:root {
    --primary-color: #3C9FDC;      
    --primary-hover: #2B8AC7;      
    --primary-light: #5BAEE3;      
    --primary-lighter: #EBF5FC;    
    --nav-text: #2D3748;           
    --text-muted: #718096;         
    --gradient-start: #3C9FDC;     
    --gradient-end: #5BAEE3;       
}
[data-bs-theme=light] {
    --bg-color: #ffffff;
    --text-color: #212529;
    --navbar-bg: #f8f9fa;
    --footer-bg: #f8f9fa;
}
[data-bs-theme=dark] {
    --bg-color: #1a1d21;
    --text-color: #e9ecef;
    --navbar-bg: #22262a;
    --footer-bg: #22262a;
    --footer-text: #e9ecef;
    --footer-link: #5BAEE3;
    --footer-link-hover: #3C9FDC;
    --footer-border: rgba(255, 255, 255, 0.1);
    --footer-muted: #adb5bd;
    --nav-text: #e9ecef;
    --text-muted: #adb5bd;
    --primary-lighter: rgba(60, 159, 220, 0.15);
    --border-color: rgba(255, 255, 255, 0.1);
    --card-bg: #22262a;
    --input-bg: rgba(255, 255, 255, 0.05);
    --nav-link-hover: #3C9FDC;
    --nav-border: rgba(255, 255, 255, 0.1);
    --nav-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'TikTok Text', sans-serif;
}
.navbar {
    background-color: var(--bg-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    padding: 0.75rem 0;
    height: 70px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
}
.navbar > .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.navbar-brand {
    padding: 0;
    margin-right: 2rem;
    display: flex;
    align-items: center;
}
.navbar-collapse {
    display: flex;
    flex-grow: 1;
    align-items: center;
}
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin: 0 auto;
}
.nav-item {
    margin: 0;
}
.nav-link {
    padding: 0.5rem 0;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--nav-text) !important;
}
.nav-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
@media (max-width: 1199px) {
    .navbar-toggler {
        display: block;
    }
    .navbar-collapse {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-color);
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    .navbar-collapse.show {
        display: block;
    }
    .navbar-nav {
        flex-direction: column;
        gap: 1rem;
        margin: 1rem 0;
    }
    .nav-buttons {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
    }
    .nav-buttons .btn {
        width: 100%;
    }
}
@media (min-width: 1200px) {
    .navbar-toggler {
        display: none;
    }
    .navbar-collapse {
        display: flex !important;
    }
    .navbar-nav {
        flex-direction: row;
    }
}
footer {
    background-color: var(--footer-bg);
    font-family: 'TikTok Text', sans-serif;
}
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    background-size: cover;
    background-position: center;
    color: white;
    padding: 120px 0;
    border-radius: 20px;
    margin: 1rem 0 3rem 0;
    margin-top: 2rem;
}
.hero-section h1 {
    font-family: 'TikTok Display', sans-serif;
    font-weight: 700;
    animation: float 6s ease-in-out infinite;
}
.service-card {
    border: none;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(60, 159, 220, 0.15);
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    opacity: 0;
    transition: opacity 0.3s ease;
}
.service-card:hover::before {
    opacity: 1;
}
.service-card h3 {
    font-family: 'TikTok Display', sans-serif;
    font-weight: 700;
}
.social-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
}
.telegram-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}
.telegram-link:hover {
    text-decoration: underline;
    color: var(--primary-hover);
}
.telegram-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    padding: 4px 0;
}
.telegram-btn i {
    font-size: 16px;
}
.telegram-btn:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}
footer p {
    color: var(--text-color);
    font-size: 14px;
    margin-bottom: 8px;
}
.btn-primary {
    background: var(--primary-color);
    border: none;
    color: white;
    transition: all 0.3s ease;
    border-radius: 12px;
    padding: 10px 24px;
}
.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(60, 159, 220, 0.3);
}
.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
    transition: all 0.3s ease;
    border-radius: 12px;
    padding: 8px 20px;
}
.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}
.logo-img {
    height: 24px;
    width: auto;
    transition: all 0.3s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}
.navbar .logo-img {
    height: 24px;
}
footer .logo-img {
    height: 20px;
    opacity: 0.9;
}
footer .logo-img:hover {
    opacity: 1;
}
.navbar-brand, footer {
    transition: all 0.3s ease;
}
[data-bs-theme="dark"] .logo-img {
    filter: brightness(0) invert(1);
}
@import url('https://www.cdnfonts.com/tiktok-text-display.font');
h1, h2, h3, h4, h5, h6, 
.navbar-brand, 
.nav-link,
.btn,
.dropdown-item,
footer h5 {
    font-family: 'TikTok Display', sans-serif;
    font-weight: 700;
}
.btn {
    font-family: 'TikTok Display', sans-serif;
    font-weight: 700;
}
footer h5 {
    font-family: 'TikTok Display', sans-serif;
    font-weight: 700;
}
footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}
footer a:hover {
    color: var(--primary-hover);
    text-decoration: none;
}
.dropdown-toggle {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 12px;
    padding: 8px 20px;
}
.dropdown-toggle:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}
.theme-toggle {
    color: var(--primary-color);
    text-decoration: none;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}
.theme-toggle:hover {
    color: var(--primary-hover);
    background-color: var(--primary-lighter);
    transform: rotate(15deg);
}
.theme-toggle i {
    font-size: 1.2rem;
}
.navbar .d-flex {
    gap: 0.5rem;
}
@media (max-width: 991.98px) {
    .theme-toggle {
        padding: 6px;
    }
    .theme-toggle i {
        font-size: 1rem;
    }
}
[data-bs-theme=dark] {
    .service-card {
        background: #2D3748;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }
    .service-card:hover {
        box-shadow: 0 12px 25px rgba(60, 159, 220, 0.2);
    }
    .dropdown-menu {
        background: var(--background);
        border-color: rgba(255, 255, 255, 0.1);
    }
}
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}
@keyframes glow {
    0% { box-shadow: 0 0 5px rgba(60, 159, 220, 0.5); }
    50% { box-shadow: 0 0 20px rgba(60, 159, 220, 0.8); }
    100% { box-shadow: 0 0 5px rgba(60, 159, 220, 0.5); }
}
.btn-primary:hover {
    animation: glow 2s infinite;
}
.hero-section h1 {
    animation: float 6s ease-in-out infinite;
}
a, .btn-link, .telegram-link, .telegram-btn {
    color: var(--primary-color);
}
a:hover, .btn-link:hover, .telegram-link:hover, .telegram-btn:hover {
    color: var(--primary-hover);
}
.nav-link::after {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}
.btn-check:checked + .btn-primary,
.btn-primary.active,
.btn-primary.show,
.btn-primary:first-child:active,
:not(.btn-check) + .btn-primary:active {
    color: #ffffff;
    background-color: #3C9FDC;
    border-color: #3C9FDC;
}
.btn-check:checked + .btn-outline-primary,
.btn-outline-primary.active,
.btn-outline-primary.show,
.btn-outline-primary:first-child:active,
:not(.btn-check) + .btn-outline-primary:active {
    color: #ffffff;
    background-color: #3C9FDC;
    border-color: #3C9FDC;
}
.dropdown-item.active,
.dropdown-item:active {
    background-color: #3C9FDC;
    color: #ffffff;
}
.nav-link.active {
    color: #3C9FDC !important;
}
.nav-pills .nav-link.active {
    background-color: #3C9FDC;
    color: #ffffff !important;
}
.navbar .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
}
.navbar .btn i {
    font-size: 0.9rem;
}
@media (max-width: 991.98px) {
    .navbar {
        height: auto;
        padding: 1rem 0;
    }
    .navbar-collapse {
        padding: 1rem 0;
    }
    .navbar-nav {
        gap: 1rem;
        margin: 1rem 0;
    }
    .nav-buttons {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
    }
    .nav-buttons .btn {
        width: 100%;
    }
    main {
        padding-top: 80px;
    }
}
.nav-link i {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}
.nav-link:hover i {
    opacity: 1;
}
.footer-controls {
    margin: 1rem 0;
}
.footer-controls .theme-toggle {
    padding: 6px;
}
.footer-controls .theme-toggle i {
    font-size: 1rem;
}
.footer-controls .btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.875rem;
}
.footer-controls .dropdown-menu {
    min-width: 120px;
    font-size: 0.875rem;
}
footer .theme-toggle {
    background-color: var(--primary-lighter);
}
footer .theme-toggle:hover {
    background-color: var(--primary-color);
    color: white;
}
footer .dropdown-toggle {
    border-width: 1px;
}
.footer-section {
    margin-bottom: 2rem;
}
.footer-section h5 {
    font-size: 1.1rem;
    margin-bottom: 1.2rem;
    color: var(--primary-color);
}
.footer-links li {
    margin-bottom: 0.8rem;
}
.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
}
.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}
.footer-contact li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}
.footer-contact i {
    color: var(--primary-color);
    width: 20px;
}
.footer-controls {
    padding: 1rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--primary-lighter);
}
.border-top {
    border-color: var(--primary-lighter) !important;
}
.about-controls {
    padding: 1rem 0;
    border-top: 1px solid var(--primary-lighter);
}
.about-controls .theme-toggle {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 8px;
    background-color: var(--primary-lighter);
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}
.about-controls .theme-toggle:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}
.about-controls .theme-toggle i {
    font-size: 1rem;
}
.about-controls .btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}
.about-controls .dropdown-menu {
    min-width: 120px;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}
[data-bs-theme=dark] .about-controls .theme-toggle {
    background-color: rgba(255, 255, 255, 0.1);
}
[data-bs-theme=dark] .about-controls .theme-toggle:hover {
    background-color: var(--primary-color);
}
main {
    padding-top: 90px;
    padding-bottom: 2rem;
}
.container {
    max-width: 1200px;
    width: 100%;
    padding-right: 1rem;
    padding-left: 1rem;
    margin-right: auto;
    margin-left: auto;
}
.container {
    width: 100%;
    padding-right: 1rem;
    padding-left: 1rem;
    margin-right: auto;
    margin-left: auto;
}
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    .hero-section {
        padding: 120px 0;
    }
    .nav-buttons .btn {
        padding: 0.5rem 1.5rem;
    }
}
@media (min-width: 768px) and (max-width: 1199px) {
    .container {
        max-width: 960px;
    }
    .navbar {
        height: auto;
        padding: 1rem 0;
    }
    .navbar-nav {
        gap: 1rem;
    }
    .hero-section {
        padding: 80px 0;
    }
    .service-card {
        margin-bottom: 1.5rem;
    }
    .nav-buttons .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}
@media (max-width: 767px) {
    .container {
        padding-right: 15px;
        padding-left: 15px;
    }
    .navbar {
        height: auto;
        padding: 0.5rem 0;
    }
    .navbar-collapse {
        background-color: var(--bg-color);
        padding: 1rem;
        border-radius: 0.5rem;
        margin-top: 0.5rem;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    .navbar-nav {
        gap: 0.5rem;
        margin: 1rem 0;
    }
    .nav-buttons {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
    }
    .nav-buttons .btn {
        width: 100%;
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    .hero-section {
        padding: 60px 0;
        margin: 1rem 0;
        border-radius: 10px;
    }
    .hero-section h1 {
        font-size: 1.8rem;
    }
    .service-card {
        margin-bottom: 1rem;
    }
    footer {
        text-align: center;
    }
    .footer-section {
        margin-bottom: 2rem;
    }
    .footer-links, .footer-contact {
        display: inline-block;
        text-align: left;
    }
    .about-controls {
        flex-direction: column;
        gap: 1rem;
    }
    .about-controls .dropdown,
    .about-controls .theme-toggle {
        width: 100%;
    }
}
@media (max-width: 1199px) {
    .navbar-toggler {
        display: block;
    }
    .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-color);
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    .nav-link {
        padding: 0.5rem 0;
    }
    main {
        padding-top: 80px;
    }
}
.auth-form .form-control {
    height: 48px;
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    border: 2px solid var(--primary-lighter);
    border-radius: 12px;
    background-color: var(--bg-color);
    transition: all 0.3s ease;
}
.auth-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(60, 159, 220, 0.15);
}
.auth-form .form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}
[data-bs-theme=dark] .auth-form .form-control {
    background-color: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.1);
    color: var(--text-color);
}
[data-bs-theme=dark] .auth-form .form-control:focus {
    border-color: var(--primary-color);
    background-color: rgba(255,255,255,0.1);
}
[data-bs-theme=dark] .auth-form .form-control::placeholder {
    color: rgba(255,255,255,0.5);
}
.auth-container {
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.auth-card {
    width: 100%;
    max-width: 360px;
    background: var(--bg-color);
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(60, 159, 220, 0.1);
}
.auth-card .card-body {
    padding: 2rem;
}
.auth-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}
.auth-title:after {
    bottom: -8px;
    width: 40px;
    height: 2px;
}
.auth-form {
    margin-top: 1.5rem;
}
.auth-form .form-control {
    height: 45px;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    border-radius: 12px;
}
.auth-form .btn-primary {
    height: 45px;
    border-radius: 12px;
    font-size: 0.95rem;
    margin-top: 0.75rem;
}
.auth-links {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--primary-lighter);
}
.auth-links p {
    font-size: 0.9rem;
}
@media (max-width: 576px) {
    .auth-card {
        margin: 0.5rem;
    }
    .auth-card .card-body {
        padding: 1.5rem;
    }
    .auth-title {
        font-size: 1.4rem;
    }
    .auth-form .form-control,
    .auth-form .btn-primary {
        height: 42px;
        font-size: 0.9rem;
    }
}
[data-bs-theme=dark] .auth-container {
    background-color: var(--bg-color);
}
[data-bs-theme=dark] .auth-card {
    background: var(--card-bg);
    border: none;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}
[data-bs-theme=dark] .auth-title {
    color: var(--text-color);
}
[data-bs-theme=dark] .auth-form .form-control {
    background-color: var(--input-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}
[data-bs-theme=dark] .auth-form .form-control:focus {
    border-color: var(--primary-color);
    background-color: var(--input-bg);
    box-shadow: 0 0 0 3px rgba(60, 159, 220, 0.2);
}
[data-bs-theme=dark] .auth-form .form-control::placeholder {
    color: var(--text-muted);
}
[data-bs-theme=dark] .auth-form .btn-primary {
    background: linear-gradient(45deg, #3C9FDC, #5BAEE3);
    border: none;
}
[data-bs-theme=dark] .auth-form .btn-primary:hover {
    background: linear-gradient(45deg, #3691cc, #4da0d8);
    box-shadow: 0 4px 15px rgba(60, 159, 220, 0.3);
}
[data-bs-theme=dark] .auth-links {
    border-top-color: var(--border-color);
}
[data-bs-theme=dark] .auth-links p {
    color: var(--text-muted);
}
[data-bs-theme=dark] .auth-links a {
    color: #5BAEE3;
}
[data-bs-theme=dark] .auth-links a:hover {
    color: #3C9FDC;
}
[data-bs-theme=dark] .navbar {
    background-color: var(--navbar-bg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-bottom: none;
}
[data-bs-theme=dark] .nav-link {
    color: var(--nav-text) !important;
}
[data-bs-theme=dark] .nav-link:hover {
    color: var(--nav-link-hover) !important;
}
[data-bs-theme=dark] .navbar-toggler {
    border-color: var(--nav-border);
    color: var(--nav-text);
}
[data-bs-theme=dark] .nav-buttons .btn-outline-primary {
    color: #3C9FDC;
    border-color: #3C9FDC;
}
[data-bs-theme=dark] .nav-buttons .btn-outline-primary:hover {
    background: linear-gradient(45deg, #3C9FDC, #5BAEE3);
    border-color: transparent;
    color: white;
}
[data-bs-theme=dark] .nav-buttons .btn-primary {
    background: linear-gradient(45deg, #3C9FDC, #5BAEE3);
    border: none;
    color: white;
}
[data-bs-theme=dark] .nav-buttons .btn-primary:hover {
    background: linear-gradient(45deg, #3691cc, #4da0d8);
    box-shadow: 0 4px 15px rgba(60, 159, 220, 0.3);
}
[data-bs-theme=dark] .dropdown-menu {
    background-color: var(--navbar-bg);
    border: none;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}
[data-bs-theme=dark] .dropdown-item {
    color: var(--nav-text);
}
[data-bs-theme=dark] .dropdown-item:hover {
    background-color: rgba(60, 159, 220, 0.1);
    color: #3C9FDC;
}
[data-bs-theme=dark] .dropdown-divider {
    border-color: var(--nav-border);
}
[data-bs-theme=dark] footer {
    background: var(--footer-bg);
    border-top: none;
    color: var(--footer-text);
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.1);
}
[data-bs-theme=dark] .footer-title {
    color: var(--footer-text);
    font-weight: 600;
    margin-bottom: 1.25rem;
}
[data-bs-theme=dark] .footer-links a {
    color: var(--footer-muted);
    transition: all 0.3s ease;
    text-decoration: none;
    padding: 0.3rem 0;
    display: block;
}
[data-bs-theme=dark] .footer-links a:hover {
    color: var(--footer-link);
    transform: translateX(5px);
}
[data-bs-theme=dark] .footer-contact {
    color: var(--footer-muted);
}
[data-bs-theme=dark] .footer-contact a {
    color: var(--footer-link);
    text-decoration: none;
    transition: color 0.3s ease;
}
[data-bs-theme=dark] .footer-contact a:hover {
    color: var(--footer-link-hover);
}
[data-bs-theme=dark] .footer-social a {
    color: var(--footer-muted);
    margin-right: 1rem;
    transition: all 0.3s ease;
}
[data-bs-theme=dark] .footer-social a:hover {
    color: var(--footer-link);
    transform: translateY(-3px);
}
[data-bs-theme=dark] .footer-bottom {
    border-top: none;
    padding-top: 1.5rem;
    margin-top: 2rem;
    color: var(--footer-muted);
    font-size: 0.9rem;
}
[data-bs-theme=dark] .footer-bottom a {
    color: var(--footer-link);
    text-decoration: none;
}
[data-bs-theme=dark] .footer-bottom a:hover {
    color: var(--footer-link-hover);
}
[data-bs-theme=dark] .footer-newsletter input {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--footer-border);
    color: var(--footer-text);
}
[data-bs-theme=dark] .footer-newsletter input:focus {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--footer-link);
    box-shadow: 0 0 0 3px rgba(60, 159, 220, 0.2);
}
[data-bs-theme=dark] .footer-newsletter button {
    background: linear-gradient(45deg, #3C9FDC, #5BAEE3);
    border: none;
    color: white;
    transition: all 0.3s ease;
}
[data-bs-theme=dark] .footer-newsletter button:hover {
    background: linear-gradient(45deg, #3691cc, #4da0d8);
    box-shadow: 0 4px 15px rgba(60, 159, 220, 0.3);
    transform: translateY(-2px);
}
.alert {
    border: none;
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}
.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    color: #28a745;
}
.alert-error {
    background-color: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}
.alert-dismissible .btn-close {
    padding: 1.25rem;
    opacity: 0.8;
}
[data-bs-theme=dark] .alert-success {
    background-color: rgba(40, 167, 69, 0.15);
    color: #2dce4d;
}
[data-bs-theme=dark] .alert-error {
    background-color: rgba(220, 53, 69, 0.15);
    color: #e45d6a;
} 
.nav-tabs .nav-item {
    margin-right: 10px;
}
.nav-tabs .nav-link {
    padding: 12px 20px;
}
.list-group-item {
    font-size: 1rem;
    font-weight: 500;
}