:root {
  /* Vercel Light Design System Tokens */
  --canvas: #ffffff;
  --canvas-soft: #fafafa;
  --canvas-soft-2: #f5f5f5;
  --canvas-card: #ffffff;
  --canvas-card-hover: #fafafa;
  --canvas-inset: #f5f5f5;
  
  --primary: #171717;
  --on-primary: #ffffff;
  --ink: #171717;
  --ink-secondary: #4d4d4d;
  --ink-muted: #888888;
  --ink-faint: #a1a1a1;
  
  --hairline: #ebebeb;
  --hairline-strong: #d1d5db;
  
  /* Brand Accents from COLORS.md */
  --accent-cyan: #3CCAFA;
  --accent-coral: #F7828A;
  --accent-glow: rgba(60, 202, 250, 0.2);
  --accent-glow-coral: rgba(247, 130, 138, 0.2);

  --font-sans: "Geist", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Geist Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;

  /* Vercel Stacked Subtle Shadows */
  --shadow-level-1: 0 0 0 1px var(--hairline);
  --shadow-level-2: 0px 1px 2px rgba(0, 0, 0, 0.04), 0 0 0 1px var(--hairline);
  --shadow-level-3: 0px 2px 4px rgba(0, 0, 0, 0.04), 0px 8px 16px -4px rgba(0, 0, 0, 0.04), 0 0 0 1px var(--hairline);
  --shadow-modal: 0px 4px 12px rgba(0, 0, 0, 0.08), 0px 24px 48px -12px rgba(0, 0, 0, 0.12), 0 0 0 1px var(--hairline-strong);
  
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--canvas-soft);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

::selection {
  background: var(--primary);
  color: var(--on-primary);
}

/* Atmospheric subtle mesh gradient on light canvas */
.mesh-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 480px;
  background: radial-gradient(circle 700px at 50% -120px, rgba(60, 202, 250, 0.08), transparent 70%),
              radial-gradient(circle 500px at 85% -80px, rgba(247, 130, 138, 0.06), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* Typography tokens */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
}

h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.mono-text {
  font-family: var(--font-mono);
}

/* App Shell Layout */
#app {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top Navbar */
.navbar {
  height: 64px;
  border-bottom: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.navbar-scrolled {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  background: rgba(255, 255, 255, 0.95);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}

.brand-logo {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-coral));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.brand-logo svg {
  width: 16px;
  height: 16px;
  color: #ffffff;
}

.brand-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.badge-tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--canvas-soft-2);
  color: var(--ink-secondary);
  border: 1px solid var(--hairline);
  font-family: var(--font-mono);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--ink-secondary);
  border: none;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
}

.nav-btn:hover, .nav-btn.active {
  color: var(--ink);
  background: var(--canvas-soft-2);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Container */
.container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  height: 36px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  will-change: transform;
}

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

.btn:active {
  transform: scale(0.98) translateY(0);
}

/* Vercel canonical primary button: black ink pill */
.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 500;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.btn-primary:hover {
  background: #000000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
  background: var(--canvas);
  color: var(--ink);
  border-color: var(--hairline);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.btn-secondary:hover {
  background: var(--canvas-soft);
  border-color: var(--hairline-strong);
}

.btn-danger {
  background: #fff0f0;
  color: #ee0000;
  border-color: #f7d4d6;
}

.btn-danger:hover {
  background: #fee2e2;
  border-color: #ee0000;
}

.btn-sm {
  height: 30px;
  padding: 0 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
  border: none;
}

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

.form-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-secondary);
}

.form-input {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.form-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
  color: var(--ink-faint);
}

.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.password-input-wrapper .form-input {
  padding-right: 40px;
}

.password-toggle-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--ink-muted);
  cursor: pointer;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color 0.15s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.password-toggle-btn:hover {
  color: var(--ink);
  background: var(--canvas-soft-2);
}

.password-toggle-btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.password-toggle-btn:active svg {
  transform: scale(0.9);
}

/* Checkbox */
.form-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-secondary);
  cursor: pointer;
  user-select: none;
}

.form-checkbox {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1px solid var(--hairline-strong);
  accent-color: var(--primary);
  cursor: pointer;
}

/* Cards & Surface */
.card {
  background: var(--canvas-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-level-2);
  overflow: hidden;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover {
  border-color: var(--hairline-strong);
}

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

.card-body {
  padding: 20px;
}

/* Stat Grid */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--canvas-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-level-2);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.stat-card:hover {
  border-color: var(--hairline-strong);
  transform: translateY(-1px);
  box-shadow: var(--shadow-level-3);
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: var(--accent-cyan);
}

.stat-card.coral::before {
  background: var(--accent-coral);
}

.stat-label {
  font-size: 12px;
  color: var(--ink-muted);
  font-weight: 500;
}

.stat-value {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.stat-sub {
  font-size: 11px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
}

/* Auth Screens (Centered Clean Box) */
.auth-wrapper {
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  max-width: 400px;
  width: 100%;
  background: var(--canvas-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-modal);
  position: relative;
  animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-card::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-coral), transparent);
  opacity: 0.8;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.auth-header {
  text-align: center;
  margin-bottom: 24px;
}

.auth-header .logo-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-coral));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.auth-header .logo-box svg {
  width: 24px;
  height: 24px;
  color: #ffffff;
}

.auth-header h2 {
  font-size: 20px;
  margin-bottom: 6px;
  color: var(--ink);
}

.auth-header p {
  font-size: 13px;
  color: var(--ink-secondary);
}

.auth-notice {
  background: var(--canvas-soft-2);
  border: 1px dashed var(--hairline);
  border-left: 3px solid var(--accent-coral);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 11px;
  color: var(--ink-secondary);
  margin-top: 20px;
  line-height: 1.4;
  font-family: var(--font-mono);
}

/* App List Grid */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.app-card {
  background: var(--canvas-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-level-2);
  will-change: transform;
}

.app-card:hover {
  border-color: var(--hairline-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-level-3);
}

.app-card:active {
  transform: translateY(0) scale(0.99);
}

.app-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.app-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--canvas-soft-2);
  border: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 700;
  font-size: 16px;
}

.app-info h3 {
  font-size: 15px;
  margin-bottom: 2px;
  color: var(--ink);
}

.app-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 12px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.app-metric-item {
  display: flex;
  flex-direction: column;
}

.app-metric-label {
  font-size: 11px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.app-metric-val {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.app-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ink-secondary);
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.data-table th {
  background: var(--canvas-soft);
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--hairline);
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink);
  vertical-align: middle;
  background: var(--canvas);
}

.data-table tr:hover td {
  background: var(--canvas-soft);
}

.release-toggle-btn {
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-secondary);
  cursor: pointer;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.release-toggle-btn:hover {
  background: var(--canvas-soft-2);
  color: var(--ink);
  border-color: var(--hairline-strong);
}

.release-toggle-chevron {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.release-row.patches-open .release-toggle-chevron {
  transform: rotate(90deg);
}

.patches-drawer-row {
  display: none;
}

.patches-drawer-row.open {
  display: table-row;
}

/* Status Badge */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.status-active {
  background: rgba(60, 202, 250, 0.1);
  color: #0761d1;
  border: 1px solid rgba(60, 202, 250, 0.35);
}

.status-latest {
  background: rgba(60, 202, 250, 0.12);
  color: #0761d1;
  border: 1px solid rgba(60, 202, 250, 0.4);
}

.status-superseded {
  background: var(--canvas-soft-2);
  color: var(--ink-muted);
  border: 1px solid var(--hairline);
}

.status-rollback {
  background: #fff0f0;
  color: #ee0000;
  border: 1px solid #f7d4d6;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Terminal Log Viewer (Polarity-flipped dark block per Vercel spec) */
.log-terminal {
  background: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  max-height: 420px;
  overflow-y: auto;
  padding: 12px 16px;
  color: #d1d5db;
}

.log-row {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
}

.log-row:last-child {
  border-bottom: none;
}

.log-entry {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.1s cubic-bezier(0.16, 1, 0.3, 1);
}

.log-entry:hover {
  background: rgba(255, 255, 255, 0.05);
}

.log-expand-icon {
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888888;
  transition: transform 0.15s ease, color 0.15s ease;
  flex-shrink: 0;
}

.log-row.expanded .log-expand-icon {
  transform: rotate(90deg);
  color: var(--accent-cyan);
}

.log-time {
  color: #888888;
  flex-shrink: 0;
  font-size: 11px;
}

.log-method {
  font-weight: 600;
  flex-shrink: 0;
}

.log-method.GET { color: var(--accent-cyan); }
.log-method.POST { color: #50e3c2; }
.log-method.PUT { color: #f5a623; }
.log-method.PATCH { color: #7928ca; }
.log-method.DELETE { color: var(--accent-coral); }

.log-status-200, .log-status-201 { color: #50e3c2; }
.log-status-308 { color: var(--accent-cyan); }
.log-status-400, .log-status-401, .log-status-404 { color: var(--accent-coral); }
.log-status-500 { color: #ff0080; font-weight: bold; }

.log-text {
  color: #e5e7eb;
  word-break: break-all;
}

.log-detail-pane {
  display: none;
  background: #0d1117;
  border-left: 2px solid var(--accent-cyan);
  margin: 2px 0 6px 20px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  color: #c9d1d9;
}

.log-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: #8b949e;
  margin-bottom: 4px;
}

.log-detail-meta strong {
  color: #58a6ff;
  font-weight: 500;
}

.log-detail-raw code {
  color: #e5e7eb;
  word-break: break-all;
  font-family: var(--font-mono);
}

.log-detail-section {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.log-section-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  font-weight: 600;
}

.log-code-block {
  background: #06090e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #e5e7eb;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 160px;
  overflow-y: auto;
}

.log-row.expanded .log-detail-pane {
  display: block;
  animation: fadeIn 0.15s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-2px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Charts / SVG Bars */
.chart-container {
  padding: 12px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bar-chart-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
}

.bar-date {
  width: 80px;
  font-family: var(--font-mono);
  color: var(--ink-muted);
  flex-shrink: 0;
}

.bar-track {
  flex: 1;
  height: 24px;
  background: var(--canvas-soft-2);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  border: 1px solid var(--hairline);
}

.bar-segment {
  height: 100%;
  transition: width 0.3s ease;
}

.bar-patches {
  background: var(--accent-coral);
}

.bar-count {
  width: 48px;
  text-align: right;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink);
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  max-width: 460px;
  width: 100%;
  background: var(--canvas);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  padding: 24px;
  transform: scale(0.95) translateY(8px);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.modal-title {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--ink);
}

.modal-desc {
  font-size: 13px;
  color: var(--ink-secondary);
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--ink);
  box-shadow: var(--shadow-level-3);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 260px;
  will-change: transform, opacity;
}

.toast.success { border-left: 3px solid var(--accent-cyan); }
.toast.error { border-left: 3px solid var(--accent-coral); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
  .navbar { padding: 0 16px; }
  .container { padding: 20px 16px 40px; }
  .stat-grid { grid-template-columns: 1fr; }
  .apps-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 24px; margin: 16px; }
  .stat-card { padding: 14px 16px; }
  .app-card { padding: 16px; }
  .btn { min-height: 44px; }
  .nav-btn { min-height: 44px; padding: 8px 12px; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .apps-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Skeleton Loaders */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--canvas-soft-2) 25%, var(--canvas-soft) 50%, var(--canvas-soft-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite ease-in-out;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 12px;
  margin-bottom: 8px;
}

.skeleton-text-lg {
  height: 24px;
  width: 60%;
  margin-bottom: 8px;
}

.skeleton-card {
  height: 120px;
  border-radius: var(--radius-md);
}

/* View Transitions */
.view-exit {
  animation: fadeOut 0.12s ease-out forwards;
}

.view-enter {
  animation: fadeIn 0.2s ease-out forwards;
}

@keyframes fadeOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-4px); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 40px;
  border: 1px dashed var(--hairline);
  border-radius: var(--radius-md);
  color: var(--ink-muted);
  background: var(--canvas-soft);
}

.empty-state code {
  background: var(--canvas-soft-2);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 12px;
}

/* Build Trace Detail Panel */
.trace-toggle {
  cursor: pointer;
  user-select: none;
}
.trace-toggle:hover {
  opacity: 0.7;
}
.trace-chevron {
  transition: transform 0.15s ease;
  flex-shrink: 0;
}
.trace-row.expanded .trace-chevron {
  transform: rotate(90deg);
}
.trace-detail-row {
  display: none;
}
.trace-row.expanded + .trace-detail-row {
  display: table-row;
}
.trace-detail-cell {
  padding: 0 24px 20px 24px;
  background: var(--canvas-soft);
  border-bottom: 1px solid var(--hairline);
}
.trace-detail-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  padding-top: 16px;
}
.trace-section {
  background: var(--canvas-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}
.trace-section-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 600;
  margin-bottom: 10px;
}
.trace-metric {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 3px 0;
  font-size: 12px;
}
.trace-metric-label {
  color: var(--ink-secondary);
}
.trace-metric-value {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink);
}
.trace-metric-value.highlight {
  color: var(--accent-cyan);
}
.trace-bar-container {
  margin-top: 6px;
}
.trace-bar-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  font-size: 11px;
}
.trace-bar-label {
  width: 120px;
  flex-shrink: 0;
  color: var(--ink-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.trace-bar-track {
  flex: 1;
  height: 6px;
  background: var(--canvas-soft-2);
  border-radius: 3px;
  overflow: hidden;
}
.trace-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--accent-cyan);
  min-width: 2px;
}
.trace-bar-fill.coral {
  background: var(--accent-coral);
}
.trace-bar-value {
  width: 60px;
  flex-shrink: 0;
  text-align: right;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink);
}

/* Line Chart */
.line-chart-container {
  padding: 16px 0 0;
  position: relative;
}
.line-chart-svg {
  width: 100%;
  overflow: visible;
}

/* Stacked Bar Chart */
.stacked-bar-patch {
  fill: var(--accent-coral);
  transition: opacity 0.15s;
}
.stacked-bar-patch:hover {
  opacity: 0.8;
}
.line-chart-grid line {
  stroke: var(--hairline);
  stroke-width: 1;
}
.line-chart-axis {
  font-family: var(--font-mono);
  font-size: xx-small;
  fill: var(--ink-faint);
  text-anchor: middle;
}
.line-chart-dot {
  transition: r 0.15s ease;
  cursor: pointer;
}
.line-chart-dot:hover {
  r: 5;
}
.line-chart-tooltip {
  position: absolute;
  background: var(--ink);
  color: var(--on-primary);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  pointer-events: none;
  white-space: nowrap;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.line-chart-tooltip.visible {
  opacity: 1;
}

/* Date Range Selector */
.date-range-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 2px;
}
.date-range-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  font-weight: 500;
}
.date-range-btn:hover {
  color: var(--ink);
  background: var(--canvas-card);
}
.date-range-btn.active {
  background: var(--ink);
  color: var(--on-primary);
}
.date-range-custom {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 6px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  background: var(--canvas-card);
  color: var(--ink);
  cursor: pointer;
  width: 110px;
  min-width: 110px;
  flex-shrink: 0;
}
.date-range-custom::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.5;
}

/* Release Row Expand Button */
.toggle-patches-btn {
  background: transparent;
  box-shadow: none;
}
.toggle-patches-btn:hover {
  background: var(--canvas-soft-2);
}

/* Release & Patch Delete Buttons */
.delete-release-btn,
.delete-patch-btn {
  background: transparent;
  border-color: transparent;
}
.delete-release-btn:hover,
.delete-patch-btn:hover {
  background: #fee2e2;
  border-color: #ee0000;
}

/* Build Trace Action Buttons */
#traces-table-container .copy-artifact-btn,
#traces-table-container .download-artifact-btn {
  color: var(--ink);
}
.trace-expand-btn {
  background: transparent;
  box-shadow: none;
}
.trace-expand-btn:hover {
  background: var(--canvas-soft-2);
}

/* Copy & Download Buttons */
.btn-icon-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  padding: 0;
}
.btn-icon-action:hover {
  background: var(--canvas-soft-2);
  color: var(--ink);
}
.btn-icon-action:active {
  transform: scale(0.92);
}
.artifact-actions {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 4px;
}

/* Action Dropdown */
.action-dropdown-wrapper {
  position: relative;
}
.action-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  min-width: 200px;
  background: var(--canvas-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  z-index: 50;
  overflow: hidden;
}
.action-dropdown.open {
  display: block;
}
.action-dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.1s;
}
.action-dropdown-item:hover {
  background: rgba(0,0,0,0.04);
}

/* Focus Visible for Accessibility */
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}