@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --teal: #0d9488;
    --teal-dark: #0f766e;
    --purple: #7c3aed;
    --orange: #f97316;
    --ink: #1e1b2e;
    --muted: #6b7280;
    --bg: #f7f6fb;
    --panel: #ffffff;
    --border: #e6e3f0;
    --danger: #dc2626;
    --success: #16a34a;
    --radius: 12px;
}

/* Business space swaps the accent emphasis toward purple/orange to stay visually distinct from personal */
body.space-business {
    --accent-primary: var(--purple);
    --accent-secondary: var(--orange);
}
body.space-personal {
    --accent-primary: var(--teal);
    --accent-secondary: var(--purple);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--ink);
}

.money {
    font-family: 'Space Mono', monospace;
}

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

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

.sidebar {
    width: 220px;
    background: var(--ink);
    color: #fff;
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    flex-shrink: 0;
}

.brand {
    font-weight: 700;
    font-size: 20px;
    margin-bottom: 24px;
}
.brand span { color: var(--orange); }

.space-switch {
    display: flex;
    background: rgba(255,255,255,0.08);
    border-radius: 999px;
    padding: 4px;
    margin-bottom: 24px;
}
.space-btn {
    flex: 1;
    text-align: center;
    padding: 6px 10px;
    border-radius: 999px;
    color: #cbd5e1;
    font-size: 13px;
    font-weight: 600;
}
.space-btn:hover { text-decoration: none; }
.space-btn.active {
    background: linear-gradient(135deg, var(--teal), var(--purple));
    color: #fff;
}
body.space-business .space-btn.active {
    background: linear-gradient(135deg, var(--purple), var(--orange));
}

.main-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.main-nav a {
    color: #cbd5e1;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
}
.main-nav a:hover { background: rgba(255,255,255,0.08); text-decoration: none; color: #fff; }
.main-nav a.active { background: rgba(255,255,255,0.12); color: #fff; }

.sidebar-footer {
    border-top: 1px solid rgba(255,255,255,0.12);
    padding-top: 16px;
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    color: #cbd5e1;
}
.sidebar-footer a { color: var(--orange); }

.content {
    flex: 1;
    padding: 32px 40px;
    max-width: 1100px;
}

/* ---- Common elements ---- */
.page-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.page-head h1 { margin: 0; font-size: 24px; }

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 24px;
}
.panel h2 { margin-top: 0; font-size: 16px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

.purpose-line { margin: -8px 0 24px; color: var(--muted); font-size: 14px; max-width: 640px; }
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.kpi-grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) {
    .kpi-grid, .kpi-grid-3 { grid-template-columns: repeat(2, 1fr); }
}
.kpi-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.kpi-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.kpi-value { font-size: 22px; font-weight: 700; }
.kpi-sub { font-size: 12px; color: var(--muted); }
.kpi-target { font-size: 14px; font-weight: 500; color: var(--muted); }
.kpi-card.available { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12); }
.kpi-card.available .kpi-value { color: var(--teal); }
.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 24px; }
@media (max-width: 900px) { .quick-grid { grid-template-columns: 1fr; } }
.pot-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
@media (max-width: 900px) { .pot-grid { grid-template-columns: 1fr; } }
.pot-card .pot-actions { margin-top: 12px; }
.stk-wait { border-color: var(--teal); }
.stk-status { font-weight: 600; }
code { font-size: 13px; background: var(--bg); padding: 1px 6px; border-radius: 4px; }
.positive { color: var(--success); }
.negative { color: var(--danger); }

/* ---- Forms ---- */
form label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 12px;
}
form input, form select {
    font-family: inherit;
    font-size: 14px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--ink);
}
.txn-form, .filter-form {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
}
.txn-form label, .filter-form { margin-bottom: 0; }
.txn-form .grow { flex: 1; min-width: 180px; }
.inline-form { display: inline-block; margin: 0; }

.btn {
    display: inline-block;
    border: none;
    border-radius: 8px;
    padding: 9px 16px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    color: #fff;
    background: var(--accent-primary, var(--teal));
}
.btn:hover { opacity: 0.9; text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--teal), var(--purple)); }
body.space-business .btn-primary { background: linear-gradient(135deg, var(--purple), var(--orange)); }
.btn-small { padding: 5px 10px; font-size: 12px; background: var(--muted); }
.btn-danger { background: var(--danger); }

/* ---- Tables ---- */
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th {
    text-align: left;
    font-size: 12px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .03em;
    border-bottom: 2px solid var(--border);
    padding: 8px 6px;
}
.data-table td { padding: 10px 6px; border-bottom: 1px solid var(--border); }
.text-right { text-align: right; }
.row-muted { opacity: 0.5; }
.empty-state { color: var(--muted); font-size: 14px; }

.tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    background: color-mix(in srgb, var(--tag-color, var(--teal)) 15%, white);
    color: var(--tag-color, var(--teal));
}

/* ---- Category / budget bars ---- */
.category-bars { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.category-bar-label { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 4px; }
.category-bar-track { background: var(--bg); border-radius: 999px; height: 8px; overflow: hidden; }
.category-bar-fill { height: 100%; border-radius: 999px; }
.category-bar-fill.over-budget { background: var(--danger) !important; }

/* ---- Bar chart (reports) ---- */
.bar-chart { display: flex; align-items: flex-end; gap: 18px; height: 180px; padding-top: 10px; }
.bar-chart-col { display: flex; flex-direction: column; align-items: center; gap: 6px; flex: 1; height: 100%; justify-content: flex-end; }
.bar-chart-bars { display: flex; align-items: flex-end; gap: 4px; height: 100%; width: 100%; justify-content: center; }
.bar { width: 16px; border-radius: 3px 3px 0 0; min-height: 2px; }
.bar.income { background: var(--teal); }
.bar.expense { background: var(--orange); }
.bar-chart-label { font-size: 12px; color: var(--muted); }
.legend { display: flex; gap: 16px; margin-top: 12px; font-size: 13px; color: var(--muted); }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }
.dot.income { background: var(--teal); }
.dot.expense { background: var(--orange); }

/* ---- Alerts ---- */
.alert { padding: 10px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert-success { background: #ecfdf5; color: var(--success); border: 1px solid #a7f3d0; }
.alert-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }

/* ---- Auth pages ---- */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--teal-dark), var(--purple));
}
.auth-card {
    background: #fff;
    padding: 32px;
    border-radius: var(--radius);
    width: 100%;
    max-width: 360px;
}
.auth-card h1 { margin: 0 0 4px; font-size: 20px; }
.auth-subtitle { color: var(--muted); margin-top: 0; margin-bottom: 20px; font-size: 14px; }
.auth-switch { text-align: center; font-size: 13px; color: var(--muted); margin-top: 16px; }