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

:root {
  --bg: #E8EEF4;
  --surface: #F0F5FA;
  --surface2: #FFFFFF;
  --accent: #678D58;
  --accent2: #D4A373;
  --text: #2C3E50;
  --text-muted: #5D7A8A;
  --border: #C8D8E8;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(44,80,120,0.12);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  max-width: 480px;
  margin: 0 auto;
  padding-bottom: 80px;
}

/* ── Header ────────────────────────────────────────────────────────────────── */
header {
  background: var(--surface);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow);
}

header h1 { font-size: 1.3rem; font-weight: 700; color: var(--accent); letter-spacing: 1px; }
header .subtitle { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }

#sync-badge { color: var(--accent2); font-size: 1.2rem; }

/* ── Tab Navigation ────────────────────────────────────────────────────────── */
nav.tabs {
  display: flex;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
  position: sticky;
  top: 61px;
  z-index: 40;
}
nav.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  flex: 1;
  min-width: 70px;
  padding: 12px 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-btn:hover { color: var(--text); }

/* ── Panels ────────────────────────────────────────────────────────────────── */
.panel { display: none; padding: 20px 16px; animation: fadeIn 0.2s ease; }
.panel.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease;
  overflow: hidden;
  min-width: 0;
}
.card:hover { box-shadow: 0 4px 20px rgba(44,80,120,0.15); }

.card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

/* ── Sub-tabs (categorías de ingreso) ──────────────────────────────────────── */
.sub-tabs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.sub-tab-btn {
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
  width: 100%;
}
.sub-tab-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.sub-tab-btn:hover:not(.active) { background: var(--surface2); color: var(--text); }

.sub-panel { display: none; }
.sub-panel.active { display: block; }

/* ── Reportes ──────────────────────────────────────────────────────────────── */
.filter-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: flex-end;
}
.filter-row label { font-size: 0.8rem; color: var(--text-muted); display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 100px; }
.filter-row input, .filter-row select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
}
.filter-row button {
  padding: 8px 16px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  align-self: flex-end;
}

canvas { width: 100%; border-radius: var(--radius); display: block; margin-bottom: 16px; }

/* ── Tabla de Registros ────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
th { background: var(--surface2); color: var(--text-muted); padding: 10px 8px; text-align: left; font-weight: 600; }
td { padding: 10px 8px; border-bottom: 1px solid var(--border); color: var(--text); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(103,141,88,0.06); }

.btn-delete {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
  border-radius: 4px;
  transition: background 0.2s;
}
.btn-delete:hover { background: rgba(233,69,96,0.2); }

/* ── Configuración ─────────────────────────────────────────────────────────── */
.config-section { margin-bottom: 20px; }
.config-section h3 { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; margin-bottom: 8px; }
.config-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--surface2);
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
}
.config-row button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 1rem;
  padding: 2px 6px;
}

.add-meta-row { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.add-meta-row input, .add-meta-row select {
  flex: 1;
  min-width: 100px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
}
.add-meta-row button {
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}

/* ── Sync ──────────────────────────────────────────────────────────────────── */
.sync-field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.sync-field label { font-size: 0.8rem; color: var(--text-muted); }
.sync-field input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
}
.sync-field input:focus { outline: 2px solid var(--accent); }

.btn-primary {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  font-weight: 600;
  margin-top: 8px;
}
.btn-primary:hover { background: #527045; }
.btn-secondary {
  width: 100%;
  padding: 12px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 8px;
}

#sync-status { font-size: 0.85rem; color: var(--text-muted); text-align: center; margin-top: 8px; min-height: 1.2em; }

/* Moneda activa */
.currency-row.active { border-left: 3px solid var(--accent); }
.currency-row.active button { color: var(--accent); font-weight: 600; cursor: default; }

/* ── Scrollbar ─────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }