:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #0f4c81;
    --primary-dark: #0a355a;
    --danger: #b42318;
    --border: #d9e2ec;
    --success-bg: #e7f7ed;
    --error-bg: #fdecec;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
}
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
    width: 260px;
    background: var(--primary-dark);
    color: #fff;
    padding: 24px 18px;
}
.brand { font-size: 24px; font-weight: 700; margin-bottom: 28px; }
.sidebar-user { margin-bottom: 18px; line-height: 1.5; }
.sidebar nav a {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 10px;
    margin-bottom: 6px;
}
.sidebar nav a:hover { background: rgba(255,255,255,.12); }
.content { flex: 1; padding: 24px; }
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 14px rgba(15, 76, 129, 0.05);
}
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.stat {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
}
.stat .value, .stat-inline {
    font-size: 28px;
    font-weight: 700;
    margin-top: 8px;
}
.small-value { font-size: 18px !important; }
.small { color: var(--muted); font-size: 12px; }
.text-danger { color: var(--danger); }
button, .btn {
    display: inline-block;
    border: none;
    border-radius: 10px;
    padding: 10px 14px;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    font-size: 14px;
}
button:hover, .btn:hover { background: #0b5c9a; }
.btn-secondary { background: #eef3f8; color: var(--text); }
.btn-secondary:hover { background: #dde8f2; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #8f1b12; }
label { display: block; font-weight: 600; margin-bottom: 6px; }
input[type="text"], input[type="email"], input[type="password"], input[type="date"], input[type="number"], select, textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 14px;
    font-size: 14px;
    background: #fff;
}
textarea { min-height: 90px; resize: vertical; }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--border); padding: 12px 10px; text-align: left; vertical-align: top; }
th { background: #f8fbff; }
.table-wrap { overflow-x: auto; }
.flash { border-radius: 12px; padding: 14px 16px; margin-bottom: 16px; }
.flash-success { background: var(--success-bg); }
.flash-error { background: var(--error-bg); }
.badge { display: inline-block; padding: 5px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; text-transform: uppercase; }
.badge-draft { background: #edf2f7; }
.badge-submitted { background: #fff4db; }
.badge-approved { background: #def7e8; }
.badge-rejected { background: #fde7e7; }
.toolbar-between { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.toolbar-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.split-layout { display: grid; grid-template-columns: 320px 1fr; gap: 20px; }
.user-list { display: flex; flex-direction: column; gap: 8px; }
.user-list-item {
    display: block;
    text-decoration: none;
    color: var(--text);
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #fff;
}
.user-list-item.active { border-color: var(--primary); background: #eef6ff; }
.project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.project-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    background: #fff;
}
.project-card input { width: auto; margin-bottom: 4px; }
.project-title { font-weight: 700; }
.quick-fill {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}
.quick-fill select { max-width: 360px; margin-bottom: 0; }
.hours-table th, .hours-table td { min-width: 175px; }
.project-col { min-width: 220px; }
.hours-cell { display: grid; gap: 8px; }
.mini-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.mini-btn {
    background: #eef3f8;
    color: var(--text);
    padding: 5px 8px;
    font-size: 12px;
    border-radius: 8px;
}
.mini-btn:hover { background: #dde8f2; }
.day-locked { background: #faf3f0; }
.holiday-label {
    font-size: 11px;
    color: var(--danger);
    font-weight: 700;
    margin-bottom: 6px;
}
.inline-filters { display: flex; align-items: end; gap: 10px; flex-wrap: wrap; }
.review-form textarea { margin-bottom: 10px; }
.inline-form { display: inline; }
@media (max-width: 900px) {
    .app-shell { flex-direction: column; }
    .sidebar { width: 100%; }
    .split-layout { grid-template-columns: 1fr; }
}

.approval-card { padding-top: 18px; }
.approval-header h2 { margin-bottom: 4px; }
.approval-stats { margin: 16px 0 22px; }
.approval-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.9fr);
    gap: 20px;
    align-items: start;
}
.day-review-list {
    display: grid;
    gap: 14px;
}
.day-review-card {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    background: #fbfdff;
}
.day-review-card.is-empty {
    background: #f8fafc;
}
.day-review-card.has-hours {
    background: #ffffff;
}
.day-review-head {
    margin-bottom: 10px;
}
.day-review-title {
    font-weight: 700;
    font-size: 16px;
}
.day-review-total {
    font-weight: 700;
    color: var(--primary-dark);
    white-space: nowrap;
}
.compact-table th,
.compact-table td {
    padding: 9px 10px;
    font-size: 14px;
}
.summary-panel {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #fff;
    padding: 6px 14px;
    margin-bottom: 18px;
}
.summary-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.summary-row:last-child {
    border-bottom: none;
}
.review-box {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}
@media (max-width: 1100px) {
    .approval-layout {
        grid-template-columns: 1fr;
    }
}