/* ── Design tokens ─────────────────────────────────────────────────────────── */
:root {
  --bg:          #0b0d12;
  --surface:     #111520;
  --surface-2:   #181d2a;
  --surface-3:   #1f2537;
  --border:      #242c40;
  --border-2:    #1a2030;

  --text:        #e8eaf0;
  --muted:       #7a8399;
  --dim:         #424d65;

  --blue:        #4a90d9;
  --blue-dim:    rgba(74,144,217,0.12);
  --blue-border: rgba(74,144,217,0.30);

  --green:       #3dd68c;
  --green-dim:   rgba(61,214,140,0.10);
  --green-mid:   rgba(61,214,140,0.22);
  --green-border:rgba(61,214,140,0.35);

  --amber:       #f5a623;
  --amber-dim:   rgba(245,166,35,0.10);
  --amber-border:rgba(245,166,35,0.35);

  --red:         #e05c5c;
  --red-dim:     rgba(224,92,92,0.10);
  --red-border:  rgba(224,92,92,0.35);

  --radius:    10px;
  --radius-sm:  6px;
  --shadow:    0 2px 16px rgba(0,0,0,0.45);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.70);

  --sidebar: 310px;
  --gap:     1.1rem;
}

/* ── Reset ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Header ────────────────────────────────────────────────────────────────── */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 200;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1640px;
  margin: 0 auto;
}

.site-header h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text);
}

.subtitle {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 2px;
}

.model-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  color: var(--blue);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── App body grid ─────────────────────────────────────────────────────────── */
.app-body {
  display: grid;
  grid-template-columns: var(--sidebar) 1fr;
  gap: var(--gap);
  padding: var(--gap);
  max-width: 1640px;
  margin: 0 auto;
  align-items: start;
}

/* ── Sidebar ───────────────────────────────────────────────────────────────── */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  position: sticky;
  top: calc(50px + var(--gap));
  max-height: calc(100vh - 70px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}

.card-header h2, .card-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-title {
  margin-bottom: 0.75rem;
}

.analytics-note {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0;
}

/* ── Settings cards (collapsible) ─────────────────────────────────────────── */
.settings-card {
  padding: 0;
  background: transparent;
}

.settings-card summary {
  padding: 0.7rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
  border-radius: var(--radius);
  transition: background 0.15s, color 0.15s;
}

.settings-card summary::-webkit-details-marker { display: none; }

.settings-card summary::before {
  content: "▶";
  font-size: 0.55rem;
  display: inline-block;
  transition: transform 0.2s;
  color: var(--dim);
}

.settings-card[open] summary::before { transform: rotate(90deg); }
.settings-card[open] summary { color: var(--text); border-radius: var(--radius) var(--radius) 0 0; }
.settings-card summary:hover { background: var(--surface-2); color: var(--text); }

.settings-body {
  padding: 0.1rem 1rem 0.9rem;
}

.settings-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

.settings-section-label.mt { margin-top: 0.9rem; }

.param-note {
  font-size: 0.71rem;
  color: var(--dim);
  margin-top: 0.6rem;
  line-height: 1.45;
}

.optional { font-weight: 400; color: var(--dim); font-size: 0.85em; }

/* ── Param table ───────────────────────────────────────────────────────────── */
.param-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.83rem;
}

.param-table th {
  text-align: left;
  padding: 0.2rem 0.3rem;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.param-table td { padding: 0.25rem 0.3rem; vertical-align: middle; }
.param-table td:first-child { color: var(--muted); width: 46%; }
.param-table td.dflt { color: var(--dim); font-size: 0.76rem; text-align: right; }

.param-table input {
  width: 100%;
  padding: 0.28rem 0.45rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  font-size: 0.83rem;
  transition: border-color 0.15s;
}

.param-table input:focus { outline: none; border-color: var(--blue); }

/* ── Regimen list ──────────────────────────────────────────────────────────── */
#regimen-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.regimen-item {
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.7rem 0.55rem 0.95rem;
  overflow: hidden;
  transition: opacity 0.2s;
}

.regimen-item.faded { opacity: 0.38; }

.regimen-stripe {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.regimen-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.regimen-name {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 0.87rem;
  font-weight: 600;
  padding: 0;
  min-width: 0;
}

.regimen-name:focus { outline: none; text-decoration: underline dotted var(--dim); }

.regimen-actions { display: flex; gap: 0.25rem; flex-shrink: 0; }

.regimen-detail {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 0.25rem;
  line-height: 1.5;
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn-add {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.28rem 0.65rem;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  color: var(--blue);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.btn-add:hover { background: rgba(74,144,217,0.22); }

.btn-micro {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.18rem 0.45rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-micro:hover            { border-color: var(--dim); color: var(--text); }
.btn-micro.danger:hover     { border-color: var(--red); color: var(--red); }
.btn-micro.active-toggle    { border-color: var(--green-border); color: var(--green); }
.btn-micro.active-toggle:hover { background: var(--green-dim); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-primary  { background: var(--blue); color: #fff; }
.btn-primary:hover  { background: #3b7dc8; }

.btn-secondary {
  background: var(--surface-3);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--blue); color: var(--blue); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}
.btn-ghost:hover { color: var(--text); border-color: var(--dim); }

.w-full { width: 100%; }

/* ── Main content ──────────────────────────────────────────────────────────── */
.main-content {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  min-width: 0;
}

.chart-card { padding: 1rem; }

.chart-wrap {
  position: relative;
  height: 460px;
}

/* ── Stats table ───────────────────────────────────────────────────────────── */
.table-scroll { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  min-width: 680px;
}

.data-table th {
  padding: 0.45rem 0.7rem;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.01);
  white-space: nowrap;
}

.data-table td {
  padding: 0.5rem 0.7rem;
  border-bottom: 1px solid var(--border-2);
  vertical-align: middle;
}

.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: rgba(255,255,255,0.018); }

.th-sub   { color: var(--amber) !important; }
.th-in    { color: var(--green) !important; }
.th-over  { color: var(--red)   !important; }

/* ── Badges ────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.badge-neutral {
  background: rgba(255,255,255,0.05);
  color: var(--muted);
  border: 1px solid var(--border);
}

.badge-sub {
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid var(--amber-border);
}

.badge-in {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid var(--green-border);
}

.badge-over {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid var(--red-border);
}

.badge-personal {
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid var(--amber-border);
}

/* ── Disclaimer ────────────────────────────────────────────────────────────── */
.disclaimer {
  font-size: 0.74rem;
  color: var(--dim);
  line-height: 1.65;
  padding: 0.7rem 1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
}

.disclaimer strong { color: var(--muted); }

/* ── Modal ─────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 1rem;
}

.modal-overlay.hidden { display: none; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 { font-size: 1rem; font-weight: 700; }

.close-btn {
  width: 28px; height: 28px;
  border: none; background: transparent;
  color: var(--muted); font-size: 1.35rem;
  cursor: pointer; border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  line-height: 1; transition: all 0.15s;
}
.close-btn:hover { color: var(--text); background: var(--surface-2); }

.modal-body {
  padding: 1.1rem 1.2rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  padding: 0.8rem 1.2rem;
  border-top: 1px solid var(--border);
}

/* ── Modal form ────────────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 0.8rem;
}

.form-group label {
  display: block;
  font-size: 0.73rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.48rem 0.7rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus { outline: none; border-color: var(--blue); }

.section-heading {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0.3rem 0 0.5rem;
}

/* Component list */
.component-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}

.empty-hint {
  font-size: 0.82rem;
  color: var(--dim);
  font-style: italic;
  padding: 0.35rem 0;
}

.component-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.7rem;
  gap: 0.5rem;
}

.component-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.comp-tag {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.12rem 0.38rem;
  border-radius: 4px;
  background: var(--blue-dim);
  color: var(--blue);
  border: 1px solid var(--blue-border);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Add box */
.add-box {
  background: var(--surface-2);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
}

.add-box-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.7rem;
}

/* Med type grid */
.med-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  margin-bottom: 0.8rem;
}

.med-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.5rem 0.65rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
}

.med-btn:hover { border-color: var(--blue); }
.med-btn.active { border-color: var(--blue); background: var(--blue-dim); }

.med-abbr {
  display: block;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
}

.med-btn.active .med-abbr { color: var(--blue); }

.med-full {
  display: block;
  font-size: 0.67rem;
  color: var(--muted);
  margin-top: 1px;
  line-height: 1.3;
}

/* Add row */
.add-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-bottom: 0.65rem;
}

/* Chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: 0.35rem;
}

.chip {
  padding: 0.12rem 0.45rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}

.chip:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-dim); }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 1020px) {
  :root { --sidebar: 270px; }
}

@media (max-width: 768px) {
  .app-body {
    grid-template-columns: 1fr;
    padding: 0.75rem;
  }

  .sidebar {
    position: static;
    max-height: none;
  }

  .chart-wrap { height: 300px; }

  .med-grid { grid-template-columns: 1fr 1fr; }
  .add-row  { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .site-header h1 { font-size: 1rem; }
  .subtitle { display: none; }
  .chart-wrap { height: 250px; }
}