/* ===== ОБЩИЕ СТИЛИ ===== */
:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --success: #10b981;
    --success-dark: #059669;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #e2e8f0;
    --text: #1e293b;
    --text-light: #64748b;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hash-generator-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 30px;
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.hash-generator-container.visible {
    opacity: 1;
    transform: translateY(0);
}

.hash-generator-container h1 {
    text-align: center;
    color: var(--dark);
    margin-bottom: 10px;
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.2;
}

.hash-generator-container .subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 30px;
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== КАРТОЧКА ГЕНЕРАЦИИ ===== */
.generator-card {
    background: var(--light);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    border: 1px solid var(--gray);
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.03);
}

.generator-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--dark);
    font-size: 0.95rem;
}

.text-input, .file-input, .variant-select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    font-size: 16px;
    background-color: white;
    transition: var(--transition);
}

.text-input:focus, .file-input:focus, .variant-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.file-input {
    padding: 12px;
}

.algorithm-selector {
    margin-bottom: 20px;
}

.tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--gray);
}

.tab {
    padding: 12px 24px;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-light);
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ===== КНОПКИ ===== */
.generate-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(to right, var(--success), var(--success-dark));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 7px 20px rgba(16, 185, 129, 0.4);
    background: linear-gradient(to right, #0da273, var(--success-dark));
}

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

.generate-btn:disabled {
    background: #cbd5e1;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ===== РЕЗУЛЬТАТ ===== */
.result-container {
    background: var(--dark);
    color: white;
    padding: 24px;
    border-radius: 12px;
    font-family: 'Courier New', monospace;
    font-size: 18px;
    word-break: break-all;
    margin: 25px 0;
    position: relative;
    min-height: 72px;
    line-height: 1.5;
    border: 1px solid #334155;
    transition: var(--transition);
}

.result-container:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

.result-content {
    padding-right: 80px;
    line-height: 1.5;
}

.copy-btn {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.copy-btn:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-50%) scale(1.03);
}

.copy-btn:active {
    transform: translateY(-50%) scale(0.98);
}

/* ===== УЛУЧШЕННЫЕ ФИЧИ ===== */
.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.feature-item {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--gray);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 4px;
    width: 100%;
    background: var(--primary);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

.feature-item h3 {
    color: var(--dark);
    margin: 16px 0 12px 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.feature-item p {
    color: var(--text-light);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.security-badge {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    border-radius: 12px;
    padding: 20px;
    margin: 25px 0;
    border-left: 4px solid var(--primary);
}

.security-badge p {
    margin: 0;
    color: var(--dark);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ===== ТЕРМИНАЛ ДЛЯ РАЗРАБОТЧИКОВ ===== */
.terminal {
    background: #0f172a;
    color: #e2e8f0;
    padding: 24px;
    border-radius: 12px;
    font-family: 'Courier New', monospace;
    font-size: 16px;
    margin: 35px 0;
    line-height: 1.6;
    position: relative;
    overflow: hidden;
}

.terminal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #ef4444, #f59e0b, #22c55e);
}

.terminal .command {
    color: #60a5fa;
    display: flex;
    align-items: center;
    gap: 10px;
}

.terminal .command::before {
    content: '$';
    color: #fbbf24;
}

.terminal .comment {
    color: #a5b4fc;
    padding-left: 24px;
    font-style: italic;
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 768px) {
    .hash-generator-container {
        margin: 20px 15px;
        padding: 20px;
    }
    
    .generator-card {
        padding: 24px;
    }
    
    .options-row {
        flex-direction: column;
        gap: 16px;
    }
    
    .result-container {
        font-size: 16px;
        padding: 20px;
    }
    
    .copy-btn {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .generate-btn {
        padding: 14px;
        font-size: 16px;
    }
    
    .terminal {
        padding: 18px;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .tab {
        width: 100%;
        text-align: center;
    }
}