/* Jewel - Lightweight Design System */
/* Color Palette: Black / White / Grey */

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-tertiary: #1e1e1e;
  --bg-card: #1a1a1a;
  --bg-hover: #252525;
  --bg-input: #111111;
  --border-color: #2a2a2a;
  --border-focus: #555555;
  --text-primary: #f0f0f0;
  --text-secondary: #999999;
  --text-muted: #666666;
  --accent: #ffffff;
  --accent-hover: #e0e0e0;
  --danger: #ff4444;
  --danger-hover: #cc3333;
  --success: #44cc44;
  --warning: #ffaa00;
  --info: #4488ff;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
  --radius: 6px;
  --radius-lg: 10px;
  --sidebar-width: 220px;
  --topbar-height: 52px;
  --transition: 0.2s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', 'Noto Sans TC', 'Noto Sans JP', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text-secondary); text-decoration: none; }
a:hover { color: var(--text-primary); }

/* ====== Buttons ====== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn:hover { background: var(--bg-hover); border-color: var(--border-focus); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--accent); color: var(--bg-primary); border-color: var(--accent); font-weight: 500; }
.btn-primary:hover { background: var(--accent-hover); }

.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-hover); }

.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-full { width: 100%; }
.btn-icon { padding: 6px; min-width: 32px; }

/* ====== Forms ====== */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

input[type="text"],
input[type="password"],
input[type="url"],
input[type="number"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color var(--transition);
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--border-focus); }

textarea { resize: vertical; min-height: 80px; }

.form-error {
  color: var(--danger);
  font-size: 12px;
  margin-top: 4px;
  margin-bottom: 8px;
}

.form-row {
  display: flex;
  gap: 12px;
}
.form-row > * { flex: 1; }

/* ====== Login Page ====== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
}

.login-container {
  display: flex;
  width: 100%;
  max-width: 900px;
  min-height: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

.login-left {
  flex: 1;
  background: linear-gradient(135deg, #111 0%, #1a1a1a 50%, #222 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.login-left::before {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  top: 20%; left: 10%;
  opacity: 0.3;
}
.login-left::after {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  bottom: -10%; right: -5%;
  opacity: 0.15;
}

.login-brand { text-align: center; position: relative; z-index: 1; }
.login-logo { width: 80px; height: 80px; margin-bottom: 16px; }
.login-title { font-size: 48px; font-weight: 200; letter-spacing: 12px; color: var(--text-primary); }
.login-subtitle { color: var(--text-muted); margin-top: 12px; font-size: 14px; letter-spacing: 1px; }

.login-right {
  flex: 1;
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px 40px;
}

.login-form h2 {
  font-weight: 400;
  margin-bottom: 28px;
  font-size: 22px;
}

.login-lang {
  margin-top: 24px;
  text-align: center;
}
.login-lang select {
  width: auto;
  min-width: 120px;
  text-align: center;
  background: var(--bg-tertiary);
}

/* ====== Layout ====== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

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

.sidebar-brand {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-logo {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}
.sidebar-brand h1 {
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 6px;
}
.sidebar-brand .version {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 3px;
}

.sidebar-nav { flex: 1; padding: 12px 0; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 14px;
  border-left: 3px solid transparent;
}
.nav-item:hover { color: var(--text-primary); background: var(--bg-hover); }
.nav-item.active {
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border-left-color: var(--accent);
}
.nav-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
}

.update-banner {
  display: none;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}
.update-banner:hover { border-color: var(--border-focus); }
.update-banner.show { display: block; }
.update-banner .update-title {
  font-size: 12px;
  color: var(--warning);
  font-weight: 500;
  margin-bottom: 2px;
}
.update-banner .update-desc {
  font-size: 11px;
  color: var(--text-muted);
}

/* ====== Dashboard ====== */
.sys-info-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}
.sys-info-bar span {
  white-space: nowrap;
}

.monitor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.ring-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
}
.ring-wrap { margin-bottom: 8px; }
.ring-label { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.ring-value { font-size: 13px; color: var(--text-secondary); }

.net-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.net-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.net-label { font-size: 12px; color: var(--text-muted); }
.net-val { font-size: 14px; font-weight: 500; }

.dash-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.dash-half { min-width: 0; }

/* Notebook */
.notebook-tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  padding: 2px;
}
.notebook-tab {
  padding: 4px 10px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
}
.notebook-tab:hover { color: var(--text-primary); }
.notebook-tab.active {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.note-editor {
  width: 100%;
  min-height: 200px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 13px;
  line-height: 1.6;
  padding: 12px;
  resize: vertical;
  outline: none;
}
.note-editor:focus { border-color: var(--border-focus); }
.note-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

/* Calendar */
.calendar { padding: 4px; }
.cal-header {
  text-align: center;
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  text-align: center;
}
.cal-dayname {
  font-size: 11px;
  color: var(--text-muted);
  padding: 4px 0;
}
.cal-day {
  font-size: 13px;
  padding: 6px 0;
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: default;
}
.cal-day:hover { background: var(--bg-hover); }
.cal-today {
  background: var(--accent) !important;
  color: var(--bg-primary) !important;
  font-weight: 600;
}
.cal-empty { padding: 6px 0; }

/* Terminal */
.term-bar {
  background: var(--bg-tertiary);
  padding: 6px 10px;
  border-radius: var(--radius) var(--radius) 0 0;
  font-size: 12px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}
.term-output {
  background: #050505;
  padding: 10px;
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary);
  max-height: 350px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}
.term-input-row {
  display: flex;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  align-items: center;
}
.term-prompt { color: var(--text-muted); font-family: monospace; }
.term-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 13px;
  outline: none;
}

/* File Manager */
.fm-breadcrumb {
  padding: 8px 10px;
  background: var(--bg-tertiary);
  border-radius: var(--radius) var(--radius) 0 0;
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 12px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}
.fm-actions {
  display: flex;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
}
.fm-list {
  max-height: 350px;
  overflow-y: auto;
}
.fm-row {
  display: flex;
  align-items: center;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.1s;
}
.fm-row:hover { background: var(--bg-hover); }
.fm-size { margin-left: auto; font-size: 11px; color: var(--text-muted); }
.fm-path {
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 12px;
  word-break: break-all;
}

.action-cell { white-space: nowrap; }

/* ====== Update Table ====== */
.update-table { width: 100%; }
.update-table td { padding: 6px 0; font-size: 13px; vertical-align: top; }
.update-table td:first-child { width: 100px; white-space: nowrap; padding-right: 12px; }
.commit-sha {
  display: inline-block;
  background: var(--bg-tertiary);
  padding: 1px 6px;
  border-radius: 3px;
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 11px;
  color: var(--text-secondary);
  margin: 0 4px;
}
.commit-date { font-size: 11px; color: var(--text-muted); }

/* ====== Footer ====== */
.app-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  padding: 8px 16px;
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(6px);
  z-index: 50;
  pointer-events: auto;
}
.app-footer a {
  color: var(--text-secondary);
  text-decoration: none;
}
.app-footer a:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

@media (max-width: 768px) {
  .monitor-grid { grid-template-columns: 1fr; }
  .net-stats { grid-template-columns: repeat(2, 1fr); }
  .dash-row { grid-template-columns: 1fr; }
}

/* ====== Main Content ====== */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
}

.topbar {
  height: var(--topbar-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title { font-weight: 400; font-size: 16px; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.topbar-actions select {
  width: auto;
  min-width: 100px;
  padding: 5px 8px;
  font-size: 12px;
}

.content-area {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* ====== Cards ====== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card-title { font-weight: 500; font-size: 15px; }

/* ====== Stats Grid ====== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.stat-label { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.stat-value { font-size: 28px; font-weight: 300; }

/* ====== Tables ====== */
.table-container { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
}
th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
tr:hover { background: var(--bg-hover); }

/* ====== Status Badges ====== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}
.badge-running { background: rgba(68,204,68,0.15); color: var(--success); }
.badge-stopped { background: rgba(153,153,153,0.15); color: var(--text-secondary); }
.badge-paused { background: rgba(255,170,0,0.15); color: var(--warning); }
.badge-error { background: rgba(255,68,68,0.15); color: var(--danger); }
.badge-deploying { background: rgba(68,136,255,0.15); color: var(--info); }
.badge-idle { background: rgba(153,153,153,0.1); color: var(--text-muted); }
.badge-ready { background: rgba(68,204,68,0.1); color: var(--success); }
.badge-cloning { background: rgba(255,170,0,0.15); color: var(--warning); }
.badge-update { background: rgba(255,170,0,0.15); color: var(--warning); margin-left: 6px; font-size: 11px; }

/* ====== Commit & Update ====== */
.commit-sha { font-family: 'Courier New', monospace; font-size: 12px; color: var(--text-secondary); }
.commit-info { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.commit-info .text-muted { font-size: 12px; color: var(--text-muted); }
.btn-update { background: rgba(255,170,0,0.15); color: var(--warning); border: 1px solid rgba(255,170,0,0.3); }
.btn-update:hover { background: rgba(255,170,0,0.25); }

/* ====== Status Dropdown ====== */
.status-dropdown {
  position: relative;
  display: inline-block;
}
.status-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  transition: filter 0.15s;
}
.status-btn:hover { filter: brightness(1.2); }
.status-btn.badge-running { background: rgba(68,204,68,0.15); color: var(--success); }
.status-btn.badge-stopped { background: rgba(153,153,153,0.15); color: var(--text-secondary); }
.status-btn.badge-paused { background: rgba(255,170,0,0.15); color: var(--warning); }
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  display: inline-block;
}
.dot-running { background: #4c4; }
.dot-stopped { background: #999; }
.dot-paused { background: #fa0; }
.status-label { text-transform: capitalize; }
.status-arrow { font-size: 9px; opacity: 0.6; margin-left: 2px; }
.status-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 6px;
  min-width: 140px;
  z-index: 100;
  padding: 4px 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.status-menu.open { display: block; }
.status-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  font-size: 12px;
  color: #ccc;
  cursor: pointer;
  transition: background 0.1s;
}
.status-menu-item:hover { background: #252525; color: #f0f0f0; }
.status-menu-item.danger { color: #e55; }
.status-menu-item.danger:hover { background: rgba(255,68,68,0.1); color: #f77; }
.mi-icon { font-size: 11px; width: 14px; text-align: center; }
.play-icon { color: #4c4; }
.stop-icon { color: #e55; }
.restart-icon { color: #6af; }
.pause-icon { color: #fa0; }

/* ====== Remove Container Dialog ====== */
.rm-info {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 16px;
}
.rm-row {
  display: flex;
  gap: 12px;
  padding: 4px 0;
  font-size: 13px;
}
.rm-label {
  color: #888;
  min-width: 56px;
  flex-shrink: 0;
}
.rm-value {
  color: #ccc;
  word-break: break-all;
}
.rm-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}
.rm-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #ccc;
  cursor: pointer;
  user-select: none;
}
.rm-check input { cursor: pointer; }
.rm-warn {
  color: #e55;
  font-size: 12px;
  margin-top: 4px;
}

/* ====== Experimental Feature Marker ====== */
.experimental-label {
  display: flex !important;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  cursor: pointer;
}
.experimental-badge {
  display: inline-block;
  padding: 1px 8px;
  font-size: 10px;
  font-weight: 600;
  color: #fa0;
  background: rgba(255, 170, 0, 0.12);
  border: 1px solid rgba(255, 170, 0, 0.4);
  border-radius: 10px;
  letter-spacing: 0.5px;
}
.experimental-hint {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: #888;
  line-height: 1.5;
  padding-left: 22px;
}

/* ====== Modal ====== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
}
.modal-content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  min-width: 400px;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-content h3 { font-weight: 400; margin-bottom: 16px; font-size: 18px; }
.modal-desc { color: var(--text-muted); font-size: 13px; margin-bottom: 16px; }
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ====== Notification ====== */
.notification {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 2000;
  padding: 12px 20px;
  border-radius: var(--radius);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 13px;
  box-shadow: var(--shadow);
  transform: translateX(120%);
  transition: transform 0.3s ease;
  max-width: 360px;
}
.notification.show { transform: translateX(0); }
.notification.success { border-left: 3px solid var(--success); }
.notification.error { border-left: 3px solid var(--danger); }
.notification.warning { border-left: 3px solid var(--warning); }
.notification.info { border-left: 3px solid var(--info); }

/* ====== Logs ====== */
.log-viewer {
  background: #050505;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 12px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-height: 400px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ====== Empty State ====== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.3; }
.empty-state p { margin-bottom: 16px; }

/* ====== Env Editor ====== */
.env-editor .env-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}
.env-editor .env-row input { flex: 1; }
.env-editor .env-remove {
  cursor: pointer;
  color: var(--danger);
  font-size: 18px;
  padding: 4px;
  line-height: 1;
}

/* ====== Responsive ====== */
@media (max-width: 768px) {
  .login-container { flex-direction: column; max-width: 400px; }
  .login-left { display: none; }
  .sidebar { width: 60px; }
  .sidebar .nav-item span:not(.nav-icon) { display: none; }
  .sidebar-brand h1 { display: none; }
  .main-content { margin-left: 60px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .modal-content { min-width: auto; width: 95vw; }
}

/* ====== Scrollbar ====== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-focus); }

/* ====== Loading ====== */
.loading { text-align: center; padding: 40px; color: var(--text-muted); }
.spinner {
  display: inline-block;
  width: 24px; height: 24px;
  border: 2px solid var(--border-color);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ====== User Menu ====== */
.user-menu {
  position: relative;
}
.user-menu-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 13px;
}
.user-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  min-width: 160px;
  display: none;
  z-index: 200;
  box-shadow: var(--shadow);
}
.user-menu-dropdown.open { display: block; }
.user-menu-item {
  display: block;
  width: 100%;
  padding: 8px 14px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
}
.user-menu-item:hover { color: var(--text-primary); background: var(--bg-hover); }

/* ====== Tooltip ====== */
[data-tooltip] {
  position: relative;
}
[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 11px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 300;
}

/* ====== Progress ====== */
.progress-bar {
  height: 3px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
}
.progress-bar .progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}