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

:root {
  --bg:          #0d1117;
  --surface:     #161b22;
  --surface-2:   #1c2128;
  --border:      #30363d;
  --border-soft: #21262d;
  --text:        #e6edf3;
  --muted:       #7d8590;
  --brand:       #6366f1;
  --brand-dim:   #4338ca;
  --success:     #3fb950;
  --danger:      #f85149;
  --warning:     #d29922;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.4);
  --shadow-md:   0 4px 12px rgba(0,0,0,.5);
  --shadow-lg:   0 8px 24px rgba(0,0,0,.6);
  --radius:      8px;
  --radius-lg:   12px;
  --sidebar-w:   220px;
  --transition:  .15s ease;
}

html { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  height: 100%;
  -webkit-font-smoothing: antialiased;
}

/* ── Animations ────────────────────────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(.96); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: .4; }
}

.anim-fade-up   { animation: fadeInUp .3s ease both; }
.anim-scale-in  { animation: scaleIn .25s ease both; }

/* stagger children */
.stagger > * { animation: fadeInUp .3s ease both; }
.stagger > *:nth-child(1) { animation-delay: .04s; }
.stagger > *:nth-child(2) { animation-delay: .08s; }
.stagger > *:nth-child(3) { animation-delay: .12s; }
.stagger > *:nth-child(4) { animation-delay: .16s; }

.mobile-topbar,
.sidebar-backdrop {
  display: none;
}

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

.mobile-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -.2px;
}

.mobile-menu-btn {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

/* ── Sidebar ────────────────────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  inset-block: 0;
  left: 0;
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 30;
}

.sidebar-logo {
  padding: 20px 18px 18px;
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo-icon {
  font-size: 22px;
  line-height: 1;
}

.sidebar-logo-name {
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  letter-spacing: -.2px;
}

.sidebar-logo-sub {
  font-size: 11px;
  color: var(--muted);
  margin-top: 1px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}

.nav-item:hover {
  background: var(--surface-2);
  color: var(--text);
}

.nav-item.active {
  background: rgba(99,102,241,.15);
  color: #a5b4fc;
  font-weight: 600;
}

.nav-item .nav-icon {
  font-size: 15px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 14px 14px;
  border-top: 1px solid var(--border-soft);
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 20px;
}

.status-ok    { background: rgba(63,185,80,.1);  color: #3fb950; }
.status-warn  { background: rgba(210,153,34,.1); color: #d29922; }

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse-dot 2s ease infinite;
  flex-shrink: 0;
}

/* ── Main layout ───────────────────────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-body {
  padding: 32px 36px;
  flex: 1;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.3px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  transition: box-shadow var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-sm);
}

.card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  transition: box-shadow var(--transition), transform var(--transition);
}

.person-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--muted);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.person-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ── Metric cards ──────────────────────────────────────────────────────────── */
.metric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.metric-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.metric-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
  margin-bottom: 8px;
}

.metric-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  letter-spacing: -.5px;
}

.metric-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 5px;
}

.stat-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
  margin-bottom: 3px;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.3px;
}

/* ── Avatars ────────────────────────────────────────────────────────────────── */
.avatar {
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  flex-shrink: 0;
}

.avatar-xs  { width: 22px;  height: 22px;  }
.avatar-sm  { width: 28px;  height: 28px;  }
.avatar-md  { width: 36px;  height: 36px;  }
.avatar-lg  { width: 48px;  height: 48px;  }

.avatar-ring {
  box-shadow: 0 0 0 2px var(--surface), 0 0 0 3px var(--border);
}

/* ── Badges ─────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
  letter-spacing: .02em;
  white-space: nowrap;
}

.badge-red    { background: rgba(248,81,73,.12);  color: #f85149; border: 1px solid rgba(248,81,73,.25); }
.badge-green  { background: rgba(63,185,80,.12);  color: #3fb950; border: 1px solid rgba(63,185,80,.25); }
.badge-gray   { background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }
.badge-blue   { background: rgba(88,166,255,.1);  color: #58a6ff; border: 1px solid rgba(88,166,255,.2); }
.badge-purple { background: rgba(163,113,247,.1); color: #a371f7; border: 1px solid rgba(163,113,247,.2); }
.badge-amber  { background: rgba(210,153,34,.1);  color: #e3b341; border: 1px solid rgba(210,153,34,.2); }

/* ── Forms ──────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 14px; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.form-input,
.form-select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 12px;
  font-size: 13px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  font-family: inherit;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(99,102,241,.18);
}

.form-input::placeholder { color: var(--muted); opacity: .6; }

textarea.form-input { resize: vertical; min-height: 60px; }

/* ── Buttons ────────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 18px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  font-family: inherit;
  letter-spacing: .01em;
}

.btn-primary:hover  {
  background: var(--brand-dim);
  box-shadow: 0 4px 12px rgba(99,102,241,.4);
}
.btn-primary:active { transform: scale(.97); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--surface-2);
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  padding: 8px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
  font-family: inherit;
}

.btn-secondary:hover { background: var(--border); color: var(--text); }

.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(248,81,73,.1);
  color: #f85149;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(248,81,73,.25);
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition);
  font-family: inherit;
}

.btn-danger:hover { background: rgba(248,81,73,.2); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--muted);
  border: none;
  cursor: pointer;
  transition: color var(--transition);
  font-family: inherit;
  padding: 2px 4px;
  border-radius: 4px;
}

.btn-ghost:hover { color: var(--danger); }

/* ── Tables ─────────────────────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  border-bottom: 1px solid var(--border);
}

.data-table th.r { text-align: right; }
.data-table th.c { text-align: center; }

.data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background var(--transition);
}

.data-table tbody tr:hover {
  background: rgba(255,255,255,.02);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tfoot td {
  border-top: 1px solid var(--border);
  padding: 10px 14px;
  font-weight: 600;
}

/* ── Flash messages ─────────────────────────────────────────────────────────── */
.flash-wrap {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 320px;
}

.flash-msg {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  box-shadow: var(--shadow-lg);
  animation: slideInRight .25s ease both;
  transition: opacity .3s ease, transform .3s ease;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.flash-success { background: #0d2618; border-color: rgba(63,185,80,.3); color: #3fb950; }
.flash-error   { background: #2d0f0e; border-color: rgba(248,81,73,.3); color: #f85149; }
.flash-info    { background: #131c2e; border-color: rgba(88,166,255,.3); color: #58a6ff; }

/* ── Dividers ───────────────────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border-soft);
  margin: 14px 0;
}

/* ── Section headers ────────────────────────────────────────────────────────── */
.section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Availability box ───────────────────────────────────────────────────────── */
.avail-box {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 12px;
  border: 1px solid;
}

.avail-ok  { background: rgba(63,185,80,.08);  border-color: rgba(63,185,80,.2);  color: #3fb950; }
.avail-out { background: rgba(248,81,73,.08);  border-color: rgba(248,81,73,.2);  color: #f85149; }
.avail-mid { background: rgba(210,153,34,.08); border-color: rgba(210,153,34,.2); color: #d29922; }

/* ── Total preview box ──────────────────────────────────────────────────────── */
.total-box {
  padding: 10px 14px;
  border-radius: var(--radius);
  background: rgba(99,102,241,.08);
  border: 1px solid rgba(99,102,241,.2);
  font-size: 13px;
  color: #a5b4fc;
  margin-bottom: 12px;
}

/* ── Scrollbar ──────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ── Details/Summary ────────────────────────────────────────────────────────── */
details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }

/* ── Config sections ────────────────────────────────────────────────────────── */
.config-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
}

.config-section-header {
  padding: 14px 20px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border-soft);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.config-section-body {
  padding: 20px;
}

.config-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.config-row.cols-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.config-row:last-child { margin-bottom: 0; }

/* ── Suggestion chip ────────────────────────────────────────────────────────── */
.suggestion-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(210,153,34,.1);
  border: 1px solid rgba(210,153,34,.2);
  border-radius: 20px;
  padding: 4px 10px;
  font-size: 12px;
  color: #e3b341;
  cursor: pointer;
  transition: background var(--transition);
}

.suggestion-chip:hover { background: rgba(210,153,34,.2); }

/* ── Mono ───────────────────────────────────────────────────────────────────── */
.mono { font-family: "SF Mono", "Fira Code", monospace; }

/* ── Utility ────────────────────────────────────────────────────────────────── */
.text-muted { color: var(--muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-brand { color: var(--brand); }
.w-full { width: 100%; }

@media (max-width: 1023px) {
  body.sidebar-open { overflow: hidden; }

  .mobile-topbar {
    position: sticky;
    top: 0;
    z-index: 45;
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 56px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-soft);
    background: rgba(13,17,23,.92);
    backdrop-filter: blur(8px);
  }

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(0,0,0,.45);
  }

  body.sidebar-open .sidebar-backdrop { display: block; }

  .sidebar {
    width: min(84vw, 300px);
    z-index: 50;
    transform: translateX(-110%);
    transition: transform .22s ease;
    box-shadow: var(--shadow-lg);
  }

  body.sidebar-open .sidebar { transform: translateX(0); }

  .main {
    margin-left: 0;
    min-height: calc(100vh - 56px);
  }

  .page-body {
    padding: 16px 14px 22px;
  }

  .page-title {
    font-size: 18px;
    margin-bottom: 16px;
    gap: 8px;
  }

  .card,
  .metric-card,
  .person-card {
    padding: 14px;
    border-radius: 10px;
  }

  .metric-value { font-size: 24px; }
  .stat-value { font-size: 20px; }

  .data-table th {
    padding: 8px 10px;
    font-size: 10px;
  }

  .data-table td {
    padding: 9px 10px;
    font-size: 12px;
  }

  .flash-wrap {
    top: 64px;
    left: 12px;
    right: 12px;
    width: auto;
  }

  .config-row,
  .config-row.cols-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section-title { font-size: 12px; }
  .form-label { font-size: 11px; }
}