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

/* ── Variables ─────────────────────────────────────────────────── */
:root {
  --bg:            #0f172a;
  --surface:       #1e293b;
  --surface-2:     #273549;
  --surface-3:     #334155;
  --border:        rgba(255,255,255,0.07);
  --border-strong: rgba(255,255,255,0.14);

  --primary:     #6366f1;
  --primary-lt:  #818cf8;
  --primary-dim: rgba(99,102,241,0.15);

  --success:     #22c55e;
  --success-dim: rgba(34,197,94,0.15);

  --warning:     #f59e0b;
  --warning-dim: rgba(245,158,11,0.15);

  --danger:      #ef4444;
  --danger-dim:  rgba(239,68,68,0.12);

  --info:        #38bdf8;
  --info-dim:    rgba(56,189,248,0.15);

  --accent:      #a855f7;
  --accent-dim:  rgba(168,85,247,0.15);

  --text:        #f1f5f9;
  --text-muted:  #94a3b8;
  --text-dim:    #64748b;

  --radius:    12px;
  --radius-sm: 6px;
  --gap:       20px;

  --shadow: 0 4px 24px rgba(0,0,0,0.35);
}

/* ── Base ──────────────────────────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Utilities ─────────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Buttons ───────────────────────────────────────────────────── */
button {
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 18px;
  transition: opacity .15s, transform .1s;
  white-space: nowrap;
}
button:hover  { opacity: .88; }
button:active { transform: scale(.97); }

.btn-primary {
  background: var(--primary);
  color: #fff;
  width: 100%;
  padding: 12px;
  font-size: 15px;
  margin-bottom: 8px;
}
.btn-success {
  background: var(--success);
  color: #fff;
  width: 100%;
  padding: 12px;
  font-size: 15px;
  margin-top: 8px;
}
.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border-strong);
  font-size: 13px;
  padding: 7px 14px;
}
.btn-icon {
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
  width: 34px;
  height: 34px;
  padding: 0;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Setup Overlay ─────────────────────────────────────────────── */
.setup-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: var(--gap);
}

.setup-card {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 460px;
  text-align: center;
  box-shadow: var(--shadow);
}

.setup-logo { font-size: 48px; margin-bottom: 12px; }
.setup-card h1 { font-size: 26px; font-weight: 700; margin-bottom: 6px; }
.setup-card > p { color: var(--text-muted); margin-bottom: 32px; }

.form-group { text-align: left; margin-bottom: 12px; }
.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}
.form-group input:focus,
.form-group select:focus  { border-color: var(--primary); }

.error-msg {
  background: var(--danger-dim);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: var(--radius-sm);
  color: #fca5a5;
  padding: 10px 14px;
  margin-top: 12px;
  text-align: left;
  font-size: 13px;
  line-height: 1.5;
}

/* ── Dashboard Header ──────────────────────────────────────────── */
.dash-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--gap);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-left  { display: flex; align-items: center; gap: 14px; }
.header-right { display: flex; align-items: center; gap: 10px; }

.logo { font-weight: 700; font-size: 16px; }

.form-title-badge {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--surface-2);
  border-radius: 20px;
  padding: 3px 12px;
  max-width: 360px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.last-update { font-size: 11px; color: var(--text-dim); }

/* ── Dashboard Main ────────────────────────────────────────────── */
.dash-main {
  padding: var(--gap);
  max-width: 1440px;
  margin: 0 auto;
}

/* ── KPI Cards ─────────────────────────────────────────────────── */
.kpi-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--gap);
  margin-bottom: var(--gap);
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  position: relative;
  overflow: hidden;
}
.kpi-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
}
.kpi-card.primary::after { background: var(--primary); }
.kpi-card.success::after { background: var(--success); }
.kpi-card.warning::after { background: var(--warning); }
.kpi-card.info::after    { background: var(--info); }
.kpi-card.accent::after  { background: var(--accent); }

.kpi-icon  { font-size: 22px; margin-bottom: 10px; }
.kpi-value {
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}
.kpi-card.primary .kpi-value { color: var(--primary-lt); }
.kpi-card.success .kpi-value { color: var(--success); }
.kpi-card.warning .kpi-value { color: var(--warning); }
.kpi-card.info    .kpi-value { color: var(--info); }
.kpi-card.accent  .kpi-value { color: var(--accent); }

.kpi-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
}
.kpi-sub {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
  min-height: 14px;
}
.kpi-sub.warning { color: var(--warning); }

/* ── Chart Rows ────────────────────────────────────────────────── */
.charts-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--gap);
  margin-bottom: var(--gap);
}
@media (max-width: 860px) { .charts-row { grid-template-columns: 1fr; } }

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.chart-card.full {
  margin-bottom: var(--gap);
}

.chart-card h3 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.chart-header h3 { margin-bottom: 0; }

.chart-toggle {
  display: flex;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 2px;
}
.toggle-btn {
  background: transparent;
  color: var(--text-dim);
  padding: 4px 10px;
  font-size: 11px;
  border-radius: 4px;
}
.toggle-btn.active {
  background: var(--primary);
  color: #fff;
}

/* ── Tier Table ────────────────────────────────────────────────── */
.table-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: var(--gap);
}
.table-section h3 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.table-wrapper { overflow-x: auto; }

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

th {
  text-align: left;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
}
td {
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--surface-2); }

.fill-wrap { min-width: 120px; }
.fill-bar {
  background: var(--surface-3);
  border-radius: 4px;
  height: 5px;
  margin-top: 5px;
  overflow: hidden;
}
.fill-bar-inner {
  height: 5px;
  border-radius: 4px;
}
.fill-bar-inner.low  { background: var(--danger); }
.fill-bar-inner.mid  { background: var(--warning); }
.fill-bar-inner.high { background: var(--success); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-success { background: var(--success-dim); color: var(--success); }
.badge-warning { background: var(--warning-dim); color: var(--warning); }
.badge-danger  { background: var(--danger-dim);  color: var(--danger); }
.badge-muted   { background: var(--surface-3);   color: var(--text-dim); }

/* ── Loading Overlay ───────────────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.8);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 200;
}
.spinner {
  width: 42px; height: 42px;
  border: 3px solid var(--border-strong);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay p { color: var(--text-muted); font-size: 14px; }