:root {
    /* Primary: Indigo */
    --primary: #4F46E5;
    --primary-light: #818CF8;
    --primary-dark: #3730A3;
    --primary-50: #EEF2FF;
    --primary-100: #E0E7FF;

    /* Semantic colors */
    --secondary: #14B8A6;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;

    /* Neutrals: Slate */
    --dark: #0F172A;
    --gray-900: #0F172A;
    --gray-800: #1E293B;
    --gray-700: #334155;
    --gray-600: #64748B;
    --gray-500: #94A3B8;
    --gray-400: #CBD5E1;
    --gray-300: #E2E8F0;
    --gray-200: #F1F5F9;
    --gray-100: #F8FAFC;
    --white: #FFFFFF;

    /* Theme-aware surfaces */
    --body-bg: #F1F5F9;
    --card-bg: #FFFFFF;
    --border-color: #E2E8F0;
    --topbar-bg: rgba(255,255,255,0.85);
    --input-bg: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #64748B;

    /* Layout */
    --sidebar-width: 272px;
    --sidebar-collapsed: 0px;
    --topbar-height: 60px;

    /* Radii */
    --border-radius: 10px;
    --border-radius-sm: 6px;
    --border-radius-lg: 16px;

    /* Shadows: subtle, layered */
    --shadow-sm: 0 1px 2px rgba(15,23,42,0.04), 0 1px 3px rgba(15,23,42,0.06);
    --shadow: 0 1px 3px rgba(15,23,42,0.04), 0 4px 12px rgba(15,23,42,0.06);
    --shadow-lg: 0 4px 6px rgba(15,23,42,0.04), 0 10px 30px rgba(15,23,42,0.08);
    --shadow-xl: 0 8px 16px rgba(15,23,42,0.06), 0 20px 40px rgba(15,23,42,0.1);

    /* Transition */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);

    /* Razlog boje */
    --razlog-godisnji: #4CAF50;
    --razlog-bolovanje: #F44336;
    --razlog-sluzbeni: #2196F3;
    --razlog-privatni: #FF9800;
    --razlog-kuca: #9C27B0;
    --razlog-ostalo: #607D8B;
}

/* ============================================
   DARK MODE
   ============================================ */
[data-theme="dark"] {
    --dark: #E2E8F0;
    --gray-900: #E2E8F0;
    --gray-800: #CBD5E1;
    --gray-700: #94A3B8;
    --gray-600: #94A3B8;
    --gray-500: #64748B;
    --gray-400: #475569;
    --gray-300: #334155;
    --gray-200: #1E293B;
    --gray-100: #162032;
    --white: #0F172A;

    --body-bg: #0B1120;
    --card-bg: #1E293B;
    --border-color: #334155;
    --topbar-bg: rgba(15,23,42,0.85);
    --input-bg: #162032;
    --text-primary: #E2E8F0;
    --text-secondary: #94A3B8;

    --primary-50: rgba(79,70,229,0.15);
    --primary-100: rgba(79,70,229,0.2);

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2), 0 1px 3px rgba(0,0,0,0.3);
    --shadow: 0 1px 3px rgba(0,0,0,0.2), 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.2), 0 10px 30px rgba(0,0,0,0.4);
    --shadow-xl: 0 8px 16px rgba(0,0,0,0.3), 0 20px 40px rgba(0,0,0,0.5);
}

[data-theme="dark"] body {
    color-scheme: dark;
}

[data-theme="dark"] .alert-success {
    background: rgba(16,185,129,0.15);
    color: #6EE7B7;
    border-color: rgba(16,185,129,0.3);
}

[data-theme="dark"] .alert-error {
    background: rgba(239,68,68,0.15);
    color: #FCA5A5;
    border-color: rgba(239,68,68,0.3);
}

[data-theme="dark"] .alert-info {
    background: rgba(59,130,246,0.15);
    color: #93C5FD;
    border-color: rgba(59,130,246,0.3);
}

[data-theme="dark"] .kanban-kartica {
    background: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .kanban-kartica:hover {
    border-color: rgba(79,70,229,0.3);
}

[data-theme="dark"] .status-dot {
    border-color: var(--card-bg);
}

[data-theme="dark"] .badge-godisnji_odmor,
[data-theme="dark"] .badge-bolovanje,
[data-theme="dark"] .badge-sluzbeni_put,
[data-theme="dark"] .badge-izlazak_na_teren,
[data-theme="dark"] .badge-privatni_razlog,
[data-theme="dark"] .badge-rad_od_kuce,
[data-theme="dark"] .badge-ostalo {
    opacity: 0.9;
}

[data-theme="dark"] .badge-rucak,
[data-theme="dark"] .badge-kafa,
[data-theme="dark"] .badge-licna_pauza,
[data-theme="dark"] .badge-pauza_ostalo {
    opacity: 0.9;
}

[data-theme="dark"] select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--body-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* Layout */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding-top: var(--topbar-height);
    transition: var(--transition);
}

.main-content.sidebar-closed {
    margin-left: 0;
}

.page-content {
    padding: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn i {
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(79,70,229,0.3);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-300);
    color: var(--dark);
}

.btn-danger {
    background: var(--danger);
    color: var(--white);
}

.btn-danger:hover {
    background: #DC2626;
    color: var(--white);
}

.btn-success {
    background: var(--success);
    color: var(--white);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-600);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-50);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--input-bg);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-success {
    background: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.alert-error {
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

.alert-info {
    background: #EFF6FF;
    color: #1E40AF;
    border: 1px solid #BFDBFE;
}

.alert-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    padding: 0 4px;
}

.alert-close:hover {
    opacity: 1;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-godisnji_odmor { background: rgba(76,175,80,0.12); color: #2E7D32; }
.badge-bolovanje { background: rgba(244,67,54,0.12); color: #C62828; }
.badge-sluzbeni_put { background: rgba(33,150,243,0.12); color: #1565C0; }
.badge-izlazak_na_teren { background: rgba(0,188,212,0.12); color: #00838F; }
.badge-privatni_razlog { background: rgba(255,152,0,0.12); color: #E65100; }
.badge-rad_od_kuce { background: rgba(156,39,176,0.12); color: #7B1FA2; }
.badge-ostalo { background: rgba(96,125,139,0.12); color: #37474F; }

.badge-rucak { background: rgba(255,152,0,0.12); color: #E65100; }
.badge-kafa { background: rgba(121,85,72,0.12); color: #4E342E; }
.badge-licna_pauza { background: rgba(156,39,176,0.12); color: #7B1FA2; }
.badge-pauza_ostalo { background: rgba(96,125,139,0.12); color: #37474F; }

/* Table */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-color);
}

table th {
    font-weight: 600;
    color: var(--gray-600);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--gray-100);
    white-space: nowrap;
}

table th.sortable {
    cursor: pointer;
    user-select: none;
}

table th.sortable:hover {
    color: var(--primary);
}

table th.sortable::after {
    content: ' \2195';
    opacity: 0.4;
}

table th.sort-asc::after {
    content: ' \2191';
    opacity: 1;
}

table th.sort-desc::after {
    content: ' \2193';
    opacity: 1;
}

table tr:hover {
    background: var(--gray-100);
}

table td .actions {
    display: flex;
    gap: 6px;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    border: 1px solid var(--gray-300);
    color: var(--gray-600);
}

.pagination a:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination .active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-600);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state p {
    font-size: 0.95rem;
    margin-bottom: 16px;
}

/* Avatar */
.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.avatar-sm {
    width: 28px;
    height: 28px;
    font-size: 0.7rem;
}

/* Avatar with status indicator */
.avatar-wrapper {
    position: relative;
    display: inline-flex;
    flex-shrink: 0;
}

.avatar-wrapper-sm {
    width: 28px;
    height: 28px;
}

.avatar-wrapper-sm .status-dot {
    width: 8px;
    height: 8px;
    border-width: 1.5px;
}

.status-dot {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--white);
    z-index: 1;
}

.status-dot-sm {
    width: 8px;
    height: 8px;
    border-width: 1.5px;
}

.status-dot.status-online  { background: #10B981; }
.status-dot.status-offline { background: #94A3B8; }
.status-dot.status-zauzet  { background: #EF4444; }
.status-dot.status-odsutan { background: #F59E0B; }

/* User dropdown (topbar) */
.user-info-wrapper {
    position: relative;
}

.user-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 260px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    z-index: 200;
    overflow: hidden;
    animation: dropdownSlide 0.2s ease;
}

.user-dropdown.show {
    display: block;
}

@keyframes dropdownSlide {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-dropdown-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.user-dropdown-header strong {
    display: block;
    font-size: 0.875rem;
    color: var(--dark);
}

.user-dropdown-header small {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.user-dropdown-status {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.status-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border: none;
    background: none;
    font-family: 'Poppins', sans-serif;
    font-size: 0.82rem;
    color: var(--gray-700);
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    width: 100%;
    text-align: left;
}

.status-option:hover {
    background: var(--gray-100);
}

.status-option .status-dot {
    position: static;
    border: none;
    width: 8px;
    height: 8px;
}

.user-dropdown-footer {
    padding: 8px;
}

.user-dropdown-footer a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    color: var(--gray-700);
    font-size: 0.82rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.user-dropdown-footer a:hover {
    background: var(--gray-100);
    color: var(--dark);
}

/* Nav separator */
.nav-separator {
    padding: 14px 20px 6px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--gray-600);
    margin-top: 4px;
}

/* Theme toggle in dropdown */
.user-dropdown-theme {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
}

.theme-toggle-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border: none;
    background: none;
    font-family: 'Poppins', sans-serif;
    font-size: 0.82rem;
    color: var(--gray-700);
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    width: 100%;
    text-align: left;
}

.theme-toggle-btn:hover {
    background: var(--gray-100);
}

.theme-toggle-btn i {
    font-size: 1.1rem;
    color: var(--primary);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--gray-600);
    margin-bottom: 16px;
}

.breadcrumb a {
    color: var(--gray-600);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb .breadcrumb-sep {
    color: var(--gray-400);
    font-size: 0.7rem;
}

.breadcrumb .breadcrumb-current {
    color: var(--dark);
    font-weight: 500;
}

/* Utility */
.text-muted {
    color: var(--gray-600);
}

.text-sm {
    font-size: 0.8rem;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

/* ============================================
   POLISH & ANIMATIONS
   ============================================ */

/* Button press feedback */
.btn:active {
    transform: scale(0.98);
}

/* Page content fade-in */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-content > * {
    animation: fadeIn 0.3s ease both;
}

.page-content > *:nth-child(1) { animation-delay: 0s; }
.page-content > *:nth-child(2) { animation-delay: 0.05s; }
.page-content > *:nth-child(3) { animation-delay: 0.1s; }
.page-content > *:nth-child(4) { animation-delay: 0.15s; }
.page-content > *:nth-child(5) { animation-delay: 0.2s; }

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* ============ Notification Permission Banner ============ */
.notif-perm-banner {
    position: fixed;
    bottom: -120px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    width: 94%;
    max-width: 560px;
    transition: bottom 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.notif-perm-banner.show {
    bottom: 20px;
}

.notif-perm-content {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 16px 20px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.18);
}

.notif-perm-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.notif-perm-text {
    flex: 1;
    min-width: 0;
}

.notif-perm-text strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.notif-perm-text p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
}

.notif-perm-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.notif-perm-close {
    background: none;
    border: none;
    color: var(--gray-400);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: all 0.15s;
}

.notif-perm-close:hover {
    color: var(--text-primary);
    background: var(--gray-100);
}

/* ============ Notification Toast ============ */
.notif-toast {
    position: fixed;
    top: -100px;
    right: 20px;
    z-index: 10001;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card-bg);
    border: 1px solid var(--primary);
    border-radius: 12px;
    padding: 14px 18px;
    box-shadow: 0 8px 30px rgba(79,70,229,0.2);
    max-width: 380px;
    transition: top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.notif-toast.show {
    top: 80px;
}

.notif-toast-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-50);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.notif-toast-text {
    flex: 1;
    font-size: 0.82rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.notif-toast-close {
    background: none;
    border: none;
    color: var(--gray-400);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 2px 4px;
    flex-shrink: 0;
}

.notif-toast-close:hover {
    color: var(--text-primary);
}

/* ============ Bell ring animation ============ */
@keyframes bellRing {
    0%, 100% { transform: rotate(0deg); }
    10% { transform: rotate(14deg); }
    20% { transform: rotate(-14deg); }
    30% { transform: rotate(10deg); }
    40% { transform: rotate(-10deg); }
    50% { transform: rotate(6deg); }
    60% { transform: rotate(-4deg); }
    70% { transform: rotate(2deg); }
    80% { transform: rotate(0deg); }
}

.notif-bell-ring i {
    animation: bellRing 0.8s ease;
    display: inline-block;
}

/* ============ Responsive: Banner & Toast ============ */
@media (max-width: 480px) {
    .notif-perm-banner {
        width: 96%;
    }

    .notif-perm-content {
        padding: 12px 14px;
        gap: 10px;
    }

    .notif-perm-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .notif-perm-text strong { font-size: 0.8rem; }
    .notif-perm-text p { font-size: 0.7rem; }

    .notif-toast {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}