@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

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

:root {
  --bg: #F8F7F5;
  --surface: #FFFFFF;
  --surface-raised: #FFFFFF;
  --surface-sunken: #F1EFEC;
  --border: #E4E1DC;
  --border-subtle: #EDEBE8;
  --border-focus: #E54D2E;

  --text: #1A1917;
  --text-secondary: #7C7871;
  --text-tertiary: #A8A29E;
  --text-inverse: #FFFFFF;

  --accent: #E54D2E;
  --accent-hover: #D4412A;
  --accent-subtle: #FEF1EE;
  --accent-muted: #FBDBD1;

  --green: #30A46C;
  --green-subtle: #E9F9EF;
  --blue: #3E63DD;
  --blue-subtle: #EDF2FE;
  --amber: #E5A000;
  --amber-subtle: #FEF4D6;
  --red: #E5484D;
  --red-subtle: #FFEEF0;

  --radius: 10px;
  --radius-sm: 6px;
  --radius-xs: 4px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.04);

  --font-body: 'DM Sans', -apple-system, sans-serif;
  --font-display: 'DM Sans', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', monospace;

  --ease: cubic-bezier(.22, 1, .36, 1);
}

html { font-size: 15px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

/* ═══════════════════ LAYOUT ═══════════════════ */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.main { margin-left: 240px; flex: 1; min-height: 100vh; }

/* ═══════════════════ SIDEBAR ═══════════════════ */
.logo {
  padding: 28px 24px 24px;
  border-bottom: 1px solid var(--border);
}
.logo-mark {
  display: flex; align-items: center; gap: 12px;
}
.logo-dot {
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--accent-muted);
  animation: glow 3s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes glow {
  0%, 100% { box-shadow: 0 0 0 3px var(--accent-muted); }
  50% { box-shadow: 0 0 0 6px rgba(229,77,46,.12); }
}
.logo h1 {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}
.logo-sub {
  font-size: .7rem;
  color: var(--text-tertiary);
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 500;
  margin-top: 6px;
  padding-left: 22px;
}

.nav { padding: 20px 12px; flex: 1; overflow-y: auto; }
.nav-section { margin-bottom: 28px; }
.nav-section-title {
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-tertiary);
  padding: 0 12px;
  margin-bottom: 6px;
  font-weight: 600;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all .15s var(--ease);
  font-size: .88rem;
  font-weight: 500;
  margin-bottom: 1px;
  position: relative;
}
.nav-item:hover { color: var(--text); background: var(--surface-sunken); }
.nav-item.active {
  color: var(--accent);
  background: var(--accent-subtle);
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 18px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}
.nav-item .icon { font-size: 1rem; width: 22px; text-align: center; flex-shrink: 0; }
.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: var(--text-inverse);
  font-size: .6rem;
  min-width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 9px;
  font-weight: 600;
  padding: 0 5px;
}
.nav-badge:empty, .nav-badge[data-count="0"] { display: none; }

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  font-size: .72rem;
  color: var(--text-tertiary);
}

/* ═══════════════════ PAGE HEADER ═══════════════════ */
.page-header {
  padding: 32px 40px 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.page-header h2 {
  font-family: var(--font-body);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--text);
  line-height: 1.2;
}
.page-header p {
  color: var(--text-secondary);
  font-size: .85rem;
  margin-top: 4px;
  font-weight: 400;
}

.page-content { padding: 32px 40px; max-width: 1280px; }

/* ═══════════════════ CARDS ═══════════════════ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s var(--ease);
}
.card:hover { box-shadow: var(--shadow); }
.card-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
}
.card-header h3 {
  font-family: var(--font-body);
  font-size: .88rem;
  font-weight: 600;
  display: flex; align-items: center; gap: 8px;
  color: var(--text);
}
.card-body { padding: 24px; }

/* ═══════════════════ STAT CARDS ═══════════════════ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  transition: all .2s var(--ease);
  position: relative;
}
.stat-card:hover { box-shadow: var(--shadow); transform: translateY(-1px); }
.stat-label {
  font-size: .7rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
}
.stat-value {
  font-family: var(--font-body);
  font-size: 2rem;
  font-weight: 700;
  margin-top: 4px;
  letter-spacing: -.03em;
  line-height: 1.1;
  color: var(--text);
}
.stat-value.accent { color: var(--accent); }
.stat-value.green { color: var(--green); }
.stat-value.blue { color: var(--blue); }
.stat-icon {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 1.3rem;
  opacity: .25;
}

/* ═══════════════════ FORMS ═══════════════════ */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.form-group { margin-bottom: 0; }
.form-group label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: .01em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: .88rem;
  transition: all .15s var(--ease);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(229,77,46,.08);
  background: var(--surface);
}
.form-group input::placeholder { color: var(--text-tertiary); }
.form-group textarea {
  resize: vertical;
  min-height: 80px;
  font-family: var(--font-mono);
  font-size: .82rem;
}

.checkbox-group {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0; cursor: pointer;
}
.checkbox-group input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  border-radius: 3px;
}
.checkbox-group label {
  cursor: pointer; font-size: .84rem;
  margin: 0; color: var(--text-secondary);
  font-weight: 500;
}

/* ═══════════════════ BUTTONS ═══════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .84rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s var(--ease);
  white-space: nowrap;
  line-height: 1.4;
}
.btn-primary {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(229,77,46,.2);
}
.btn-danger {
  background: var(--red);
  color: var(--text-inverse);
}
.btn-danger:hover { opacity: .9; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--surface-sunken);
  color: var(--text);
  border-color: var(--border);
}
.btn-sm { padding: 6px 12px; font-size: .78rem; }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none !important; }

/* ═══════════════════ TABLES ═══════════════════ */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-tertiary);
  padding: 10px 20px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  background: var(--surface-sunken);
}
td {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: .86rem;
  vertical-align: middle;
}
tr { transition: background .1s; }
tr:hover td { background: rgba(229,77,46,.02); }
tr:last-child td { border-bottom: none; }

/* ═══════════════════ BADGES ═══════════════════ */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .02em;
}
.badge-running { background: var(--green-subtle); color: var(--green); }
.badge-stopped { background: var(--surface-sunken); color: var(--text-tertiary); }
.badge-error { background: var(--red-subtle); color: var(--red); }
.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.badge-running .badge-dot { animation: blink 2s ease-in-out infinite; }
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: .3; }
}

/* ═══════════════════ LOG CONSOLE ═══════════════════ */
.log-console {
  background: var(--surface-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: .78rem;
  max-height: 420px;
  overflow-y: auto;
  padding: 16px 20px;
  line-height: 1.8;
}
.log-line { display: flex; gap: 14px; }
.log-time { color: var(--text-tertiary); flex-shrink: 0; font-size: .72rem; margin-top: 1px; }
.log-text { color: var(--text-secondary); word-break: break-all; }
.log-text.stderr { color: var(--amber); }
.log-text.error { color: var(--red); }
.log-empty {
  color: var(--text-tertiary);
  text-align: center;
  padding: 48px 20px;
  font-family: var(--font-body);
  font-size: .88rem;
}

/* ═══════════════════ FILE BROWSER ═══════════════════ */
.file-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 24px;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: background .1s;
}
.file-item:hover { background: var(--accent-subtle); }
.file-item:last-child { border-bottom: none; }
.file-icon { font-size: 1.1rem; width: 24px; text-align: center; }
.file-name { flex: 1; font-size: .88rem; font-weight: 500; }
.file-size { color: var(--text-tertiary); font-size: .78rem; font-family: var(--font-mono); }
.file-date { color: var(--text-tertiary); font-size: .78rem; }

.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: .82rem;
  flex-wrap: wrap;
  background: var(--surface-sunken);
}
.breadcrumb a { color: var(--accent); text-decoration: none; cursor: pointer; font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: var(--text-tertiary); }

/* ═══════════════════ TOASTS ═══════════════════ */
.toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 1000;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: .84rem;
  box-shadow: var(--shadow-md);
  animation: toastIn .3s var(--ease);
  display: flex; align-items: center; gap: 10px;
  max-width: 380px;
  font-weight: 500;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.info { border-left: 3px solid var(--blue); }
@keyframes toastIn {
  from { transform: translateY(12px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ═══════════════════ EMPTY STATES ═══════════════════ */
.empty-state {
  text-align: center;
  padding: 56px 20px;
  color: var(--text-tertiary);
}
.empty-state .icon { font-size: 2.4rem; margin-bottom: 14px; opacity: .4; }
.empty-state h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 400;
}
.empty-state p { font-size: .84rem; }

/* ═══════════════════ DIVIDER ═══════════════════ */
.divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 20px 0;
}

/* ═══════════════════ SCROLLBAR ═══════════════════ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ═══════════════════ SPINNER ═══════════════════ */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hidden { display: none !important; }

/* ═══════════════════ RESPONSIVE ═══════════════════ */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform .25s var(--ease); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .page-content { padding: 24px 20px; }
  .page-header { padding: 24px 20px 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ═══════════════════ SECTION TOGGLE ═══════════════════ */
.section-toggle {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; user-select: none;
  color: var(--text-secondary); font-weight: 600; font-size: .82rem;
  padding: 0;
}

/* ═══════════════════ MODAL ═══════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn .2s var(--ease);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  width: 90vw;
  max-width: 960px;
  max-height: 90vh;
  overflow: hidden;
  animation: modalIn .25s var(--ease);
}
@keyframes modalIn {
  from { transform: scale(.96) translateY(12px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}
.modal-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 {
  font-size: .92rem;
  font-weight: 600;
}
.modal-body {
  padding: 24px;
  overflow-y: auto;
  max-height: calc(90vh - 60px);
}

.video-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 60px 20px;
  color: var(--text-secondary);
  font-size: .9rem;
}

/* ═══════════════════ EVENT TIMELINE ═══════════════════ */
.evt-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 20px;
  font-size: .82rem;
  transition: background .1s;
}
.evt-item:hover { background: var(--surface-sunken); }
.evt-item.high {
  background: var(--accent-subtle);
  border-left: 3px solid var(--accent);
}
.evt-item.high:hover { background: var(--accent-muted); }
.evt-icon { font-size: .9rem; flex-shrink: 0; width: 20px; text-align: center; margin-top: 1px; }
.evt-body { flex: 1; min-width: 0; }
.evt-category {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
  color: var(--text-tertiary);
}
.evt-item.high .evt-category { color: var(--accent); }
.evt-detail {
  color: var(--text);
  word-break: break-all;
  font-family: var(--font-mono);
  font-size: .78rem;
  margin-top: 1px;
}
.evt-time {
  font-size: .68rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  flex-shrink: 0;
  margin-top: 2px;
}
.evt-extra {
  font-size: .7rem;
  color: var(--text-tertiary);
  margin-left: 6px;
}