/* ═══════════════════════════════════════
   DESIGN TOKENS
   ═══════════════════════════════════════ */

:root {
    --bg-page: #0d1117;
    --bg-card: #161b22;
    --bg-card-hover: #1c2129;
    --bg-input: #0d1117;
    --border: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --accent-blue: #58a6ff;
    --accent-yellow: #d29922;
    --accent-purple: #bc8cff;
    --font-sans: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,.3);
}

[data-theme="light"] {
    --bg-page: #f6f8fa;
    --bg-card: #ffffff;
    --bg-card-hover: #f3f4f6;
    --bg-input: #f6f8fa;
    --border: #d0d7de;
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-muted: #8b949e;
    --accent-green: #1a7f37;
    --accent-red: #cf222e;
    --accent-blue: #0969da;
    --accent-yellow: #9a6700;
    --accent-purple: #8250df;
    --shadow: 0 2px 8px rgba(0,0,0,.08);
}

/* ═══════════════════════════════════════
   BASE
   ═══════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-sans);
    background: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ═══════════════════════════════════════
   LOADING
   ═══════════════════════════════════════ */

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    gap: 16px;
    color: var(--text-secondary);
}

.spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin .8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ═══════════════════════════════════════
   HEADER
   ═══════════════════════════════════════ */

.header {
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.header-logo span { color: var(--accent-blue); }

.header-badge {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--accent-blue);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s;
}

.theme-toggle:hover { background: var(--bg-card-hover); }

/* ═══════════════════════════════════════
   FILTER BAR
   ═══════════════════════════════════════ */

.filter-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 24px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color .15s;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b949e' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 28px;
}

.filter-select:hover { border-color: var(--accent-blue); }
.filter-select:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 2px rgba(88,166,255,.15); }

/* ═══════════════════════════════════════
   KPI CARDS
   ═══════════════════════════════════════ */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 20px 24px;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: all .2s;
}

.kpi-card:hover { background: var(--bg-card-hover); transform: translateY(-2px); box-shadow: var(--shadow); }

.kpi-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.kpi-value {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.2;
}

.kpi-detail {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.variation-up { color: var(--accent-green); }
.variation-down { color: var(--accent-red); }
.variation-neutral { color: var(--text-muted); }

.kpi-badge {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 4px;
}

.kpi-badge.superavit { background: rgba(63,185,80,.15); color: var(--accent-green); }
.kpi-badge.deficit { background: rgba(248,81,73,.15); color: var(--accent-red); }

/* ═══════════════════════════════════════
   TAB NAVIGATION
   ═══════════════════════════════════════ */

.tab-nav {
    display: flex;
    gap: 6px;
    padding: 12px 24px;
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: 16px;
    cursor: pointer;
    transition: all .15s;
}

.tab-btn:hover { color: var(--text-primary); border-color: var(--accent-blue); }

.tab-btn.active {
    color: #fff;
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

/* ═══════════════════════════════════════
   CONTENT
   ═══════════════════════════════════════ */

.content { padding: 24px; }

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.chart-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.chart-container {
    position: relative;
    height: 400px;
}

.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.visao-split {
    display: flex;
    gap: 0;
    align-items: stretch;
}

.visao-split .chart-side {
    flex: 1;
    min-width: 0;
    position: relative;
}

.visao-split .table-side {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

/* ── Visao Geral: tabela premium ── */

.visao-split .data-table {
    border: none;
}

.visao-split .data-table th {
    background: transparent;
    border-bottom: 2px solid var(--border);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 10px 14px;
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--bg-card);
}

.visao-split .data-table td {
    padding: 7px 14px;
    font-size: 0.78rem;
    border-top: none;
    border-bottom: 1px solid color-mix(in srgb, var(--border) 40%, transparent);
}

.visao-split .data-table tbody tr:last-child td {
    border-bottom: none;
}

.visao-split .data-table tbody tr:hover {
    background: color-mix(in srgb, var(--accent-blue) 5%, transparent);
}

.visao-split .data-table td.num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.visao-split .data-table {
    flex: 1;
}

/* ── Paginação ── */

.table-pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 12px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

.table-pager-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
    transition: all .15s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.table-pager-btn:hover { color: var(--text-primary); border-color: var(--accent-blue); }

.table-pager-btn.active {
    background: var(--accent-blue);
    color: #fff;
    border-color: var(--accent-blue);
}

.table-pager-info {
    font-size: 0.65rem;
    color: var(--text-muted);
    padding: 0 6px;
}

/* ═══════════════════════════════════════
   DRE TABLE
   ═══════════════════════════════════════ */

.dre-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 28px;
}

.dre-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding-bottom: 16px;
    margin-bottom: 8px;
    border-bottom: 2px solid var(--border);
}

.dre-header h2 {
    font-size: 1rem;
    font-weight: 700;
}

.dre-header p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.dre-table {
    width: 100%;
    border-collapse: collapse;
}

.dre-table td {
    padding: 5px 0;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.dre-table td:last-child {
    text-align: right;
    font-family: var(--font-mono);
    font-weight: 500;
    white-space: nowrap;
    width: 200px;
}

.dre-table .val-zero { color: var(--text-muted); }

/* Nível 0: Conta principal (RECEITAS, DESPESAS) */
.dre-l0 td {
    font-weight: 800;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-primary);
    padding-top: 20px;
    padding-bottom: 6px;
}

.dre-l0:first-child td { padding-top: 8px; }

/* Nível 1: Subconta (Rec. Correntes, Rec. Capital) */
.dre-l1 td {
    font-weight: 600;
    color: var(--text-primary);
    padding-top: 10px;
    padding-bottom: 4px;
}

.dre-l1 td:first-child { padding-left: 16px; }

/* Nível 2: Item (Impostos, Contribuições...) */
.dre-l2 td { color: var(--text-secondary); }
.dre-l2 td:first-child { padding-left: 36px; }

/* Subtotal: linha de fechamento de grupo */
.dre-subtotal { border-top: 1px solid var(--border); }
.dre-subtotal td { font-weight: 700; padding-top: 8px; }
.dre-subtotal td:first-child { padding-left: 16px; }

/* Total: linha grande (RECEITA TOTAL, DESPESA TOTAL) */
.dre-total { border-top: 2px solid var(--border); }
.dre-total td {
    font-weight: 800;
    font-size: 0.95rem;
    padding: 12px 0;
}

/* Resultado: destaque máximo */
.dre-resultado {
    border-top: 3px double var(--border);
}

.dre-resultado td {
    font-weight: 800;
    font-size: 1.05rem;
    padding: 16px 0;
}

.dre-resultado.superavit td { color: var(--accent-green); }
.dre-resultado.deficit td { color: var(--accent-red); }

.dre-resultado.superavit td:last-child,
.dre-resultado.deficit td:last-child {
    background: rgba(63,185,80,.08);
    border-radius: 4px;
    padding-right: 8px;
}

.dre-resultado.deficit td:last-child {
    background: rgba(248,81,73,.08);
}

/* Indicadores */
.dre-indicadores {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.dre-indicador {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px 12px;
    background: var(--bg-page);
    border-radius: var(--radius-sm);
}

.dre-indicador-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
}

.dre-indicador-value {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
}

/* ═══════════════════════════════════════
   TOOLTIPS & DIDATICO
   ═══════════════════════════════════════ */

.info-tip {
    position: relative;
    cursor: help;
    border-bottom: 1px dotted var(--text-muted);
}

.info-tip::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.73rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-secondary);
    width: 260px;
    white-space: normal;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s;
    z-index: 10;
    text-transform: none;
    letter-spacing: 0;
}

.info-tip:hover::after { opacity: 1; }

.kpi-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
    line-height: 1.4;
    font-style: italic;
}

.dre-indicador-desc {
    font-size: 0.65rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.periodo-badge {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(188,140,255,.15);
    color: var(--accent-purple);
    margin-left: 6px;
}

/* ═══════════════════════════════════════
   DATASET EXPLORER
   ═══════════════════════════════════════ */

.data-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.data-toggle {
    display: flex;
    gap: 0;
}

.data-toggle-btn {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 14px;
    cursor: pointer;
    transition: all .15s;
}

.data-toggle-btn:first-child { border-radius: 6px 0 0 6px; }
.data-toggle-btn:last-child { border-radius: 0 6px 6px 0; border-left: none; }
.data-toggle-btn.active { background: var(--accent-blue); color: #fff; border-color: var(--accent-blue); }

.data-search {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    padding: 6px 12px;
    border-radius: 6px;
    min-width: 200px;
    transition: border-color .15s;
}

.data-search::placeholder { color: var(--text-muted); }
.data-search:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 2px rgba(88,166,255,.15); }

.data-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: auto;
    font-family: var(--font-mono);
}

.data-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.data-table th {
    background: var(--bg-card-hover);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    padding: 10px 12px;
    text-align: left;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: color .15s;
    position: sticky;
    top: 0;
    z-index: 1;
}

.data-table th:hover { color: var(--text-primary); }
.data-table th.sorted { color: var(--accent-blue); }
.data-table th .sort-arrow { margin-left: 4px; font-size: 0.65rem; }

.data-table th.num,
.data-table td.num {
    text-align: right;
}

.data-table td {
    padding: 8px 12px;
    border-top: 1px solid var(--border);
    color: var(--text-primary);
    white-space: nowrap;
}

.data-table td.num {
    font-family: var(--font-mono);
    font-weight: 500;
}

.data-table tbody tr:hover { background: var(--bg-card-hover); }

.data-table tfoot td {
    padding: 10px 12px;
    border-top: 2px solid var(--border);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--accent-blue);
    background: var(--bg-card-hover);
    position: sticky;
    bottom: 0;
}

.data-table tfoot td.num {
    font-family: var(--font-mono);
}

.data-table-wrap {
    max-height: 600px;
    overflow-y: auto;
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */

.footer {
    border-top: 1px solid var(--border);
    padding: 20px 24px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer a { color: var(--accent-blue); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */

@media (max-width: 768px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); padding: 16px; }
    .kpi-value { font-size: 1.5rem; }
    .header { padding: 12px 16px; }
    .content { padding: 16px; }
    .filter-bar { padding: 12px 16px; }
    .tab-nav { padding: 12px 16px; }
    .chart-container { height: 300px; }
    .charts-grid { grid-template-columns: 1fr; }
    .visao-split { flex-direction: column; }
    .visao-split .table-side { border-left: none; border-top: 1px solid var(--border); }
    .dre-indicadores { grid-template-columns: repeat(2, 1fr); }
    .dre-card { padding: 16px; }
}

@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; align-items: stretch; }
    .filter-group { justify-content: space-between; }
    .tab-nav { overflow-x: auto; }
}