@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Work+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #0a0d10;
  --bg-elevated: #12161b;
  --sidebar: #0e1216;
  --card: #141920;
  --card-border: #22282f;
  --text: #e9ecef;
  --text-dim: #8b93a1;
  --text-faint: #5a6270;
  --accent: #34d399;
  --accent-dim: #1f8f66;
  --accent-soft: rgba(52, 211, 153, 0.12);
  --gold: #f2b84b;
  --danger: #f0576a;
  --danger-soft: rgba(240, 87, 106, 0.12);
  --radius: 14px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Work Sans', sans-serif;
  font-size: 15px;
}

h1, h2, h3, h4 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.mono { font-family: 'IBM Plex Mono', monospace; }

a { color: inherit; text-decoration: none; }

/* ---------- Layout ---------- */
.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--sidebar);
  border-right: 1px solid var(--card-border);
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px;
}

.sidebar-brand .mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Fraunces', serif;
  font-weight: 700;
  color: #06251a;
  font-size: 16px;
}

.sidebar-brand span {
  font-family: 'Fraunces', serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.15;
}

.sidebar-brand small {
  display: block;
  color: var(--text-faint);
  font-size: 11px;
  font-weight: 400;
  font-family: 'Work Sans', sans-serif;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav a {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.nav a svg { width: 18px; height: 18px; flex-shrink: 0; }

.nav a:hover {
  background: var(--card);
  color: var(--text);
}

.nav a.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--card-border);
  padding-top: 16px;
}

.sidebar-footer a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-faint);
  font-size: 13px;
  padding: 8px 12px;
}
.sidebar-footer a:hover { color: var(--danger); }
.sidebar-footer a svg { width: 16px; height: 16px; }

.main {
  flex: 1;
  padding: 32px 40px 60px;
  max-width: 1280px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  gap: 20px;
  flex-wrap: wrap;
}

.page-header h1 { font-size: 26px; }
.page-header p { color: var(--text-dim); margin-top: 4px; font-size: 14px; }

/* ---------- Cards / KPIs ---------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  position: relative;
  overflow: hidden;
}

.kpi-card .label {
  font-size: 12.5px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  margin-bottom: 10px;
}

.kpi-card .value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 21px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

.kpi-card .value.positive { color: var(--accent); }
.kpi-card .value.negative { color: var(--danger); }

.kpi-card .sub {
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--text-faint);
}

.kpi-card.highlight {
  background: linear-gradient(160deg, var(--accent-soft), var(--card) 65%);
  border-color: var(--accent-dim);
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 22px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  gap: 12px;
  flex-wrap: wrap;
}

.card-header h3 { font-size: 17px; }
.card-header .sub { color: var(--text-faint); font-size: 12.5px; margin-top: 2px; }

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 4px;
  width: fit-content;
  margin-bottom: 20px;
}

.tabs a {
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-dim);
}

.tabs a.active {
  background: var(--card);
  color: var(--text);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid var(--card-border);
  background: var(--bg-elevated);
  color: var(--text);
  cursor: pointer;
  transition: filter 0.15s, background 0.15s;
  font-family: inherit;
}
.btn:hover { filter: brightness(1.15); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  border-color: transparent;
  color: #052015;
}

.btn-danger {
  background: var(--danger-soft);
  border-color: transparent;
  color: var(--danger);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-dim);
  padding: 6px 10px;
}
.btn-ghost:hover { color: var(--text); background: var(--bg-elevated); }

.btn svg { width: 15px; height: 15px; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; }

thead th {
  text-align: left;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  font-weight: 600;
  padding: 0 12px 10px;
  border-bottom: 1px solid var(--card-border);
}

tbody td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--card-border);
  font-size: 14px;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.015); }

.pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
}
.pill-fixo { background: rgba(94, 156, 255, 0.14); color: #7fabff; }
.pill-variavel { background: rgba(242, 184, 75, 0.14); color: var(--gold); }
.pill-ativo { background: var(--accent-soft); color: var(--accent); }
.pill-pausado { background: rgba(139, 147, 161, 0.14); color: var(--text-dim); }

.text-right { text-align: right; }
.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-faint);
  font-size: 14px;
}

/* ---------- Forms / Modal ---------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.form-grid .full { grid-column: 1 / -1; }

label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 6px;
}

input, select, textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-dim);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  padding: 26px;
}

.modal h3 { margin-bottom: 18px; }
.modal .actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 20%, rgba(52,211,153,0.08), transparent 50%), var(--bg);
}

.login-box {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 32px;
}

.login-box .mark {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Fraunces', serif; font-weight: 700; color: #06251a; font-size: 20px;
  margin-bottom: 18px;
}

.login-box h1 { font-size: 21px; margin-bottom: 4px; }
.login-box p.sub { color: var(--text-dim); font-size: 13.5px; margin-bottom: 24px; }

.field { margin-bottom: 14px; }

.error-msg {
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13.5px;
  margin-bottom: 16px;
}

.login-box button { width: 100%; justify-content: center; padding: 11px; margin-top: 6px; }

/* ---------- Chart wrap ---------- */
.chart-wrap { position: relative; height: 260px; }

@media (max-width: 860px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; overflow-x: auto; padding: 14px; }
  .sidebar-footer { display: none; }
  .nav { flex-direction: row; }
  .main { padding: 22px 18px 40px; }
  .form-grid { grid-template-columns: 1fr; }
}