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

:root {
  --bg: #080608;
  --surface: #100d10;
  --surface2: #1a151a;
  --border: #2e1f2e;
  --border-glow: #7f1d1d;
  --text: #f0e6e6;
  --text-muted: #6b4f5a;
  --primary: #dc2626;
  --primary-hover: #b91c1c;
  --primary-glow: rgba(220,38,38,0.25);
  --purple: #a855f7;
  --green: #10b981;
  --red: #ef4444;
  --yellow: #f59e0b;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.6);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  background-image:
    linear-gradient(rgba(220,38,38,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220,38,38,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Navbar ──────────────────────────────────────────────────────────────── */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(220,38,38,0.15), 0 4px 20px rgba(0,0,0,0.5);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.03em;
}

.nav-brand span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 6px 14px;
  border-radius: 6px;
  color: var(--text-muted);
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  letter-spacing: 0.02em;
}

.nav-links a:hover, .nav-links a.active {
  background: var(--surface2);
  color: var(--text);
}

.btn-nav {
  background: var(--primary) !important;
  color: white !important;
  font-weight: 600 !important;
  box-shadow: 0 0 12px var(--primary-glow) !important;
}

.btn-nav:hover {
  background: var(--primary-hover) !important;
  box-shadow: 0 0 20px var(--primary-glow) !important;
}

/* ── Container ───────────────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px;
}

/* ── Alerts ──────────────────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-weight: 500;
}
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid var(--green); color: var(--green); }
.alert-error   { background: rgba(239,68,68,0.1);  border: 1px solid var(--red);   color: var(--red);   }

/* ── Page Header ─────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ── Cards ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: var(--border-glow);
}

/* ── Stats Grid ──────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 16px rgba(127,29,29,0.2);
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.stat-value.muted    { color: var(--text-muted); }
.stat-value.negative { color: var(--red); }
.stat-value.positive { color: var(--green); }

/* ── Charts Grid ─────────────────────────────────────────────────────────── */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 768px) {
  .charts-grid { grid-template-columns: 1fr; }
}

.chart-card { display: flex; flex-direction: column; }
.chart-card h2 { margin-bottom: 16px; font-size: 15px; letter-spacing: 0.03em; }

/* ── Month Selector ──────────────────────────────────────────────────────── */
.month-selector select {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.15s;
}

.month-selector select:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 2px var(--primary-glow);
}

/* ── Filters ─────────────────────────────────────────────────────────────── */
.filters {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filters select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.15s;
}

.filters select:focus {
  border-color: var(--primary);
  outline: none;
}

/* ── Table ───────────────────────────────────────────────────────────────── */
.table-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  color: var(--text-muted);
  font-size: 13px;
}

.table-summary strong { color: var(--text); }

.table-wrapper { overflow-x: auto; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(46,31,46,0.6);
  vertical-align: middle;
  transition: background 0.15s;
}

.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: rgba(220,38,38,0.04); }

.date-cell { white-space: nowrap; color: var(--text-muted); }
.amount-cell { font-weight: 700; white-space: nowrap; }
.muted { color: var(--text-muted); }
.actions-cell { white-space: nowrap; }

/* ── Category Select (inline) ─────────────────────────────────────────────── */
.category-select, .category-select-sm {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  max-width: 180px;
  transition: border-color 0.15s;
}

.category-select:focus, .category-select-sm:focus {
  border-color: var(--primary);
  outline: none;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: opacity 0.15s, box-shadow 0.15s;
  letter-spacing: 0.02em;
}

.btn:hover { opacity: 0.85; text-decoration: none; }

.btn-primary  { background: var(--primary); color: white; box-shadow: 0 0 12px var(--primary-glow); }
.btn-primary:hover { box-shadow: 0 0 20px var(--primary-glow); }
.btn-purple   { background: var(--purple); color: white; }
.btn-green    { background: var(--green); color: white; }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.full-width   { width: 100%; justify-content: center; }

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  padding: 2px 6px;
  border-radius: 4px;
  transition: background 0.15s;
}
.btn-icon:hover { background: var(--surface2); }

/* ── Form ────────────────────────────────────────────────────────────────── */
.form-card { max-width: 700px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full-width { grid-column: 1 / -1; }

.form-group label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form-group input, .form-group select {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-glow);
}

.form-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* ── Import Grid ─────────────────────────────────────────────────────────── */
.import-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.import-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: center;
}

.import-icon { font-size: 40px; }
.import-card h2 { font-size: 18px; }
.import-card p { color: var(--text-muted); font-size: 13px; }
.import-card .form-group { text-align: left; }

/* ── Preview ─────────────────────────────────────────────────────────────── */
.preview-total {
  margin: 16px 0;
  font-size: 16px;
  text-align: right;
}

/* ── Dashboard Grid ──────────────────────────────────────────────────────── */
.dash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 900px) {
  .dash-grid { grid-template-columns: 1fr; }
}

/* ── Stat card highlights ────────────────────────────────────────────────── */
.stat-card.highlight-green { border-left: 3px solid var(--green); box-shadow: -2px 0 12px rgba(16,185,129,0.1); }
.stat-card.highlight-red   { border-left: 3px solid var(--red);   box-shadow: -2px 0 12px rgba(239,68,68,0.1); }
.stat-card.highlight-yellow { border-left: 3px solid var(--yellow); box-shadow: -2px 0 12px rgba(245,158,11,0.1); }

.stat-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
  text-decoration: none;
}
a.stat-hint:hover { color: var(--primary); }

/* ── Empty State ─────────────────────────────────────────────────────────── */
.empty-state {
  color: var(--text-muted);
  text-align: center;
  padding: 40px;
}

/* ── Hamburger Button ────────────────────────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* ── Nav Overlay (mobile) ─────────────────────────────────────────────────── */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 98;
}
.nav-overlay.open { display: block; }

.nav-user {
  color: var(--text-muted);
  font-size: 13px;
}

.btn-nav-outline {
  background: transparent !important;
  border: 1px solid var(--border) !important;
  color: var(--text-muted) !important;
  box-shadow: none !important;
}

/* ── Mobile ──────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {

  /* Navbar */
  .nav-hamburger { display: flex; }

  .nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 56px;
    right: 0;
    width: 240px;
    height: calc(100vh - 56px);
    background: var(--surface);
    border-left: 1px solid var(--border);
    padding: 16px 12px;
    gap: 4px;
    z-index: 99;
    overflow-y: auto;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 14px; border-radius: 6px; font-size: 15px; }
  .nav-links .btn-nav { text-align: center; justify-content: center; margin-top: 8px; }
  .nav-links .btn-nav-outline { margin-top: 4px; }
  .nav-user { padding: 10px 14px; border-top: 1px solid var(--border); margin-top: 8px; }

  /* Container */
  .container { padding: 16px 12px; }

  /* Page header */
  .page-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .page-header > div { width: 100%; display: flex; gap: 8px; }
  .page-header > div .btn { flex: 1; justify-content: center; }

  /* Filters — empilha verticalmente */
  .filters { flex-direction: column; gap: 8px; }
  .filters select,
  .filters input { width: 100%; }

  /* Stats grid — 2 colunas no mobile */
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-value { font-size: 18px; }

  /* Tabela de transações — vira cards */
  .table-wrapper { overflow-x: visible; }

  .table thead { display: none; }

  .table tbody tr {
    display: flex;
    flex-direction: column;
    background: var(--surface2);
    border-radius: 8px;
    margin-bottom: 10px;
    padding: 12px;
    border: 1px solid var(--border);
    gap: 6px;
    position: relative;
  }

  .table tbody tr:hover td { background: transparent; }

  .table tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 0;
    border-bottom: none;
    font-size: 13px;
  }

  .table tbody td::before {
    content: attr(data-label);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-right: 8px;
  }

  /* Esconde colunas menos importantes no mobile */
  .table td.col-card,
  .table td.col-installment { display: none; }

  /* Data + valor na mesma linha */
  .table td.col-date { order: 1; }
  .table td.col-desc { order: 2; font-weight: 500; }
  .table td.col-category { order: 3; }
  .table td.col-amount { order: 4; font-size: 15px; }
  .table td.col-actions { order: 5; justify-content: flex-end; }
  .table td.col-actions::before { display: none; }

  .category-select { max-width: 100%; width: 100%; }

  /* Form grid — 1 coluna */
  .form-grid { grid-template-columns: 1fr; }
  .form-card { max-width: 100%; }

  /* Import grid — 1 coluna */
  .import-grid { grid-template-columns: 1fr; }

  /* Charts */
  .charts-grid { grid-template-columns: 1fr; }
  .dash-grid { grid-template-columns: 1fr; }

  /* Settings tabs — scroll horizontal */
  .settings-tabs { overflow-x: auto; white-space: nowrap; padding-bottom: 4px; }
  .stab { white-space: nowrap; }

  /* AI provider cards — 1 coluna */
  div[style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }
}