/* Reset и базовые стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Цвета */
    --color-bg: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-text: #1d1d1b;
    --color-text-secondary: #6c757d;
    --color-border: #e9ecef;
    --color-primary: #007aff;
    --color-primary-hover: #0056b3;
    --color-secondary: #6c757d;
    --color-success: #28a745;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    
    /* Тени */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    
    /* Радиусы */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Отступы */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Анимации */
    --transition-fast: 150ms cubic-bezier(0.2, 0.6, 0.2, 1);
    --transition-normal: 200ms cubic-bezier(0.2, 0.6, 0.2, 1);
}

/* Тёмная тема */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1a1a1a;
        --color-bg-secondary: #2d2d2d;
        --color-text: #ffffff;
        --color-text-secondary: #a0a0a0;
        --color-border: #404040;
    }
}

body {
    font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-weight: 400;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.language-switch {
    display: flex;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.lang-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.lang-btn.active {
    background: var(--color-bg);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-secondary {
    background: var(--color-secondary);
    color: white;
    border-color: var(--color-secondary);
}

.btn-success {
    background: var(--color-success);
    color: white;
    border-color: var(--color-success);
}

.btn-success:hover {
    background: #218838;
    border-color: #218838;
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-outline:hover {
    background: var(--color-bg-secondary);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 16px;
}

/* Main layout */
.main {
    padding: var(--spacing-xl) 0;
}

.editor {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

/* Sidebar */
.sidebar {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    height: fit-content;
    position: sticky;
    top: calc(80px + var(--spacing-xl));
}

.sidebar-section {
    margin-bottom: var(--spacing-xl);
}

.sidebar-section:last-child {
    margin-bottom: 0;
}

.sidebar-section h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

/* Layers */
.layers-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.layer-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    min-height: 50px;
}

.layer-item:hover {
    border-color: var(--color-primary);
    transform: scale(1.02);
    box-shadow: var(--shadow-sm);
}

.layer-item.active {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    background: rgba(0, 122, 255, 0.05);
}

.layer-color {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: var(--transition-fast);
}

.layer-color:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-sm);
}

.layer-name {
    flex: 1;
    font-size: 14px;
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition-fast);
}

.layer-name:hover {
    color: var(--color-primary);
}

.layer-lock {
    display: none; /* Убираем иконки замков */
}

/* Palettes */
.palettes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    justify-items: stretch;
}

.palette-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
}

.palette-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.palette-colors {
    display: flex;
    gap: 2px;
}

.palette-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
}

.palette-name {
    font-size: 12px;
    color: var(--color-text-secondary);
    text-align: center;
}

/* Logo upload */
.upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    background: var(--color-bg);
    margin-bottom: var(--spacing-md);
}

.upload-area:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-secondary);
}

.upload-area.dragover {
    border-color: var(--color-primary);
    background: rgba(0, 122, 255, 0.1);
}

.logo-section {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.logo-section h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.logo-text-section {
    margin-bottom: 0;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
}

.logo-text-section input[type="text"] {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    background: var(--color-bg);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.logo-text-section input[type="color"] {
    width: 48px;
    height: 32px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    flex-shrink: 0;
}

.logo-controls {
    margin-top: var(--spacing-md);
}

.control-group {
    margin-bottom: var(--spacing-md);
}

.control-group label {
    display: block;
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.control-group input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--color-border);
    outline: none;
    -webkit-appearance: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

/* Preview area */
.preview-area {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 600px;
}

.preview-container {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.matryoshka-wrapper {
    width: 40vw;
    height: 40vw;
    max-width: 900px;
    max-height: 900px;
    min-width: 420px;
    min-height: 420px;
}

.matryoshka-wrapper svg {
    width: 100%;
    height: 100%;
}

/* Actions panel */
.actions-panel {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    flex-wrap: wrap;
}

.actions-group {
    display: flex;
    gap: var(--spacing-sm);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

.modal-body {
    padding: var(--spacing-lg);
}

/* Color picker */
.color-selection-section {
    margin-bottom: var(--spacing-lg);
}

.color-selection-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.color-picker-container {
    display: grid;
    grid-template-columns: 84px 1fr auto;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.color-picker-container input[type="color"] {
    width: 76px;
    height: 48px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.color-picker-container input[type="text"] {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    background: var(--color-bg);
    color: var(--color-text);
}

.color-picker-container #eyedropperBtn {
    padding: 0 var(--spacing-md);
    height: 48px;
}

.quick-colors {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.quick-color {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: var(--transition-fast);
}

.quick-color:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-sm);
}

/* Export options */
.export-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.export-option h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.size-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.size-btn {
    flex: 1;
}

.background-options,
.quality-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.radio-option input[type="radio"] {
    margin: 0;
}

/* Форма заказа */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    background: var(--color-bg);
    color: var(--color-text);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.form-actions .btn {
    flex: 1;
}

/* Responsive */
@media (max-width: 1024px) {
    .editor {
        grid-template-columns: 320px 1fr;
        gap: var(--spacing-lg);
    }
    
    .sidebar {
        padding: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .header .container {
        padding: var(--spacing-sm);
    }
    
    .logo {
        font-size: 24px;
    }
    
    .header-actions {
        gap: var(--spacing-sm);
    }
    
    .editor {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .sidebar {
        position: static;
        order: 2;
    }
    
    .preview-area {
        order: 1;
        min-height: 400px;
    }
    
    .matryoshka-wrapper {
        width: 70vw;
        height: 70vw;
        max-width: 560px;
        max-height: 560px;
        min-width: 320px;
        min-height: 320px;
    }
    
    .actions-panel {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .actions-group {
        justify-content: center;
    }
    
    .share-btn {
        display: none;
    }
    
    .palettes-grid {
        justify-items: center;
    }
    
    .layers-list {
        grid-template-columns: 1fr 1fr;
    }
    
    .palettes-grid {
        grid-template-columns: 1fr;
    }
    
    .header {
        padding-bottom: env(safe-area-inset-bottom);
    }
    
    .header .container {
        padding-bottom: max(var(--spacing-sm), env(safe-area-inset-bottom));
    }
    
    /* Убираем переопределение на 1 колонку */
    
    .quick-colors {
        grid-template-columns: repeat(6, 1fr);
    }
}

@media (max-width: 480px) {
    .main {
        padding: var(--spacing-md) 0;
    }
    
    .preview-container {
        padding: var(--spacing-md);
    }
    
    .matryoshka-wrapper {
        width: 60vw;
        height: 60vw;
        max-width: 400px;
        max-height: 400px;
        min-width: 250px;
        min-height: 250px;
    }
    
    .modal-content {
        width: 95%;
    }
    
    .modal-header,
    .modal-body {
        padding: var(--spacing-md);
    }
}

/* Анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

.layer-item,
.palette-item,
.btn {
    animation: fadeIn 0.3s ease-out;
}

/* Hover эффекты для SVG */
.layer-hover {
    filter: drop-shadow(0 0 8px rgba(0, 122, 255, 0.5));
    transition: var(--transition-fast);
}

/* Утилиты */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}