:root {
    --bg: #0f1115;
    --card: #171a21;
    --card-alt: #1d212a;
    --text: #e5e7eb;
    --muted: #9199a8;
    --primary: #3b82f6;
    --primary-dark: #60a5fa;
    --green: #34d399;
    --red: #f87171;
    --orange: #fbbf24;
    --border: #2a2f3a;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.wrap {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 16px 60px;
}

header.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

header.top h1 {
    font-size: 1.4rem;
    margin: 0;
}

nav.top a {
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 600;
    margin-left: 14px;
    font-size: 0.95rem;
}

nav.top a:hover { text-decoration: underline; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 18px;
}

.balance-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

.balance-box {
    background: var(--card-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    text-align: center;
}

.balance-box .label {
    color: var(--muted);
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.balance-box .amount {
    font-size: 1.5rem;
    font-weight: 700;
}

.amount.positive { color: var(--green); }
.amount.negative { color: var(--red); }
.amount.zero { color: var(--muted); }

.summary-line {
    text-align: center;
    font-size: 1.1rem;
    padding: 10px;
    border-radius: var(--radius);
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary-dark);
    font-weight: 600;
    margin-top: 4px;
}

.warning-line {
    text-align: center;
    font-size: 0.85rem;
    color: var(--orange);
    margin-top: 8px;
}

.warning-line.error-line {
    color: var(--red);
    font-weight: 600;
}

form .field {
    margin-bottom: 14px;
}

form label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 4px;
}

form .hint {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 3px;
}

input[type=text], input[type=date], input[type=number] {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--card-alt);
    color: var(--text);
    color-scheme: dark;
}

input:focus { outline: 2px solid var(--primary); outline-offset: 0; }

.row2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px 16px;
    margin: 0 0 14px;
}

legend {
    font-weight: 700;
    padding: 0 6px;
    font-size: 0.9rem;
    color: var(--muted);
}

.btn {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 11px 20px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover { background: var(--primary-dark); }

.btn.secondary {
    background: var(--card-alt);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn.danger {
    background: var(--card-alt);
    color: var(--red);
    border: 1px solid #7f1d1d;
}

.btn-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th, td {
    text-align: left;
    padding: 9px 8px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

th { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; }

td.num, th.num { text-align: right; white-space: nowrap; }

.pill {
    display: inline-block;
    font-size: 0.72rem;
    padding: 2px 7px;
    border-radius: 999px;
    background: rgba(217, 119, 6, 0.18);
    color: var(--orange);
    margin-left: 6px;
}

.pill.pill-error {
    background: rgba(220, 38, 38, 0.18);
    color: var(--red);
}

.actions a {
    font-size: 0.85rem;
    margin-right: 14px;
    color: var(--primary-dark);
    text-decoration: none;
}

.actions a.del { color: var(--red); }

.empty {
    text-align: center;
    color: var(--muted);
    padding: 30px 10px;
}

.flash {
    background: rgba(52, 211, 153, 0.12);
    border: 1px solid rgba(52, 211, 153, 0.35);
    color: var(--green);
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

/* --- Tableau des dépenses : flèche / Date / Libellé / Montant / Modifier --- */

.table-depenses th.col-arrow,
.table-depenses td.col-arrow {
    width: 34px;
    padding-left: 4px;
    padding-right: 4px;
}

.table-depenses .toggle-details {
    background: var(--card-alt);
    border: 1px solid var(--border);
    color: var(--primary-dark);
    font-size: 0.85rem;
    width: 26px;
    height: 26px;
    line-height: 1;
    border-radius: 999px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease, border-color 0.15s ease;
}

.table-depenses .toggle-details:hover {
    border-color: var(--primary);
}

.table-depenses .toggle-details.expanded {
    transform: rotate(180deg);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-modifier {
    display: inline-block;
    background: var(--card-alt);
    border: 1px solid var(--border);
    color: var(--primary-dark);
    font-size: 0.78rem;
    padding: 5px 12px;
    border-radius: 999px;
    text-decoration: none;
    white-space: nowrap;
}

.btn-modifier:hover {
    border-color: var(--primary);
}

.row-detail.hidden {
    display: none;
}

.row-detail td {
    background: var(--card-alt);
    padding: 12px 14px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 20px;
    font-size: 0.85rem;
}

.detail-grid .dl {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 2px 0;
    border-bottom: 1px dashed var(--border);
}

.detail-grid .dl .k {
    color: var(--muted);
}

.detail-actions {
    grid-column: 1 / -1;
    margin-top: 4px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

.detail-actions a {
    font-size: 0.85rem;
    margin-right: 16px;
    color: var(--primary-dark);
    text-decoration: none;
}

.detail-actions a.del { color: var(--red); }

@media (max-width: 560px) {
    .balance-grid, .row2 { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    table { font-size: 0.82rem; }
    th, td { padding: 8px 5px; }
}