:root {
    --primary-color: #0f172a;
    --secondary-color: #1e293b;
    --accent-color: #38bdf8;
    --accent-color-light: #7dd3fc;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --card-bg: rgba(30, 41, 59, 0.95);
    --gradient-start: #0f172a;
    --gradient-end: #1e293b;
    --skill-bg: rgba(56, 189, 248, 0.1);
    --skill-border: rgba(56, 189, 248, 0.3);
}

body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    background: var(--primary-color);
    color: var(--text-color);
    overflow-x: hidden;
}

canvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
}

.content-wrapper {
    position: relative;
    z-index: 1;
}

/* Card Container and Flip Animation */
.card-container {
    perspective: 1000px;
    width: 100%;
    max-width: 450px;
    margin: 0 20px;
}

.card-flip {
    position: relative;
    width: 100%;
    height: 600px;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.card-flip.flipped {
    transform: rotateY(180deg);
}

.portfolio-card {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.card-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 1rem;
}

/* Front card specific styles */
.portfolio-card.front .card-content {
    gap: 1.5rem;
}

/* Profile Image */
.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--accent-color);
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.2);
    margin: 0 auto;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.profile-image:hover img {
    transform: scale(1.1);
}

/* Card Content Styles */
.card-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(45deg, var(--text-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(56, 189, 248, 0.3);
}

.role {
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--accent-color-light);
    margin: 0;
    letter-spacing: 1px;
}

.status {
    font-size: 1rem;
    color: var(--text-color);
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(56, 189, 248, 0.1);
    border-radius: 20px;
    display: inline-block;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.status:hover {
    background: rgba(56, 189, 248, 0.15);
    transform: translateY(-1px);
    transition: all 0.3s ease;
}

/* Back card specific styles */
.portfolio-card.back {
    transform: rotateY(180deg);
}

.portfolio-card.back .card-content {
    gap: 2rem;
    text-align: center;
}

.section-title {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin: 0;
    font-weight: 600;
}

.about-text {
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
    color: var(--text-color);
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin: 0;
}

.skill-tag {
    background: var(--skill-bg);
    color: var(--accent-color-light);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--skill-border);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(56, 189, 248, 0.2);
}

/* Social Icons */
.social-icon {
    color: var(--text-color);
    font-size: 1.5rem;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-color-light));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.social-icon:hover {
    color: #fff;
    transform: translateY(-3px);
    border-color: var(--accent-color-light);
    box-shadow: 0 5px 15px rgba(56, 189, 248, 0.3);
}

.social-icon:hover::before {
    opacity: 1;
}

.social-icon .fa-github:hover {
    color: #fff;
}

.social-icon .fa-telegram:hover {
    color: #fff;
}

.social-icon .fa-envelope:hover {
    color: #fff;
}

.social-icon .fa-instagram:hover {
    color: #fff;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

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

/* Responsive Adjustments */
@media (max-width: 768px) {
    .card-container {
        margin: 0 15px;
    }
    
    .card-title {
        font-size: 2rem;
    }
    
    .profile-image {
        width: 150px;
        height: 150px;
    }
}

/* Prevent text selection */
.card-flip,
.portfolio-card {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Scrollbar Styling for Back Card */
.portfolio-card.back::-webkit-scrollbar {
    width: 6px;
}

.portfolio-card.back::-webkit-scrollbar-track {
    background: var(--secondary-color);
    border-radius: 3px;
}

.portfolio-card.back::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}

/* Remove old avatar styles */
.avatar-container,
.avatar,
.avatar-head,
.avatar-face,
.avatar-eyes,
.avatar-smile,
.avatar-hair,
.avatar-ears,
.avatar-body,
.avatar-jacket,
.avatar-shadow {
    display: none;
}

/* Remove old profile picture styles */
#profile-picture,
.profile-overlay {
    display: none;
}

.symbol-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: rotate 10s linear infinite;
}

.symbol-ring::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border: 3px solid transparent;
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: rotate-reverse 5s linear infinite;
}

.symbol-inner {
    position: absolute;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(201, 166, 107, 0.3);
    letter-spacing: -2px;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes rotate-reverse {
    from {
        transform: rotate(360deg);
    }
    to {
        transform: rotate(0deg);
    }
}

.quote {
    font-size: 1.1rem;
    font-weight: 400;
    font-style: italic;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Non-touch device hover effects */
@media (hover: hover) and (pointer: fine) {
    .card-flip:not(.touch-device):hover {
        transform: scale(1.02);
    }

    .card-flip:not(.touch-device):hover .portfolio-card::before {
        opacity: 0.2;
    }

    .card-flip:not(.touch-device).flipped {
        transform: rotateY(180deg) scale(1.02);
    }

    /* Hide click hint on non-touch devices */
    .card-flip:not(.touch-device) .hint-text.click-hint {
        display: none;
    }
}

/* Touch device styles */
.card-flip.touch-device {
    transform: none;
}

.card-flip.touch-device.flipped {
    transform: rotateY(180deg);
}

/* Hide hover hint on touch devices */
.card-flip.touch-device .hint-text.hover-hint {
    display: none;
}

.portfolio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    border: 2px solid transparent;
    background: linear-gradient(45deg, transparent, var(--accent-color-light), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hint-text {
    font-size: 0.9rem;
    opacity: 0.7;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 1rem;
}