:root {
    --aod-primary: #2B4A3F;
    --aod-primary-dark: #1E3830;
    --aod-primary-light: #3D6455;
    --aod-accent: #C9A24B;
    --aod-danger: #B3261E;
    --aod-bg: #F5F6F5;
    --aod-sidebar-width: 260px;
}

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

.card-title-main {
    text-transform: uppercase;
    text-align: center;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--aod-primary);
    margin-bottom: 1.5rem;
}

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

.btn-aod-secondary {
    background-color: #6C757D;
    border-color: #6C757D;
    color: #fff;
}
.btn-aod-secondary:hover, .btn-aod-secondary:focus {
    background-color: #545b62;
    border-color: #545b62;
    color: #fff;
}

.btn-aod-danger {
    background-color: var(--aod-danger);
    border-color: var(--aod-danger);
    color: #fff;
}
.btn-aod-danger:hover, .btn-aod-danger:focus {
    background-color: #8f1e18;
    border-color: #8f1e18;
    color: #fff;
}

/* ---------- Sidebar layout ---------- */
.aod-shell {
    display: flex;
    min-height: 100vh;
}

.aod-sidebar {
    width: var(--aod-sidebar-width);
    background-color: var(--aod-primary);
    color: #fff;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 1030;
    transition: transform 0.2s ease-in-out;
}

.aod-sidebar .logo-area {
    padding: 1.5rem 1rem;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.15);
}

.aod-sidebar .logo-area img {
    max-width: 100%;
    max-height: 64px;
}

.aod-sidebar .logo-placeholder {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    color: #fff;
}

.aod-sidebar nav {
    flex: 1;
    padding: 1rem 0;
}

.aod-sidebar .nav-link {
    color: rgba(255,255,255,0.85);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    border-left: 3px solid transparent;
}

.aod-sidebar .nav-link:hover {
    background-color: rgba(255,255,255,0.08);
    color: #fff;
}

.aod-sidebar .nav-link.active {
    background-color: rgba(255,255,255,0.12);
    border-left-color: var(--aod-accent);
    color: #fff;
}

.aod-sidebar .logout-area {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.aod-main {
    flex: 1;
    margin-left: var(--aod-sidebar-width);
    padding: 1.5rem;
    width: 100%;
}

.aod-topbar {
    display: none;
    align-items: center;
    justify-content: space-between;
    background-color: var(--aod-primary);
    color: #fff;
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    z-index: 1020;
}

.aod-topbar button {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
}

@media (max-width: 991.98px) {
    .aod-sidebar {
        transform: translateX(-100%);
    }
    .aod-sidebar.open {
        transform: translateX(0);
    }
    .aod-main {
        margin-left: 0;
    }
    .aod-topbar {
        display: flex;
    }
}

/* ---------- Predmeti list row hover ---------- */
.aod-row-link {
    cursor: pointer;
    transition: background-color 0.15s ease-in-out;
}
.aod-row-link:hover {
    background-color: rgba(43, 74, 63, 0.06);
}

/* ---------- Login screen ---------- */
.aod-login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, var(--aod-primary) 0%, var(--aod-primary-dark) 100%);
}

.aod-login-card {
    max-width: 380px;
    width: 100%;
}

[x-cloak] { display: none !important; }

/* ---------- Kalendar ---------- */
.aod-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.5rem;
}

.aod-calendar-cell {
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    padding: 0.75rem;
    min-height: 130px;
}

@media (max-width: 767.98px) {
    .aod-calendar-grid { gap: 0.25rem; }
    .aod-calendar-cell { min-height: 80px; padding: 0.4rem; font-size: 0.8rem; }
}

/* ---------- Print documents ---------- */
@media print {
    .no-print { display: none !important; }
    body { background: #fff; }
}