/* Encryptor/Decryptor Styles */

.page-header {
    text-align: center;
    margin-bottom: 40px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 20px;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s;
}

.back-link:hover {
    color: var(--accent-color);
    background: var(--bg-primary);
    transform: translateX(-4px);
}

.back-link svg {
    width: 20px;
    height: 20px;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 10px 0;
}

.page-description {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Cipher Container */
.cipher-container {
    max-width: 1000px;
    margin: 0 auto;
}

/* Method Selection */
.method-section {
    margin-bottom: 30px;
}

.section-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-label svg {
    width: 20px;
    height: 20px;
    color: var(--accent-color);
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.method-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.method-btn svg {
    width: 24px;
    height: 24px;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.method-btn:hover {
    background: var(--bg-primary);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-hover);
}

.method-btn:hover svg {
    color: var(--accent-color);
}

.method-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.method-btn.active svg {
    color: white;
}

/* Caesar Settings */
.settings-section {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.shift-control {
    display: flex;
    align-items: center;
    gap: 20px;
}

.shift-slider {
    flex: 1;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.shift-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.shift-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.shift-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.shift-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-color);
    min-width: 40px;
    text-align: center;
}

/* IO Section */
.io-section {
    display: grid;
    gap: 20px;
}

.io-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.io-card:hover {
    box-shadow: 0 4px 12px var(--shadow-hover);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.card-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.card-label svg {
    width: 18px;
    height: 18px;
    color: var(--accent-color);
}

.action-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    color: var(--text-secondary);
}

.action-btn svg {
    width: 16px;
    height: 16px;
}

.action-btn:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    transform: scale(1.1);
}

.text-area {
    width: 100%;
    padding: 12px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.9375rem;
    resize: vertical;
    transition: all 0.3s;
    min-height: 150px;
}

.text-area:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.text-area::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.char-count {
    margin-top: 8px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-align: right;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
}

.main-btn {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
}

.main-btn svg {
    width: 20px;
    height: 20px;
}

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

.encrypt-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.decrypt-btn {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 2px solid var(--accent-color);
}

.decrypt-btn:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.swap-btn {
    padding: 14px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    color: var(--text-secondary);
}

.swap-btn svg {
    width: 20px;
    height: 20px;
}

.swap-btn:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

/* Info Panel */
.info-panel {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--accent-color);
    margin-top: 30px;
}

.info-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 10px;
    font-size: 1rem;
}

.info-header svg {
    width: 20px;
    height: 20px;
}

.info-panel p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9375rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .method-grid {
        grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    }

    .method-btn {
        padding: 12px 8px;
        font-size: 0.8125rem;
    }

    .method-btn svg {
        width: 20px;
        height: 20px;
    }

    .action-buttons {
        flex-wrap: wrap;
    }

    .main-btn {
        flex: 1 1 calc(50% - 6px);
        min-width: 0;
    }

    .swap-btn {
        flex: 1 1 100%;
        width: 100%;
    }

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

@media (max-width: 480px) {
    .method-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .io-card {
        padding: 16px;
    }

    .text-area {
        font-size: 0.875rem;
    }
}

/* Animations */
@keyframes success {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.success-animation {
    animation: success 0.3s ease-out;
}