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

:root {
  --bg:        #0f1117;
  --bg2:       #181c27;
  --bg3:       #1e2335;
  --border:    #2a2f45;
  --text:      #e2e8f0;
  --muted:     #6b7280;
  --accent:    #6366f1;
  --accent-h:  #818cf8;
  --green:     #22c55e;
  --green-bg:  #052e16;
  --red:       #ef4444;
  --red-bg:    #2d0a0a;
  --amber:     #f59e0b;
  --amber-bg:  #2d1f00;
  --radius:    10px;
  --mono:      'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
}

html { font-size: 15px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── Header ─────────────────────────────────────────────── */
.header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.5rem 1.5rem;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.header-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.logo-icon { width: 20px; height: 20px; color: var(--accent); }
.header-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.last-updated { font-size: 0.8rem; color: var(--muted); }

/* ── Main layout ─────────────────────────────────────────── */
.main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ── Flash message ───────────────────────────────────────── */
.flash {
  background: #1a2744;
  border: 1px solid #2e4080;
  color: #93c5fd;
  padding: 0.65rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
}

/* ── Card ────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

/* ── Summary grid ────────────────────────────────────────── */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}
.summary-card { padding: 1.1rem 1.25rem; }
.summary-label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.3rem; }
.summary-value { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; }
.summary-value.warn { color: var(--amber); }
.summary-sub { font-size: 0.75rem; color: var(--amber); margin-top: 0.2rem; }

/* ── Section title ───────────────────────────────────────── */
.section-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 1rem;
}

/* ── Table ───────────────────────────────────────────────── */
.table-wrapper { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: thin; }
.holdings-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.holdings-table thead th {
  padding: 0.5rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.holdings-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.12s;
}
.holdings-table tbody tr:last-child { border-bottom: none; }
.holdings-table tbody tr:hover { background: var(--bg3); }
.holdings-table td {
  padding: 0.7rem 0.75rem;
  vertical-align: middle;
  white-space: nowrap;
}

.ticker { font-weight: 700; font-size: 0.95rem; letter-spacing: 0.03em; }
.holding-name { font-size: 0.72rem; color: var(--muted); margin-top: 1px; }

.right  { text-align: right; }
.center { text-align: center; }
.mono   { font-family: var(--mono); font-size: 0.85rem; }

.drift-over  { color: var(--red); }
.drift-under { color: var(--green); }

/* ── Allocation bar ──────────────────────────────────────── */
.alloc-bar-section { margin-top: 1.25rem; }
.alloc-bar-label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.4rem; }
.alloc-bar {
  height: 10px;
  border-radius: 5px;
  overflow: hidden;
  display: flex;
  background: var(--bg3);
}
.alloc-segment {
  height: 100%;
  transition: width 0.4s ease;
  cursor: default;
  min-width: 2px;
}

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--muted);
}
.empty-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.empty-state h2 { color: var(--text); margin-bottom: 0.4rem; }

/* ── Add form ────────────────────────────────────────────── */
.add-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.9rem;
  align-items: end;
}
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-size: 0.78rem; color: var(--muted); font-weight: 500; }
.form-group input {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
.form-group input:focus { border-color: var(--accent); }
.form-group select {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
  cursor: pointer;
}
.form-group select:focus { border-color: var(--accent); }
.form-group select option { background: var(--bg2); color: var(--text); }
.field-error { font-size: 0.75rem; color: var(--red); margin-top: 2px; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.95rem;
  border-radius: 7px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s, background 0.15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { opacity: 0.85; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost   { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }
.btn-danger  { background: var(--red-bg); color: var(--red); border: 1px solid #5a1a1a; }
.btn-sm      { padding: 0.28rem 0.65rem; font-size: 0.78rem; }

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-green { background: var(--green-bg); color: var(--green); border: 1px solid #14532d; }
.badge-amber { background: var(--amber-bg); color: var(--amber); border: 1px solid #5c3a00; }

/* ── Modal ───────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  width: min(420px, 90vw);
}
.modal-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.modal-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
#editForm { display: flex; flex-direction: column; gap: 0.9rem; }

/* ── Portfolio sections ──────────────────────────────────── */
.portfolio-management {
  margin-bottom: 1.5rem;
}
.portfolios-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}
.portfolio-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  background: var(--bg3);
  border-radius: 6px;
  border: 1px solid var(--border);
  min-width: 280px;
}
.portfolio-item-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}
.portfolio-item-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}
.portfolio-item-description {
  font-size: 0.75rem;
  color: var(--muted);
  font-style: italic;
}
.add-portfolio-form {
  display: flex;
  gap: 0.5rem;
  align-items: end;
  flex-wrap: wrap;
}
.add-portfolio-form .form-group {
  flex: 1;
  min-width: 180px;
  margin-bottom: 0;
}
.add-portfolio-form input {
  padding: 0.5rem 0.75rem !important;
  font-size: 0.85rem;
}

.portfolio-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 2px solid var(--border);
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}
.portfolio-header:first-of-type { margin-top: 0; }
.portfolio-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}
.portfolio-summary {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  flex-wrap: wrap;
}
.portfolio-value {
  font-weight: 600;
  color: var(--text);
  font-family: var(--mono);
}
.portfolio-holdings {
  display: flex;
  align-items: center;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .header-inner { flex-direction: column; align-items: flex-start; padding: 1rem 1.5rem; gap: 0.75rem; }
  .header-meta { width: 100%; justify-content: flex-start; gap: 0.5rem; }
  .main { padding: 1rem; gap: 1.2rem; }
  .card { padding: 1.25rem 1rem; }
  .summary-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.75rem; }
  .summary-card { padding: 1rem; }
  .summary-value { font-size: 1.4rem; }
  .add-form { grid-template-columns: 1fr; }
  .portfolio-header { flex-direction: column; align-items: flex-start; gap: 0.75rem; padding-bottom: 0.5rem; }
  .portfolio-summary { flex-direction: column; align-items: flex-start; gap: 0.5rem; width: 100%; }
  .portfolio-item { min-width: auto; width: 100%; flex-wrap: wrap; justify-content: space-between; }
  
  .table-wrapper { margin: 0 -1rem; padding: 0 1rem; width: auto; /* Bleed to edge for horizontal scroll */ }
  .holdings-table th, .holdings-table td { padding: 0.6rem 0.5rem; font-size: 0.8rem; }
  
  .add-portfolio-form .form-group { width: 100%; flex: 1 1 100%; }
  .add-portfolio-form .btn { width: 100%; justify-content: center; margin-top: 0.5rem; }
  
  .section-title { font-size: 0.85rem; }
  .bulk-edit-header { flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .header-meta { flex-wrap: wrap; }
  .header-meta form, .header-meta .btn { flex-grow: 1; justify-content: center; text-align: center; }
  .portfolio-summary .btn { width: 100%; justify-content: center; }
}