:root{
    --body-bg: radial-gradient(circle at top, #1d2537 0, #020617 55%);
    --bg: #050816;
    --surface: #111827;
    --surface-soft: #1f2937;
    --accent: #3b82f6;
    --accent-soft: rgba(59,130,246,0.15);
    --success: #22c55e;
    --danger: #ef4444;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --radius: 14px;
    --shadow: 0 18px 45px rgba(0,0,0,0.55);
    --border: #374151;
    --radius-sm: 14px;
}

/* Light téma – prepíše premenné, keď je na <body> class="theme-light" */
.theme-light {
    --body-bg: linear-gradient(to bottom, #f3f4f6, #e5e7eb);
    --bg: #f3f4f6;
    --surface: #ffffff;
    --surface-soft: #f9fafb;
    --accent: #2563eb;
    --accent-soft: rgba(37,99,235,0.12);
    --success: #15803d;
    --danger: #b91c1c;
    --text: #111827;
    --muted: #6b7280;
    --border: #e5e7eb;
}

*,
*::before,
*::after { box-sizing: border-box; }

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

/* AUTH */

.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 24px;
}

.auth-card {
    background: radial-gradient(circle at top left, rgba(56,189,248,0.06), transparent 55%), var(--surface);
    border-radius: 20px;
    padding: 28px 24px 24px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(148,163,184,0.4);
}

.auth-card h1 {
    margin: 0 0 18px;
    font-size: 1.6rem;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--muted);
}

.form-group input {
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #020617;
    color: var(--text);
    padding: 10px 14px;
    font-size: 0.95rem;
}

.theme-light .form-group input {
    background: var(--surface-soft);
}

.form-group.has-error input {
    border-color: var(--danger);
    box-shadow: 0 0 0 1px rgba(239,68,68,0.35);
}

.error-text {
    font-size: 0.8rem;
    color: var(--danger);
}

.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper input {
    width: 100%;
    padding-right: 38px;
}

.btn-eye {
    position: absolute;
    right: 6px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--muted);
}

.btn-primary {
    border-radius: 999px;
    border: none;
    padding: 6px 9px;
    font-size: 0.7rem;
    background: linear-gradient(to right, #3b82f6, #22c55e);
    color: white;
    cursor: pointer;
    font-weight: 600;
    margin-top: 18px;
    text-decoration: none;
}

.btn-primary:hover {
    filter: brightness(1.05);
}

.auth-links {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 0.85rem;
}

.auth-links a {
    color: var(--muted);
    text-decoration: none;
}

.auth-links a:hover {
    color: var(--accent);
}

.alert {
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.alert-error {
    background: rgba(239,68,68,0.12);
    border: 1px solid rgba(239,68,68,0.4);
    color: #fecaca;
}
.theme-light .alert-error {
    color: #7f1d1d;
}
.alert-success {
    background: rgba(34,197,94,0.12);
    border: 1px solid rgba(34,197,94,0.4);
    color: #bbf7d0;
}
.theme-light .alert-success {
    color: #166534;
}

/* APP LAYOUT */

.app-body {
    min-height: 100vh;
}

.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background: radial-gradient(circle at top left, rgba(59,130,246,0.25), transparent 55%), #020617;
    border-right: 1px solid var(--border);
    padding: 18px 14px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Svetlá téma – svetlý sidebar */
.theme-light .sidebar {
    background: radial-gradient(circle at top left, rgba(37,99,235,0.08), transparent 55%), #f9fafb;
}

.sidebar-logo {
    font-weight: 700;
    font-size: 1.1rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.93rem;
}

.sidebar-nav a {
    padding: 8px 10px;
    border-radius: 999px;
    color: var(--muted);
    text-decoration: none;
}

.sidebar-nav a:hover {
    background: rgba(148,163,184,0.12);
    color: var(--text);
}

.main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: 56px;
    padding: 0 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(15,23,42,0.96);
    backdrop-filter: blur(10px);
}
.theme-light .topbar {
    background: rgba(249,250,251,0.96);
}

.topbar-title {
    font-weight: 600;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
}

/* pravá strana topbaru: prepínač témy + user info */

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-logout {
    border-radius: 999px;
    border: 1px solid var(--border);
    padding: 6px 12px;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.85rem;
}

.btn-logout:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.content {
    padding: 18px 22px 40px;
}

/* TEXTOVÝ TEMA TOGGLE */

.theme-toggle-form {
    margin: 0;
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
}

.theme-label {
    color: var(--muted);
}
.theme-label.active {
    color: var(--accent);
    font-weight: 600;
}

.theme-switch {
    position: relative;
    width: 40px;
    height: 20px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface-soft);
    padding: 0;
    cursor: pointer;
    overflow: hidden;
}
.theme-switch-handle {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: var(--accent);
    transition: transform 0.18s ease;
}
.theme-switch.is-on .theme-switch-handle {
    transform: translateX(18px);
}

/* Buttons */

.btn-secondary {
    border-radius: 999px;
    border: 1px solid var(--border);
    padding: 8px 14px;
    background: var(--surface-soft);
    color: var(--text);
    cursor: pointer;
}

.btn-link {
    border: none;
    background: transparent;
    color: var(--accent);
    text-decoration: none;
    padding: 0 8px;
    font-size: 13px;

}

.btn-sm {
    border-radius: 999px;
    border: 1px solid var(--border);
    padding: 4px 8px;
    font-size: 0.8rem;
    background: var(--surface-soft);
    color: var(--text);
    cursor: pointer;
    text-decoration: none;
}

.btn-sm.btn-danger {
    border-color: var(--danger);
    color: #b82f2f;
}

/* Cards */

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin: 16px 0;
}

.card {
    background: var(--surface);
    border-radius: 16px;
    padding: 12px 14px;
    border: 1px solid rgba(148,163,184,0.3);
}

.card-label {
    font-size: 0.85rem;
    color: var(--muted);
}

.card-value {
    margin-top: 4px;
    font-size: 1.4rem;
    font-weight: 600;
}

/* Tables */

.table-wrapper {
    margin-top: 16px;
    overflow-x: auto;
}

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

/* Riadok vlastného vstupu admina – zelené podsvietenie s alfou */
.table tr.row-own-entry {
    background: rgba(34,197,94,0.16);
}

.theme-light .table tr.row-own-entry {
    background: rgba(34,197,94,0.14);
}

.table th,
.table td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    line-height: 1.3;
}

.table thead th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
}

.table-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.inline-form {
    display: inline-block;
    margin: 0;
}

/* Badges */

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 0.75rem;
}

.badge-success {
    background: rgba(34,197,94,0.18);
    color: #bbf7d0;
}
.theme-light .badge-success {
    color: #166534;
}
.badge-danger {
    background: rgba(239,68,68,0.18);
    color: #fecaca;
}
.theme-light .badge-danger {
    color: #7f1d1d;
}

/* Form-inline */

.form-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin: 10px 0 14px;
}

.form-inline label {
    font-size: 0.85rem;
    color: var(--muted);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-inline input {
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #424658;
    color: var(--text);
    padding: 6px 10px;
}
.theme-light .form-inline input {
    background: var(--surface-soft);
}

.form-inline textarea {
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #424658;        /* tmavá téma */
    color: var(--text);
    padding: 6px 10px;
    min-width: 280px;
    max-width: 600px;
}

/* Svetlá téma – rovnako ako pre inputy */
.theme-light .form-inline textarea {
    background: var(--surface-soft);
}


/* Calendar */

.calendar-wrapper {
    margin-top: 10px;
    display: inline-block;
    padding: 8px;
    border-radius: var(--radius-sm);
    background: var(--surface);
    
}

/* horný riadok kalendára – mesiac/rok + šípky */
.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 4px;
    font-size: 0.8rem;
}

.calendar-header-main {
    display: flex;
    align-items: center;
    gap: 6px;
}

.calendar-title {
    font-weight: 600;
}

.calendar-nav-btn {
    border-radius: 999px;
    border: 1px solid var(--border);
    padding: 2px 6px;
    background: var(--surface-soft);
    color: var(--muted);
    font-size: 0.75rem;
    text-decoration: none;
}
.calendar-nav-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* riadok s 12 mesiacmi aktuálneho roka */
.calendar-months {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 6px;
}

.calendar-months a {
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 999px;
    text-decoration: none;
    background: var(--surface-soft);
    color: var(--muted);
    border: 1px solid transparent;
}
.calendar-months a.is-active {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: var(--accent);
}

/* samotná tabuľka kalendára (mini, 300px) */

.calendar {
    width: 300px;
    table-layout: fixed;
    border-collapse: collapse;
    font-size: 0.7rem;
}

.calendar th,
.calendar td {
    border: 1px solid var(--border);
    padding: 2px 4px;
    text-align: center;
    height: 14px;           /* tu je tých požadovaných ~14px */
}

.calendar thead th {
    background: var(--surface-soft);
    color: var(--muted);
    font-weight: 500;
}

.calendar td.empty {
    background: #020617;
}
.theme-light .calendar td.empty {
    background: var(--surface);
}

.cal-day-num {
    font-weight: 500;
}

/* farby dní so vstupmi */

.calendar td.has-approved {
    background: rgba(34,197,94,0.16);
}

.calendar td.has-pending {
    background: rgba(245,158,11,0.16);
}

/* copy input */

.copy-input {
    width: 100%;
    padding: 4px 6px;
    font-size: 0.8rem;
    border-radius: 6px;
    border: 1px dashed var(--border);
    background: #020617;
    color: var(--muted);
}
.theme-light .copy-input {
    background: var(--surface-soft);
}

/* Responsive */

@media (max-width: 900px) {
    .layout {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
    }
    .sidebar-nav {
        flex-direction: row;
        flex-wrap: wrap;
    }
}

/* Logo na login stránke */
.logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 6px 0 18px;
}

.logo img {
    width: 320px;      /* požadovaná šírka */
    height: auto;
    display: block;
}

/* Dashboard layout (kalendár + štatistiky vedľa seba) */
.dashboard-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    align-items: flex-start;
    margin-top: 10px;
}

.dashboard-left {
    flex: 0 0 auto;
}

.dashboard-right {
    flex: 1 1 260px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.calendar-link {
    margin-top: 10px;
}

/* grid pre KPI a štatistiky */
.dashboard-kpi-grid,
.dashboard-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

/* zvýraznenie ne-schlávlených / kritických kariet */
.card-danger {
    background: rgba(239,68,68,0.10);
    border-color: rgba(239,68,68,0.55);
}
.theme-light .card-danger {
    background: rgba(248,113,113,0.10);
}

/* menší variant hodnoty v kartách štatistík */
.card-value-sm {
    margin-top: 4px;
    font-size: 1.05rem;
    font-weight: 600;
}

.card-meta {
    margin-top: 2px;
    font-size: 0.8rem;
    color: var(--muted);
}

/* na menších displejoch nech sa to zalomí pekne pod seba */
@media (max-width: 900px) {
    .dashboard-layout {
        flex-direction: column;
    }
}