:root {
    --bg: #0a0a0f;
    --bg2: #111118;
    --surface: #16161e;
    --surface2: #1e1e2a;
    --border: rgba(255,255,255,0.07);
    --border-glow: rgba(99,102,241,0.3);
    --text: #e8e8f0;
    --muted: #6b6b80;
    --accent: #6366f1;
    --accent2: #8b5cf6;
    --accent3: #06b6d4;
    --danger: #ef4444;
    --danger-soft: rgba(239,68,68,0.12);
    --success: #10b981;
    --success-soft: rgba(16,185,129,0.12);
    --warning: #f59e0b;
    --warning-soft: rgba(245,158,11,0.12);
    --indigo-soft: rgba(99,102,241,0.1);
    --radius: 14px;
    --radius-lg: 20px;
    --font-display: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    font-size: 14px;
    line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent2); }

/* ── LAYOUT ── */
.layout { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100vh; }

/* ── SIDEBAR ── */
.sidebar {
    position: sticky; top: 0; height: 100vh; overflow-y: auto;
    background: var(--surface); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; z-index: 100;
}
.sidebar-logo { padding: 22px 20px 16px; border-bottom: 1px solid var(--border); }
.sidebar-logo-mark { display: flex; align-items: center; gap: 10px; margin-bottom: 5px; }
.logo-icon { width: 34px; height: 34px; background: linear-gradient(135deg, var(--accent), var(--accent2)); border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: 15px; flex-shrink: 0; }
.sidebar-logo h1 { font-family: var(--font-display); font-size: 13.5px; font-weight: 700; color: var(--text); line-height: 1.25; letter-spacing: -0.2px; }
.sidebar-logo p { font-size: 10.5px; color: var(--muted); letter-spacing: 0.4px; text-transform: uppercase; }
.sidebar-nav { flex: 1; padding: 12px 10px; display: flex; flex-direction: column; gap: 1px; }
.nav-section-label { font-size: 9.5px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted); padding: 10px 10px 4px; }
.sidebar-nav a { display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-radius: 8px; color: var(--muted); font-size: 13px; font-weight: 500; transition: background 0.12s, color 0.12s; position: relative; }
.sidebar-nav a .nav-icon { font-size: 14px; width: 18px; text-align: center; flex-shrink: 0; }
.sidebar-nav a:hover { background: var(--surface2); color: var(--text); }
.sidebar-nav a.active { background: var(--indigo-soft); color: var(--accent); border: 1px solid var(--border-glow); }
.sidebar-nav a.active::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 3px; height: 18px; background: var(--accent); border-radius: 0 3px 3px 0; }
.nav-danger { color: var(--danger) !important; }
.nav-danger:hover { background: var(--danger-soft) !important; color: var(--danger) !important; }
.sidebar-footer { padding: 12px; border-top: 1px solid var(--border); }
.user-box { display: flex; align-items: center; gap: 9px; padding: 9px 11px; background: var(--surface2); border-radius: var(--radius); border: 1px solid var(--border); }
.user-avatar { width: 30px; height: 30px; background: linear-gradient(135deg, var(--accent), var(--accent2)); border-radius: 7px; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: white; flex-shrink: 0; }
.user-info strong { display: block; font-size: 12.5px; font-weight: 600; color: var(--text); }
.user-info span { font-size: 10.5px; color: var(--muted); }

/* ── MAIN ── */
.main-content { min-width: 0; padding: 24px 28px; background: var(--bg); }

/* ── PAGE HEADER ── */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-header h2 { font-family: var(--font-display); font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: -0.4px; }
.page-header .muted { font-size: 13px; color: var(--muted); margin-top: 2px; }

/* ── CARDS GRID ── */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 20px; }

/* ── CARD ── */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px; margin-bottom: 18px; }
.card h3 { font-family: var(--font-display); font-size: 13.5px; font-weight: 700; color: var(--text); margin-bottom: 13px; }

/* ── STAT CARDS ── */
.stat { position: relative; overflow: hidden; transition: transform 0.15s, border-color 0.15s; margin-bottom: 0; }
.stat:hover { transform: translateY(-1px); border-color: var(--border-glow); }
.stat-icon { width: 34px; height: 34px; border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: 16px; margin-bottom: 12px; }
.stat-icon.blue { background: var(--indigo-soft); }
.stat-icon.green { background: var(--success-soft); }
.stat-icon.purple { background: rgba(139,92,246,0.12); }
.stat-icon.cyan { background: rgba(6,182,212,0.12); }
.stat-icon.red { background: var(--danger-soft); }
.stat-icon.orange { background: var(--warning-soft); }
.stat-label { font-size: 10.5px; color: var(--muted); font-weight: 600; letter-spacing: 0.4px; margin-bottom: 5px; text-transform: uppercase; }
.stat-value { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--text); letter-spacing: -0.4px; }
.stat-value.green { color: var(--success); }
.stat-value.red { color: var(--danger); }
.stat-value.cyan { color: var(--accent3); }
.stat-value.purple { color: var(--accent2); }
.stat-value.orange { color: var(--warning); }
.stat-glow { position: absolute; bottom: -20px; right: -20px; width: 70px; height: 70px; border-radius: 50%; opacity: 0.07; }
.stat-glow.blue { background: var(--accent); }
.stat-glow.green { background: var(--success); }
.stat-glow.purple { background: var(--accent2); }
.stat-glow.cyan { background: var(--accent3); }
.stat-glow.red { background: var(--danger); }
.stat-glow.orange { background: var(--warning); }

/* ── FILTERS ── */
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.filters > * { flex: 1 1 150px; min-width: 130px; }
.filters button { flex: 0 0 auto; }

/* ── INPUTS ── */
input, select, textarea { font: inherit; width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface2); color: var(--text); transition: border-color 0.12s; font-size: 13.5px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
select option { background: var(--surface2); color: var(--text); }

/* ── BUTTONS ── */
button, .button-link { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 16px; border-radius: var(--radius); border: none; background: linear-gradient(135deg, var(--accent), var(--accent2)); color: white; cursor: pointer; font: inherit; font-size: 13.5px; font-weight: 600; transition: opacity 0.15s, transform 0.15s; white-space: nowrap; }
button:hover, .button-link:hover { opacity: 0.88; transform: translateY(-1px); }
.button-link.secondary { background: var(--surface2); color: var(--muted); border: 1px solid var(--border); }
.button-link.secondary:hover { color: var(--text); border-color: var(--border-glow); }
.button-link.danger { background: var(--danger-soft); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }

/* ── TABLE ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { background: var(--surface2); padding: 10px 11px; text-align: left; font-size: 10.5px; font-weight: 700; letter-spacing: 0.7px; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 10px 11px; border-bottom: 1px solid var(--border); vertical-align: middle; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.015); }

/* ── BADGES ── */
.badge { display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-pago { background: var(--success-soft); color: var(--success); }
.badge-vencido { background: var(--danger-soft); color: var(--danger); }
.badge-avencer { background: var(--indigo-soft); color: var(--accent); }
.badge-ativa { background: var(--success-soft); color: var(--success); }
.badge-inativa { background: var(--surface2); color: var(--muted); }

/* ── FORMS ── */
.form-grid { display: grid; grid-template-columns: 1fr; gap: 11px; }
.form-grid.two-columns { grid-template-columns: repeat(2, 1fr); }
.form-label { font-size: 11px; font-weight: 700; color: var(--muted); letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 4px; display: block; }
.full-row { grid-column: 1 / -1; }
.actions { display: flex; gap: 10px; margin-top: 14px; }
.alert { padding: 11px 15px; border-radius: var(--radius); margin-bottom: 13px; font-size: 13px; }
.alert.error { background: var(--danger-soft); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }

/* ── INLINE PAYMENT ── */
.inline-payment-form { display: flex; gap: 6px; align-items: center; }
.table-input-date { min-width: 132px; width: 132px; padding: 6px 9px; font-size: 12px; }
.table-input-money { min-width: 112px; width: 112px; padding: 6px 9px; font-size: 12px; }
.row-actions { display: flex; align-items: center; gap: 5px; }
.row-quick-form { margin: 0; }
.button-small { padding: 6px 10px; font-size: 12px; border-radius: 7px; }

/* ── PAGINATION ── */
.pagination { display: flex; align-items: center; gap: 6px; padding: 14px 0 4px; flex-wrap: wrap; }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; min-width: 32px; height: 32px; padding: 0 10px; border-radius: 8px; font-size: 13px; font-weight: 500; border: 1px solid var(--border); background: var(--surface2); color: var(--muted); text-decoration: none; transition: all 0.12s; }
.pagination a:hover { border-color: var(--border-glow); color: var(--text); }
.pagination .active { background: var(--indigo-soft); border-color: var(--border-glow); color: var(--accent); font-weight: 700; }
.pagination .disabled { opacity: 0.35; pointer-events: none; }
.pagination-info { font-size: 12px; color: var(--muted); margin-left: 8px; }

/* ── CHART ── */
.chart-container { position: relative; height: 230px; }

/* ── MISC ── */
.muted { color: var(--muted); }
.num-pos { color: var(--success); font-weight: 600; }
.num-neg { color: var(--danger); font-weight: 600; }
.dash-table th, .dash-table td { font-size: 12.5px; padding: 9px 11px; }

/* ── LOGIN ── */
.login-body { min-height: 100vh; display: flex; justify-content: center; align-items: center; background: var(--bg); }
.login-card { width: 370px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 30px; display: grid; gap: 13px; }
.login-card h2 { font-family: var(--font-display); font-size: 20px; font-weight: 800; color: var(--text); }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) { .cards-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } .sidebar { position: relative; height: auto; } .cards-grid { grid-template-columns: repeat(2, 1fr); } .form-grid.two-columns { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .cards-grid { grid-template-columns: 1fr; } }