/* ============================================================
   BillsBillsBills - Styles
   ============================================================ */

/* ========== CSS Variables ========== */
:root {
  --color-bg: #1a1a2e;
  --color-surface: #16213e;
  --color-primary: #e94560;
  --color-text: #eee;
  --color-muted: #888;
  --color-success: #4ade80;
  --color-border: #333;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
}

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

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

/* ========== Layout ========== */
.container { max-width: 1200px; margin: 0 auto; }
h1 { margin-bottom: var(--spacing-md); color: var(--color-primary); }
h3 { margin: var(--spacing-md) 0 var(--spacing-sm); }

/* ========== Notice Banner ========== */
.notice {
  background: rgba(233, 69, 96, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--color-muted);
}
.notice a { color: var(--color-primary); }

/* ========== Tabs ========== */
.tabs { display: flex; gap: var(--spacing-sm); margin-bottom: var(--spacing-md); flex-wrap: wrap; }

.tab {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text);
  font-size: 0.95rem;
  transition: background 0.2s;
}
.tab:hover { opacity: 0.9; }
.tab.active { background: var(--color-primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ========== Drop Zone ========== */
.drop-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  margin-bottom: var(--spacing-md);
  transition: border-color 0.2s, background 0.2s;
  cursor: pointer;
}
.drop-zone:hover { border-color: var(--color-muted); }
.drop-zone.dragover { border-color: var(--color-primary); background: rgba(233, 69, 96, 0.1); }
.drop-zone input { display: none; }
.drop-zone p { margin: var(--spacing-xs) 0; }
.drop-zone .hint { color: var(--color-muted); font-size: 0.9rem; }

/* ========== Tables ========== */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
}
.table th, .table td {
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  text-align: left;
}
.table th { background: var(--color-surface); font-weight: 600; }
.table tr:hover { background: rgba(255, 255, 255, 0.02); }
.table .amount { text-align: right; font-variant-numeric: tabular-nums; }
.table .row-paid { opacity: 0.5; }
.table .row-paid td { text-decoration: line-through; }
.table tr[data-clickable] { cursor: pointer; }

/* ========== Form Controls ========== */
.select, .input {
  padding: var(--spacing-sm);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
.select.highlight { border-color: var(--color-primary); }

.checkbox { width: 1.2rem; height: 1.2rem; cursor: pointer; accent-color: var(--color-primary); }

.btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  transition: opacity 0.2s;
}
.btn:hover { opacity: 0.9; }
.btn--secondary { background: var(--color-surface); border: 1px solid var(--color-border); }
.btn--danger { border-color: var(--color-primary); }

/* ========== Filter Bar ========== */
.filter-bar {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
  align-items: center;
}
.filter-bar label { display: flex; align-items: center; gap: var(--spacing-xs); cursor: pointer; }
.filter-bar .stats { color: var(--color-muted); margin-left: auto; }

/* ========== Summary Grid ========== */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.card {
  background: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
  cursor: pointer;
  transition: transform 0.1s, border-color 0.2s;
}
.card:hover { transform: translateY(-2px); }
.card.card--success { border-color: var(--color-success); }
.card.card--selected { border-width: 3px; }
.card.card--faded { opacity: 0.6; }
.card__title { font-size: 0.85rem; color: var(--color-muted); margin-bottom: var(--spacing-xs); }
.card__value { font-size: 1.4rem; font-weight: bold; }
.card__subtitle { font-size: 0.8rem; margin-top: var(--spacing-xs); }
.card__subtitle--success { color: var(--color-success); }
.card__subtitle--warning { color: var(--color-primary); }

/* ========== Rules List ========== */
.rules-list { list-style: none; }
.rules-list li {
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.rules-list .pattern { color: var(--color-muted); font-family: monospace; font-size: 0.9rem; }
.rules-list .badge {
  background: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}
.rules-list .delete-btn {
  background: none;
  border: none;
  color: var(--color-muted);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0 var(--spacing-sm);
}
.rules-list .delete-btn:hover { color: var(--color-primary); }

/* ========== Actions ========== */
.actions { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; margin-bottom: var(--spacing-md); }

/* ========== Section ========== */
.section { margin-bottom: var(--spacing-lg); }
.section__description { color: var(--color-muted); margin-bottom: var(--spacing-md); }

/* ========== Column Mapping Preview ========== */
.mapping-preview {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}
.mapping-preview h3 { margin-bottom: var(--spacing-xs); }
.mapping-preview .hint { margin-bottom: var(--spacing-md); }
.mapping-preview .actions { margin-top: var(--spacing-md); align-items: center; }
.checkbox-label { display: flex; align-items: center; gap: var(--spacing-xs); margin-left: auto; }

.preview-table-wrapper { overflow-x: auto; margin-bottom: var(--spacing-sm); }
.preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.preview-table th, .preview-table td {
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  text-align: left;
  white-space: nowrap;
}
.preview-table th { background: var(--color-bg); }
.preview-table th select {
  width: 100%;
  padding: var(--spacing-xs);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.preview-table tr.header-row { background: rgba(233, 69, 96, 0.1); }
.preview-table td { color: var(--color-muted); }

/* ========== Debug Console ========== */
.debug-console {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #000;
  padding: var(--spacing-sm);
  border-top: 2px solid var(--color-primary);
  z-index: 1000;
}
.debug-input {
  width: 100%;
  background: #111;
  color: #0f0;
  border: none;
  padding: var(--spacing-sm);
  font-family: monospace;
  font-size: 1rem;
}
.debug-input:focus { outline: none; }
.debug-input::placeholder { color: #060; }

.btn-delete {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 4px;
  opacity: 0.4;
  transition: opacity 0.15s, color 0.15s;
}
.btn-delete:hover { opacity: 1; color: var(--color-primary); }