:root {
    --bg-color: #0A0A0A;
    --text-color: #f5f5f5;
    --header-bg: rgba(10, 10, 10, 0.9);
    --accent-color: rgba(255, 255, 255, 0.08);
    --accent-hover: rgba(255, 255, 255, 0.15);
    --border-color: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(15, 15, 15, 0.8);
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}
[data-theme="light"] {
    --bg-color: #fafafa;
    --text-color: #111827;
    --header-bg: rgba(249, 250, 251, 0.9);
    --accent-color: rgba(0, 0, 0, 0.05);
    --accent-hover: rgba(0, 0, 0, 0.1);
    --border-color: rgba(0, 0, 0, 0.08);
    --card-bg: rgba(255, 255, 255, 0.9);
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1200;
    box-shadow: var(--shadow-sm);
}
.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-color);
    flex-shrink: 0;
    transition: var(--transition);
}
.logo:hover {
    opacity: 0.9;
}
.logo img {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
}
[data-theme="light"] .logo img {
    filter: brightness(0);
}
@font-face {
    font-family: 'B1ackFont';
    src: url('../font.otf') format('opentype');
    font-weight: normal;
    font-style: normal;
}
.logo-text {
    font-family: 'B1ackFont', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.nav {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    padding: 20px;
    flex-direction: column;
    gap: 15px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.nav.active {
    display: flex;
}
.nav-link {
    color: var(--text-color);
    text-decoration: none;
    padding: 12px 16px;
    border-radius: 10px;
    transition: var(--transition);
    font-weight: 500;
    text-align: center;
    font-size: 0.95rem;
    border: 1px solid transparent;
}
.nav-link:hover {
    background: var(--accent-color);
    border-color: var(--border-color);
}
.nav-link.active {
    background: var(--accent-color);
    border-color: var(--border-color);
}
@media (min-width: 768px) {
    .nav {
        position: static;
        display: flex;
        flex-direction: row;
        padding: 0;
        background: none;
        border: none;
        backdrop-filter: none;
        gap: 8px;
        box-shadow: none;
    }
    .nav-link {
        position: relative;
        z-index: 3;
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}
.controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.lang-dropdown {
    position: relative;
}
.lang-dropdown-btn {
    cursor: pointer;
}
.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px) scale(0.95);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 6px;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.lang-dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
}
.lang-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}
.lang-dropdown-item:hover {
    background: var(--accent-color);
}
.lang-dropdown-item img {
    width: 22px;
    height: 22px;
    border-radius: 2px;
    object-fit: contain;
    flex-shrink: 0;
}
.lang-dropdown-item .lang-name {
    flex: 1;
}
.lang-dropdown-item .lang-check {
    opacity: 0;
    transition: var(--transition);
    font-size: 0.85rem;
}
.lang-dropdown-item.active .lang-check {
    opacity: 0.6;
}
.lang-dropdown-item.active {
    background: var(--accent-color);
}
.control-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}
.control-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}
.control-btn.active {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
}
.control-btn img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}
.theme-img {
    filter: brightness(0) invert(1);
}
[data-theme="light"] .theme-img {
    filter: brightness(0);
}
@media (min-width: 768px) {
    .control-btn {
        width: 40px;
        height: 40px;
    }
}
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}
.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-color);
    transition: var(--transition);
    border-radius: 1px;
}
@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }
}
@media (max-width: 767px) {
    .controls .lang-dropdown {
        display: none;
    }
}
.nav-lang-bar {
    display: none;
}
@media (max-width: 767px) {
    .nav-lang-bar {
        display: flex;
        justify-content: center;
        gap: 12px;
        padding: 16px 0 8px 0;
    }
}
.nav-lang-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-color);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}
@media (min-width: 768px) {
    .nav-lang-btn {
        display: none;
    }
}
.nav-lang-btn:hover,
.nav-lang-btn.active {
    background: var(--accent-hover);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}
.nav-lang-btn img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}
.nav-more {
    display: flex;
    flex-direction: column;
    width: 100%;
}
.nav-more-toggle {
    display: none;
}
.nav-more-menu {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
}
@media (min-width: 768px) {
    .nav-more {
        position: relative;
        display: inline-flex;
        width: auto;
        align-items: center;
    }
    .nav-more-toggle {
        position: relative;
        z-index: 3;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: var(--accent-color);
        border: 1px solid var(--border-color);
        color: var(--text-color);
        cursor: pointer;
        transition: var(--transition);
        flex-shrink: 0;
    }
    .nav-more-toggle:hover {
        background: var(--accent-hover);
    }
    .nav-more-toggle.active {
        background: var(--accent-hover);
        box-shadow: var(--shadow-md);
    }
    .more-arrow {
        transition: transform 0.3s ease;
    }
    .nav-more-toggle.active .more-arrow {
        transform: rotate(180deg);
    }
    .nav-more-menu {
        position: fixed;
        top: 4px;
        transform: translateY(-10px) scale(0.97);
        background: var(--card-bg);
        border: 1px solid var(--border-color);
        border-radius: 16px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.37);
        z-index: 2;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.22s cubic-bezier(0.23, 1, 0.32, 1),
                    transform 0.22s cubic-bezier(0.23, 1, 0.32, 1),
                    visibility 0.22s;
        padding: 24px;
    }
    .nav-more-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1);
    }
    .nav-more-header-section {
        display: none;
    }
    .nav-more-body-section {
        padding: 0;
        width: 100%;
        position: relative;
        padding-top: 35px;
    }
    .nav-more-grid {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
    .nav-more-grid .nav-link {
        flex: 0 0 auto;
        padding: 10px 16px;
        text-align: center;
        border-radius: 12px;
        font-size: 0.9rem;
        white-space: nowrap;
        color: var(--text-color);
        text-decoration: none;
        border: 1px solid transparent;
    }
    .nav-more-grid .nav-link:hover {
        background: var(--accent-hover);
        border-color: var(--border-color);
    }
}
@media (max-width: 767px) {
    .nav-more-header-section {
        display: none;
    }
    .nav-more-body-section {
        padding: 0;
        width: 100%;
    }
    .nav-more-grid {
        display: flex;
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }
    .nav-more-grid .nav-link {
        width: 100%;
        text-align: center;
    }
}
main {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 80px;
    min-height: calc(100vh - 60px);
    flex: 1;
}
.donate-container {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
}
.donate-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}
.donate-card iframe {
    border: none;
    width: 100%;
    padding: 4px;
    background: #f9f9f9;
    border-radius: 12px;
    min-height: 712px;
}
@media (max-width: 500px) {
    .donate-container {
        padding: 24px 16px;
    }
    .donate-card {
        padding: 16px;
    }
}
footer {
    height: 60px;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -1px 2px 0 rgba(0, 0, 0, 0.1);
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.footer-center {
    display: flex;
    align-items: center;
    gap: 24px;
}
.footer-right {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}
footer a {
    color: var(--text-color);
    text-decoration: none;
    opacity: 0.7;
    transition: var(--transition);
    font-size: 0.875rem;
    font-weight: 400;
}
footer a:hover {
    opacity: 1;
    text-decoration: underline;
    text-underline-offset: 4px;
}
footer img {
    height: 31px;
    width: auto;
    opacity: 0.7;
    transition: var(--transition);
}
footer img:hover {
    opacity: 1;
}
@media (max-width: 767px) {
    footer {
        height: auto;
        padding: 20px 0;
    }
    .footer-container {
        flex-direction: column;
        gap: 16px;
    }
    .footer-center {
        justify-content: center;
        gap: 16px;
    }
    .footer-licenses {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        margin-top: 10px;
    }
    .footer-licenses img {
        height: 24px;
    }
    .footer-left,
    .footer-right {
        display: none;
    }
}
.cookie-consent {
    position: fixed;
    bottom: 32px;
    left: 32px;
    right: 32px;
    max-width: 420px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 28px;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transform: translateY(150%);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}
.cookie-consent.show {
    transform: translateY(0);
    opacity: 1;
}
.cookie-consent h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.cookie-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-color);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
}
.cookie-consent p {
    font-size: 0.95rem;
    opacity: 0.7;
    margin-bottom: 24px;
    line-height: 1.6;
}
.cookie-btn {
    width: 100%;
    padding: 16px;
    background: var(--text-color);
    color: var(--bg-color);
    border: none;
    border-radius: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    box-shadow: var(--shadow-md);
}
.cookie-btn:hover {
    opacity: 0.95;
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}
@media (max-width: 767px) {
    a.control-btn[href="donate"] {
        display: none;
    }
}
.nav-link.donate-link {
    display: none;
}
@media (max-width: 767px) {
    .nav-link.donate-link {
        display: block;
        border-color: var(--border-color);
    }
    .nav-link:not(.donate-link) {
        border-color: transparent !important;
    }
}
@media (max-width: 500px) {
    .cookie-consent {
        left: 20px;
        right: 20px;
        bottom: 20px;
        max-width: none;
        padding: 24px;
    }
}