:root {
  --bg: #0a0a0a;
  --bg-1: #101013;
  --bg-2: #17171b;
  --bg-card: rgba(24, 24, 27, 0.55);
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.15);
  --text: #f5f5f5;
  --text-dim: #9a9a9a;
  --text-faint: #5a5a5a;
  --accent: #ffffff;
  --accent-soft: rgba(255, 255, 255, 0.1);
  --success: #89d18c;
  --danger: #e07a75;
  --warn: #e8c268;
  --info: #82b6ea;

  --grad: linear-gradient(135deg, #ffffff 0%, #9a9a9a 50%, #2a2a2a 100%);
  --grad-soft: linear-gradient(180deg, rgba(255,255,255,0.03), transparent);
  --grad-card: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100vh; background: var(--bg); color: var(--text); font-family: 'Inter', -apple-system, sans-serif; font-size: 14px; line-height: 1.5; -webkit-font-smoothing: antialiased; }

/* Grain & atmospheric gradients */
body::before {
  content: ''; position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.035; pointer-events: none; z-index: 9999; mix-blend-mode: overlay;
}
body::after {
  content: ''; position: fixed; top: -300px; left: -200px; width: 900px; height: 900px;
  background: radial-gradient(circle, rgba(255,255,255,0.04), transparent 60%);
  pointer-events: none; z-index: 0; filter: blur(60px);
  animation: drift 30s ease-in-out infinite;
}
@keyframes drift {
  0%,100% { transform: translate(0,0); }
  50% { transform: translate(200px, 120px); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.5} }

/* ----- Shell layout ----- */
.app { min-height: 100vh; display: grid; grid-template-rows: auto 1fr; position: relative; z-index: 1; }

.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 16px 36px; border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.7); backdrop-filter: blur(16px);
  position: sticky; top: 0; z-index: 50;
}

.brand { display: flex; align-items: baseline; gap: 8px; }
.brand-mark {
  font-family: 'Instrument Serif', serif; font-size: 30px; font-style: italic;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; line-height: 1;
}
.brand-text { font-weight: 600; font-size: 15px; letter-spacing: 0.05em; }
.brand-dim { color: var(--text-faint); font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; }

.tabs { display: flex; gap: 4px; margin-left: auto; }
.tab {
  padding: 8px 14px; font-size: 13px; color: var(--text-dim);
  border-radius: 7px; cursor: pointer; transition: all .2s;
  background: none; border: 1px solid transparent; font-family: inherit;
  display: inline-flex; align-items: center; gap: 6px;
}
.tab:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.tab.active { color: #0a0a0a; background: #f5f5f5; font-weight: 600; }
.tab-badge { font-size: 10px; padding: 1px 6px; border-radius: 99px; background: #ffffff18; color: var(--text-dim); }
.tab.active .tab-badge { background: #00000018; color: #0a0a0a; }

.topbar-right { display: flex; align-items: center; gap: 14px; margin-left: 12px; }
.me { font-size: 12px; color: var(--text-dim); display: flex; align-items: center; gap: 6px; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--success); box-shadow: 0 0 8px var(--success); animation: pulse 2s infinite; }

main { padding: 30px 36px 60px; max-width: 1400px; margin: 0 auto; width: 100%; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 28px; animation: fadeUp .5s both; }
.crumb { font-size: 10px; text-transform: uppercase; letter-spacing: 0.2em; color: var(--text-faint); margin-bottom: 8px; }
.page-title { font-family: 'Instrument Serif', serif; font-weight: 400; font-size: 40px; letter-spacing: -0.02em; line-height: 1; }
.page-title em {
  font-style: italic;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  border: 1px solid var(--border-strong); background: transparent; color: var(--text);
  padding: 9px 14px; border-radius: 7px; font-family: inherit; font-size: 12.5px; cursor: pointer;
  transition: all .2s; display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
}
.btn:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.3); }
.btn-primary { background: #f5f5f5; color: #0a0a0a; border-color: #f5f5f5; font-weight: 600; }
.btn-primary:hover { background: #ffffff; }
.btn-danger { color: var(--danger); border-color: rgba(224,122,117,0.3); }
.btn-danger:hover { background: rgba(224,122,117,0.1); }
.btn-sm { padding: 5px 10px; font-size: 11px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Panels */
.panel {
  background: var(--grad-card); border: 1px solid var(--border); border-radius: 14px;
  padding: 22px; backdrop-filter: blur(8px);
  animation: fadeUp .5s .1s both;
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.panel-title { font-family: 'Instrument Serif', serif; font-size: 22px; }
.panel-title em {
  font-style: italic;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.faint { color: var(--text-faint); }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 28px; }
.stat {
  background: var(--grad-card); border: 1px solid var(--border); border-radius: 12px; padding: 18px;
  animation: fadeUp .5s both;
}
.stat:nth-child(2){animation-delay:.05s} .stat:nth-child(3){animation-delay:.1s} .stat:nth-child(4){animation-delay:.15s}
.stat-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--text-faint); margin-bottom: 10px; }
.stat-value {
  font-family: 'Instrument Serif', serif; font-size: 42px; font-weight: 400; letter-spacing: -0.03em; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-suffix { font-size: 20px; color: var(--text-faint); margin-left: 6px; -webkit-text-fill-color: var(--text-faint); }
.stat-sub { margin-top: 10px; font-size: 12px; color: var(--text-dim); }

.row { display: grid; grid-template-columns: 2fr 1fr; gap: 12px; margin-bottom: 28px; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-weight: 500; font-size: 10px; text-transform: uppercase; letter-spacing: 0.16em; color: var(--text-faint); padding: 10px 14px; border-bottom: 1px solid var(--border); }
td { padding: 13px 14px; border-bottom: 1px solid var(--border); color: var(--text-dim); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); color: var(--text); }
td.strong { color: var(--text); font-weight: 500; }
.mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; }

/* Tags */
.tag { display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px; border-radius: 4px; font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; border: 1px solid; }
.tag-active  { background: rgba(137,209,140,0.1); color: var(--success); border-color: rgba(137,209,140,0.2); }
.tag-warn    { background: rgba(232,194,104,0.1); color: var(--warn);    border-color: rgba(232,194,104,0.2); }
.tag-expired { background: rgba(224,122,117,0.1); color: var(--danger);  border-color: rgba(224,122,117,0.2); }

/* Forms */
input, textarea, select {
  background: #0d0d10; border: 1px solid var(--border-strong); color: var(--text);
  padding: 9px 12px; border-radius: 7px; font-family: inherit; font-size: 13.5px;
  width: 100%; transition: border-color .2s, background .2s;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: rgba(255,255,255,0.4); background: #101013; }
textarea { resize: vertical; min-height: 80px; font-family: 'JetBrains Mono', monospace; font-size: 12.5px; }
label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-faint); margin-bottom: 6px; }
.field { margin-bottom: 14px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* Switch */
.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; }
.switch input { display: none; }
.switch-track { width: 36px; height: 20px; background: rgba(255,255,255,0.15); border-radius: 99px; position: relative; transition: background .2s; }
.switch-thumb { width: 16px; height: 16px; background: #fff; border-radius: 50%; position: absolute; top: 2px; left: 2px; transition: transform .2s; }
.switch input:checked + .switch-track { background: #f5f5f5; }
.switch input:checked + .switch-track .switch-thumb { transform: translateX(16px); background: #0a0a0a; }

/* Modal */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,0.75); backdrop-filter: blur(6px); z-index: 200; display: grid; place-items: center; animation: fadeUp .2s both; padding: 20px; }
.modal { width: 520px; max-width: 100%; background: var(--bg-1); border: 1px solid var(--border-strong); border-radius: 14px; padding: 26px; max-height: 90vh; overflow-y: auto; }
.modal h3 { font-family: 'Instrument Serif', serif; font-size: 24px; font-weight: 400; margin-bottom: 18px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

/* Toast */
.toast { position: fixed; top: 20px; right: 20px; z-index: 300; background: var(--bg-2); border: 1px solid var(--border-strong); border-left: 3px solid var(--text); padding: 11px 16px; border-radius: 8px; font-size: 13px; animation: fadeUp .25s both; }
.toast.error { border-left-color: var(--danger); }
.toast.success { border-left-color: var(--success); }

/* Spinner */
.spinner { width: 14px; height: 14px; border: 2px solid var(--border-strong); border-top-color: #f5f5f5; border-radius: 50%; animation: spin .8s linear infinite; display: inline-block; vertical-align: middle; }
.spinner-lg { width: 28px; height: 28px; border-width: 3px; }

/* Boot screen */
.boot { position: fixed; inset: 0; display: grid; place-items: center; gap: 20px; background: var(--bg); grid-auto-flow: row; }
.boot-logo { font-family: 'Instrument Serif', serif; font-size: 80px; font-style: italic; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.boot-logo i { font-style: italic; color: var(--text-faint); -webkit-text-fill-color: var(--text-faint); }
.boot-spinner { width: 24px; height: 24px; border: 2px solid var(--border-strong); border-top-color: #f5f5f5; border-radius: 50%; animation: spin .8s linear infinite; }

/* Login */
.login-wrap { display: grid; place-items: center; min-height: 100vh; padding: 20px; }
.login-card { width: 380px; background: var(--grad-card); border: 1px solid var(--border); border-radius: 16px; padding: 36px; backdrop-filter: blur(8px); animation: fadeUp .4s both; }
.login-card h2 { font-family: 'Instrument Serif', serif; font-size: 40px; font-weight: 400; letter-spacing: -0.02em; line-height: 1; margin-bottom: 6px; }
.login-card h2 em { font-style: italic; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.error-txt { color: var(--danger); font-size: 12px; margin-top: 10px; }

/* Screen editor */
.sb-row { display: grid; grid-template-columns: 1fr 120px 2fr 50px 70px auto; gap: 8px; align-items: center; padding: 8px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 6px; }
.sb-row input, .sb-row select { padding: 6px 9px; font-size: 12.5px; }
.sb-label { font-size: 10px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; display: block; }

/* Media tile */
.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.media-tile { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: #0d0d10; cursor: pointer; transition: all .2s; position: relative; aspect-ratio: 4/3; }
.media-tile:hover { border-color: rgba(255,255,255,0.3); transform: translateY(-2px); }
.media-tile.selected { border-color: #fff; outline: 2px solid rgba(255,255,255,0.3); }
.media-tile img { width: 100%; height: 100%; object-fit: cover; display: block; }
.media-tile .meta { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(transparent, rgba(0,0,0,0.8)); padding: 20px 8px 6px; font-size: 10px; font-family: 'JetBrains Mono', monospace; color: var(--text-dim); }

/* Responsive */
@media (max-width: 900px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .row { grid-template-columns: 1fr; }
  .tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  main { padding: 20px; }
  .page-title { font-size: 30px; }
  .topbar { padding: 12px 20px; }
}

/* Settings dropdown menu */
.settings-menu {
  background: var(--bg-1);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  z-index: 100;
  min-width: 180px;
  backdrop-filter: blur(10px);
  animation: fadeUp .15s both;
}
.settings-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 8px 12px;
  font-size: 13px;
  font-family: inherit;
  border-radius: 6px;
  cursor: pointer;
  transition: all .15s;
}
.settings-menu-item:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.settings-menu-item.active { background: rgba(255,255,255,0.1); color: var(--text); font-weight: 500; }

/* Login: show-password toggle + remember-me */
.pw-wrap {
  position: relative;
  display: flex;
  align-items: stretch;
}
.pw-wrap input { padding-right: 42px; flex: 1; }
.pw-toggle {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 0;
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  opacity: 0.6;
  transition: opacity .15s;
}
.pw-toggle:hover { opacity: 1; }

.remember-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0 14px;
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
}
.remember-row input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}