color-success: #22C55E;
  --color-danger: #EF4444;
  --color-warning: #F59E0B;
  --glass-bg: rgba(30, 41, 59, 0.8);
  --glass-border: rgba(255, 255, 255, 0.1);
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

/* Persistent workspace: compact operations console. */
a { color: var(--color-primary-light); }
.navbar-brand { color: var(--text-primary); text-decoration: none; }
.brand-mark { font-family: 'SFMono-Regular', Consolas, monospace; font-size: 13px; letter-spacing: -.08em; border: 1px solid #6ee7c0; border-radius: 7px; padding: 5px 7px; color: #6ee7c0; }
.nav-links { display:flex; gap:24px; }
.nav-links a { color:var(--text-secondary); text-decoration:none; font-size:13px; }
.nav-links a:hover { color:#6ee7c0; }
.dashboard-main.wide { max-width:1440px; }
.dashboard-main.narrow { max-width:600px; }
.page-heading { display:flex; align-items:center; justify-content:space-between; gap:24px; margin:18px 0 28px; }
h1 { font-size:28px; font-weight:600; letter-spacing:-.035em; margin:6px 0 8px; overflow-wrap:anywhere; }
h2 { font-size:17px; font-weight:600; margin:0 0 12px; }
.eyebrow { font-family:'SFMono-Regular',Consolas,monospace; color:#6ee7c0; font-size:10px; letter-spacing:.18em; }
.muted { color:var(--text-muted); }
.small { font-size:11px; }
.mono { font-family:'SFMono-Regular',Consolas,monospace; }
.pill { flex-shrink:0; border:1px solid var(--glass-border); border-radius:20px; color:#6ee7c0; padding:6px 13px; font-size:12px; }
.panel { background:var(--bg-secondary); border:1px solid var(--glass-border); border-radius:12px; margin-bottom:24px; }
.form-panel, .create-panel, .danger-panel { padding:24px; }
.form-panel>p, .danger-panel>p { margin-bottom:20px; }
.inline-form { display:flex; align-items:end; gap:16px; flex-wrap:wrap; }
.inline-form .form-group { flex:1; min-width:220px; margin:0; }
.inline-form button { min-height:42px; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:18px 24px; }
.form-grid .form-group { margin:0; }
.span-all { grid-column:1/-1; }
.two-column { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.new-user { padding:20px 24px; }
.new-user summary { font-weight:600; cursor:pointer; color:var(--color-primary-light); }
.new-user[open] summary { margin-bottom:24px; }
.filter-bar { display:flex; gap:10px; margin-bottom:18px; }
.filter-bar input { flex:1; }
.filter-bar input,.filter-bar select { background:var(--bg-secondary); color:var(--text-primary); border:1px solid var(--glass-border); border-radius:8px; padding:10px 14px; }
.table-wrap { overflow:auto; }
table { border-collapse:collapse; width:100%; text-align:left; font-size:13px; }
th { color:var(--text-muted); font-weight:500; white-space:nowrap; font-size:12px; }
th,td { padding:17px 20px; border-bottom:1px solid var(--glass-border); vertical-align:middle; }
tbody tr:last-child td { border:0; }
tbody tr:hover { background:rgba(255,255,255,.02); }
.table-sub { display:block; color:var(--text-muted); font-size:11px; margin-top:4px; }
.count-link { font-family:'SFMono-Regular',Consolas,monospace; font-size:17px; text-decoration:none; }
.check-row { display:flex; align-items:center; gap:10px; font-size:13px; color:var(--text-secondary); }
.check-row input { accent-color:var(--color-primary); width:16px; height:16px; }
.danger-panel { border-color:rgba(239,68,68,.4); }
.danger-panel h2,.danger-text,.inline-error { color:#fca5a5; }
.danger-panel .form-group { max-width:480px; }
.inline-error { font-size:12px; overflow-wrap:anywhere; }
.space-top { margin-top:18px; }
.back-link { font-size:12px; text-decoration:none; color:var(--text-muted); }
.panel-title { padding:22px 20px 0; }
.section-heading,.pagination { display:flex; align-items:center; justify-content:space-between; gap:16px; margin:24px 0 18px; }
.section-heading h2 { margin:0; }
.pagination { justify-content:flex-end; }
.pagination span { margin-right:auto; }
.notice { margin:16px auto; max-width:1152px; padding:14px 20px; background:#13392f; border:1px solid #276b50; border-radius:8px; color:#b3f2d4; }
.notice-error { background:#412027; border-color:#7f3343; color:#fecaca; }
[hidden] { display:none!important; }
.status-active { color:#86efac; background:rgba(34,197,94,.12); }
.status-disabled,.status-deleting,.status-unknown { color:#fde68a; background:rgba(245,158,11,.12); }
.status-delete_failed { color:#fca5a5; background:rgba(239,68,68,.12); }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); }
.btn:focus-visible,a:focus-visible,summary:focus-visible { outline:2px solid #6ee7c0; outline-offset:4px; }
@media(max-width:800px) {
 .navbar { height:auto!important; min-height:64px; gap:14px; flex-wrap:wrap; padding:12px 18px!important; }
 .nav-links { order:3; width:100%; gap:20px; }
 .navbar-actions { gap:8px!important; }.user-name { max-width:140px; overflow:hidden; text-overflow:ellipsis; }
 .two-column,.form-grid { grid-template-columns:1fr; gap:16px; }.span-all{grid-column:auto;}
 .filter-bar { flex-wrap:wrap; }.filter-bar input { min-width:180px; }
 .page-heading { align-items:start; }.pill{font-size:10px;} h1{font-size:23px;}
}

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

body {
  font-family: 'Avenir Next', 'PingFang SC', 'Noto Sans SC', sans-serif;
  font-size: 14px;
  font-weight: 400;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
}

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

.btn-warning {
  background: var(--color-warning);
  color: #1a1a1a;
}

.btn-ghost {
  background: transparent;
  border-color: var(--glass-border);
  color: var(--text-secondary);
}

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

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-block {
  width: 100%;
}

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

/* Login Page */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-primary) 0%, #1a1f3a 100%);
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 40px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

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

.login-brand h1 {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.login-brand p {
  color: var(--text-muted);
  font-size: 14px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-error {
  padding: 10px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  color: var(--color-danger);
  font-size: 13px;
  margin-bottom: 16px;
}

.login-footer {
  text-align: center;
  margin-top: 24px;
  color: var(--text-muted);
  font-size: 12px;
}

/* Dashboard */
.dashboard {
  min-height: 100vh;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 16px;
}

.brand-icon {
  font-size: 20px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

.dashboard-main {
  padding: 32px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

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

.dashboard-header h2 {
  font-size: 20px;
  font-weight: 600;
}

/* Session Grid */
.session-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.session-card {
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--radius);
  padding: 20px;
  transition: all 0.2s ease;
}

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

.session-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.session-name {
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 13px;
  color: var(--text-secondary);
}

.status-badge {
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-running {
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-success);
  animation: pulse 2s infinite;
}

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

.status-stopped {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-muted);
}

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

.status-error {
  background: rgba(239, 68, 68, 0.2);
  color: var(--color-danger);
}

.status-creating,
.status-starting {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-primary);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.session-card-meta {
  margin-bottom: 16px;
}

.session-card-meta div {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

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

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.6;
}

.empty-hint {
  font-size: 13px;
  margin-top: 8px;
}

/* Session View */
.session-view {
  --session-toolbar-height: 48px;
  --session-screen-gap: 0px;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: #000;
}

.session-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: var(--session-toolbar-height);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
  z-index: 20;
}

/* Keep the remote screen at the full viewport height while the local player
   is fullscreen. The toolbar is still available by moving the pointer to the
   top edge, where Alpine briefly reveals it. */
.session-view.is-fullscreen .session-toolbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.session-view.is-fullscreen.toolbar-revealed .session-toolbar,
.session-view.is-fullscreen .session-toolbar:hover {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.session-view.is-fullscreen .session-body {
  height: 100vh;
  flex-basis: 100vh;
}

.toolbar-left,
.toolbar-center,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.session-title {
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 13px;
  color: var(--text-secondary);
}

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

.status-indicator.status-running {
  background: var(--color-success);
  animation: pulse 2s infinite;
}

.status-indicator.status-disconnected {
  background: var(--color-warning);
}

.session-body {
  display: flex;
  height: calc(100vh - var(--session-toolbar-height));
  flex: 0 0 calc(100vh - var(--session-toolbar-height));
  overflow: hidden;
  padding-top: var(--session-screen-gap);
  background: #000;
}

.novnc-container {
  flex: 1;
  height: calc(100% - var(--session-screen-gap));
  background: #000;
  position: relative;
  overflow: hidden;
}

.remote-screen {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
  outline: none;
  touch-action: none;
}

.remote-screen iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.remote-screen iframe.input-overlay {
  opacity: 0;
  z-index: 2;
}

.novnc-container.webrtc-active .remote-screen iframe {
  opacity: 0;
  z-index: 2;
  pointer-events: none;
}

.webrtc-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  background: #000;
  z-index: 1;
}

.webrtc-state {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 13px;
  pointer-events: none;
}

.webrtc-error {
  color: var(--color-warning);
}

/* Receives native browser IME composition while WebRTC renders the screen. */
.ime-input {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 1px;
  height: 1px;
  padding: 0;
  border: 0;
  opacity: 0;
  pointer-events: none;
  resize: none;
}

/* File Panel */
.file-panel {
  width: 320px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--bg-tertiary);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}

.file-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--bg-tertiary);
}

.file-panel-header h3 {
  font-size: 14px;
  font-weight: 600;
}

.file-upload-area {
  padding: 20px;
  margin: 16px;
  border: 2px dashed var(--bg-tertiary);
  border-radius: 8px;
  text-align: center;
  color: var(--text-muted);
  transition: all 0.2s;
  cursor: pointer;
}

.file-upload-area:hover,
.file-upload-area.drag-over {
  border-color: var(--color-primary);
  background: rgba(59, 130, 246, 0.05);
}

.file-upload-area input[type="file"] {
  display: none;
}

.file-upload-area small {
  display: block;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.4;
}

.file-upload-status {
  margin: -8px 16px 12px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.4;
}

.file-upload-status.error {
  color: var(--color-danger);
}

.file-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 16px 16px;
}

.file-table {
  width: 100%;
  font-size: 12px;
  border-collapse: collapse;
}

.file-table th {
  text-align: left;
  padding: 8px;
  color: var(--text-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--bg-tertiary);
}

.file-table td {
  padding: 8px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}

/* Error Page */
.error-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.error-card {
  text-align: center;
  padding: 40px;
}

.error-icon {
  font-size: 64px;
  margin-bottom: 20px;
}

.error-card h1 {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-card p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* Loading */
.loading-state {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

/* Clipboard */
.clipboard-btn.pending {
  color: var(--color-warning);
}

.clipboard-btn.synced {
  color: var(--color-success);
}

.clipboard-btn.degraded {
  color: var(--text-muted);
}

.toolbar-center > .btn.syncing {
  color: var(--color-warning);
}

.toolbar-center > .btn.synced {
  color: var(--color-success);
}

.toolbar-center > .btn.error {
  color: var(--color-warning);
}

.action-confirm {
  margin: auto;
  width: min(480px, calc(100vw - 32px));
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 28px;
  border: 1px solid var(--glass-border);
  border-top: 3px solid var(--color-danger);
  border-radius: 12px;
  color: var(--text-primary);
  background: var(--bg-secondary);
  box-shadow: 0 24px 80px #0008;
}
.action-confirm::backdrop { background: #050b16b8; }
.action-confirm h2 { margin: 8px 0 16px; }
#action-confirm-message { line-height: 1.7; overflow-wrap: anywhere; }
.action-confirm-buttons { display: flex; justify-content: flex-end; gap: 12px; margin-top: 24px; }
.action-confirm button:focus-visible { outline: 2px solid var(--text-primary); outline-offset: 4px; }

/* Responsive */
@media (max-width: 768px) {
  .session-grid {
    grid-template-columns: 1fr;
  }

  .session-toolbar {
    padding: 0 8px;
    gap: 8px;
  }

  .toolbar-center {
    display: none;
  }

  .file-panel {
    position: fixed;
    right: 0;
    top: 48px;
    bottom: 0;
    z-index: 50;
    transform: translateX(100%);
  }

  .file-panel.open {
    transform: translateX(0);
  }

  .session-view.is-fullscreen .file-panel {
    top: 0;
  }
}