:root {
    --font-sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --color-bg: #f4f6f9;
    --color-surface: #ffffff;
    --color-surface-soft: #f9fafb;
    --color-text: #1d2733;
    --color-muted: #5d6b7a;
    --color-primary: #0f4c81;
    --color-primary-hover: #0c3f6a;
    --color-secondary: #e2e8f0;
    --color-border: #d7dee6;
    --color-success: #137a4a;
    --color-warning: #9a6a00;
    --color-danger: #ab2f2f;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
    --shadow-md: 0 8px 20px rgba(16, 24, 40, 0.08);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --control-height: 40px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: linear-gradient(180deg, #f4f6f9 0%, #eef3f8 100%);
}

.container {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: var(--space-4);
}

.container-auth {
    width: min(1100px, 92vw);
    margin: var(--space-6) auto;
    padding: 0;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--space-5);
}

.app-shell {
    min-height: calc(100vh - (var(--space-4) * 2));
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
}

.app-sidebar {
    position: sticky;
    top: var(--space-4);
}

.app-sidebar-card {
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.app-brand {
    font-size: 22px;
    letter-spacing: 0.2px;
}

.app-user {
    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.4;
}

.app-user small {
    color: var(--color-text);
    font-weight: 700;
}

.app-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.sidebar-link {
    display: flex;
    align-items: center;
    min-height: var(--control-height);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-secondary);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    padding: 0 var(--space-3);
}

.sidebar-link:hover {
    border-color: #b9c5d3;
}

.sidebar-link.is-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.app-logout .btn {
    width: 100%;
}

.app-main {
    min-width: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: var(--control-height);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    padding: 0 var(--space-4);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { background: var(--color-secondary); color: var(--color-text); border-color: var(--color-border); }
.btn-danger { background: var(--color-danger); color: #fff; }

.input,
.select,
.textarea {
    width: 100%;
    height: var(--control-height);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0 var(--space-3);
    background: #fff;
    color: var(--color-text);
}

.textarea {
    min-height: 120px;
    padding-top: var(--space-3);
    resize: vertical;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}
.table th,
.table td {
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3);
    text-align: left;
    font-size: 14px;
}

.field-note {
    display: block;
    margin-top: 6px;
    color: var(--color-muted);
    font-size: 13px;
}

.timeline-scale {
    display: flex;
    justify-content: space-between;
    color: var(--color-muted);
    font-size: 12px;
    margin-bottom: 6px;
}

.timeline-track {
    position: relative;
    height: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fff;
    overflow: hidden;
}

.timeline-segment {
    position: absolute;
    top: 4px;
    height: 18px;
    border-radius: 6px;
}

.timeline-segment-work { background: var(--color-primary); }
.timeline-segment-break { background: var(--color-danger); }

.timeline-empty {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    font-size: 13px;
}

.timeline-legend {
    display: flex;
    gap: 16px;
    margin-top: 8px;
    color: var(--color-muted);
    font-size: 13px;
}

.timeline-legend i {
    display: inline-block;
    width: 14px;
    height: 10px;
    border-radius: 4px;
    margin-right: 6px;
    vertical-align: middle;
}

.timeline-legend-work { background: var(--color-primary); }
.timeline-legend-break { background: var(--color-danger); }

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(13, 23, 34, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1000;
}

.modal-card {
    width: min(640px, 100%);
    max-height: 90vh;
    overflow: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--space-5);
}

.modal-card h2 {
    margin-top: 0;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}
.badge-primary { color: #fff; background: var(--color-primary); }
.badge-success { color: #fff; background: var(--color-success); }
.badge-warning { color: #fff; background: var(--color-warning); }
.badge-danger { color: #fff; background: var(--color-danger); }

.actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-top: var(--space-4);
}

.profile-photo {
    display: block;
    width: 120px;
    height: 120px;
    border-radius: 14px;
    object-fit: cover;
    border: 1px solid var(--color-border);
    margin-bottom: 8px;
    background: #f8fafc;
}

.profile-photo-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    font-size: 13px;
}

.calendar-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.calendar-title {
    margin: 0;
}

.calendar-subtitle {
    margin-top: 6px;
}

.calendar-filter-row {
    display: grid;
    grid-template-columns: 220px minmax(260px, 1fr) auto;
    gap: var(--space-3);
    align-items: end;
}

.calendar-month-label {
    margin-top: var(--space-3);
    margin-bottom: var(--space-2);
    font-weight: 700;
    color: var(--color-text);
}

.calendar-grid-wrap {
    overflow: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fff;
}

.calendar-grid {
    min-width: 1040px;
}

.calendar-grid th,
.calendar-grid td {
    border-bottom: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    padding: 6px;
    text-align: center;
    vertical-align: middle;
}

.calendar-name-head {
    position: sticky;
    left: 0;
    min-width: 250px;
    text-align: left;
    z-index: 3;
    background: #f3f6fa;
}

.calendar-name-cell {
    position: sticky;
    left: 0;
    min-width: 250px;
    text-align: left;
    background: #fff;
    z-index: 2;
}

.calendar-person {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.calendar-person small {
    color: var(--color-muted);
    font-size: 12px;
}

.calendar-day-head {
    min-width: 42px;
    background: #f8fafc;
    font-size: 12px;
}

.calendar-day-head span {
    display: block;
    font-weight: 700;
    line-height: 1.1;
}

.calendar-day-head small {
    color: var(--color-muted);
    font-size: 11px;
}

.calendar-day-cell {
    min-width: 42px;
    background: #fff;
}

.calendar-day-weekend {
    background: #f5f7fb;
}

.calendar-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
    height: 24px;
    padding: 0 6px;
    border-radius: 7px;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.2px;
}

.calendar-chip-empty {
    border: 1px dashed #d5dde8;
    color: #9aa7b7;
    background: #fbfcfe;
}

.calendar-chip-work {
    color: #fff;
    background: #1f5d98;
}

.calendar-chip-work-pending {
    color: #0c3f6a;
    background: #dbeaf8;
    border: 1px solid #9dc1e4;
}

.calendar-chip-work-draft {
    color: #fff;
    background: #47627d;
}

.calendar-chip-work-rejected {
    color: #fff;
    background: #a03232;
}

.calendar-chip-vacation {
    color: #0f5132;
    background: #d9f2e6;
    border: 1px solid #a8dbbf;
}

.calendar-chip-sick {
    color: #7f1d1d;
    background: #fde2e2;
    border: 1px solid #efb4b4;
}

.calendar-chip-special {
    color: #5d3a07;
    background: #fdecc8;
    border: 1px solid #efcf86;
}

.calendar-chip-unpaid {
    color: #4a2f8a;
    background: #ece5ff;
    border: 1px solid #c9b9f4;
}

.calendar-chip-absence {
    color: #1f2937;
    background: #e7edf4;
    border: 1px solid #c8d3df;
}

.calendar-chip-pending {
    outline: 2px dashed rgba(15, 76, 129, 0.35);
    outline-offset: 1px;
}

.calendar-legend {
    margin-top: var(--space-4);
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    color: var(--color-muted);
    font-size: 13px;
}

.calendar-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

@media (max-width: 768px) {
    .container { padding: var(--space-3); }
    .container-auth { width: min(100%, 94vw); margin: var(--space-4) auto; }
    .app-shell { min-height: auto; grid-template-columns: 1fr; }
    .app-sidebar { position: static; }
    .app-sidebar-card { gap: var(--space-3); }
    .app-menu { flex-direction: row; flex-wrap: nowrap; overflow-x: auto; padding-bottom: var(--space-1); }
    .sidebar-link { flex: 0 0 auto; }
    .app-logout .btn { width: auto; }
    .card { padding: var(--space-4); }
    .calendar-filter-row { grid-template-columns: 1fr; }
    .calendar-name-head,
    .calendar-name-cell { min-width: 200px; }
}