:root {
    --color-bg: #eef2f7;
    --color-card: #ffffff;
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-primary-soft: #eef0fe;
    --color-success: #16a34a;
    --color-success-soft: #ecfdf3;
    --color-danger: #dc2626;
    --color-danger-soft: #fef2f2;
    --color-warning: #d97706;
    --color-warning-soft: #fffbeb;
    --color-text: #1f2937;
    --color-muted: #6b7280;
    --color-border: #e5e7eb;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", -apple-system, Roboto, Helvetica, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

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

/* ---------- Topbar ---------- */

.topbar {
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: var(--shadow);
}

.topbar-inner {
    max-width: 1150px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--color-text);
}
.brand:hover { text-decoration: none; }

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--color-primary), #7c3aed);
    color: #fff;
    font-weight: 700;
}

.brand-text strong { color: var(--color-primary); }

.nav {
    display: flex;
    gap: 4px;
    flex: 1;
    flex-wrap: wrap;
}

.nav a {
    color: var(--color-muted);
    font-weight: 500;
    font-size: 0.92rem;
    padding: 8px 12px;
    border-radius: 8px;
}

.nav a:hover { background: var(--color-primary-soft); text-decoration: none; color: var(--color-primary); }

.nav a.active {
    background: var(--color-primary-soft);
    color: var(--color-primary);
}

.nav-toggle-input { display: none; }

.nav-toggle-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    order: 2;
    flex-shrink: 0;
}
.nav-toggle-btn:hover { background: var(--color-primary-soft); }
.nav-toggle-btn span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
}

.user-box {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.78rem;
}

.logout-link {
    color: var(--color-muted);
    border: 1px solid var(--color-border);
    padding: 6px 12px;
    border-radius: 8px;
}
.logout-link:hover { color: var(--color-danger); border-color: var(--color-danger); text-decoration: none; }

/* ---------- Layout ---------- */

.container {
    max-width: 1150px;
    margin: 0 auto;
    padding: 28px 24px 60px;
}

h1 { font-size: 1.55rem; font-weight: 700; margin: 4px 0 18px; letter-spacing: -0.01em; }
h2 { font-size: 1.15rem; font-weight: 600; margin: 28px 0 12px; }
h3 { font-size: 0.98rem; font-weight: 600; margin: 16px 0 8px; }

.card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 22px;
    margin-bottom: 22px;
}

/* ---------- Status card ---------- */

.status-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.status-date { color: var(--color-muted); font-size: 0.88rem; }

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
}

.status-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
}

.status-not_started { background: #f3f4f6; color: var(--color-muted); }
.status-not_started .status-dot { background: #9ca3af; }

.status-working { background: var(--color-success-soft); color: var(--color-success); }
.status-working .status-dot { background: var(--color-success); box-shadow: 0 0 0 4px rgba(22,163,74,0.15); }

.status-break { background: var(--color-warning-soft); color: var(--color-warning); }
.status-break .status-dot { background: var(--color-warning); box-shadow: 0 0 0 4px rgba(217,119,6,0.15); }

.status-finished { background: var(--color-primary-soft); color: var(--color-primary); }
.status-finished .status-dot { background: var(--color-primary); }

.stat-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.stat-tile {
    background: #f9fafb;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-tile-accent {
    background: var(--color-primary-soft);
    border-color: transparent;
}

.stat-label { font-size: 0.78rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-value { font-size: 1.35rem; font-weight: 700; }
.stat-tile-accent .stat-value { color: var(--color-primary); }

/* ---------- Tables ---------- */

.table, .mini-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th, .table td, .mini-table th, .mini-table td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    font-size: 0.9rem;
}

.table thead th, .mini-table thead th {
    background: #f9fafb;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-muted);
}

.table tbody tr:last-child td, .mini-table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #fafbfc; }

.muted { color: var(--color-muted); }

/* ---------- Forms ---------- */

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    align-items: end;
}

label { display: flex; flex-direction: column; gap: 6px; font-size: 0.88rem; font-weight: 500; color: var(--color-text); }

label.checkbox { flex-direction: row; align-items: center; font-weight: 400; }

input, select {
    padding: 9px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.92rem;
    font-family: inherit;
    background: #fff;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}

/* ---------- Buttons ---------- */

button, .btn {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: #fff;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.3;
    transition: background-color 0.15s, border-color 0.15s, transform 0.05s;
}
button:hover, .btn:hover { background: #f9fafb; text-decoration: none; }
button:active, .btn:active { transform: translateY(1px); }

.btn-primary, button.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }

.btn-lg { padding: 12px 22px; font-size: 0.98rem; }

.btn-sm { padding: 6px 12px; font-size: 0.82rem; border-radius: 7px; }

.btn-soft, button.btn-soft {
    background: var(--color-primary-soft);
    border-color: transparent;
    color: var(--color-primary);
}
.btn-soft:hover { background: #e0e3fd; color: var(--color-primary); }

.btn-ghost {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}
.btn-ghost:hover { background: #f3f4f6; }

.btn-danger, button.btn-danger {
    background: var(--color-danger);
    border-color: var(--color-danger);
    color: #fff;
}
.btn-danger:hover { background: #b91c1c; color: #fff; }

.btn-danger-soft {
    background: var(--color-danger-soft);
    border-color: transparent;
    color: var(--color-danger);
}
.btn-danger-soft:hover { background: #fde2e2; }

.btn-link {
    background: none;
    border: none;
    color: var(--color-primary);
    padding: 0;
    text-decoration: underline;
    font-weight: 400;
}

.btn-block { width: 100%; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }

.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

.inline-form { display: flex; gap: 8px; }

/* ---------- Auth ---------- */

.auth-box {
    max-width: 400px;
    margin: 80px auto;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
}

.auth-box h1 { text-align: center; margin-bottom: 22px; }

.auth-box form { display: flex; flex-direction: column; gap: 16px; }

/* ---------- Flash & badges ---------- */

.flash {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 0.9rem;
    font-weight: 500;
}
.flash-success { background: var(--color-success-soft); color: var(--color-success); }
.flash-error { background: var(--color-danger-soft); color: var(--color-danger); }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}
.badge-pending { background: var(--color-warning-soft); color: var(--color-warning); }
.badge-approved { background: var(--color-success-soft); color: var(--color-success); }
.badge-rejected { background: var(--color-danger-soft); color: var(--color-danger); }
.badge-holiday { background: var(--color-danger-soft); color: var(--color-danger); margin-left: 8px; }

.text-danger { color: var(--color-danger); font-weight: 600; }
.text-success { color: var(--color-success); font-weight: 600; }

.month-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    font-size: 0.92rem;
}

/* ---------- Calendar grid ---------- */

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
}

.calendar-day-header {
    text-align: center;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 4px 0;
}

.calendar-day {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    min-height: 84px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.calendar-day-outside { background: #f9fafb; color: var(--color-muted); }

.calendar-day-today { border-color: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary-soft); }

.calendar-day-holiday { background: var(--color-danger-soft); }

.calendar-day-top {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 4px;
}

.calendar-day-num { font-size: 0.82rem; font-weight: 600; }

.calendar-holiday-mark {
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-danger);
    letter-spacing: 0.02em;
}

.calendar-meniny {
    font-size: 0.68rem;
    color: var(--color-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calendar-entry {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 999px;
    width: fit-content;
}

.calendar-birthday { background: var(--color-warning-soft); color: var(--color-warning); }

@media (max-width: 640px) {
    .topbar-inner { gap: 12px; }
    .nav-toggle-btn { display: flex; margin-left: auto; }
    .user-box { order: 3; }
    .nav {
        order: 4;
        width: 100%;
        display: none;
        flex-direction: column;
        gap: 2px;
        margin-top: 8px;
        padding-top: 10px;
        border-top: 1px solid var(--color-border);
    }
    .nav-toggle-input:checked ~ .nav { display: flex; }
    .nav a { padding: 10px 12px; }
    .user-name { display: none; }
}