:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.8);
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border: rgba(148, 163, 184, 0.2);
    --shadow: rgba(0, 0, 0, 0.3);
    --header-offset: 0px;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    animation: backgroundShift 20s ease infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    padding: 2rem 0;
    backdrop-filter: blur(10px);
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 100;
    transform: translateZ(0);
    will-change: transform;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.header-main {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex: 1;
    justify-content: space-between;
}

.header-greeting-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    position: relative;
    z-index: 10;
}

.header-greeting {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    box-shadow: 
        0 8px 32px rgba(99, 102, 241, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: fadeInSlide 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.header-greeting::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.header-greeting:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 12px 40px rgba(99, 102, 241, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    border-color: rgba(99, 102, 241, 0.5);
}

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

.greeting-emoji {
    font-size: 2rem;
    animation: wave 2.5s ease-in-out infinite;
    display: inline-block;
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.5));
    transition: transform 0.3s ease;
}

.greeting-emoji:hover {
    transform: scale(1.2) rotate(15deg);
}

@keyframes wave {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(20deg);
    }
    75% {
        transform: rotate(-20deg);
    }
}

.greeting-text {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    position: relative;
}

.greeting-line {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    letter-spacing: 0.3px;
    text-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

.name-highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    position: relative;
    display: inline-block;
    animation: gradientShift 3s ease infinite;
    background-size: 200% 200%;
    filter: drop-shadow(0 0 6px rgba(99, 102, 241, 0.6));
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.name-highlight::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #667eea, #764ba2, transparent);
    border-radius: 2px;
    animation: underlineGlow 2s ease-in-out infinite;
}

@keyframes underlineGlow {
    0%, 100% {
        opacity: 0.5;
        transform: scaleX(0.8);
    }
    50% {
        opacity: 1;
        transform: scaleX(1);
    }
}

.greeting-subline {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.3;
    font-weight: 400;
    opacity: 0.9;
    letter-spacing: 0.2px;
}

.emoji-inline {
    display: inline-block;
    animation: bounce 2.5s ease-in-out infinite;
    filter: drop-shadow(0 0 4px rgba(236, 72, 153, 0.4));
    margin-left: 0.25rem;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.add-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-1);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.add-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer !important;
    transition: all 0.3s ease;
    position: relative;
    z-index: 100 !important;
    pointer-events: auto !important;
    user-select: none;
}

.lang-btn:hover {
    background: rgba(30, 41, 59, 0.8);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.auth-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.auth-btn:hover {
    background: rgba(30, 41, 59, 0.8);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.auth-btn.logged-in {
    background: rgba(16, 185, 129, 0.2);
    border-color: #10b981;
    color: #10b981;
}

.auth-btn.logged-in:hover {
    background: rgba(16, 185, 129, 0.3);
}

.settings-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    padding: 0;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.settings-btn:hover {
    background: rgba(30, 41, 59, 0.8);
    border-color: var(--primary);
    transform: translateY(-2px) rotate(90deg);
}

.add-icon {
    font-size: 1.5rem;
    line-height: 1;
}

/* Уведомления */
@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

/* Main */
.main {
    padding: calc(3rem + var(--header-offset)) 0 3rem;
    min-height: calc(100vh - 100px);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.portfolio-grid[data-prerendered="true"] .portfolio-item {
    opacity: 1;
    animation: none;
    transform: none;
}

.portfolio-item {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.portfolio-item-actions {
    pointer-events: auto;
}

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

.portfolio-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px var(--shadow);
    border-color: var(--primary);
}

.portfolio-item-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.portfolio-item:hover .portfolio-item-image {
    transform: scale(1.1);
}

.portfolio-item-content {
    padding: 1.5rem;
}

.portfolio-item-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.portfolio-item-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.portfolio-item-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-icon {
    padding: 0.5rem;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-icon:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.05);
}

.btn-icon.delete:hover {
    background: #ef4444;
    border-color: #ef4444;
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    opacity: 0.6;
}

.empty-state.hidden {
    display: none;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-secondary);
}

/* Modal */
.modal {
    display: none !important;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex !important;
}

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

.modal-content {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    animation: slideUp 0.3s ease;
    position: relative;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    font-size: 1.75rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    transform: rotate(90deg);
}

.project-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input:not([type="file"]),
.form-group textarea {
    padding: 0.75rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.image-upload {
    position: relative;
}

.image-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    overflow: hidden;
    pointer-events: none;
    left: -9999px;
    top: -9999px;
    z-index: -1;
}

.upload-placeholder {
    position: relative;
    z-index: 1;
    cursor: pointer;
    pointer-events: auto;
    display: block;
    width: 100%;
    height: 100%;
    text-align: center;
    margin: 0;
    padding: 0;
}

.images-preview.has-images .upload-placeholder {
    display: none;
}

.image-preview,
.images-preview {
    width: 100%;
    min-height: 200px;
    border: 2px dashed var(--border);
    border-radius: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.4);
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.images-preview:not(.has-images) {
    cursor: pointer;
}

.images-preview:not(.has-images):hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.images-preview.has-images {
    cursor: default;
}

.images-preview span {
    color: var(--text-secondary);
    font-size: 0.95rem;
    z-index: 1;
    pointer-events: none;
}

.images-preview span {
    color: var(--text-secondary);
    font-size: 0.95rem;
    z-index: 1;
    pointer-events: none;
}

.add-more-images-btn {
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid var(--primary);
    border-radius: 12px;
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.add-more-images-btn:hover {
    background: rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

.image-preview-item {
    position: relative;
    width: calc(33.333% - 0.5rem);
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    pointer-events: auto;
}

.image-preview-item:hover {
    transform: scale(1.05);
    border-color: var(--primary);
}

.image-preview-item.main-image {
    border: 3px solid var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.3);
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-item .remove-image {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    background: rgba(239, 68, 68, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
    transition: all 0.2s ease;
    z-index: 10;
}

.image-preview-item .remove-image:hover {
    background: #ef4444;
    transform: scale(1.1);
}

.image-preview-item .main-badge {
    position: absolute;
    bottom: 0.25rem;
    left: 0.25rem;
    background: rgba(99, 102, 241, 0.9);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    display: none;
}

.image-preview-item.main-image .main-badge {
    display: block;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    flex: 1;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
    background: rgba(30, 41, 59, 0.6);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(30, 41, 59, 0.8);
    border-color: var(--primary);
}

.form-hint {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: block;
}

.auth-status {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    text-align: center;
    font-size: 0.9rem;
    display: none;
}

.auth-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.auth-status.success {
    display: block;
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.portfolio-item-actions.admin-only {
    display: none;
}

/* Image Modal */
.image-modal-content {
    max-width: 90vw;
    max-height: 90vh;
    padding: 0;
    background: transparent;
    border: none;
    position: relative;
}

.image-gallery {
    position: relative;
    width: 100%;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-gallery img {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 12px;
    display: none;
}

.image-gallery img.active {
    display: block;
}

.image-modal-content .close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1001;
}

.gallery-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    margin-top: -4px;
}

.gallery-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(30, 41, 59, 0.8);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.gallery-btn:hover:not(:disabled) {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.1);
}

.gallery-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.gallery-counter {
    color: var(--text-primary);
    font-weight: 500;
    min-width: 60px;
    text-align: center;
}

.image-info {
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 0 0 12px 12px;
    margin-top: 0;
}

.image-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.image-info p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .header {
        position: static !important;
        transform: none;
        will-change: auto;
    }

    .header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .header-main {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        align-items: stretch;
    }

    .header-greeting-wrapper {
        width: 100%;
    }

    .header-greeting {
        width: 100%;
        justify-content: center;
    }

    .add-btn span:last-child {
        display: none;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .header-greeting {
        flex-direction: column;
        text-align: center;
        padding: 0.75rem;
    }

    .greeting-text {
        align-items: center;
    }

    .greeting-line {
        font-size: 0.9rem;
    }

    .greeting-subline {
        font-size: 0.8rem;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}