/* Минималистичный дизайн в тёплых светло-бежевых тонах */

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

:root {
    --beige-light: #f5f1eb;
    --beige-warm: #e8ddd4;
    --beige-medium: #d4c4b0;
    --beige-dark: #c4b5a0;
    --brown-light: #b8a896;
    --brown-medium: #9d8b7a;
    --text-dark: #5a4f42;
    --text-light: #8b7d6b;
    --shadow-soft: rgba(90, 79, 66, 0.1);
    --shadow-medium: rgba(90, 79, 66, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--beige-light) 0%, var(--beige-warm) 100%);
    color: var(--text-dark);
    min-height: 100vh;
    padding: 2rem;
    line-height: 1.6;
}

@media (max-width: 640px) {
    body {
        padding: 0.5rem;
    }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

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

@media (max-width: 640px) {
    .container {
        gap: 0.75rem;
    }
}

.panel {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 8px 32px var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@media (max-width: 640px) {
    .panel {
        padding: 1rem;
        border-radius: 12px;
    }
}

.panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px var(--shadow-medium);
}

h1 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

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

.subtitle {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    font-weight: 400;
}

@media (max-width: 640px) {
    h1 {
        font-size: 1.25rem;
        margin-bottom: 0.25rem;
    }

    .preview-title {
        font-size: 1.1rem;
    }

    .subtitle {
        font-size: 0.8rem;
        margin-bottom: 1rem;
    }
}

/* Форма */
.form-group {
    margin-bottom: 2rem;
}

@media (max-width: 640px) {
    .form-group {
        margin-bottom: 1rem;
    }
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.value-display {
    font-weight: 400;
    color: var(--brown-medium);
    font-size: 0.9rem;
    background: var(--beige-warm);
    padding: 0.3rem 0.8rem;
    border-radius: 8px;
    font-family: 'Monaco', 'Courier New', monospace;
}

@media (max-width: 640px) {
    .form-group label {
        font-size: 0.85rem;
        margin-bottom: 0.5rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .value-display {
        font-size: 0.75rem;
        padding: 0.2rem 0.6rem;
    }
}

input[type="color"] {
    width: 100%;
    height: 50px;
    border: 2px solid var(--beige-medium);
    border-radius: 12px;
    cursor: pointer;
    background: white;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

@media (max-width: 640px) {
    input[type="color"] {
        height: 40px;
        border-radius: 8px;
    }
}

input[type="color"]:hover {
    border-color: var(--brown-light);
    box-shadow: 0 4px 12px var(--shadow-soft);
}

input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--beige-warm);
    outline: none;
    -webkit-appearance: none;
    transition: background 0.3s ease;
}

input[type="range"]:hover {
    background: var(--beige-medium);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--brown-medium);
    cursor: pointer;
    box-shadow: 0 2px 6px var(--shadow-medium);
    transition: transform 0.2s ease, background 0.2s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    background: var(--brown-light);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--brown-medium);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px var(--shadow-medium);
    transition: transform 0.2s ease, background 0.2s ease;
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.15);
    background: var(--brown-light);
}

/* Кнопки */
.btn {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--brown-medium) 0%, var(--brown-light) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.3s ease, background 0.3s ease;
    box-shadow: 0 4px 12px var(--shadow-soft);
    letter-spacing: 0.3px;
}

@media (max-width: 640px) {
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
        border-radius: 8px;
    }
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-medium);
    background: linear-gradient(135deg, var(--brown-light) 0%, var(--brown-medium) 100%);
}

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

/* Вывод ссылки */
.link-output {
    margin-top: 2rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

@media (max-width: 640px) {
    .link-output {
        margin-top: 1rem;
    }
}

.link-output.show {
    opacity: 1;
    transform: translateY(0);
}

.link-output label {
    display: block;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

@media (max-width: 640px) {
    .link-output label {
        font-size: 0.85rem;
        margin-bottom: 0.5rem;
    }
}

.link-display {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.link-text {
    flex: 1;
    padding: 0.9rem 1.2rem;
    background: var(--beige-light);
    border: 2px solid var(--beige-medium);
    border-radius: 12px;
    color: var(--text-dark);
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    word-break: break-all;
    transition: border-color 0.3s ease, background 0.3s ease;
}

@media (max-width: 640px) {
    .link-text {
        padding: 0.6rem 0.9rem;
        font-size: 0.75rem;
        border-radius: 8px;
    }
}

.link-text:hover {
    border-color: var(--brown-light);
    background: white;
}

.copy-btn {
    padding: 0.9rem 1.5rem;
    background: var(--beige-medium);
    color: var(--text-dark);
    border: 2px solid var(--beige-medium);
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

@media (max-width: 640px) {
    .copy-btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
        border-radius: 8px;
    }
}

.copy-btn:hover {
    background: var(--brown-light);
    border-color: var(--brown-light);
    color: white;
    transform: translateY(-1px);
}

.copy-btn.copied {
    background: var(--brown-medium);
    border-color: var(--brown-medium);
    color: white;
}

/* Панель предпросмотра */
.preview-panel {
    display: flex;
    flex-direction: column;
}

.preview-container {
    flex: 1;
    background: var(--beige-light);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    min-height: 300px;
    position: relative;
    border: 2px solid var(--beige-medium);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 640px) {
    .preview-container {
        padding: 1rem;
        margin-bottom: 1rem;
        min-height: 200px;
        border-radius: 12px;
    }
}

.ball {
    position: absolute;
    border-radius: 50%;
    transition: background-color 0.3s ease, width 0.3s ease, height 0.3s ease;
    box-shadow: 0 4px 16px var(--shadow-medium);
}

/* Статистика */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 640px) {
    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .stats {
        grid-template-columns: 1fr;
    }
}

.stat-item {
    background: var(--beige-warm);
    padding: 1.25rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--beige-medium);
    transition: transform 0.2s ease, background 0.3s ease;
}

@media (max-width: 640px) {
    .stat-item {
        padding: 0.75rem;
        border-radius: 8px;
    }
}

.stat-item:hover {
    transform: translateY(-2px);
    background: var(--beige-light);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    font-family: 'Monaco', 'Courier New', monospace;
}

@media (max-width: 640px) {
    .stat-label {
        font-size: 0.7rem;
        margin-bottom: 0.25rem;
    }

    .stat-value {
        font-size: 0.9rem;
    }
}

.client-status {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

@media (max-width: 640px) {
    .client-status {
        padding: 0.2rem 0.6rem;
        font-size: 0.75rem;
        border-radius: 6px;
    }
}

.client-status.connected {
    background: #4caf50;
    color: white;
}

.client-status.disconnected {
    background: #f44336;
    color: white;
}

/* Адаптивность */
@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .panel {
        padding: 1.5rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .link-display {
        flex-direction: column;
    }

    .copy-btn {
        width: 100%;
    }
}