/* QR Code Generator - Fully Responsive with Day/Night Mode */

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

/* ====================== QR CODE GENERATOR STYLES ====================== */

.qrcode-container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    font-family: 'Poppins', sans-serif;
}

.qrcode-wrapper {
    background: var(--surface);
    border-radius: 2rem;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.qrcode-title {
    /* font-family: 'Dancing Script', cursive; */
    font-size: 3rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    background: linear-gradient(135deg, var(--primary), #ffb3c6);
    -webkit-background-clip: text;
    background-clip: text;
    /* color: transparent; */
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.qrcode-heart {
    font-size: 2.5rem;
    filter: drop-shadow(0 0 10px rgba(255, 179, 198, 0.5));
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.qrcode-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 4px solid var(--primary);
}

.qrcode-card {
    background: var(--surface);
    border-radius: 1.5rem;
    padding: 1.8rem;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    margin-bottom: 2rem;
}

/* QR Code Display Area */
.qrcode-display-area {
    background: var(--bg);
    border-radius: 1.2rem;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.qrcode-canvas-container {
    width: 250px;
    height: 250px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #ffffff;
    border-radius: 1rem;
    padding: 0.5rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.qrcode-canvas {
    max-width: 100%;
    max-height: 100%;
    display: block;
}

.qrcode-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    text-align: center;
}

.qrcode-placeholder span {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.qrcode-placeholder p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.qrcode-actions {
    display: flex;
    gap: 1rem;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
}

.qrcode-action-btn {
    padding: 0.8rem 1.5rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    min-width: 180px;
}

.qrcode-action-btn.primary {
    background: linear-gradient(135deg, var(--primary), #8f6dff);
    color: white;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.3);
}

.qrcode-action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.5);
}

.qrcode-action-btn:not(.primary) {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-light);
}

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

/* Tabs */
.qrcode-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 2px solid var(--border);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    flex-wrap: wrap;
}

.qrcode-tab {
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.6rem 1.2rem;
    cursor: pointer;
    border-radius: 0.5rem 0.5rem 0 0;
    transition: all 0.2s;
}

.qrcode-tab:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.qrcode-tab.active {
    color: var(--primary);
    background: linear-gradient(to top, rgba(99, 102, 241, 0.2), transparent);
    position: relative;
}

.qrcode-tab.active::after {
    content: '';
    position: absolute;
    bottom: -7px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
    border-radius: 3px 3px 0 0;
}

.qrcode-generator {
    display: none;
    animation: fadeIn 0.3s ease;
}

.qrcode-generator.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.generator-title {
    font-size: 1.3rem;
    color: var(--text);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.generator-title .highlight {
    color: var(--primary);
    font-weight: 700;
}

/* Input Groups */
.input-group {
    margin-bottom: 1.2rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.qrcode-input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 0.8rem;
    color: var(--text);
    font-size: 0.95rem;
    transition: all 0.2s;
}

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

.qrcode-textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 0.8rem;
    color: var(--text);
    font-size: 0.95rem;
    min-height: 100px;
    resize: vertical;
    font-family: inherit;
}

.qrcode-textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* URL Input Group */
.url-input-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.url-protocol {
    width: 100px;
    padding: 0.8rem;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 0.8rem;
    color: var(--text);
    cursor: pointer;
}

/* Select Group */
.select-group {
    margin-bottom: 1.2rem;
}

.select-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.qrcode-select {
    width: 100%;
    padding: 0.8rem;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 0.8rem;
    color: var(--text);
    cursor: pointer;
}

.qrcode-select option {
    background: var(--bg);
}

/* Radio Group */
.radio-group {
    display: flex;
    gap: 1.5rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-light);
    cursor: pointer;
}

.radio-label input[type="radio"] {
    accent-color: var(--primary);
    width: 1rem;
    height: 1rem;
}

/* Checkbox */
.checkbox-label {
    margin: 1rem 0;
}

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

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

/* Input Grid for Contact */
.input-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.input-grid .full-width {
    grid-column: span 2;
}

/* Generator Actions */
.generator-actions {
    margin-top: 1.5rem;
}

.generator-action-btn {
    width: 100%;
    padding: 0.8rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.generator-action-btn.primary {
    background: linear-gradient(135deg, var(--primary), #8f6dff);
    color: white;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.3);
}

.generator-action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.5);
}

/* QR Code Controls */
.qrcode-controls {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.qrcode-controls h4 {
    color: var(--text);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.control-row {
    display: flex;
    gap: 2rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

.control-group {
    flex: 1;
    min-width: 150px;
}

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

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

.qrcode-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--surface);
    box-shadow: 0 0 10px var(--primary);
}

/* Bottom Actions */
.qrcode-bottom-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.qrcode-bottom-btn {
    flex: 1;
    padding: 0.6rem;
    background: transparent;
    border: 2px solid var(--border);
    border-radius: 2rem;
    color: var(--text-light);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

/* Presets */
.qrcode-presets {
    margin: 2rem 0;
}

.qrcode-presets h3 {
    color: var(--text);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.preset-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-light);
    padding: 0.6rem 1.2rem;
    border-radius: 2rem;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    font-weight: 500;
}

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

/* Fun Fact */
.qrcode-funfact {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(143, 109, 255, 0.1));
    padding: 1rem 1.5rem;
    border-radius: 3rem;
    margin: 2rem 0;
    border: 1px solid var(--border);
    color: var(--text-light);
    font-size: 0.95rem;
    text-align: center;
}

/* History */
.qrcode-history {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--bg);
    border-radius: 1.2rem;
    border: 1px solid var(--border);
}

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

.history-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
    min-height: 40px;
}

.history-item {
    background: var(--surface);
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    color: var(--text);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.history-item:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
}

.history-clear-btn {
    background: transparent;
    border: 1px solid #ef4444;
    color: #ef4444;
    padding: 0.4rem 1rem;
    border-radius: 1rem;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.history-clear-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    transform: translateY(-2px);
}

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

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

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

.qrcode-table th {
    background: var(--surface);
    color: var(--text);
    font-weight: 600;
    padding: 0.8rem;
    text-align: left;
    font-size: 0.9rem;
}

.qrcode-table td {
    padding: 0.8rem;
    color: var(--text-light);
    border-top: 1px solid var(--border);
    font-size: 0.9rem;
}

/* SEO Content */
.qrcode-seo {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.qrcode-seo h2 {
    color: var(--text);
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.qrcode-seo h3 {
    color: var(--text);
    margin: 1.5rem 0 1rem;
}

.qrcode-howto-list,
.qrcode-features-list {
    color: var(--text-light);
    padding-left: 1.5rem;
    line-height: 1.6;
}

.qrcode-howto-list li,
.qrcode-features-list li {
    margin-bottom: 0.5rem;
}

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

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

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

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

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

    .qrcode-wrapper {
        padding: 2rem;
    }

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

    .qrcode-heart {
        font-size: 2rem;
    }
}

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

    .qrcode-wrapper {
        padding: 1.5rem;
    }

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

    .qrcode-heart {
        font-size: 1.8rem;
    }

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

    .qrcode-card {
        padding: 1.2rem;
    }

    .qrcode-display-area {
        padding: 1.5rem;
    }

    .qrcode-canvas-container {
        width: 200px;
        height: 200px;
    }

    .qrcode-action-btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
        min-width: 150px;
    }

    .qrcode-tab {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

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

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

    .input-grid .full-width {
        grid-column: span 1;
    }

    .control-row {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .control-group {
        width: 100%;
    }

    .radio-group {
        gap: 1rem;
    }

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

    .qrcode-funfact {
        font-size: 0.85rem;
        padding: 0.8rem 1rem;
    }

    .history-item {
        max-width: 150px;
        font-size: 0.75rem;
    }

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

    .qrcode-seo h2 {
        font-size: 1.3rem;
    }

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

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

    .qrcode-wrapper {
        padding: 1rem;
        border-radius: 1.5rem;
    }

    .qrcode-title {
        font-size: 1.5rem;
        gap: 0.5rem;
        justify-content: center;
    }

    .qrcode-heart {
        font-size: 1.3rem;
    }

    .qrcode-subtitle {
        font-size: 0.85rem;
        text-align: center;
        border-left: none;
        padding-left: 0;
    }

    .qrcode-card {
        padding: 1rem;
    }

    .qrcode-display-area {
        padding: 1rem;
    }

    .qrcode-canvas-container {
        width: 180px;
        height: 180px;
    }

    .qrcode-actions {
        flex-direction: column;
        width: 100%;
    }

    .qrcode-action-btn {
        width: 100%;
        min-width: auto;
    }

    .qrcode-tabs {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        border-bottom: none;
        padding-bottom: 0;
    }

    .qrcode-tab {
        width: 100%;
        text-align: center;
        border-radius: 0.5rem;
    }

    .qrcode-tab.active::after {
        display: none;
    }

    .generator-title {
        font-size: 1rem;
        text-align: center;
    }

    .input-group label {
        font-size: 0.85rem;
    }

    .qrcode-input,
    .qrcode-textarea,
    .url-protocol,
    .qrcode-select {
        padding: 0.6rem 0.8rem;
        font-size: 0.85rem;
    }

    .url-input-group {
        flex-direction: column;
    }

    .url-protocol {
        width: 100%;
    }

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

    .generator-action-btn {
        padding: 0.7rem;
        font-size: 0.9rem;
    }

    .qrcode-controls h4 {
        font-size: 1rem;
    }

    .qrcode-bottom-actions {
        flex-direction: column;
    }

    .qrcode-bottom-btn {
        width: 100%;
    }

    .preset-buttons {
        gap: 0.6rem;
    }

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

    .qrcode-funfact {
        font-size: 0.75rem;
        padding: 0.6rem 0.8rem;
        border-radius: 2rem;
    }

    .history-item {
        max-width: 120px;
        font-size: 0.7rem;
        padding: 0.3rem 0.8rem;
    }

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

    .qrcode-seo h2 {
        font-size: 1.1rem;
    }

    .qrcode-seo h3 {
        font-size: 0.95rem;
    }

    .qrcode-howto-list li,
    .qrcode-features-list li {
        font-size: 0.85rem;
    }
}

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

    .qrcode-heart {
        font-size: 1.1rem;
    }

    .qrcode-canvas-container {
        width: 150px;
        height: 150px;
    }

    .preset-btn {
        padding: 0.35rem 0.7rem;
        font-size: 0.7rem;
    }
}

/* Touch-friendly improvements for mobile devices */
@media (hover: none) and (pointer: coarse) {
    .qrcode-tab,
    .qrcode-action-btn,
    .preset-btn,
    .history-item,
    .history-clear-btn,
    .qrcode-bottom-btn,
    .generator-action-btn {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }

    .qrcode-action-btn:active,
    .preset-btn:active,
    .history-item:active {
        transform: scale(0.95);
    }
}

/* Print styles */
@media print {
    .qrcode-tabs,
    .qrcode-actions,
    .qrcode-controls,
    .qrcode-bottom-actions,
    .qrcode-presets,
    .qrcode-funfact,
    .qrcode-history,
    .qrcode-reference,
    .qrcode-seo {
        display: none;
    }

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

    .qrcode-wrapper {
        background: none;
        box-shadow: none;
        padding: 0;
    }

    .qrcode-card {
        background: none;
        border: 1px solid #ddd;
    }
}

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

/* Dark mode specific adjustments */
@media (prefers-color-scheme: dark) {
    .qrcode-wrapper {
        background: var(--surface);
    }
}

/* Scrollbar styling */
.qrcode-input::-webkit-scrollbar,
.qrcode-textarea::-webkit-scrollbar,
.history-list::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.qrcode-input::-webkit-scrollbar-track,
.qrcode-textarea::-webkit-scrollbar-track,
.history-list::-webkit-scrollbar-track {
    background: var(--border);
    border-radius: 4px;
}

.qrcode-input::-webkit-scrollbar-thumb,
.qrcode-textarea::-webkit-scrollbar-thumb,
.history-list::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}