/* ──────────────────────────────────────────────
   Self-hosted fonts (variable WOFF2)
   ────────────────────────────────────────────── */
@font-face {
  font-family: 'Inter';
  src: url('/admin/static/fonts/inter-variable.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/admin/static/fonts/jetbrains-mono-variable.woff2') format('woff2-variations');
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

/* ──────────────────────────────────────────────
   Design Tokens
   ────────────────────────────────────────────── */
:root {
  /* Colors */
  --bg-base:        #0d0f14;
  --bg-surface:     #12151c;
  --bg-elevated:    #181c26;
  --bg-card:        rgba(24, 28, 38, 0.8);
  --bg-card-hover:  rgba(30, 35, 48, 0.9);
  --bg-input:       rgba(255,255,255,0.04);
  --bg-input-focus: rgba(255,255,255,0.07);

  --border:         rgba(255,255,255,0.07);
  --border-focus:   rgba(99,179,237,0.5);
  --border-strong:  rgba(255,255,255,0.12);

  --text-primary:   #e8eaf0;
  --text-secondary: #8b93a8;
  --text-muted:     #545d72;
  --text-accent:    #63b3ed;

  --accent:         #4f8ef7;
  --accent-glow:    rgba(79,142,247,0.35);
  --accent-dim:     rgba(79,142,247,0.15);
  --accent-hover:   #3b7de8;

  --success:        #48bb78;
  --success-dim:    rgba(72,187,120,0.15);
  --danger:         #fc8181;
  --danger-dim:     rgba(252,129,129,0.15);
  --warning:        #f6ad55;
  --warning-dim:    rgba(246,173,85,0.15);

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #4f8ef7 0%, #7c5df7 100%);
  --gradient-card:  linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);

  /* Geometry */
  --radius-sm:  10px;
  --radius-md:  16px;
  --radius-lg:  22px;
  --radius-xl:  28px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:  0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg:  0 24px 64px rgba(0,0,0,0.6);
  --shadow-accent: 0 0 24px rgba(79,142,247,0.2);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 0.12s;
  --dur-normal: 0.22s;
  --dur-slow: 0.38s;
}

* {
  box-sizing: border-box;
}

/* ──────────────────────────────────────────────
   Reset & Base
   ────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: var(--bg-base);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(79,142,247,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(124,93,247,0.07) 0%, transparent 55%);
  color: var(--text-primary);
  font: 15px/1.65 'Inter', 'PingFang SC', 'Hiragino Sans GB', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ──────────────────────────────────────────────
   Scrollbar
   ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.18); }

/* ──────────────────────────────────────────────
   Layout
   ────────────────────────────────────────────── */
.page { min-height: 100vh; }

.shell {
  width: min(1160px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

.shell-narrow {
  width: min(880px, calc(100vw - 40px));
}

.auth-shell {
  width: min(100vw - 40px, 100%);
  margin: 0 auto;
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 32px 0;
}

/* ──────────────────────────────────────────────
   Topbar
   ────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  padding: 14px 20px;
  background: rgba(24, 28, 38, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 12px;
  z-index: 100;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient-brand);
  display: grid;
  place-items: center;
  font-size: 18px;
  box-shadow: var(--shadow-accent);
  flex-shrink: 0;
}

.topbar h1 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

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

.eyebrow {
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ──────────────────────────────────────────────
   Grid
   ────────────────────────────────────────────── */
.grid,
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

/* ──────────────────────────────────────────────
   Panels / Cards
   ────────────────────────────────────────────── */
.panel {
  background: rgba(24, 28, 38, 0.8);
  background-image: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  padding: 24px;
  margin-bottom: 20px;
  transition: box-shadow 0.22s var(--ease), border-color 0.22s var(--ease);
  animation: cardIn 0.38s var(--ease) both;
}

.panel:hover {
  border-color: rgba(255,255,255,0.11);
  box-shadow: var(--shadow-lg);
}

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

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.panel-header-info { display: grid; gap: 4px; }

.panel h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin: 0;
}

.panel-desc {
  color: var(--text-secondary);
  font-size: 13px;
  margin: 0;
}

/* ──────────────────────────────────────────────
   Auth Card
   ────────────────────────────────────────────── */
.auth-card {
  width: min(460px, 100%);
  background: rgba(24, 28, 38, 0.9);
  background-image: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  padding: 40px;
  animation: authCardIn 0.5s var(--ease) both;
}

@keyframes authCardIn {
  from { opacity: 0; transform: translateY(24px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.auth-logo-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--gradient-brand);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(79,142,247,0.4);
  font-size: 24px;
  flex-shrink: 0;
}

.auth-logo-text .eyebrow { margin-bottom: 2px; }
.auth-logo-text h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.auth-subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 28px;
  line-height: 1.5;
}

/* ──────────────────────────────────────────────
   Buttons
   ────────────────────────────────────────────── */
button,
.text-button {
  font: 500 14px/1 'Inter', sans-serif;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 9px 18px;
  cursor: pointer;
  transition: transform 0.12s var(--ease), box-shadow 0.22s var(--ease), background 0.12s var(--ease);
  white-space: nowrap;
}

button:active { transform: scale(0.97); }

.primary-button {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 16px rgba(79,142,247,0.3);
}

.primary-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(79,142,247,0.45);
}

.secondary-button {
  background: rgba(255,255,255,0.07);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.secondary-button:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-1px);
}

.ghost-button {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  font-size: 13px;
  padding: 7px 14px;
}

.ghost-button:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.danger-button {
  background: var(--danger-dim);
  color: var(--danger);
  border: 1px solid rgba(252,129,129,0.15);
  font-size: 13px;
  padding: 6px 14px;
}

.danger-button:hover {
  background: rgba(252,129,129,0.25);
  transform: translateY(-1px);
}

/* ──────────────────────────────────────────────
   Forms
   ────────────────────────────────────────────── */
.stack-form {
  display: grid;
  gap: 16px;
}

.form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 7px;
}

.field > span {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.field-hint {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.field-warning { color: var(--warning); }

.field-wide,
.form-actions { grid-column: 1 / -1; }

.form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 8px;
}

input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 14px;
  font: 14px/1.5 'Inter', sans-serif;
  outline: none;
  transition: background 0.12s var(--ease), border-color 0.12s var(--ease), box-shadow 0.12s var(--ease);
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus {
  background: rgba(255,255,255,0.07);
  border-color: rgba(99,179,237,0.5);
  box-shadow: 0 0 0 3px rgba(99,179,237,0.12);
}

input::placeholder, textarea::placeholder { color: var(--text-muted); }

textarea {
  resize: vertical;
  min-height: 100px;
}

/* ──────────────────────────────────────────────
   Upload Zone
   ────────────────────────────────────────────── */
.upload-zone {
  position: relative;
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
  background: rgba(255,255,255,0.02);
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent);
  background: rgba(79,142,247,0.07);
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
  z-index: 2;
}

.upload-zone-icon {
  font-size: 36px;
  display: block;
  margin-bottom: 10px;
  opacity: 0.6;
}

.upload-zone-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.upload-zone-sub {
  font-size: 12px;
  color: var(--text-secondary);
}

.upload-file-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.upload-file-item {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(79,142,247,0.1);
  border: 1px solid rgba(79,142,247,0.2);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.upload-file-item-name {
  flex: 1;
  min-width: 0;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.upload-file-item-size {
  color: var(--text-secondary);
  font-size: 12px;
  flex-shrink: 0;
}

.upload-file-item-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-width: 0;
}

/* ── Upload progress bars ── */
.upload-progress-track {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
  overflow: hidden;
  opacity: 0;
  transform: scaleY(0);
  transform-origin: top;
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease);
}

.upload-progress-track.active {
  opacity: 1;
  transform: scaleY(1);
}

.upload-progress-fill {
  height: 100%;
  width: 0;
  border-radius: 4px;
  background: var(--gradient-brand);
  background-size: 200% 100%;
  animation: progressShimmer 1.5s ease-in-out infinite;
  transition: width 0.18s var(--ease);
  position: relative;
}

.upload-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255,255,255,0.3),
    transparent
  );
  animation: progressGlint 1.8s ease-in-out infinite;
}

@keyframes progressShimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes progressGlint {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Per-file upload states */
.upload-file-item {
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.upload-file-item.upload-active {
  background: rgba(79,142,247,0.14);
  border-color: rgba(79,142,247,0.3);
}

.upload-file-item.upload-done {
  background: rgba(72,187,120,0.12);
  border-color: rgba(72,187,120,0.25);
}

.upload-file-item.upload-done .upload-file-item-name {
  color: var(--success);
}

.upload-file-item.upload-done .upload-progress-fill {
  background: var(--success);
  animation: none;
}

.upload-file-item.upload-done .upload-progress-fill::after {
  animation: none;
  background: none;
}

/* ── Button upload progress ── */
.primary-button.uploading {
  pointer-events: none;
  opacity: 0.95;
  position: relative;
}

.btn-upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.btn-upload-label {
  font-size: 14px;
  font-weight: 500;
}

.btn-upload-bar {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
  overflow: hidden;
}

.btn-upload-bar-fill {
  height: 100%;
  width: 0;
  border-radius: 4px;
  background: rgba(255,255,255,0.85);
  transition: width 0.18s var(--ease);
  box-shadow: 0 0 12px rgba(255,255,255,0.3);
}

/* ──────────────────────────────────────────────
   File picker (inline)
   ────────────────────────────────────────────── */
.file-picker-inline {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ──────────────────────────────────────────────
   Alerts
   ────────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 20px;
  animation: alertSlideIn 0.3s var(--ease) both;
}

@keyframes alertSlideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.alert-success {
  background: rgba(72,187,120,0.12);
  color: var(--success);
  border: 1px solid rgba(72,187,120,0.2);
}

.alert-error {
  background: rgba(252,129,129,0.12);
  color: var(--danger);
  border: 1px solid rgba(252,129,129,0.2);
}

/* ──────────────────────────────────────────────
   Status
   ────────────────────────────────────────────── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
}

.status-badge-success {
  background: rgba(72,187,120,0.15);
  color: var(--success);
  border: 1px solid rgba(72,187,120,0.2);
}

.status-badge-error {
  background: rgba(252,129,129,0.15);
  color: var(--danger);
  border: 1px solid rgba(252,129,129,0.2);
}

.status-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.status-list {
  display: grid;
  gap: 1px;
  margin: 16px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.status-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.02);
}

.status-row:not(:last-child) { border-bottom: 1px solid var(--border); }

.status-row-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  min-width: 80px;
  padding-top: 1px;
}

.status-row-value {
  font-size: 13px;
  color: var(--text-primary);
}

.status-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* ──────────────────────────────────────────────
   Table
   ────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

table { width: 100%; border-collapse: collapse; }

thead tr { background: rgba(255,255,255,0.02); }

th {
  padding: 12px 16px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 13px 16px;
  font-size: 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}

tbody tr { transition: background 0.12s var(--ease); }
tbody tr:hover { background: rgba(255,255,255,0.025); }
tbody tr:last-child td { border-bottom: 0; }

.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text-accent);
}

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

.td-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
}

.actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

/* ──────────────────────────────────────────────
   Text links
   ────────────────────────────────────────────── */
.text-link {
  color: var(--text-accent);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: opacity 0.12s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.text-link:hover { opacity: 0.75; }

/* ──────────────────────────────────────────────
   Icon preview
   ────────────────────────────────────────────── */
.icon-box {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
}

.repo-icon-preview {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.repo-icon-fallback {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  padding: 10px;
  border-radius: 20px;
  background: rgba(252,129,129,0.1);
  color: var(--danger);
  text-align: center;
  font-size: 11px;
  line-height: 1.4;
}

.icon-actions { display: grid; gap: 10px; }

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  user-select: none;
}

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

.checkbox-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

/* ──────────────────────────────────────────────
   Nav card (Release link)
   ────────────────────────────────────────────── */
.nav-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: background 0.12s var(--ease), border-color 0.12s var(--ease);
}

.nav-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--border-strong);
}

.nav-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(79,142,247,0.12);
  border: 1px solid rgba(79,142,247,0.2);
  display: grid;
  place-items: center;
  font-size: 18px;
  flex-shrink: 0;
}

.nav-card-body { flex: 1; }

.nav-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.nav-card-sub {
  font-size: 12px;
  color: var(--text-secondary);
}

.nav-card-arrow { color: var(--text-muted); }

/* ──────────────────────────────────────────────
   Empty state
   ────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 40px;
  margin-bottom: 12px;
  display: block;
  opacity: 0.4;
}

/* ──────────────────────────────────────────────
   Responsive
   ────────────────────────────────────────────── */
@media (max-width: 720px) {
  .shell, .auth-shell, .shell-narrow {
    width: calc(100vw - 24px);
    padding-top: 16px;
    padding-bottom: 40px;
  }

  .topbar {
    top: 8px;
    padding: 12px 16px;
    margin-bottom: 20px;
  }

  .topbar h1 { font-size: 15px; }
  .panel { padding: 18px 16px; }
  .auth-card { padding: 28px 20px; }
  .grid, .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }

  th:nth-child(2), td:nth-child(2),
  th:nth-child(3), td:nth-child(3) { display: none; }

  .icon-box { flex-direction: column; align-items: flex-start; }
  .file-picker-inline { flex-direction: column; align-items: flex-start; }
  .td-actions { flex-direction: column; align-items: flex-end; }
}

/* ──────────────────────────────────────────────
   Edit button (file table)
   ────────────────────────────────────────────── */
.edit-button {
  background: rgba(79,142,247,0.1);
  color: var(--text-accent);
  border: 1px solid rgba(79,142,247,0.2);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 0.12s var(--ease), transform 0.12s var(--ease);
  white-space: nowrap;
}
.edit-button:hover {
  background: rgba(79,142,247,0.22);
  transform: translateY(-1px);
}
.edit-button:active { transform: scale(0.97); }

/* ──────────────────────────────────────────────
   Modal Overlay
   ────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.28s var(--ease);
}
.modal-overlay[hidden] {
  display: none;
}
.modal-overlay.visible { opacity: 1; }

.modal {
  width: min(760px, 100%);
  max-height: calc(100vh - 40px);
  display: flex;
  flex-direction: column;
  background: rgba(18, 21, 30, 0.97);
  background-image: linear-gradient(145deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  box-shadow: 0 32px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(79,142,247,0.08);
  overflow: hidden;
  transform: translateY(24px);
  transition: transform 0.3s var(--ease);
}
.modal-overlay.visible .modal { transform: translateY(0); }

.modal-dialog {
  width: min(520px, 100%);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.modal-header h2 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin: 0;
}
.modal-filename {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
  word-break: break-all;
}
.modal-close {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 14px;
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  transition: background 0.12s var(--ease), color 0.12s var(--ease);
}
.modal-close:hover { background: rgba(252,129,129,0.15); color: var(--danger); }

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
  display: grid;
  gap: 24px;
  align-content: start;
}
.modal-loading, .modal-error {
  text-align: center;
  padding: 40px 0;
  font-size: 14px;
  color: var(--text-secondary);
}
.modal-error { color: var(--danger); }

.modal-dialog-body {
  padding-top: 20px;
  padding-bottom: 20px;
}

.modal-dialog-message {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  white-space: pre-wrap;
}

.modal-section { display: grid; gap: 14px; }
.modal-section-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.modal-section-hint {
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  font-size: 11px;
}
.modal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

/* Extra-field rows */
.extra-fields { display: grid; gap: 8px; }
.extra-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  align-items: center;
}
.btn-del-row {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(252,129,129,0.08);
  border: 1px solid rgba(252,129,129,0.15);
  color: var(--danger);
  font-size: 12px;
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: background 0.12s;
}
.btn-del-row:hover { background: rgba(252,129,129,0.2); }

/* Auto-generated section */
.modal-section-auto {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.modal-section-auto > summary {
  padding: 12px 16px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.modal-section-auto > summary::-webkit-details-marker { display: none; }
.modal-section-auto > summary::before { content: '▶'; font-size: 9px; transition: transform 0.15s; }
.modal-section-auto[open] > summary::before { transform: rotate(90deg); }
.auto-fields { display: grid; gap: 1px; border-top: 1px solid var(--border); }
.auto-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.01);
  font-size: 12px;
}
.auto-key {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
  min-width: 80px;
  flex-shrink: 0;
}
.auto-val {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-secondary);
  word-break: break-all;
}

/* Modal footer */
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 28px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.modal-footer-actions { display: flex; gap: 10px; flex-shrink: 0; }
.modal-msg {
  font-size: 13px;
  line-height: 1.4;
  flex: 1;
  min-width: 0;
}
.modal-dialog-footer {
  justify-content: flex-end;
}
.modal-msg-ok   { color: var(--success); }
.modal-msg-error { color: var(--danger); }

@media (max-width: 720px) {
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal {
    width: 100%;
    max-height: 92vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    transform: translateY(100%);
  }
  .modal-overlay.visible .modal { transform: translateY(0); }
  .modal-grid { grid-template-columns: 1fr; }
  .extra-row { grid-template-columns: 1fr auto auto; }
  .modal-body { padding: 20px 18px; }
  .modal-header { padding: 18px 18px 16px; }
  .modal-footer { padding: 14px 18px; flex-direction: column; align-items: stretch; }
  .modal-footer-actions { justify-content: flex-end; }
}