/* ===== CSS Variables ===== */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #141824;
    --bg-tertiary: #1e2433;
    --bg-card: rgba(36, 43, 61, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.05);

    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-muted: #5f6368;

    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;

    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.4);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.2);

    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Light Theme */
body.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f7fa;
    --bg-tertiary: #e8edf2;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-glass: rgba(0, 0, 0, 0.05);

    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --text-muted: #718096;

    --border-color: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(0, 0, 0, 0.2);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.2);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ===== Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== Header ===== */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

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

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

.lang-toggle,
.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}

.lang-toggle:hover,
.theme-toggle:hover {
    border-color: var(--accent-primary);
    background: var(--bg-card);
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 50%, var(--accent-primary) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    padding: 3rem 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(99, 102, 241, 0.1) 50%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

.hero-content-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
}

.hero-text {
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.cta-button {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: rgba(36, 43, 61, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
    border-color: var(--accent-primary);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.quick-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.quick-filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 24px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.quick-filter-btn:hover {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
    transform: translateY(-1px);
}

.quick-filter-btn.active {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border-color: transparent;
}

.mini-calculator {
    background: rgba(36, 43, 61, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
}

.calc-title {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
}

.calc-inputs-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.calc-input-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.mini-calc-select {
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.mini-calc-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.volume-slider {
    width: 100%;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    cursor: pointer;
}

.volume-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.mini-calc-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.mini-calc-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.mini-calc-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.mini-calc-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.mini-calc-card:hover::after {
    opacity: 0.1;
}

.mini-calc-header {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
}

.mini-calc-model {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.mini-calc-provider {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.mini-calc-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.mini-calc-cost {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.mini-calc-quality {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.mini-calc-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.mini-calc-roi {
    font-size: 0.9rem;
    color: var(--accent-success);
    font-weight: 600;
}

.search-bar {
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

/* ===== Table Enhancements ===== */
.badges {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.price-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.price-main {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.price-output {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.savings {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background: var(--accent-success);
    color: white;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

.roi-value {
    font-weight: 700;
    font-size: 1.1rem;
    font-family: var(--font-mono);
}

.roi-high {
    color: var(--accent-success);
}

.roi-medium {
    color: var(--accent-warning);
}

.roi-low {
    color: var(--text-secondary);
}

.use-cases {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.use-case-tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ===== Main Content ===== */
.main-content {
    padding: 2rem 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
}

/* ===== Filters ===== */
.filters {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    height: fit-content;
    position: sticky;
    top: 100px;
}

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

.filter-header h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.reset-filters {
    background: transparent;
    border: none;
    color: var(--accent-primary);
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

.reset-filters:hover {
    text-decoration: underline;
}

.filter-group {
    margin-bottom: 1.75rem;
}

.filter-group h4 {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.price-range {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.price-range input[type="range"] {
    width: 100%;
    accent-color: var(--accent-primary);
}

.price-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.calculator-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    color: white;
    padding: 0.9rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 1rem;
}

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

/* ===== Models Section ===== */
.models-section {
    flex: 1;
}

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

.table-header h2 {
    font-size: 1.5rem;
}

.view-controls {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
}

.view-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

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

/* ===== Table ===== */
.table-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.models-table {
    width: 100%;
    border-collapse: collapse;
}

.models-table thead {
    background: var(--bg-tertiary);
}

.models-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.models-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.models-table th.sortable:hover {
    color: var(--accent-primary);
}

.models-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.models-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.models-table td {
    padding: 1rem;
    color: var(--text-primary);
}

.provider-cell {
    font-weight: 600;
    color: var(--accent-primary);
}

.model-cell {
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.price-cell {
    font-family: var(--font-mono);
    font-weight: 600;
}

.modality-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.rf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.rf-badge.available {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-success);
    border: 1px solid var(--accent-success);
}

.rf-badge.vpn {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-warning);
    border: 1px solid var(--accent-warning);
}

.action-btns {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

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

/* ===== Cards View ===== */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.model-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: var(--transition);
}

.model-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.model-card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.model-card-title h3 {
    font-size: 1.1rem;
    color: var(--accent-primary);
    margin-bottom: 0.25rem;
}

.model-card-title p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.model-card-price {
    text-align: right;
}

.model-card-price .input-price {
    font-size: 1.25rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

.model-card-price .output-price {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.model-card-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.model-card-detail span {
    display: block;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.model-card-detail strong {
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* ===== Chart View ===== */
.chart-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    height: 600px;
}

/* ===== Comparison Bar ===== */
.comparison-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    z-index: 50;
}

.comparison-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
}

.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background: #00b8db;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-danger);
    color: var(--accent-danger);
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow: auto;
    box-shadow: var(--shadow-lg);
}

.modal-content.large {
    max-width: 1000px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.5rem;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: var(--transition);
}

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

.modal-body {
    padding: 1.5rem;
}

.calc-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.input-group input {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.calc-results {
    max-height: 400px;
    overflow-y: auto;
}

.calc-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    transition: var(--transition);
}

.calc-result-item:hover {
    border-color: var(--accent-primary);
}

.calc-result-info h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.calc-result-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.calc-result-price {
    text-align: right;
}

.calc-result-price .total {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

.calc-result-price .breakdown {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* ===== Utility Classes ===== */
.hidden {
    display: none !important;
}

/* ===== Responsive Design ===== */
@media (max-width: 1280px) {
    .mini-calc-results {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .filters {
        position: static;
        margin-bottom: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .quick-filters {
        gap: 0.75rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 2rem 0;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .mini-calculator {
        padding: 1.5rem;
    }

    .calc-inputs-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .mini-calc-results {
        grid-template-columns: 1fr;
    }

    .quick-filters {
        flex-direction: column;
    }

    .quick-filter-btn {
        width: 100%;
    }

    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .models-table {
        min-width: 900px;
    }

    .calc-inputs {
        grid-template-columns: 1fr;
    }

    .cards-container {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        margin: 1rem auto;
        max-height: 90vh;
        overflow-y: auto;
    }
}

@media (max-width: 768px) {
    .header-content {
        justify-content: space-between;
        align-items: center;
    }

    .burger {
        display: flex;
    }

    .header-actions {
        display: none;
    }

    .hero-text {
        padding: 0 1rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 2rem;
    }

    .filter-section {
        order: -1;
    }

    .filter-container {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: var(--bg-primary);
        z-index: 998;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .filter-container.active {
        transform: translateX(0);
    }

    .models-section {
        padding-top: 2rem;
    }

    .table-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .models-table {
        min-width: 900px;
    }

    .calc-inputs {
        grid-template-columns: 1fr;
    }

    .cards-container {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        margin: 1rem auto;
        max-height: 90vh;
        overflow-y: auto;
    }

    .mobile-menu {
        display: block;
    }

    .mobile-menu-overlay {
        display: block;
    }

    .quick-filters {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .quick-filter-btn {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
}

/* Анимации для современных эффектов */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

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

/* Glassmorphism эффекты для усиления современного вида */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-glass);
}

.glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.3);
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-glass);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.4);
}

.model-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-glass);
    transition: all 0.3s ease;
}

.model-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.4);
}

/* Улучшенные эффекты для мини-калькулятора */
.calc-container {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-glass);
}

/* Анимации загрузки для скелетонов */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, rgba(255, 255, 255, 0.1) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

/* Плавные анимации для интерактивных элементов */
.interactive {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.interactive:hover {
    transform: translateY(-2px);
}

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

/* Burger menu styles */
.burger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1000;
}

.burger span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile menu overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    backdrop-filter: blur(5px);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 350px;
    height: 100%;
    background: var(--bg-primary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-glass);
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-close {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: var(--transition);
}

.mobile-menu-close:hover {
    background: var(--bg-tertiary);
}

.mobile-menu-content {
    padding: 1.5rem;
}