:root,
html {
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
    --card-bg: #151515;
    --card-hover: #252525;
    --accent-color: #a855f7;
    --accent-color-rgb: 168, 85, 247;
    --gradient-start: #c026d3;
    --gradient-end: #e11d48;
    --bar-bg: rgba(15, 15, 15, 0.85);
}

:root[data-theme="light"],
html[data-theme="light"] {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --card-bg: #e8e8e8;
    --card-hover: #d4d4d4;
    --accent-color: #a855f7;
    --accent-color-rgb: 168, 85, 247;
    --gradient-start: #c026d3;
    --gradient-end: #e11d48;
    --bar-bg: rgba(235, 235, 235, 0.85);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
    overflow-x: hidden;
    height: 100%;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: none;
    min-height: 100vh;
    overflow-x: hidden;
    letter-spacing: -0.01em;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--bg-color);
    z-index: -1;
}

#main-content {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

#main-content.loaded {
    opacity: 1;
    transform: translateY(0);
}

@keyframes slideDownFade {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Custom Selection */
::selection {
    background: var(--accent-color);
    color: #ffffff;
    text-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
}

::-moz-selection {
    background: var(--accent-color);
    color: #ffffff;
    text-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--gradient-start), var(--gradient-end));
    border-radius: 6px;
    border: 2px solid var(--bg-color);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--gradient-end), var(--gradient-start));
    box-shadow: 0 0 10px var(--accent-color);
}

/* Firefox Scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) var(--bg-color);
}

/* TOP BARS CONTAINER */
.top-bars-container {
    position: fixed;
    top: 24px;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    gap: 16px;
    padding: 0 48px;
    opacity: 0;
    animation: slideDownFade 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
    transition: top 0.3s ease, padding-top 0.3s ease;
}

.top-bars-container.scrolled {
    top: 0;
    padding-top: 0;
}

.top-bars-container.scrolled .top-bar {
    border-radius: 0 0 16px 16px;
}

.top-bars-container.scrolled .top-bar::before {
    border-radius: 0 0 18px 18px;
}

.top-bar {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    background: var(--bar-bg);
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    backdrop-filter: blur(20px) saturate(180%);
    gap: 1rem;
    transition: border-radius 0.3s ease;
    position: relative;
    --mouse-x: 50%;
    --mouse-y: 50%;
}

:root[data-theme="light"] .top-bar,
html[data-theme="light"] .top-bar {
    border: 2px solid rgba(0, 0, 0, 0.12);
}

:root[data-theme="light"] .social-btn,
html[data-theme="light"] .social-btn,
:root[data-theme="light"] .theme-toggle,
html[data-theme="light"] .theme-toggle,
:root[data-theme="light"] .lang-toggle,
html[data-theme="light"] .lang-toggle,
:root[data-theme="light"] .tooltip-btn,
html[data-theme="light"] .tooltip-btn,
:root[data-theme="light"] .skill-tag,
html[data-theme="light"] .skill-tag {
    border: 1.5px solid rgba(0, 0, 0, 0.15);
}

.top-bar::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 16px;
    padding: 2px;
    background: radial-gradient(
        180px circle at var(--mouse-x) var(--mouse-y),
        var(--gradient-start) 0%,
        var(--gradient-end) 40%,
        transparent 100%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 1;
    pointer-events: none;
}

.top-bar-left-panel {
    flex: 0 0 auto;
}

.top-bar-right-panel {
    flex: 1;
    justify-content: space-between;
}

.info-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.username {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 20px rgba(192, 38, 211, 0.3));
}

.subtitle {
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0.65;
    letter-spacing: -0.01em;
}

.avatar {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.08);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.avatar:hover {
    transform: scale(1.05);
}

.skills-row {
    display: flex;
    gap: 6px;
}

.skill-tag {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 5px 12px;
    background: var(--card-bg);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: all 0.2s;
    letter-spacing: -0.01em;
    text-decoration: none;
    color: var(--text-color);
    display: inline-block;
    cursor: pointer;
}

.skill-tag:hover {
    background: var(--card-hover);
    border-color: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(var(--accent-color-rgb), 0.15);
}

.socials-row {
    display: flex;
    gap: 6px;
}

.social-btn {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-color);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
}

.social-btn:hover {
    background: var(--card-hover);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--accent-color-rgb), 0.2);
}

.copy-btn {
    border-style: dashed !important;
}

.controls {
    display: flex;
    gap: 6px;
}

.theme-toggle, .lang-toggle, .palette-toggle {
    width: 36px;
    height: 36px;
    background: var(--card-bg);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    cursor: pointer;
    color: var(--text-color);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover, .lang-toggle:hover {
    background: var(--card-hover);
    border-color: var(--accent-color);
    transform: translateY(-2px) rotate(-5deg);
    box-shadow: 0 4px 12px rgba(var(--accent-color-rgb), 0.2);
}

.palette-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(var(--accent-color-rgb), 0.3);
}

.palette-toggle {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border: none !important;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.palette-toggle i {
    position: relative;
    z-index: 1;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.palette-toggle.animating i {
    transform: rotate(180deg) scale(1.1);
}

.tooltip-btn {
    width: 36px;
    height: 36px;
    background: var(--card-bg);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-color);
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tooltip-btn:hover {
    background: var(--card-hover);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--accent-color-rgb), 0.2);
}

/* CONTENT */
.content {
    padding: 120px 48px 48px 48px;
    position: relative;
    z-index: 10;
}

.gallery {
    column-count: 4;
    column-gap: 20px;
}

.gallery-item {
    position: relative;
    --mouse-x: 50%;
    --mouse-y: 50%;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 8px;
    margin-bottom: 20px;
    break-inside: avoid;
    page-break-inside: avoid;
    display: block;
    transform-style: preserve-3d;
    transition: transform 0.2s ease-out;
    max-width: 100%;
    will-change: transform;
}

.gallery-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 2px;
    background: radial-gradient(
        200px circle at var(--mouse-x) var(--mouse-y),
        var(--gradient-start) 0%,
        var(--gradient-end) 40%,
        transparent 100%
    );
    -webkit-mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
    z-index: 10;
}

.gallery-item img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    cursor: pointer;
    position: relative;
    z-index: 1;
    border-radius: 8px;
}

.gallery-item:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* TOOLTIP */
.tooltip {
    position: fixed;
    z-index: 1001;
    max-width: 320px;
    background: var(--card-hover);
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0.75rem 1rem;
    border-radius: 10px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
    font-size: 0.85rem;
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
    transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.tooltip-show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.tooltip-hide {
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
}

/* NOTIFICATION */
.notification {
    position: fixed !important;
    bottom: 24px !important;
    right: 24px !important;
    z-index: 10000;
    max-width: 400px;
    background: var(--card-bg);
    border: 1.5px solid var(--accent-color);
    border-radius: 16px;
    padding: 18px 24px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45), 
                0 0 0 1px rgba(192, 38, 211, 0.2);
    backdrop-filter: blur(16px);
    animation: slideInNotif 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

@keyframes slideInNotif {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.notification-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(var(--accent-color-rgb), 0.3);
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.notification-text {
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0.85;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

.notification-close {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

:root[data-theme="light"] .notification-close,
html[data-theme="light"] .notification-close {
    background: rgba(0, 0, 0, 0.08);
    border: 1.5px solid rgba(0, 0, 0, 0.15);
}

.notification-close:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(var(--accent-color-rgb), 0.2);
}

:root[data-theme="light"] .notification-close:hover,
html[data-theme="light"] .notification-close:hover {
    background: rgba(0, 0, 0, 0.15);
}

.notification-close i {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.notification-close:hover i {
    transform: rotate(90deg);
}

.notification.hiding {
    animation: slideOutNotif 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes slideOutNotif {
    to {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
}

@media (max-width: 768px) {
    .notification {
        bottom: 12px;
        right: 12px;
        left: 12px;
        max-width: none;
    }
}

/* LIGHTBOX */
.lightbox {
    position: fixed !important;
    inset: 0 !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    animation: fadeIn 0.3s forwards;
    cursor: pointer;
    overflow: hidden;
}

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

.lightbox-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    height: fit-content;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
    cursor: zoom-in;
}

.lightbox img.zoomed {
    cursor: grab;
    transform: scale(1.8);
}

.lightbox img.zoomed:active {
    cursor: grabbing;
}

@media (max-width: 768px) {
    .lightbox img {
        max-width: 95vw;
        max-height: 85vh;
    }

    .lightbox img.zoomed {
        transform: scale(1.4);
    }
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .top-bars-container {
        flex-direction: column;
        gap: 16px;
        padding: 0 24px;
        top: 12px;
    }

    .top-bar-right-panel {
        flex-wrap: wrap;
    }
    
    .content {
        padding: 150px 24px 24px 24px;
    }
    
    .gallery {
        column-count: 3;
    }
    
    /* На мобильных только первая панель с прямыми углами при scroll */
    .top-bars-container.scrolled .top-bar-right-panel {
        border-radius: 16px;
    }
    
    .top-bars-container.scrolled .top-bar-right-panel::before {
        border-radius: 18px;
    }
}

@media (max-width: 768px) {
    .top-bar {
        flex-wrap: wrap;
        padding: 8px 12px;
        gap: 0.75rem;
    }

    .top-bar-right-panel {
        gap: 8px;
    }
    
    .top-bar-left-panel {
        justify-content: center;
    }
    
    .info-text {
        flex-direction: row;
        align-items: center;
        gap: 6px;
    }

    .skills-row {
        display: none;
    }

    .gallery {
        column-count: 2;
        column-gap: 16px;
    }

    .content {
        padding: 150px 16px 16px 16px;
    }
    
    .top-bars-container {
        padding: 0 16px;
        top: 8px;
    }
}

@media (max-width: 480px) {
    .username {
        font-size: 0.75rem;
    }

    .subtitle {
        font-size: 0.65rem;
    }

    .avatar {
        width: 36px;
        height: 36px;
    }

    .social-btn, .theme-toggle, .lang-toggle, .palette-toggle, .tooltip-btn {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
    }

    .top-bars-container {
        gap: 12px;
        padding: 0 12px;
    }
    
    .content {
        padding: 140px 12px 12px 12px;
    }
    
    .gallery {
        column-count: 1;
        column-gap: 12px;
    }
}