:root, :root[data-bs-theme="dark"] {
    --brand: #6ea8fe;
    --brand-2: #20c997;
    --brand-hover: #7db4ff;
    --brand-active: #5a94e8;

    /* Poboljšane pozadine sa boljim kontrastom */
    --bg-1: #0a0e15;
    --bg-2: #101419;
    --bg-3: #161b23;
    --bg-4: #1c212a;

    /* Poboljšani tekst kontrasti */
    --text-1: #f0f3f7;
    --text-2: #c4cdd8;
    --text-3: #9ca5b3;
    --text-muted: #6b7380;

    /* Modernizovane granice */
    --border-1: #2a313d;
    --border-2: #333a47;
    --border-hover: #3f4752;

    /* Poboljšane sjenke */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);
    --shadow: 0 8px 24px rgba(0, 0, 0, .4), 0 4px 12px rgba(0, 0, 0, .2);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, .5), 0 8px 20px rgba(0, 0, 0, .3);

    /* Modernizirane zaobljene ćošete */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Animacije */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
    background-color: var(--bg-1) !important;
    color: var(--text-1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
}

/* Modernizovan navbar */
.navbar {
    background: linear-gradient(135deg, #0a0e15 0%, #101419 50%, #161b23 100%) !important;
    border-bottom: 1px solid var(--border-1);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.navbar .navbar-brand {
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-1) !important;
    font-size: 1.35rem;
    transition: var(--transition-fast);
}

.navbar .navbar-brand:hover {
    color: var(--brand-hover) !important;
    transform: translateY(-1px);
}

.navbar-nav .nav-link {
    color: var(--text-2) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    margin: 0 0.2rem;
}

.navbar-nav .nav-link:hover {
    color: var(--text-1) !important;
    background-color: rgba(110, 168, 254, 0.1);
    transform: translateY(-1px);
}

.navbar-nav .nav-link.active {
    color: var(--brand) !important;
    background-color: rgba(110, 168, 254, 0.15);
    font-weight: 600;
}

.navbar-text {
    color: var(--text-2) !important;
    font-weight: 500;
}

/* Modernizovani dugmad */
.btn-primary {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-active) 100%);
    border: 1px solid var(--brand-active);
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(110, 168, 254, 0.3);
    font-weight: 600;
    padding: 0.6rem 1.2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--brand-hover) 0%, var(--brand) 100%);
    border-color: var(--brand-hover);
    box-shadow: 0 6px 20px rgba(110, 168, 254, 0.4);
    transform: translateY(-2px);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(110, 168, 254, 0.3);
}

.btn-outline-light {
    border: 1px solid var(--border-2);
    color: var(--text-2);
    background: transparent;
    border-radius: var(--radius);
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-outline-light:hover {
    background: var(--bg-3);
    border-color: var(--border-hover);
    color: var(--text-1);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-outline-light.btn-sm {
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.2rem;
    height: 2.2rem;
}

/* Specifični stilovi za action dugmiće u tabelama */
.table .btn-sm,
.table form .btn-sm,
.table .d-inline .btn-sm {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 2.2rem !important;
    height: 2.2rem !important;
    padding: 0 !important;
    margin: 0 !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    border-width: 1px;
    font-weight: 500;
    vertical-align: top !important;
    line-height: 1 !important;
}

/* Form elementi u tabeli da ne dodaju margin/padding */
.table form {
    display: inline !important;
    margin: 0 !important;
    padding: 0 !important;
    vertical-align: top !important;
}

.table .d-inline {
    vertical-align: top !important;
}

/* Margin between action buttons */
.table .btn-sm.ms-1,
.table .d-inline.ms-1 {
    margin-left: 0.25rem !important;
}

.table .btn-sm i {
    font-size: 0.85rem;
    line-height: 1;
    margin: 0 !important;
    padding: 0 !important;
}

/* Specifično za male dugmiće sa ikonama - opšti stilovi */
.btn-sm {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 2.2rem !important;
    height: 2.2rem !important;
    padding: 0 !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    border-width: 1px;
    font-weight: 500;
    vertical-align: top !important;
    margin: 0 !important;
}

.btn-sm i {
    font-size: 0.85rem;
    line-height: 1;
    margin: 0 !important;
    padding: 0 !important;
}

/* Container za dugmiće da budu u istoj liniji */
.btn-sm + .btn-sm {
    margin-left: 0.25rem !important;
}

/* Outline dugmad malih veličina - svi sa istim baznim stilom */
.btn-outline-secondary.btn-sm,
.btn-outline-primary.btn-sm,
.btn-outline-danger.btn-sm {
    min-width: 2.2rem !important;
    height: 2.2rem !important;
    padding: 0 !important;
    border-width: 1px;
    font-weight: 500;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    vertical-align: top !important;
    margin: 0 !important;
}

.btn-outline-secondary.btn-sm {
    border-color: var(--border-2);
    color: var(--text-2);
}

.btn-outline-secondary.btn-sm:hover {
    background: var(--bg-3);
    border-color: var(--border-hover);
    color: var(--text-1);
    transform: translateY(-1px);
}

.btn-outline-primary.btn-sm {
    border-color: var(--brand);
    color: var(--brand);
}

.btn-outline-primary.btn-sm:hover {
    background: var(--brand);
    border-color: var(--brand);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(110, 168, 254, 0.3);
}

.btn-outline-danger.btn-sm {
    border-color: #f87171;
    color: #f87171;
}

.btn-outline-danger.btn-sm:hover {
    background: #f87171;
    border-color: #f87171;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(248, 113, 113, 0.3);
}

/* Modernizovane kartice */
.card {
    background: linear-gradient(135deg, var(--bg-2) 0%, var(--bg-3) 100%);
    border: 1px solid var(--border-1);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(110, 168, 254, 0.3), transparent);
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, var(--bg-3) 0%, var(--bg-4) 100%);
    border-bottom: 1px solid var(--border-1);
    padding: 1.2rem 1.5rem;
    font-weight: 600;
    color: var(--text-1);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-weight: 700;
    letter-spacing: 0.3px;
    color: var(--text-1);
    margin-bottom: 1rem;
}

/* Modernizovane tabele */
.table {
    color: var(--text-1);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead th {
    color: var(--text-1);
    background: var(--bg-4);
    border-bottom: 1px solid var(--border-1) !important;
    font-weight: 600;
    padding: 1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(255, 255, 255, 0.03);
}

.table td, .table th {
    border-color: var(--border-1) !important;
    padding: 0.9rem 1rem;
    vertical-align: middle;
}

.table tbody tr {
    transition: var(--transition-fast);
}

.table tbody tr:hover {
    background-color: rgba(110, 168, 254, 0.05) !important;
}

/* Modernizovane forme */
.form-control, .form-select {
    background-color: var(--bg-3);
    color: var(--text-1);
    border: 1px solid var(--border-1);
    border-radius: var(--radius);
    padding: 0.7rem 1rem;
    transition: var(--transition);
    font-weight: 500;
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-2);
    border-color: var(--brand);
    box-shadow: 0 0 0 0.2rem rgba(110, 168, 254, 0.25);
    color: var(--text-1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    color: var(--text-2);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.input-group-text {
    background-color: var(--bg-3);
    color: var(--text-2);
    border: 1px solid var(--border-1);
    border-radius: var(--radius);
}

/* Modernizovane alert poruke */
.alert {
    border-radius: var(--radius);
    border: 1px solid var(--border-1);
    padding: 1rem 1.2rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background: linear-gradient(135deg, rgba(32, 201, 151, 0.1) 0%, rgba(32, 201, 151, 0.05) 100%);
    border-color: rgba(32, 201, 151, 0.3);
    color: #7dd3c0;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(248, 113, 113, 0.1) 0%, rgba(248, 113, 113, 0.05) 100%);
    border-color: rgba(248, 113, 113, 0.3);
    color: #fca5a5;
}

.alert-warning {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1) 0%, rgba(251, 191, 36, 0.05) 100%);
    border-color: rgba(251, 191, 36, 0.3);
    color: #fcd34d;
}

.alert-info {
    background: linear-gradient(135deg, rgba(110, 168, 254, 0.1) 0%, rgba(110, 168, 254, 0.05) 100%);
    border-color: rgba(110, 168, 254, 0.3);
    color: var(--brand);
}

/* Modernizovani badge-ovi */
.badge {
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.7rem;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-sm);
}

.badge.bg-success {
    background: linear-gradient(135deg, #21c997 0%, #17a673 100%) !important;
    color: white !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, #f87171 0%, #dc2626 100%) !important;
    color: white !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%) !important;
    color: #1f2937 !important;
    font-weight: 700;
}

.badge.bg-secondary {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%) !important;
    color: white !important;
}

/* Modernizovan kalendar */
.calendar {
    display: grid;
    grid-template-columns: repeat(7, minmax(140px, 1fr));
    gap: 0.8rem;
    padding: 1rem;
    background: var(--bg-2);
    border-radius: var(--radius-lg);
}

.calendar .dow {
    font-weight: 700;
    text-align: center;
    color: var(--text-2);
    padding: 0.8rem;
    background: var(--bg-3);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.8rem;
}

.calendar .day {
    background: linear-gradient(135deg, var(--bg-3) 0%, var(--bg-4) 100%);
    border: 1px solid var(--border-1);
    border-radius: var(--radius);
    min-height: 120px;
    padding: 0.8rem;
    position: relative;
    transition: var(--transition);
    cursor: default;
    overflow: hidden;
}

.calendar .day::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--brand), transparent);
    opacity: 0;
    transition: var(--transition);
}

.calendar .day:hover {
    transform: translateY(-3px);
    border-color: var(--brand);
    box-shadow: var(--shadow);
}

.calendar .day:hover::before {
    opacity: 1;
}

.calendar .day.clickable {
    cursor: pointer;
}

.calendar .day.clickable:hover {
    background: linear-gradient(135deg, var(--bg-4) 0%, var(--bg-3) 100%);
}

.calendar .day.weekend {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.05) 0%, rgba(251, 191, 36, 0.02) 100%);
    border-color: rgba(251, 191, 36, 0.2);
}

.calendar .day.holiday {
    background: linear-gradient(135deg, rgba(248, 113, 113, 0.1) 0%, rgba(248, 113, 113, 0.05) 100%);
    border: 1px dashed rgba(248, 113, 113, 0.4);
}

.calendar .day.personal {
    background: linear-gradient(135deg, rgba(110, 168, 254, 0.1) 0%, rgba(110, 168, 254, 0.05) 100%);
    border: 1px dashed var(--brand);
}

.calendar .day.today {
    border: 2px solid var(--brand-2);
    box-shadow: 0 0 20px rgba(32, 201, 151, 0.3);
}

.calendar .date {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-1);
    margin-bottom: 0.5rem;
}

.calendar .badges {
    margin-top: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.badge-mini {
    font-size: 0.7rem;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
}

/* Modernizovane legenda */
.legend {
    color: var(--text-3);
    padding: 1rem;
    background: var(--bg-2);
    border-radius: var(--radius);
    margin-top: 1rem;
}

.legend .badge {
    margin-right: 0.5rem;
    margin-bottom: 0.3rem;
}

/* Pomoćne klase za tekst */
.small, .text-muted {
    color: var(--text-3) !important;
}

.text-secondary {
    color: var(--text-muted) !important;
}

hr {
    border-color: var(--border-1);
    opacity: 0.5;
}

/* Vac-remain badge (za preostale dane) */
.vac-remain {
    color: #1f2937;
    font-weight: 800;
    background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
    padding: 0.4rem 0.8rem;
    border-radius: 50%;
    font-size: 1.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 3rem;
    height: 3rem;
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
    transition: var(--transition);
}

.vac-remain:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(251, 191, 36, 0.4);
}

/* Users-edit tabela poboljšanja */
.users-edit {
    background: linear-gradient(135deg, var(--bg-3) 0%, var(--bg-4) 100%) !important;
    border: 1px solid var(--border-1) !important;
    border-radius: var(--radius-lg);
    padding: 1.5rem !important;
    box-shadow: var(--shadow);
}

.users-edit .btn {
    white-space: nowrap;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
}

.users-edit .form-select,
.users-edit .form-control {
    background-color: var(--bg-2);
    border-color: var(--border-1);
}

.user-edit-row > td {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* Responsive poboljšanja */
@media (max-width: 768px) {
    .calendar {
        grid-template-columns: repeat(7, minmax(100px, 1fr));
        gap: 0.5rem;
        padding: 0.5rem;
    }

    .calendar .day {
        min-height: 80px;
        padding: 0.5rem;
    }

    .card-body {
        padding: 1rem;
    }

    .navbar-nav .nav-link {
        padding: 0.4rem 0.8rem !important;
    }
}

/* Scroll bar stilizacija */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-2);
}

::-webkit-scrollbar-thumb {
    background: var(--border-2);
    border-radius: 4px;
}

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