/* CSS Reset & Variables */
:root {
    /* Fonts */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

/* Dark Pink Theme (Cyber Fuchsia & Berry) - Default */
[data-theme="dark"] {
    --bg-main: #0b050d;
    --bg-surface: rgba(22, 11, 26, 0.7);
    --bg-surface-solid: #160b1a;
    --border-color: rgba(236, 72, 153, 0.15);
    --border-color-hover: rgba(236, 72, 153, 0.5);
    
    --text-primary: #fff1f2;
    --text-secondary: #f472b6;
    --text-muted: #9d174d;
    
    --primary: #ec4899;
    --primary-hover: #db2777;
    --primary-glow: rgba(236, 72, 153, 0.25);
    
    --accent: #d946ef;
    --accent-gradient: linear-gradient(135deg, #ff007f 0%, #ec4899 50%, #d946ef 100%);
    
    --success: #10b981;
    --success-hover: #059669;
    --success-glow: rgba(16, 185, 129, 0.2);
    
    --danger: #f43f5e;
    --danger-hover: #e11d48;

    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    --header-bg: rgba(11, 5, 13, 0.8);
    --glow-opacity: 0.25;
}

/* Light Pink Theme (Rose Gold & Blush Pastel) */
[data-theme="light"] {
    --bg-main: #fff1f2;
    --bg-surface: rgba(255, 255, 255, 0.85);
    --bg-surface-solid: #ffffff;
    --border-color: rgba(219, 39, 119, 0.12);
    --border-color-hover: rgba(219, 39, 119, 0.4);
    
    --text-primary: #4c0519;
    --text-secondary: #9d174d;
    --text-muted: #fda4af;
    
    --primary: #db2777;
    --primary-hover: #be185d;
    --primary-glow: rgba(219, 39, 119, 0.15);
    
    --accent: #d946ef;
    --accent-gradient: linear-gradient(135deg, #db2777 0%, #d946ef 100%);
    
    --success: #059669;
    --success-hover: #047857;
    --success-glow: rgba(5, 150, 105, 0.15);
    
    --danger: #e11d48;
    --danger-hover: #be123c;

    --card-shadow: 0 8px 32px 0 rgba(157, 23, 77, 0.06);
    --header-bg: rgba(255, 241, 242, 0.8);
    --glow-opacity: 0.08;
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    line-height: 1.6;
}

/* Background Ambient Glows */
.glow-bg {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 100vh;
    background: 
        radial-gradient(circle at 10% 20%, rgba(255, 0, 127, var(--glow-opacity)) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(217, 70, 239, var(--glow-opacity)) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}

/* Typography */
h1, h2, h3, h4, .brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Header */
.app-header {
    background-color: var(--header-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px rgba(255, 0, 127, 0.4);
}

.icon-brand {
    width: 20px;
    height: 20px;
}

.brand-name {
    font-size: 1.5rem;
    letter-spacing: -0.03em;
}

.accent-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-badges {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
}

.secure-badge {
    background-color: var(--primary-glow);
    color: var(--primary);
    border: 1px solid var(--border-color);
}

.icon-small {
    width: 16px;
    height: 16px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
    border-color: var(--border-color-hover);
    background-color: rgba(236, 72, 153, 0.08);
}

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

.theme-toggle-btn i {
    width: 20px;
    height: 20px;
}

/* Main Layout */
.main-content {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    z-index: 1;
}

/* Hero Section */
.hero-section {
    text-align: center;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 3.2rem;
    line-height: 1.15;
    letter-spacing: -0.04em;
    margin-bottom: 0.5rem;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
}

/* Workspace Grid: The 3 Main Steps */
.workspace-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
    align-items: stretch;
}

/* Step Card */
.step-card {
    background-color: var(--bg-surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.step-card:hover {
    border-color: var(--border-color-hover);
    box-shadow: 0 12px 40px 0 rgba(236, 72, 153, 0.12);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--accent-gradient);
    color: white;
    font-family: var(--font-heading);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 10px rgba(255, 0, 127, 0.4);
}

.step-title {
    font-size: 1.4rem;
    letter-spacing: -0.02em;
}

.step-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Step 1: Dropzone styling */
.upload-dropzone {
    flex: 1;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    background-color: rgba(236, 72, 153, 0.01);
    position: relative;
    transition: all var(--transition-normal);
}

.upload-dropzone:hover, .upload-dropzone.dragover {
    border-color: var(--primary);
    background-color: rgba(236, 72, 153, 0.05);
}

.file-input-hidden {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.upload-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    background-color: var(--primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--primary);
    transition: transform var(--transition-normal);
}

.upload-dropzone:hover .upload-icon-wrapper {
    transform: translateY(-5px) scale(1.05);
}

.upload-icon {
    width: 32px;
    height: 32px;
}

.upload-primary-text {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: block;
}

.upload-secondary-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.75rem;
}

.browse-link {
    color: var(--primary);
    text-decoration: underline;
    font-weight: 500;
}

.upload-limit-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    background-color: var(--border-color);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
}

.file-count-badge {
    margin-top: 1rem;
    background-color: var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Step 2: Arrange / Sorting container */
.arrange-container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.thumbnail-grid {
    flex: 1;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: rgba(0, 0, 0, 0.25);
    min-height: 250px;
    max-height: 400px;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Custom scrollbar for preview grid */
.thumbnail-grid::-webkit-scrollbar {
    width: 6px;
}
.thumbnail-grid::-webkit-scrollbar-track {
    background: transparent;
}
.thumbnail-grid::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: var(--radius-full);
}

.grid-placeholder {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.7;
    text-align: center;
    padding: 2rem;
}

.placeholder-icon {
    width: 36px;
    height: 36px;
}

/* Dynamic Thumbnail Item */
.thumb-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    cursor: grab;
    user-select: none;
    position: relative;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.thumb-card:active {
    cursor: grabbing;
}

.thumb-card.dragging {
    opacity: 0.5;
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(236, 72, 153, 0.3);
}

.thumb-card.drag-over {
    border-top: 3px solid var(--primary);
}

.thumb-card:hover {
    border-color: var(--border-color-hover);
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

.thumb-drag-handle {
    color: var(--text-secondary);
    opacity: 0.8;
    display: flex;
    align-items: center;
    cursor: grab;
}

.thumb-drag-handle i {
    width: 18px;
    height: 18px;
}

.thumb-preview-wrapper {
    width: 50px;
    height: 65px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.thumb-canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb-info {
    flex: 1;
    min-width: 0; /* allows overflow truncation */
}

.thumb-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.thumb-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.9;
    margin-top: 0.15rem;
}

.thumb-remove {
    background: none;
    border: none;
    color: var(--text-secondary);
    opacity: 0.8;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.thumb-remove:hover {
    color: var(--danger);
    opacity: 1;
    background-color: rgba(244, 63, 94, 0.15);
}

.thumb-remove i {
    width: 18px;
    height: 18px;
}

/* Accessibility Move Buttons */
.thumb-actions {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.btn-move {
    background: none;
    border: none;
    color: var(--text-secondary);
    opacity: 0.7;
    cursor: pointer;
    padding: 0.2rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-move:hover {
    color: var(--text-primary);
    opacity: 1;
    background-color: var(--border-color);
}

.btn-move i {
    width: 14px;
    height: 14px;
}

/* Step 3: Combine Button States & Processing */
.combine-actions {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
    align-items: stretch;
}

.btn {
    border-radius: var(--radius-md);
    padding: 1rem 1.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    transition: all var(--transition-fast), transform 0.1s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn:active:not(:disabled) {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(255, 0, 127, 0.3);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 6px 24px rgba(255, 0, 127, 0.5);
    filter: brightness(1.08);
}

.btn-primary:disabled {
    background: var(--border-color);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
}

.btn-success {
    background-color: var(--success);
    color: white;
    box-shadow: 0 4px 20px var(--success-glow);
}

.btn-success:hover {
    background-color: var(--success-hover);
    box-shadow: 0 6px 24px rgba(16, 185, 129, 0.35);
}

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

.btn-secondary:hover {
    background-color: var(--border-color);
    border-color: var(--primary);
}

.btn-icon {
    width: 22px;
    height: 22px;
}

/* Loader styling */
.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3.5px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loader-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Ad Banner styling */
.ad-banner-section {
    max-width: 1000px;
    margin: 0 auto 1.5rem auto;
    padding: 0.5rem;
}

.ad-banner-container {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: var(--bg-surface);
    backdrop-filter: blur(16px);
}

.ad-banner-placeholder {
    min-height: 90px;
    display: flex;
    flex-direction: column;
    position: relative;
    padding: 0.5rem 1rem 1rem 1rem;
}

.ad-notice {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    opacity: 0.8;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    text-align: center;
}

.ad-content-mock {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    background-color: rgba(236, 72, 153, 0.04);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1.25rem;
    border: 1px dashed rgba(236, 72, 153, 0.25);
}

.ad-info-icon {
    width: 24px;
    height: 24px;
    color: var(--primary);
    flex-shrink: 0;
}

.ad-mock-text {
    flex: 1;
    min-width: 0;
}

.ad-mock-text h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.15rem;
}

.ad-mock-text p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ad-mock-button {
    background-color: var(--primary);
    color: white;
    font-weight: 600;
    font-size: 0.8rem;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    white-shrink: 0;
}

.ad-mock-button:hover {
    background-color: var(--primary-hover);
}

/* Security Info Grid */
.security-info-section {
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 4rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.info-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    text-align: left;
    transition: transform var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-4px);
}

.info-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background-color: var(--primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.25rem;
}

.info-icon {
    width: 22px;
    height: 22px;
}

.info-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.info-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    opacity: 0.9;
    line-height: 1.5;
}

/* Footer styling */
.app-footer {
    border-top: 1px solid var(--border-color);
    background-color: rgba(11, 5, 13, 0.95);
    padding: 2rem 2rem;
    text-align: center;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.app-footer p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    font-size: 0.85rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-links .divider {
    color: var(--border-color);
}

/* Modal styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity var(--transition-normal);
}

.modal-content {
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    padding: 2.5rem;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
    background-color: var(--border-color);
}

.modal-content h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.modal-body {
    overflow-y: auto;
    padding-right: 0.5rem;
    flex: 1;
}

.modal-body::-webkit-scrollbar {
    width: 6px;
}
.modal-body::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: var(--radius-full);
}

.modal-body h3 {
    font-size: 1.1rem;
    margin: 1.25rem 0 0.5rem 0;
}

.modal-body p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    opacity: 0.95;
    margin-bottom: 1rem;
}

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

.thumb-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.9;
    margin-top: 0.15rem;
}

.thumb-orientation-container {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.35rem;
}

.orientation-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.select-orientation {
    background-color: rgba(236, 72, 153, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.1rem 0.3rem;
    outline: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.select-orientation:hover {
    border-color: var(--primary);
    background-color: rgba(236, 72, 153, 0.15);
}

.select-orientation option {
    background-color: var(--bg-surface-solid);
    color: var(--text-primary);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .workspace-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .step-card {
        padding: 1.75rem;
    }
}

@media (max-width: 640px) {
    .main-content {
        padding: 2rem 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .header-container {
        padding: 1rem;
    }
    
    .ad-content-mock {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .ad-mock-button {
        width: 100%;
    }
    
    .badge {
        display: none; /* Hide secure badge on small screens to save space */
    }
}