:root {
    --white: #ffffff;
    --black: #000000;
    --gray-100: #f5f5f5;
    --gray-200: #e0e0e0;
    --gray-300: #cccccc;
    --gray-400: #aaaaaa;
    --gray-500: #888888;
    --gray-600: #666666;
    --gray-700: #444444;
    --gray-800: #333333;
    --gray-900: #222222;
    --gray-950: #111111;
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: #111111;
    --bg-card-hover: #1a1a1a;
    --bg-elevated: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --text-muted: #666666;
    --border-color: #222222;
    --border-light: #333333;
    --bmw-blue: #1c69d4;
    --bs-border-radius: 8px;
    --bs-border-radius-lg: 12px;
    --bs-border-radius-sm: 4px;
    --bs-box-shadow: 0 0 15px rgba(255, 255, 255, 0.03);
    --bs-box-shadow-lg: 0 0 30px rgba(255, 255, 255, 0.06);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

h1 {
    position: relative;
    display: inline-block;
}

h1::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

a {
    color: var(--white);
    transition: all 0.2s;
}

a:hover {
    color: var(--gray-200);
}

.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.02);
    padding: 0.85rem 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--bmw-blue), transparent);
    z-index: 0;
}

.navbar .container {
    position: relative;
    z-index: 2;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.03);
}

.navbar-brand {
    font-weight: 800;
    color: var(--text-primary) !important;
    font-size: 1.35rem;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.25rem 0;
}

.navbar-brand .brand-icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--bg-elevated);
    color: var(--white);
    font-size: 1.1rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-600);
    overflow: hidden;
}

.navbar-brand .brand-icon-wrapper .navbar-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 3px;
}

.navbar-brand:hover .brand-icon-wrapper {
    transform: scale(1.1);
    border-color: var(--white);
}

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

.navbar-nav {
    gap: 0.15rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.5rem 0.85rem !important;
    border-radius: 8px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: -1;
}

.nav-link:hover {
    color: var(--white) !important;
    transform: translateY(-1px);
}

.nav-link:hover::before {
    opacity: 1;
}

.nav-link.active {
    color: var(--white) !important;
    font-weight: 600;
}

.nav-link.active::before {
    opacity: 1;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: var(--white);
    border-radius: 3px;
}

.nav-link i {
    opacity: 0.7;
    font-size: 0.9em;
    width: 18px;
    text-align: center;
    margin-right: 0.2rem;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-link:hover i {
    opacity: 1;
    transform: scale(1.15);
}

/* Sociální ikony v navbar liště (vpravo) */
.navbar-social-icons {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-left: auto;
    padding-left: 0.75rem;
}

.navbar-social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary) !important;
    font-size: 1.15rem;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.navbar-social-link:hover {
    color: var(--white) !important;
    border-color: var(--gray-600);
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 991.98px) {
    .navbar-social-link {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }
}

.navbar-toggler {
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    transition: all 0.3s ease;
    border-radius: 8px;
    background: transparent;
    position: relative;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.navbar-toggler:hover {
    border-color: var(--gray-600);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23ffffff' stroke-width='2.5' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
    width: 1.5em;
    height: 1.5em;
    transition: transform 0.3s ease;
}

.nav-item.dropdown .nav-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    color: var(--text-primary) !important;
    padding: 0.4rem 0.85rem !important;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.nav-item.dropdown .nav-link:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--gray-600);
}

.nav-item.dropdown .nav-link .user-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--white);
    color: var(--bg-primary);
    font-size: 0.65rem;
    font-weight: 700;
    margin-left: 0.15rem;
}

.dropdown-menu {
    border: 1px solid var(--border-color);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    border-radius: 12px;
    padding: 0.5rem;
    min-width: 220px;
    background: var(--bg-elevated);
    animation: dropdownFadeIn 0.2s ease-out;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.dropdown-item {
    border-radius: 8px;
    padding: 0.6rem 1rem;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.7rem;
    transition: all 0.15s ease;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
    transform: translateX(3px);
}

.dropdown-item i {
    width: 18px;
    opacity: 0.7;
    font-size: 0.9em;
    text-align: center;
}

.dropdown-divider {
    margin: 0.4rem 0;
    opacity: 0.15;
    border-color: var(--border-color);
}

.nav-register-btn {
    padding: 0.4rem 1rem !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    font-size: 0.875rem !important;
    margin-left: 0.5rem !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    border: 1px solid var(--gray-600) !important;
    background: transparent !important;
    color: var(--white) !important;
}

.nav-register-btn:hover {
    transform: translateY(-2px) !important;
    border-color: var(--white) !important;
    background: rgba(255, 255, 255, 0.06) !important;
}

@media (max-width: 991.98px) {
    .navbar {
        padding: 0.6rem 0;
    }

    .navbar-brand {
        font-size: 1.15rem;
    }

    .navbar-collapse {
        background: var(--bg-elevated);
        border-radius: 12px;
        padding: 0.75rem;
        box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
        margin-top: 0.75rem;
        border: 1px solid var(--border-color);
        max-height: 70vh;
        overflow-y: auto;
    }

    .navbar-nav {
        padding: 0.25rem 0;
        gap: 0.1rem;
    }

    .nav-link {
        padding: 0.65rem 1rem !important;
        border-radius: 8px;
        font-size: 0.95rem;
    }

    .nav-link.active::after {
        display: none;
    }

    .nav-item.dropdown .nav-link {
        padding: 0.55rem 1rem !important;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1rem;
    }

    .navbar-brand .brand-icon-wrapper {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
}

.navbar {
    z-index: 9998 !important;
    overflow: visible !important;
}
.navbar-collapse {
    z-index: 9999 !important;
}
.dropdown-menu {
    z-index: 10000 !important;
}

.btn {
    border-radius: var(--bs-border-radius);
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    transition: all 0.2s;
    border: 1px solid transparent;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: transparent;
    border-color: var(--gray-600);
    color: var(--white);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-outline-primary {
    color: var(--white);
    border-color: var(--gray-600);
    background-color: transparent;
    border-width: 1px;
}

.btn-outline-primary:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-success {
    background: transparent;
    border-color: var(--gray-600);
    color: var(--white);
}

.btn-success:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-outline-success {
    color: var(--white);
    border-color: var(--gray-600);
}

.btn-outline-success:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--white);
    color: var(--white);
}

.btn-danger {
    background: transparent;
    border-color: var(--gray-600);
    color: var(--gray-300);
}

.btn-danger:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-outline-danger {
    color: var(--gray-300);
    border-color: var(--gray-600);
}

.btn-outline-danger:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--white);
    color: var(--white);
}

.btn-secondary {
    background: var(--bg-elevated);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--gray-600);
    color: var(--white);
    transform: translateY(-2px);
}

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

.btn-outline-secondary:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--gray-600);
    color: var(--white);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
}

.card {
    border: 1px solid var(--border-color);
    border-radius: var(--bs-border-radius);
    background-color: var(--bg-card);
    box-shadow: var(--bs-box-shadow);
    transition: all 0.3s;
    margin-bottom: 1.5rem;
    overflow: hidden;
    position: relative;
}

.card-title {
    color: var(--text-primary) !important;
    font-weight: 700;
}

.card-title a {
    color: var(--text-primary) !important;
    text-decoration: none;
}

.card-title a:hover {
    color: var(--gray-200) !important;
}

.card-text {
    color: var(--text-secondary) !important;
    line-height: 1.6;
}

.card-body .text-muted,
.card-body small.text-muted {
    color: var(--gray-500) !important;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gray-700);
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover {
    box-shadow: var(--bs-box-shadow-lg);
    transform: translateY(-4px);
    border-color: var(--gray-700);
    background-color: var(--bg-card-hover);
}

.card:hover::before {
    opacity: 1;
}

.card-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 700;
    padding: 1rem 1.25rem;
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--white);
}

.card-body {
    padding: 1.25rem;
    color: var(--text-primary);
}

.hero-section {
    background-image: url('/static/main/images/header.png');
    background-size: 100% auto;
    background-position: center top;
    background-repeat: no-repeat;
    height: auto;
    aspect-ratio: 1584 / 470;
    margin: 0 auto 2rem;
    border-radius: 0 0 12px 12px;
    position: relative;
    overflow: hidden;
    width: 80%;
}

.hero-section > .container {
    position: relative;
    z-index: 1;
}

.hero-section .bg-light {
    background-color: var(--bg-elevated) !important;
    border: 1px solid var(--gray-700);
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.hero-section .bg-light i {
    color: var(--white);
    font-size: 3.5rem;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hero-section h1::after {
    width: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
}

.hero-section .lead {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
    font-weight: 500;
}

.footer {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 3rem 0 1.5rem;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-600), transparent);
}

.footer h5 {
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--white);
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    padding: 0.25rem 0;
    display: inline-block;
    opacity: 0.8;
}

.footer a:hover {
    color: var(--white);
    opacity: 1;
    transform: translateX(5px);
}

.footer .social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: all 0.3s;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
}

.footer .social-icons a:hover {
    color: var(--bg-primary);
    background-color: var(--white);
    border-color: var(--white);
    transform: translateY(-3px);
}

.badge {
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
}

.badge.bg-primary {
    background: transparent !important;
    border-color: var(--gray-600);
    color: var(--white) !important;
}

.badge.bg-success {
    background: transparent !important;
    border-color: var(--gray-600);
    color: var(--gray-200) !important;
}

.badge.bg-warning {
    background: transparent !important;
    border-color: var(--gray-600);
    color: var(--gray-200) !important;
}

.badge.bg-danger {
    background: transparent !important;
    border-color: var(--gray-600);
    color: var(--gray-300) !important;
}

.badge.bg-info {
    background: transparent !important;
    border-color: var(--gray-600);
    color: var(--white) !important;
}

.badge.bg-light {
    background: var(--bg-elevated) !important;
    border-color: var(--border-color);
    color: var(--text-secondary) !important;
}

.form-control, .form-select {
    border: 1px solid var(--gray-600);
    border-radius: var(--bs-border-radius);
    padding: 0.6rem 0.85rem;
    font-size: 1rem;
    background-color: #333333;
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
    color: var(--text-primary);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.form-control:focus, .form-select:focus {
    border-color: var(--gray-400);
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.12), inset 0 2px 4px rgba(0, 0, 0, 0.3);
    background-color: #3a3a3a;
    outline: none;
}

.form-control::placeholder {
    color: var(--gray-500);
    opacity: 0.8;
}

.form-label {
    color: var(--gray-200);
    font-weight: 600;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}

.form-text {
    color: var(--gray-500) !important;
    font-size: 0.85rem;
    margin-top: 0.35rem;
}

.form-control.is-invalid, .form-select.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 0.2rem rgba(239, 68, 68, 0.15);
}

.table {
    color: var(--text-primary);
    background-color: var(--bg-card);
    --bs-table-bg: var(--bg-card);
    --bs-table-color: var(--text-primary);
}

.table th {
    background-color: var(--bg-secondary);
    color: var(--white);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem;
}

.table td {
    border-color: var(--border-color);
    padding: 0.75rem;
    color: var(--text-secondary);
}

.table-hover tbody tr:hover {
    background-color: var(--bg-card-hover);
}

.table > :not(caption) > * > * {
    border-bottom-color: var(--border-color);
}

.alert {
    border: 1px solid transparent;
    border-radius: var(--bs-border-radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    background-color: var(--bg-card);
}

.alert-primary {
    border-color: var(--gray-600);
    color: var(--white);
    background: rgba(255, 255, 255, 0.04);
}

.alert-success {
    border-color: var(--gray-600);
    color: var(--gray-200);
    background: rgba(255, 255, 255, 0.04);
}

.alert-warning {
    border-color: var(--gray-600);
    color: var(--gray-200);
    background: rgba(255, 255, 255, 0.04);
}

.alert-danger {
    border-color: var(--gray-600);
    color: var(--gray-300);
    background: rgba(255, 255, 255, 0.04);
}

.alert-info {
    border-color: var(--gray-600);
    color: var(--white);
    background: rgba(255, 255, 255, 0.04);
}

.pagination .page-link {
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    background-color: var(--bg-card);
    padding: 0.5rem 0.75rem;
    transition: background-color 0.2s, border-color 0.2s;
}

.pagination .page-link:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--gray-600);
    color: var(--white);
}

.pagination .page-item.active .page-link {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--gray-600);
    color: var(--white);
}

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

.bg-light {
    background-color: var(--bg-card) !important;
}

.border {
    border: 1px solid var(--border-color) !important;
}

.rounded {
    border-radius: var(--bs-border-radius) !important;
}

.shadow-sm {
    box-shadow: var(--bs-box-shadow) !important;
}

.forum-category {
    border-left: 3px solid var(--gray-600);
    transition: background-color 0.2s;
}

.forum-category:hover {
    background-color: var(--bg-card-hover);
}

.dashboard-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--bs-border-radius);
    padding: 1.5rem;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gray-700);
    opacity: 0;
    transition: opacity 0.3s;
}

.dashboard-card:hover {
    box-shadow: var(--bs-box-shadow-lg);
    transform: translateY(-5px);
    border-color: var(--gray-700);
    background-color: var(--bg-card-hover);
}

.dashboard-card:hover::before {
    opacity: 1;
}

.dashboard-card-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 1rem;
    border: 1px solid var(--gray-600);
    transition: all 0.3s;
}

.dashboard-card:hover .dashboard-card-icon {
    background: var(--white);
    color: var(--bg-primary);
    border-color: var(--white);
    transform: rotate(10deg) scale(1.1);
}

@media (max-width: 768px) {
    .hero-section {
        width: 100%;
        max-width: 100%;
        height: auto;
        aspect-ratio: 1584 / 470;
        border-radius: 0;
        background-size: 100% auto;
        background-position: center center;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section .lead {
        font-size: 1.1rem;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.gradient-text {
    color: var(--text-primary) !important;
    background: none !important;
    -webkit-background-clip: initial !important;
    -webkit-text-fill-color: initial !important;
}

.hover-lift:hover {
    transform: translateY(-2px);
    transition: transform 0.2s;
}

.list-group-item {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.list-group-item:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--gray-700);
}

.list-group-item-action:focus,
.list-group-item-action:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--gray-700);
}

.bg-primary {
    background-color: var(--bg-card) !important;
    color: var(--white) !important;
}

.card-header.bg-primary {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--border-light);
}

.card-header.bg-primary.text-white,
.bg-primary.text-white {
    color: var(--white) !important;
}

.card-img-top {
    border-bottom: 1px solid var(--border-color);
}

.card-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

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

.text-dark {
    color: var(--text-primary) !important;
}

a.text-decoration-none.text-dark {
    color: var(--text-primary) !important;
}

a.text-decoration-none.text-dark:hover {
    color: var(--gray-200) !important;
}

.bg-gradient-primary {
    background: transparent !important;
    border: 1px solid var(--gray-600) !important;
    color: var(--white) !important;
}

.bg-dark.bg-opacity-50 {
    background: rgba(0, 0, 0, 0.8) !important;
}

.position-relative.overflow-hidden.rounded-3 {
    border: 1px solid var(--border-color);
}

.sticky-top {
    z-index: 1020;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

.btn-close {
    filter: invert(1) grayscale(1);
}

.text-white {
    color: var(--text-primary) !important;
}

.border-primary {
    border-color: var(--gray-600) !important;
}

.border-0 {
    border: none !important;
}

.list-group-flush > .list-group-item {
    border-width: 0 0 1px;
}

.list-group-item.border-0 {
    border: none !important;
}

.card.border-0.shadow-sm {
    border: 1px solid var(--border-color) !important;
    background: var(--bg-card);
}

.card.border-0.shadow-sm:hover {
    border-color: var(--gray-700) !important;
}

small.text-muted.d-block {
    color: var(--gray-500) !important;
}

.bg-light.rounded-3.p-3 {
    background: var(--bg-elevated) !important;
    border: 1px solid var(--border-color);
}

.fw-medium {
    color: var(--text-primary);
}

.card.bg-light.mb-5 {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color);
}

.card.bg-light.mb-5:hover {
    border-color: var(--gray-700);
}

.btn-group .btn {
    border-color: var(--border-color);
}

.btn-group .btn:hover {
    border-color: var(--gray-600);
}

.ratio {
    border: 1px solid var(--border-color);
    border-radius: var(--bs-border-radius);
    overflow: hidden;
}

.card.bg-light .card-body {
    background: var(--bg-card) !important;
}

.btn-group .btn-outline-primary,
.btn-group .btn-outline-success,
.btn-group .btn-outline-danger {
    border-color: var(--border-color);
}

.nav-pills .nav-link.active {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--gray-600);
    color: var(--white);
}

.page-item.disabled .page-link {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-muted);
}

.form-check-input {
    background-color: #333333;
    border: 1px solid var(--gray-600);
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--gray-500);
    border-color: var(--gray-500);
}

.form-check-input:focus {
    border-color: var(--gray-500);
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.08);
}

.form-check-label {
    color: var(--gray-200);
    cursor: pointer;
}

/* Bare input/textarea/select styling for cases without form-control class */
input:not([type="checkbox"]):not([type="radio"]):not([type="file"]):not([type="submit"]):not([type="button"]):not([type="hidden"]),
textarea:not(.form-control),
select:not(.form-select) {
    background-color: #333333;
    color: var(--text-primary);
    border: 1px solid var(--gray-600);
    border-radius: var(--bs-border-radius);
    padding: 0.6rem 0.85rem;
    font-size: 1rem;
    width: 100%;
    box-sizing: border-box;
}

/* File inputs */
input[type="file"].form-control {
    padding: 0.4rem 0.75rem;
    color: var(--text-secondary);
}

input[type="file"]::file-selector-button {
    background: var(--bg-elevated);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: 0.35rem 0.85rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
    margin-right: 0.75rem;
}

input[type="file"]::file-selector-button:hover {
    background: var(--bg-card-hover);
    border-color: var(--gray-600);
    color: var(--white);
}

/* Number inputs */
input[type="number"].form-control {
    -moz-appearance: textfield;
}

/* Date/time inputs */
input[type="datetime-local"].form-control,
input[type="date"].form-control {
    color-scheme: dark;
}

/* Django form field errors */
.text-danger {
    color: #f87171 !important;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

/* Card title links inside card body */
.card-body .card-title a {
    color: var(--text-primary) !important;
}

.card-body .card-title a:hover {
    color: var(--gray-200) !important;
}

div.text-start.bg-light.rounded-3.p-3 {
    background: var(--bg-elevated) !important;
    border: 1px solid var(--border-color);
}

.bg-primary.text-white.rounded.d-flex {
    background: var(--bg-elevated) !important;
    border: 1px solid var(--gray-600);
}

.opacity-50 {
    opacity: 0.3;
}

.object-fit-cover {
    object-fit: cover;
}

textarea.form-control {
    background: #333333;
    color: var(--text-primary);
    border: 1px solid var(--gray-600);
    min-height: 100px;
}

textarea.form-control:focus {
    background: #3a3a3a;
    border-color: var(--gray-400);
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.12), inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

select.form-select option {
    background: #333333;
    color: var(--text-primary);
    padding: 8px 12px;
}

select.form-select option:hover,
select.form-select option:checked {
    background: var(--gray-700) !important;
    color: var(--white) !important;
}

/* Force dark backgrounds on native select dropdowns */
select.form-select:-webkit-autofill,
select.form-select:-internal-autofill-selected {
    -webkit-box-shadow: 0 0 0 1000px var(--bg-elevated) inset !important;
    -webkit-text-fill-color: var(--text-primary) !important;
}

/* Autofill override for all inputs */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus,
select:-webkit-autofill,
select:-webkit-autofill:hover,
select:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px #333333 inset !important;
    -webkit-text-fill-color: var(--text-primary) !important;
    caret-color: var(--text-primary);
    border-color: var(--gray-600) !important;
}

/* Forum zobrazení - obsah příspěvků v card-body */
.card-body .forum-post-content,
.card-body > p {
    color: var(--text-primary) !important;
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.card-body > p:last-child {
    margin-bottom: 0;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

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

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

::selection {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

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

.position-absolute.bottom-0.start-0.end-0.bg-dark.bg-opacity-50.text-white.p-2 {
    background: rgba(0, 0, 0, 0.85) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.position-absolute.bottom-0.end-0.bg-primary.text-white.rounded-circle.p-2 {
    background: var(--white) !important;
    color: var(--bg-primary) !important;
}

.rounded-circle.bg-primary.d-flex.align-items-center.justify-content-center {
    background: var(--bg-elevated) !important;
    border: 2px solid var(--gray-600) !important;
}

.rounded-circle.bg-primary.d-flex.align-items-center.justify-content-center i {
    color: var(--white) !important;
}

.card-img-top.bg-light.d-flex {
    background: var(--bg-card) !important;
}

/* ============================================
   KARBONOVÉ PRVKY (Carbon Fiber Elements)
   Design inspirovaný karbonovými kompozity
   ============================================ */

:root {
    --karbon-dark: #0d0d0d;
    --karbon-base: #111111;
    --karbon-light: #1a1a1a;
    --karbon-accent: #2a2a2a;
    --karbon-weave: #1e1e1e;
    --karbon-highlight: #2e2e2e;
    --karbon-border: #333333;
    --karbon-glow: 0 0 20px rgba(255, 255, 255, 0.03);
    --karbon-glow-strong: 0 0 30px rgba(255, 255, 255, 0.06);
    --karbon-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === KARBONOVÉ POZADÍ === */

/* Karbonová textura - tkaný vzor */
.karbon-bg {
    background-color: var(--karbon-dark);
    background-image:
        linear-gradient(45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(-45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--karbon-weave) 75%),
        linear-gradient(-45deg, transparent 75%, var(--karbon-weave) 75%);
    background-size: 6px 6px;
    background-position: 0 0, 0 3px, 3px -3px, -3px 0px;
    position: relative;
}

/* Karbonová textura - jemnější varianta */
.karbon-bg-subtle {
    background-color: var(--karbon-base);
    background-image:
        linear-gradient(45deg, rgba(255, 255, 255, 0.015) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.015) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.015) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.015) 75%);
    background-size: 8px 8px;
    background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
}

/* Karbon s lesklým povrchem (jako lakovaný karbon) */
.karbon-bg-glossy {
    background-color: var(--karbon-dark);
    background-image:
        linear-gradient(45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(-45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--karbon-weave) 75%),
        linear-gradient(-45deg, transparent 75%, var(--karbon-weave) 75%);
    background-size: 6px 6px;
    background-position: 0 0, 0 3px, 3px -3px, -3px 0px;
    box-shadow: inset 0 0 60px rgba(255, 255, 255, 0.02);
}

/* === KARBONOVÉ KARTY === */

.karbon-card {
    background-color: var(--karbon-dark);
    background-image:
        linear-gradient(45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(-45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--karbon-weave) 75%),
        linear-gradient(-45deg, transparent 75%, var(--karbon-weave) 75%);
    background-size: 6px 6px;
    background-position: 0 0, 0 3px, 3px -3px, -3px 0px;
    border: 1px solid var(--karbon-border);
    border-radius: var(--bs-border-radius);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--karbon-transition);
    box-shadow: var(--karbon-glow);
}

.karbon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.karbon-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: var(--karbon-glow-strong);
    transform: translateY(-3px);
}

.karbon-card:hover::before {
    opacity: 1;
}

.karbon-card-title {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    letter-spacing: 0.02em;
}

.karbon-card-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* === KARBONOVÉ PANELY === */

.karbon-panel {
    background: linear-gradient(135deg, var(--karbon-base), var(--karbon-dark));
    border: 1px solid var(--karbon-border);
    border-radius: var(--bs-border-radius);
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
    transition: var(--karbon-transition);
}

.karbon-panel::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.008) 50%, transparent 70%);
    animation: karbonShine 6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes karbonShine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    20% { transform: translateX(100%) translateY(100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.karbon-panel:hover {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: var(--karbon-glow);
}

/* === KARBONOVÉ TLAČÍTKA === */

.karbon-btn {
    background-color: var(--karbon-dark);
    background-image:
        linear-gradient(45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(-45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--karbon-weave) 75%),
        linear-gradient(-45deg, transparent 75%, var(--karbon-weave) 75%);
    background-size: 6px 6px;
    background-position: 0 0, 0 3px, 3px -3px, -3px 0px;
    border: 1px solid var(--karbon-border);
    border-radius: var(--bs-border-radius);
    color: var(--text-primary);
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--karbon-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.karbon-btn:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.karbon-btn:active {
    transform: translateY(0);
}

.karbon-btn-sm {
    padding: 0.35rem 1rem;
    font-size: 0.8rem;
}

.karbon-btn-lg {
    padding: 0.8rem 2rem;
    font-size: 1rem;
}

/* === KARBONOVÉ ODDĚLOVAČE === */

.karbon-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--karbon-border), transparent);
    margin: 1.5rem 0;
    position: relative;
    border: none;
    opacity: 1;
}

.karbon-divider-thick {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08) 20%, rgba(255, 255, 255, 0.08) 80%, transparent);
    margin: 2rem 0;
    position: relative;
    border: none;
    opacity: 1;
}

.karbon-divider-thick::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 5px;
    background: linear-gradient(90deg, transparent, var(--karbon-weave), transparent);
    border-radius: 50%;
}

/* === KARBONOVÉ BADGE / ŠTÍTKY === */

.karbon-badge {
    background-color: var(--karbon-dark);
    background-image:
        linear-gradient(45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(-45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--karbon-weave) 75%),
        linear-gradient(-45deg, transparent 75%, var(--karbon-weave) 75%);
    background-size: 5px 5px;
    background-position: 0 0, 0 2.5px, 2.5px -2.5px, -2.5px 0px;
    border: 1px solid var(--karbon-border);
    border-radius: 6px;
    padding: 0.25rem 0.75rem;
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    letter-spacing: 0.03em;
}

/* === KARBONOVÉ RÁMEČKY / BORDERY === */

.karbon-border {
    border: 1px solid var(--karbon-border);
    border-radius: var(--bs-border-radius);
    position: relative;
}

.karbon-border-accent {
    border: 1px solid var(--karbon-border);
    border-radius: var(--bs-border-radius);
    position: relative;
    box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.02);
}

.karbon-border-accent::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    border-radius: 2px;
}

/* === KARBONOVÉ HEADER / ZÁHLAVÍ === */

.karbon-header {
    background-color: var(--karbon-dark);
    background-image:
        linear-gradient(45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(-45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--karbon-weave) 75%),
        linear-gradient(-45deg, transparent 75%, var(--karbon-weave) 75%);
    background-size: 6px 6px;
    background-position: 0 0, 0 3px, 3px -3px, -3px 0px;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--karbon-border);
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.karbon-header i {
    opacity: 0.7;
    font-size: 1.1em;
}

/* === KARBONOVÝ SEZNAM / LIST === */

.karbon-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.karbon-list-item {
    background-color: var(--karbon-base);
    border: 1px solid var(--karbon-border);
    border-radius: var(--bs-border-radius-sm);
    padding: 0.8rem 1rem;
    margin-bottom: 0.5rem;
    transition: var(--karbon-transition);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.karbon-list-item:hover {
    background-color: var(--karbon-light);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

/* === KARBONOVÝ TABULKA === */

.karbon-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--karbon-base);
    border-radius: var(--bs-border-radius);
    overflow: hidden;
    border: 1px solid var(--karbon-border);
}

.karbon-table th {
    background-color: var(--karbon-dark);
    color: var(--text-primary);
    font-weight: 600;
    padding: 0.8rem 1rem;
    text-align: left;
    border-bottom: 2px solid var(--karbon-border);
    letter-spacing: 0.02em;
    font-size: 0.85rem;
}

.karbon-table td {
    padding: 0.7rem 1rem;
    border-bottom: 1px solid var(--karbon-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.karbon-table tr:last-child td {
    border-bottom: none;
}

.karbon-table tr:hover td {
    background-color: var(--karbon-light);
}

/* === KARBONOVÝ INPUT === */

.karbon-input {
    background-color: var(--karbon-dark);
    background-image:
        linear-gradient(45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(-45deg, var(--karbon-weave) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--karbon-weave) 75%),
        linear-gradient(-45deg, transparent 75%, var(--karbon-weave) 75%);
    background-size: 6px 6px;
    background-position: 0 0, 0 3px, 3px -3px, -3px 0px;
    border: 1px solid var(--karbon-border);
    border-radius: var(--bs-border-radius);
    padding: 0.6rem 1rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--karbon-transition);
    width: 100%;
}

.karbon-input:focus {
    border-color: rgba(255, 255, 255, 0.2);
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
    background-color: var(--karbon-light);
}

.karbon-input::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

/* === RESPONZIVITA === */

@media (max-width: 768px) {
    .karbon-card {
        padding: 1rem;
    }

    .karbon-panel {
        padding: 1rem;
    }

    .karbon-header {
        padding: 0.8rem 1rem;
        font-size: 0.95rem;
    }
}

/* === KARBONOVÉ FORMULÁŘE - barevné opravy === */
/* Zajišťuje čitelnost textu v textareách a inputech uvnitř karbonových prvků */

.karbon-card textarea,
.karbon-card input,
.karbon-card select,
.karbon-panel textarea,
.karbon-panel input,
.karbon-panel select,
textarea.form-control,
input.form-control,
select.form-select {
    color: #ffffff !important;
    caret-color: #ffffff !important;
}

.karbon-card textarea:focus,
.karbon-card input:focus,
.karbon-card select:focus,
.karbon-panel textarea:focus,
.karbon-panel input:focus,
.karbon-panel select:focus,
textarea.form-control:focus,
input.form-control:focus,
select.form-select:focus {
    color: #ffffff !important;
    caret-color: #ffffff !important;
}

/* Placeholder text - světlejší odstín */
.karbon-card textarea::placeholder,
.karbon-card input::placeholder,
.karbon-panel textarea::placeholder,
.karbon-panel input::placeholder {
    color: #999999 !important;
    opacity: 0.8 !important;
}

/* ============================================
   NEONOVÉ PRVKY (Neon Elements)
   Barevný glow - viditelný, ale ne křiklavý
   ============================================ */

:root {
    /* Cyan / modrá - hlavní neonová barva (elektrický feeling) */
    --neon-cyan: rgba(0, 180, 255, 0.9);
    --neon-cyan-strong: rgba(0, 220, 255, 1.0);
    --neon-cyan-glow-subtle: 0 0 12px rgba(0, 180, 255, 0.40);
    --neon-cyan-glow-medium: 0 0 20px rgba(0, 180, 255, 0.55);
    --neon-cyan-glow-strong: 0 0 30px rgba(0, 180, 255, 0.70);
    --neon-cyan-border: 0 0 8px rgba(0, 180, 255, 0.30);

    /* Amber / jantarová - teplý akcent */
    --neon-amber: rgba(255, 180, 0, 0.8);
    --neon-amber-strong: rgba(255, 200, 50, 1.0);
    --neon-amber-glow-subtle: 0 0 12px rgba(255, 180, 0, 0.35);
    --neon-amber-glow-medium: 0 0 20px rgba(255, 180, 0, 0.50);
    --neon-amber-glow-strong: 0 0 30px rgba(255, 180, 0, 0.65);

    /* Purple / purpurová - tajemný akcent */
    --neon-purple: rgba(160, 50, 255, 0.8);
    --neon-purple-strong: rgba(180, 80, 255, 1.0);
    --neon-purple-glow-subtle: 0 0 12px rgba(160, 50, 255, 0.35);
    --neon-purple-glow-medium: 0 0 20px rgba(160, 50, 255, 0.50);
    --neon-purple-glow-strong: 0 0 30px rgba(160, 50, 255, 0.65);
}

/* === NEONOVÝ TEXT === */

/* Cyan text glow */
.neon-text {
    color: var(--text-primary);
    text-shadow: 0 0 12px rgba(0, 180, 255, 0.50), 0 0 25px rgba(0, 180, 255, 0.20);
    transition: all 0.4s ease;
}

.neon-text:hover {
    text-shadow: 0 0 20px rgba(0, 180, 255, 0.70), 0 0 40px rgba(0, 180, 255, 0.30);
}

.neon-text-cyan {
    color: var(--text-primary);
    text-shadow: 0 0 12px rgba(0, 180, 255, 0.50), 0 0 25px rgba(0, 180, 255, 0.20);
    transition: all 0.4s ease;
}

.neon-text-cyan:hover {
    text-shadow: 0 0 20px rgba(0, 180, 255, 0.70), 0 0 40px rgba(0, 180, 255, 0.30);
}

/* Amber text glow */
.neon-text-amber {
    color: var(--text-primary);
    text-shadow: 0 0 12px rgba(255, 180, 0, 0.45), 0 0 25px rgba(255, 180, 0, 0.18);
    transition: all 0.4s ease;
}

.neon-text-amber:hover {
    text-shadow: 0 0 20px rgba(255, 180, 0, 0.65), 0 0 40px rgba(255, 180, 0, 0.25);
}

/* Purple text glow */
.neon-text-purple {
    color: var(--text-primary);
    text-shadow: 0 0 12px rgba(160, 50, 255, 0.45), 0 0 25px rgba(160, 50, 255, 0.18);
    transition: all 0.4s ease;
}

.neon-text-purple:hover {
    text-shadow: 0 0 20px rgba(160, 50, 255, 0.65), 0 0 40px rgba(160, 50, 255, 0.25);
}

/* === NEONOVÝ BORDER / RÁMEČEK === */

.neon-border {
    border: 1px solid rgba(0, 180, 255, 0.25);
    border-radius: var(--bs-border-radius);
    box-shadow: var(--neon-cyan-border);
    transition: all 0.4s ease;
}

.neon-border:hover {
    border-color: rgba(0, 180, 255, 0.50);
    box-shadow: var(--neon-cyan-glow-medium);
}

.neon-border-amber {
    border: 1px solid rgba(255, 180, 0, 0.22);
    border-radius: var(--bs-border-radius);
    box-shadow: var(--neon-amber-glow-subtle);
    transition: all 0.4s ease;
}

.neon-border-amber:hover {
    border-color: rgba(255, 180, 0, 0.45);
    box-shadow: var(--neon-amber-glow-medium);
}

.neon-border-purple {
    border: 1px solid rgba(160, 50, 255, 0.22);
    border-radius: var(--bs-border-radius);
    box-shadow: var(--neon-purple-glow-subtle);
    transition: all 0.4s ease;
}

.neon-border-purple:hover {
    border-color: rgba(160, 50, 255, 0.45);
    box-shadow: var(--neon-purple-glow-medium);
}

/* === NEONOVÝ AKCENT NA KARTOVÉM BORDERU === */

.neon-card-accent {
    position: relative;
    overflow: hidden;
}

.neon-card-accent::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 6%;
    right: 6%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 180, 255, 0.75), transparent);
    box-shadow: 0 0 20px rgba(0, 180, 255, 0.55), 0 0 40px rgba(0, 180, 255, 0.25), 0 0 60px rgba(0, 180, 255, 0.10);
    animation: neonPulse 3s ease-in-out infinite;
}

.neon-card-accent-amber::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 6%;
    right: 6%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 180, 0, 0.65), transparent);
    box-shadow: 0 0 20px rgba(255, 180, 0, 0.50), 0 0 40px rgba(255, 180, 0, 0.20), 0 0 60px rgba(255, 180, 0, 0.08);
    animation: neonPulse 3s ease-in-out infinite;
}

.neon-card-accent-purple::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 6%;
    right: 6%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(160, 50, 255, 0.65), transparent);
    box-shadow: 0 0 20px rgba(160, 50, 255, 0.50), 0 0 40px rgba(160, 50, 255, 0.20), 0 0 60px rgba(160, 50, 255, 0.08);
    animation: neonPulse 3s ease-in-out infinite;
}

@keyframes neonPulse {
    0%, 100% { opacity: 0.55; }
    50% { opacity: 1; }
}

/* === NEONOVÝ GLOW NA TLAČÍTKU === */

.neon-btn-glow {
    position: relative;
}

.neon-btn-glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: calc(var(--bs-border-radius) + 2px);
    background: linear-gradient(135deg, transparent 30%, rgba(0, 180, 255, 0.20) 50%, transparent 70%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.neon-btn-glow:hover::before {
    opacity: 1;
}

.neon-btn-glow:hover {
    box-shadow: var(--neon-cyan-glow-subtle);
}

.neon-btn-glow-amber::before {
    background: linear-gradient(135deg, transparent 30%, rgba(255, 180, 0, 0.18) 50%, transparent 70%);
}

.neon-btn-glow-amber:hover {
    box-shadow: var(--neon-amber-glow-subtle);
}

/* === NEONOVÝ DIVIDER / ODDĚLOVAČ === */

.neon-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 180, 255, 0.25) 15%, rgba(0, 180, 255, 0.45) 50%, rgba(0, 180, 255, 0.25) 85%, transparent);
    margin: 2rem 0;
    border: none;
    position: relative;
    box-shadow: 0 0 15px rgba(0, 180, 255, 0.15);
}

.neon-divider-amber {
    background: linear-gradient(90deg, transparent, rgba(255, 180, 0, 0.22) 15%, rgba(255, 180, 0, 0.40) 50%, rgba(255, 180, 0, 0.22) 85%, transparent);
    box-shadow: 0 0 15px rgba(255, 180, 0, 0.12);
}

.neon-divider-purple {
    background: linear-gradient(90deg, transparent, rgba(160, 50, 255, 0.22) 15%, rgba(160, 50, 255, 0.40) 50%, rgba(160, 50, 255, 0.22) 85%, transparent);
    box-shadow: 0 0 15px rgba(160, 50, 255, 0.12);
}

/* === NEONOVÝ IKONA GLOW === */

.neon-icon {
    filter: drop-shadow(0 0 8px rgba(0, 180, 255, 0.35));
    transition: filter 0.3s ease;
}

.neon-icon:hover {
    filter: drop-shadow(0 0 16px rgba(0, 180, 255, 0.55));
}

.neon-icon-amber {
    filter: drop-shadow(0 0 8px rgba(255, 180, 0, 0.30));
}

.neon-icon-amber:hover {
    filter: drop-shadow(0 0 16px rgba(255, 180, 0, 0.50));
}

.neon-icon-purple {
    filter: drop-shadow(0 0 8px rgba(160, 50, 255, 0.30));
}

.neon-icon-purple:hover {
    filter: drop-shadow(0 0 16px rgba(160, 50, 255, 0.50));
}

/* === NEONOVÝ AKTIVNÍ PRVEK === */

.neon-active {
    border-color: rgba(0, 180, 255, 0.45) !important;
    box-shadow: 0 0 20px rgba(0, 180, 255, 0.30), inset 0 0 30px rgba(0, 180, 255, 0.06);
}

.neon-active-amber {
    border-color: rgba(255, 180, 0, 0.40) !important;
    box-shadow: 0 0 20px rgba(255, 180, 0, 0.25), inset 0 0 30px rgba(255, 180, 0, 0.06);
}

/* === NEONOVÝ HOVER PRO KARTY === */

.karbon-card.neon-hover:hover {
    border-color: rgba(0, 180, 255, 0.30);
    box-shadow: 0 0 20px rgba(0, 180, 255, 0.20), var(--karbon-glow-strong);
}

.karbon-card.neon-hover-amber:hover {
    border-color: rgba(255, 180, 0, 0.28);
    box-shadow: 0 0 20px rgba(255, 180, 0, 0.18), var(--karbon-glow-strong);
}

.karbon-card.neon-hover-purple:hover {
    border-color: rgba(160, 50, 255, 0.28);
    box-shadow: 0 0 20px rgba(160, 50, 255, 0.18), var(--karbon-glow-strong);
}

/* === NEONOVÝ SPODNÍ AKCENT NA KARTOVÉM BORDERU === */

.neon-border-bottom {
    position: relative;
}

.neon-border-bottom::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 180, 255, 0.30) 20%, rgba(0, 180, 255, 0.50) 50%, rgba(0, 180, 255, 0.30) 80%, transparent);
    box-shadow: 0 0 12px rgba(0, 180, 255, 0.25);
}

/* === RESPONZIVITA === */
@media (max-width: 768px) {
    .neon-card-accent::after,
    .neon-card-accent-amber::after,
    .neon-card-accent-purple::after {
        left: 4%;
        right: 4%;
    }
}