/* iOS-Style Social Media Screenshot Generator */

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

:root {
    /* iOS Color Palette */
    --primary-color: #007AFF;
    --primary-hover: #0056CC;
    --secondary-color: #8E8E93;
    --accent-color: #34C759;
    --danger-color: #FF3B30;
    --warning-color: #FF9500;
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --text-tertiary: #C7C7CC;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F2F2F7;
    --bg-tertiary: #FFFFFF;
    --border-color: rgba(209, 209, 214, 0.6);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
    
    /* iOS Radius */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    
    /* iOS Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-spring: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Typography - San Francisco Font Stack */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', system-ui, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding: 2rem;
}

/* App Container */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
}

.app-interface {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Generator Selector */
.generator-selector {
    padding: 2rem;
    text-align: center;
    background: var(--bg-primary);
}

.generator-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.generator-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-align: center;
    min-width: 200px;
    position: relative;
    overflow: hidden;
}

.generator-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.05) 0%, rgba(0, 122, 255, 0.02) 100%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.generator-btn:hover::before {
    opacity: 1;
}

.generator-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.generator-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.generator-btn.active::before {
    display: none;
}

.generator-btn h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    letter-spacing: -0.01em;
}

.generator-btn p {
    font-size: 0.9rem;
    opacity: 0.7;
    font-weight: 400;
}

/* Main App Content */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    min-height: 600px;
}

.sidebar {
    background: var(--bg-tertiary);
    padding: 2rem;
    border-right: 1px solid var(--border-color);
}

.control-panel {
    background: transparent;
    border: none;
    padding: 0;
    margin-bottom: 2rem;
}

.control-panel:last-child {
    margin-bottom: 0;
}

.control-panel h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    letter-spacing: -0.01em;
}

.control-group {
    margin-bottom: 1.5rem;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-group label {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

/* iOS-style Form Elements */
select, button, input[type="text"], textarea {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-weight: 400;
    transition: var(--transition-smooth);
    outline: none;
    font-family: inherit;
    width: 100%;
    background: var(--bg-primary);
    color: var(--text-primary);
    appearance: none;
}

select:focus, input:focus, textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
    background: var(--bg-primary);
}

select:hover, input:hover, textarea:hover {
    border-color: var(--secondary-color);
}


textarea {
    resize: vertical;
    min-height: 80px;
}

/* Checkbox Styling */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.checkbox-label:hover {
    color: var(--primary-color);
}

input[type="checkbox"] {
    width: auto !important;
    margin: 0 !important;
    accent-color: var(--primary-color);
    transform: scale(1.1);
    cursor: pointer;
}

/* Font Size Controls */
.font-size-control {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.font-size-control input[type="range"] {
    flex: 1;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    outline: none;
    border: none;
}

.font-size-control input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.font-size-control input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.font-size-control span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    min-width: 4rem;
    text-align: center;
    background: var(--bg-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

/* iOS-style Buttons */
.btn {
    cursor: pointer;
    border: none;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    white-space: nowrap;
    transition: var(--transition-smooth);
    font-family: inherit;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
    min-height: 44px;
    border-radius: var(--radius-md);
    padding: 0.75rem 1.25rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-lg {
    padding: 1rem 1.5rem;
    font-size: 1.125rem;
    min-height: 52px;
}

.btn-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    min-height: 36px;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

/* Output Section */
.output-section {
    background: var(--bg-primary);
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.preview-header {
    margin-bottom: 1.5rem;
}

.preview-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    letter-spacing: -0.01em;
}

.preview-content {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    min-height: 400px;
}

.render-area, #reddit-render-area {
    height: 100%;
    aspect-ratio: 9/16;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.render-area iframe, #reddit-render-area iframe {
    width: 1080px;
    height: 1920px;
    border: none;
    transform-origin: top left;
    position: absolute;
    top: 0;
    left: 0;
}

.placeholder {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
}

.placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.placeholder h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.placeholder p {
    font-size: 0.9rem;
}

/* Message Controls */
.message-controls {
    margin-top: auto;
}

.message-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto auto auto;
    gap: 0.75rem;
}

/* Message Actions Row */
.message-grid .btn:nth-child(1), /* Add Left */
.message-grid .btn:nth-child(2) { /* Add Right */
    grid-row: 1;
}

/* Image Actions Row */
.message-grid .btn:nth-child(3), /* Add Left Image */
.message-grid .btn:nth-child(4) { /* Add Right Image */
    grid-row: 2;
}

/* Position Controls Row */
.message-grid .btn:nth-child(5), /* Add Before */
.message-grid .btn:nth-child(6) { /* Add After */
    grid-row: 3;
}

/* Management Actions Row */
.message-grid .btn:nth-child(7), /* Delete */
.message-grid .btn:nth-child(8) { /* Clear All */
    grid-row: 4;
}

/* Export Action - Full Width */
.message-grid .btn:nth-child(9) { /* Generate Screenshots */
    grid-row: 5;
    grid-column: 1 / -1;
    margin-top: 0.5rem;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border-top: 2px solid var(--border-color);
    position: relative;
}

.message-grid .btn:nth-child(9)::before {
    content: '';
    position: absolute;
    top: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.message-grid .btn {
    font-size: 0.8rem;
    padding: 0.75rem 0.5rem;
    flex-direction: column;
    gap: 0.25rem;
    text-align: center;
    min-height: 70px;
}

.message-grid .btn i {
    font-size: 1.125rem;
}

.message-grid .btn span {
    font-size: 0.75rem;
    opacity: 0.9;
    line-height: 1.2;
}

/* Action Group Visual Separators */
.message-grid .btn:nth-child(1),
.message-grid .btn:nth-child(3),
.message-grid .btn:nth-child(5),
.message-grid .btn:nth-child(7) {
    margin-bottom: 0;
}

.message-grid .btn:nth-child(2),
.message-grid .btn:nth-child(4),
.message-grid .btn:nth-child(6),
.message-grid .btn:nth-child(8) {
    margin-bottom: 0;
}

/* Add subtle group separators */
.message-grid .btn:nth-child(2)::after,
.message-grid .btn:nth-child(4)::after,
.message-grid .btn:nth-child(6)::after {
    content: '';
    position: absolute;
    bottom: -0.375rem;
    left: 25%;
    right: 25%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    opacity: 0.3;
}

/* Message Button Colors - iOS Style Subtle */
.msg-left {
    background: var(--bg-secondary);
    color: var(--primary-color);
    border: 1px solid rgba(0, 122, 255, 0.2);
}

.msg-left:hover {
    background: rgba(0, 122, 255, 0.1);
    border-color: var(--primary-color);
}

.msg-right {
    background: var(--bg-secondary);
    color: var(--primary-color);
    border: 1px solid rgba(0, 122, 255, 0.2);
}

.msg-right:hover {
    background: rgba(0, 122, 255, 0.1);
    border-color: var(--primary-color);
}

.img-left {
    background: var(--bg-secondary);
    color: var(--secondary-color);
    border: 1px solid rgba(142, 142, 147, 0.3);
}

.img-left:hover {
    background: rgba(142, 142, 147, 0.1);
    color: var(--text-primary);
}

.img-right {
    background: var(--bg-secondary);
    color: var(--secondary-color);
    border: 1px solid rgba(142, 142, 147, 0.3);
}

.img-right:hover {
    background: rgba(142, 142, 147, 0.1);
    color: var(--text-primary);
}

.add-before {
    background: var(--bg-secondary);
    color: var(--accent-color);
    border: 1px solid rgba(52, 199, 89, 0.2);
}

.add-before:hover {
    background: rgba(52, 199, 89, 0.1);
    border-color: var(--accent-color);
}

.add-after {
    background: var(--bg-secondary);
    color: var(--accent-color);
    border: 1px solid rgba(52, 199, 89, 0.2);
}

.add-after:hover {
    background: rgba(52, 199, 89, 0.1);
    border-color: var(--accent-color);
}

.delete-btn {
    background: var(--bg-secondary);
    color: var(--danger-color);
    border: 1px solid rgba(255, 59, 48, 0.2);
}

.delete-btn:hover {
    background: rgba(255, 59, 48, 0.1);
    border-color: var(--danger-color);
}

.clear-all-btn {
    background: var(--bg-secondary);
    color: var(--warning-color);
    border: 1px solid rgba(255, 149, 0, 0.2);
}

.clear-all-btn:hover {
    background: rgba(255, 149, 0, 0.1);
    border-color: var(--warning-color);
}

.message-grid .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Reddit Generator Screenshot Button - Match 9th child styling */
#generate-reddit-screenshot {
    margin-top: 0.5rem !important;
    padding: 1rem 1.5rem !important;
    font-size: 1rem !important;
    border-top: 2px solid var(--border-color);
    position: relative;
    width: 100%;
    grid-column: 1 / -1;
}

#generate-reddit-screenshot::before {
    content: '';
    position: absolute;
    top: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}



/* Screenshots Section */
.screenshots-section {
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.screenshots-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.screenshots-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    letter-spacing: -0.01em;
}

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

#empty-screenshots {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color);
    color: var(--text-secondary);
    margin: 1rem 0;
    transition: var(--transition-smooth);
}

#empty-screenshots:hover {
    border-color: var(--secondary-color);
    background: var(--bg-secondary);
}

#empty-screenshots i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-tertiary);
}

#empty-screenshots h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

#empty-screenshots p {
    font-size: 0.9rem;
    opacity: 0.8;
    text-align: center;
    max-width: 250px;
    line-height: 1.4;
}

.screenshot-item {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.screenshot-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.screenshot-title {
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.screenshot-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.screenshot-image:hover {
    transform: scale(1.02);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 18px;
    height: 18px;
    border: 2px solid currentColor;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* iOS-style Notifications */
.notification {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    color: white;
    font-weight: 500;
    z-index: 1000;
    opacity: 0;
    transform: translateX(-50%) translateY(-100%);
    transition: var(--transition-smooth);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    font-size: 0.9rem;
    letter-spacing: -0.01em;
}

.notification.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.notification.success {
    background: rgba(52, 199, 89, 0.9);
}

.notification.error {
    background: rgba(255, 59, 48, 0.9);
}

.notification.warning {
    background: rgba(255, 149, 0, 0.9);
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
}

.status-success {
    background: rgba(52, 199, 89, 0.1);
    color: var(--accent-color);
}

.status-error {
    background: rgba(255, 59, 48, 0.1);
    color: var(--danger-color);
}

.status-warning {
    background: rgba(255, 149, 0, 0.1);
    color: var(--warning-color);
}

/* Rate Limit Disclaimer */
.rate-limit-disclaimer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 149, 0, 0.08);
    border: 1px solid rgba(255, 149, 0, 0.2);
    border-radius: var(--radius-sm);
    color: var(--warning-color);
    font-size: 0.875rem;
    font-weight: 500;
}

.rate-limit-disclaimer i {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}


/* Fade In Animation */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    .main-content {
        grid-template-columns: 1fr;
    }

    .sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .render-area, #reddit-render-area {
        max-width: 280px;
    }

    .message-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto auto auto auto;
    }

    .message-grid .btn {
        min-height: 60px;
        font-size: 0.75rem;
        padding: 0.6rem 0.4rem;
    }

    .message-grid .btn:nth-child(9) {
        font-size: 0.9rem;
        padding: 0.9rem 1.2rem;
    }

    .screenshots-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    body {
        padding: 0.5rem;
    }

    .sidebar, .output-section, .screenshots-section {
        padding: 1.5rem;
    }

    .render-area, #reddit-render-area {
        max-width: 240px;
    }

    .message-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto auto auto auto;
    }

    .message-grid .btn {
        min-height: 50px;
        font-size: 0.7rem;
        padding: 0.5rem 0.3rem;
    }

    .message-grid .btn span {
        font-size: 0.65rem;
    }

    .message-grid .btn:nth-child(9) {
        font-size: 0.85rem;
        padding: 0.8rem 1rem;
    }

    .control-panel h3 {
        font-size: 1.125rem;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        padding: 0;
    }

    .app-interface {
        box-shadow: none;
        border: none;
    }

    .message-controls,
    .screenshots-section {
        display: none;
    }
}