/* Remove Duplicate Lines - Fully Responsive with Day/Night Mode */

/* Import fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');

/* ====================== REMOVE DUPLICATE LINES STYLES ====================== */

.duplicate-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    font-family: 'Poppins', sans-serif;
}

.duplicate-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.duplicate-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-family: 'Poppins', sans-serif;
}

.duplicate-icon {
    font-size: 2.8rem;
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.duplicate-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.duplicate-card {
    background: var(--surface);
    border-radius: var(--radius, 16px);
    border: 1px solid var(--border);
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

/* Input Area */
.input-area {
    margin-bottom: 1.5rem;
}

.input-area label {
    display: block;
    margin-bottom: 0.6rem;
    color: var(--text-light);
    font-weight: 500;
}

.duplicate-textarea {
    width: 100%;
    min-height: 200px;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--bg);
    color: var(--text);
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.5;
    resize: vertical;
    transition: all 0.3s;
}

.duplicate-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.result-textarea {
    background: var(--bg);
    color: var(--primary);
    font-weight: 500;
}

.input-stats,
.result-stats {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Options */
.duplicate-options {
    margin: 1.5rem 0;
    padding: 1rem;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--border);
}

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

.option-group {
    display: flex;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text);
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    width: 1.1rem;
    height: 1.1rem;
    cursor: pointer;
    accent-color: var(--primary);
}

.checkbox-label small {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-left: 0.25rem;
}

/* Action Buttons */
.duplicate-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin: 1.5rem 0;
}

.duplicate-btn {
    padding: 0.8rem 1.6rem;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    border-radius: 12px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.duplicate-btn:hover:not(:disabled) {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}

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

.duplicate-btn.primary:hover {
    background: var(--primary-light, #818cf8);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.3);
}

.download-btn {
    background: linear-gradient(135deg, #10b981, #059669) !important;
    color: white !important;
    border-color: #10b981 !important;
}

.download-btn:hover {
    background: linear-gradient(135deg, #059669, #047857) !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
}

/* Result Area */
.result-area {
    margin-top: 1.5rem;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.6rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.result-header h4 {
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 600;
}

.result-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Statistics Cards */
.duplicate-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.stat-card {
    text-align: center;
    padding: 1rem;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Presets */
.duplicate-presets {
    margin: 2rem 0;
    text-align: center;
}

.duplicate-presets h3 {
    color: var(--text);
    margin-bottom: 1rem;
}

.preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
}

.preset-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-light);
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.preset-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Fun Fact */
.duplicate-funfact {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(143, 109, 255, 0.1));
    padding: 1rem 1.5rem;
    border-radius: 50px;
    margin: 2rem 0;
    text-align: center;
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Reference Table */
.duplicate-reference {
    margin: 2rem 0;
    overflow-x: auto;
}

.duplicate-reference h3 {
    color: var(--text);
    margin-bottom: 1rem;
}

.duplicate-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.duplicate-table th {
    background: var(--surface);
    color: var(--text);
    font-weight: 600;
    padding: 0.8rem;
    text-align: left;
}

.duplicate-table td {
    padding: 0.8rem;
    color: var(--text-light);
    border-top: 1px solid var(--border);
}

/* SEO Section */
.duplicate-seo {
    margin: 3rem 0;
    padding: 2rem;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.duplicate-seo h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.duplicate-seo h3 {
    font-size: 1.3rem;
    margin: 1.5rem 0 1rem;
    color: var(--text);
}

.duplicate-seo p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.duplicate-howto-list,
.duplicate-features-list {
    padding-left: 1.5rem;
    margin: 1rem 0;
}

.duplicate-howto-list li,
.duplicate-features-list li {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.duplicate-features-list {
    list-style: none;
    padding: 0;
}

.duplicate-features-list li {
    padding-left: 1.5rem;
    position: relative;
}

.duplicate-features-list li::before {
    content: '✓';
    color: var(--primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Message Notifications */
.duplicate-message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 500;
    animation: slideIn 0.3s ease;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.duplicate-message-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.duplicate-message-error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.duplicate-message-info {
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    color: white;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ====================== RESPONSIVE DESIGN ====================== */

/* Tablet Styles (768px to 1024px) */
@media screen and (max-width: 1024px) {
    .duplicate-container {
        padding: 0 1.5rem;
        margin: 1.5rem auto;
    }

    .duplicate-title {
        font-size: 2.5rem;
    }

    .duplicate-icon {
        font-size: 2.3rem;
    }

    .duplicate-card {
        padding: 1.5rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }
}

/* Mobile Landscape & Tablet Portrait (481px to 768px) */
@media screen and (max-width: 768px) {
    .duplicate-container {
        padding: 0 1rem;
        margin: 1rem auto;
    }

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

    .duplicate-icon {
        font-size: 1.8rem;
    }

    .duplicate-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }

    .duplicate-card {
        padding: 1.2rem;
    }

    .options-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .duplicate-actions {
        gap: 0.8rem;
    }

    .duplicate-btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
    }

    .duplicate-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }

    .stat-value {
        font-size: 1.3rem;
    }

    .result-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .preset-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .duplicate-funfact {
        font-size: 0.85rem;
        padding: 0.8rem 1rem;
        border-radius: 30px;
    }

    .duplicate-table th,
    .duplicate-table td {
        padding: 0.6rem;
        font-size: 0.85rem;
    }

    .duplicate-seo {
        padding: 1.5rem;
    }

    .duplicate-seo h2 {
        font-size: 1.5rem;
    }

    .duplicate-seo h3 {
        font-size: 1.1rem;
    }
}

/* Mobile Portrait (up to 480px) */
@media screen and (max-width: 480px) {
    .duplicate-container {
        padding: 0 0.75rem;
        margin: 0.75rem auto;
    }

    .duplicate-title {
        font-size: 1.5rem;
    }

    .duplicate-icon {
        font-size: 1.3rem;
    }

    .duplicate-subtitle {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }

    .duplicate-card {
        padding: 1rem;
        border-radius: 12px;
    }

    .duplicate-textarea {
        min-height: 150px;
        padding: 0.8rem;
        font-size: 0.85rem;
    }

    .duplicate-actions {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.6rem;
    }

    .duplicate-btn {
        width: 100%;
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }

    .duplicate-stats {
        grid-template-columns: 1fr;
        gap: 0.6rem;
    }

    .stat-card {
        padding: 0.8rem;
    }

    .stat-value {
        font-size: 1.2rem;
    }

    .input-stats,
    .result-stats {
        font-size: 0.7rem;
        flex-wrap: wrap;
    }

    .preset-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }

    .duplicate-funfact {
        font-size: 0.75rem;
        padding: 0.6rem 0.8rem;
    }

    .duplicate-table th,
    .duplicate-table td {
        padding: 0.5rem;
        font-size: 0.75rem;
    }

    .duplicate-seo h2 {
        font-size: 1.2rem;
    }

    .duplicate-seo h3 {
        font-size: 1rem;
    }

    .duplicate-seo p,
    .duplicate-howto-list li,
    .duplicate-features-list li {
        font-size: 0.85rem;
    }
}

/* Extra Small Devices (up to 360px) */
@media screen and (max-width: 360px) {
    .duplicate-title {
        font-size: 1.3rem;
    }

    .duplicate-icon {
        font-size: 1.1rem;
    }

    .duplicate-actions {
        grid-template-columns: 1fr;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .duplicate-btn,
    .preset-btn {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }

    .duplicate-btn:active,
    .preset-btn:active {
        transform: scale(0.98);
    }
}

/* Print styles */
@media print {
    .duplicate-actions,
    .duplicate-presets,
    .duplicate-funfact,
    .duplicate-reference {
        display: none;
    }

    .duplicate-container {
        padding: 0;
        margin: 0;
    }

    .duplicate-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Smooth transitions */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
}

/* Scrollbar styling */
.duplicate-textarea::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.duplicate-textarea::-webkit-scrollbar-track {
    background: var(--border);
    border-radius: 4px;
}

.duplicate-textarea::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}