/**
 * =============================================================================
 * FONDLEE STYLES
 * =============================================================================
 * Clean, modern CSS for the Fondlee birthday card app.
 * Mobile-first responsive design.
 * No frameworks, no preprocessors - just vanilla CSS.
 * =============================================================================
 */

/* =============================================================================
   CSS VARIABLES
   ============================================================================= */

:root {
    /* Colors - Based on Fondlee logo accent colors */
    /* Logo Pink: #f287b7 | Logo Blue: #4ad4ff */
    
    --color-primary: #e0609a;          /* Darker pink for button contrast */
    --color-primary-dark: #c94d85;     /* Even darker for hover states */
    --color-primary-light: #f287b7;    /* Original logo pink for accents */
    --color-secondary: #1bb8e5;        /* Darker blue for contrast */
    --color-secondary-dark: #0fa3cc;   /* Even darker for hover states */
    --color-secondary-light: #4ad4ff;  /* Original logo blue for accents */
    --color-accent: #4ad4ff;           /* Logo blue as accent */
    --color-accent-light: #e8f9ff;     /* Very light blue for backgrounds */
    
    --color-success: #2ecc71;          /* Green for success states */
    --color-error: #e0609a;            /* Pink for errors */
    --color-warning: #f5a623;          /* Orange for warnings */
    --color-info: #1bb8e5;             /* Blue for info */
    
    --color-text: #1c2732;
    --color-text-light: #505757;
    --color-text-muted: #798687;
    
    --color-bg: #FFFFFF;
    --color-bg-alt: #f4d4e0;           /* Very light pink tint */
    --color-bg-dark: #2C3E50;
    
    --color-border: #E1E8ED;
    --color-border-light: #F1F3F4;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.9rem;
    --font-size-4xl: 2.5rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Container widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1200px;
}


/* =============================================================================
   RESET & BASE
   ============================================================================= */

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--spacing-md);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }

p {
    margin: 0 0 var(--spacing-md);
}

/* =============================================================================
   LAYOUT
   ============================================================================= */

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-narrow {
    max-width: var(--container-md);
}

.text-center {
    text-align: center;
}

/* =============================================================================
   HEADER
   ============================================================================= */

.site-header {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border-light);
    background: var(--color-bg);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    display: block;
    height: 48px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* =============================================================================
   BUTTONS
   ============================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.5;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: white;
}

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

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

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

.btn-accent:hover {
    background: #D68910;
    color: white;
}

.btn-text {
    background: transparent;
    color: var(--color-text-light);
    padding: var(--spacing-sm);
}

.btn-text:hover {
    color: var(--color-text);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    font-size: 1.2em;
}

.price-tag {
    margin-left: var(--spacing-sm);
    padding: 2px 8px;
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

/* =============================================================================
   FORMS
   ============================================================================= */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text);
}

.form-label .required {
    color: var(--color-error);
}

.form-label .optional {
    color: var(--color-text-muted);
    font-weight: normal;
    font-size: var(--font-size-sm);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input-large {
    padding: var(--spacing-lg);
    font-size: var(--font-size-xl);
}

.form-input-small {
    width: auto;
    min-width: 100px;
}

.form-help {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-actions {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.form-note {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.form-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border-light);
}

.form-section h2 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.form-disclaimer {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-align: center;
}

textarea.form-input {
    min-height: 100px;
    resize: vertical;
}

select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237F8C8D' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input {
    margin-top: 4px;
}

/* =============================================================================
   STYLE OPTIONS (Radio Cards)
   ============================================================================= */

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

.style-option {
    cursor: pointer;
}

.style-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.style-card {
    display: block;
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.style-option input:checked + .style-card {
    border: 3px solid var(--color-primary);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15);
}

.style-option:hover .style-card {
    border-color: var(--color-primary);
}

.style-name {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.style-desc {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* =============================================================================
   COLOR OPTIONS
   ============================================================================= */

.color-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.color-option {
    cursor: pointer;
    text-align: center;
}

.color-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.color-preview {
    display: flex;
    gap: 2px;
    padding: 4px;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.color-option input:checked + .color-preview {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.color-swatch {
    display: block;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
}

.color-name {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* =============================================================================
   FILE UPLOAD
   ============================================================================= */

.file-upload-area {
    position: relative;
    padding: var(--spacing-2xl);
    background: var(--color-bg-alt);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.file-upload-area.dragover {
    border-color: var(--color-primary);
    background: rgba(231, 76, 60, 0.05);
}

.file-upload-area.has-error {
    border-color: var(--color-error);
    background: #FFF5F5;
}

.file-upload-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-error);
}

.file-upload-error .error-icon {
    font-size: 2rem;
}

.file-upload-error .error-text {
    font-weight: 500;
}

.file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.upload-icon {
    font-size: 2rem;
}

.upload-text {
    font-weight: 500;
}

.upload-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.file-preview {
    position: relative;
    display: inline-block;
}

.file-preview img {
    max-height: 200px;
    border-radius: var(--radius-md);
}

.remove-file {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    background: var(--color-error);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =============================================================================
   FLASH MESSAGES
   ============================================================================= */

.flash-messages {
    margin-bottom: var(--spacing-lg);
}

.flash {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.flash-success {
    background: #D5F5E3;
    color: #1E8449;
    border: 1px solid #A9DFBF;
}

.flash-error {
    background: #FADBD8;
    color: #922B21;
    border: 1px solid #F5B7B1;
}

.flash-info {
    background: #D6EAF8;
    color: #1A5276;
    border: 1px solid #AED6F1;
}

.flash-warning {
    background: #FCF3CF;
    color: #9A7D0A;
    border: 1px solid #F9E79F;
}

/* =============================================================================
   TEST MODE BANNER
   ============================================================================= */

.test-mode-banner {
    background: #FFF3CD;
    color: #856404;
    border-bottom: 2px solid #FFE69C;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-sm);
}

.test-mode-banner code {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: var(--font-size-xs);
}

/* =============================================================================
   DESIGNING OVERLAY
   ============================================================================= */

.designing-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #fdf5f8 0%, #fce8f0 50%, #e8f7fc 100%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.designing-overlay.active {
    opacity: 1;
    visibility: visible;
}

.designing-content {
    text-align: center;
    padding: var(--spacing-2xl);
    max-width: 400px;
}

.designing-animation {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-xl);
}

.designing-spinner {
    width: 120px;
    height: 120px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-right-color: var(--color-accent);
    border-radius: 50%;
    animation: designSpin 1.5s linear infinite;
}

.designing-sparkles {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    display: flex;
    gap: var(--spacing-xs);
}

.designing-sparkles span {
    animation: sparkle 2s ease-in-out infinite;
}

.designing-sparkles span:nth-child(2) {
    animation-delay: 0.3s;
    font-size: 2.5rem;
}

.designing-sparkles span:nth-child(3) {
    animation-delay: 0.6s;
}

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

@keyframes sparkle {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.7; }
}

.designing-content h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-text);
    margin: 0 0 var(--spacing-sm);
}

.designing-message {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin: 0 0 var(--spacing-xs);
}

.designing-time {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0 0 var(--spacing-xl);
}

.designing-progress {
    width: 100%;
    height: 4px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.designing-progress-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #f287b7, #4ad4ff);
    border-radius: var(--radius-full);
}

.designing-overlay.active .designing-progress-bar {
    animation: progressGrow 45s ease-out forwards;
}

@keyframes progressGrow {
    0% { width: 0; }
    10% { width: 15%; }
    30% { width: 35%; }
    50% { width: 55%; }
    70% { width: 75%; }
    90% { width: 90%; }
    100% { width: 95%; }
}

.designing-tips {
    min-height: 2em;
    text-align: center;
}

.designing-tips p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    opacity: 1;
    transition: opacity 0.5s ease-in-out;
    will-change: opacity;
}

/* =============================================================================
   TYPO CHECK DIALOG
   ============================================================================= */

.typo-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: var(--spacing-md);
}

.typo-dialog-overlay.active {
    opacity: 1;
    visibility: visible;
}

.typo-dialog {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 480px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.typo-dialog-overlay.active .typo-dialog {
    transform: translateY(0);
}

.typo-dialog h3 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.25rem;
}

.typo-dialog-message {
    color: var(--color-text-light);
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.5;
}

.typo-dialog-details {
    margin-bottom: var(--spacing-lg);
}

.typo-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-sm) 0;
}

.typo-list li {
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-border);
}

.typo-list li:last-child {
    border-bottom: none;
}

.typo-original {
    color: #E74C3C;
    text-decoration: line-through;
}

.typo-suggested {
    color: #27AE60;
    font-weight: 600;
}

.typo-corrected {
    margin: var(--spacing-sm) 0 0 0;
    padding: var(--spacing-sm);
    background: #f0faf4;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.typo-dialog-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.typo-dialog-actions .btn {
    min-width: 140px;
}

/* =============================================================================
   HERO SECTION
   ============================================================================= */

.hero {
    padding: 0;
    background: linear-gradient(135deg, #efbdff 0%, #9fe3ff 100%);
    overflow: hidden;
    position: relative;
}

.hero .container {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
}

.hero-content {
    padding: var(--spacing-3xl) 0;
    max-width: 480px;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.hero-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.hero-preview {
    display: contents;
}

.hero-image {
    position: absolute;
    top: 0;
    left: calc(max(var(--spacing-lg), (100% - var(--container-xl)) / 2 + var(--spacing-lg)) + 480px + var(--spacing-xl) - 150px);
    height: 100%;
    width: auto;
    display: block;
}

/* =============================================================================
   HOW IT WORKS
   ============================================================================= */

.how-it-works {
    padding: var(--spacing-3xl) 0;
}

.how-it-works h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.step {
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    font-size: var(--font-size-xl);
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.step h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.step p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* =============================================================================
   FEATURES
   ============================================================================= */

.features {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.feature {
    text-align: center;
    padding: var(--spacing-xl);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.feature p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* =============================================================================
   CTA SECTION
   ============================================================================= */

.cta-section {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    background: #d0f4ff;
    color: var(--color-text);
}

.cta-section h2 {
    font-size: var(--font-size-3xl);
    color: var(--color-text);
}

.cta-section p {
    font-size: var(--font-size-xl);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

/* =============================================================================
   CREATE PAGE
   ============================================================================= */

.create-page {
    padding: var(--spacing-2xl) 0;
}

.page-header {
    margin-bottom: var(--spacing-2xl);
}

.page-header h1 {
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
}

/* =============================================================================
   INFO BOX
   ============================================================================= */

.info-box {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.info-box p {
    margin: 0;
    line-height: 1.6;
}

.info-box-highlight {
    background: #FFF9E6;
    border-color: #F0D78C;
}

/* =============================================================================
   PREVIEW PAGE
   ============================================================================= */

.preview-page {
    padding: var(--spacing-2xl) 0;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.preview-option {
    cursor: pointer;
}

.preview-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.preview-card {
    position: relative;
    background: var(--color-bg);
    border: 3px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.preview-option input:checked + .preview-card,
.preview-option.selected .preview-card {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.preview-card img {
    width: 100%;
    display: block;
}

.preview-overlay {
    position: absolute;
    inset: 0;
    background: rgba(231, 76, 60, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.preview-option input:checked + .preview-card .preview-overlay,
.preview-option.selected .preview-card .preview-overlay {
    opacity: 1;
}

.preview-check {
    font-size: 3rem;
    color: white;
}

.option-number {
    position: absolute;
    bottom: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 4px 12px;
    background: rgba(0,0,0,0.6);
    color: white;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
}

.preview-actions {
    text-align: center;
}

.preview-actions .btn-text {
    display: block;
    margin-top: var(--spacing-md);
}

/* Waiting State */
.waiting-state {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.waiting-content {
    max-width: 400px;
    margin: 0 auto;
}

.spinner-large {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-xl);
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.waiting-note {
    color: var(--color-text-muted);
}

/* Error State */
.error-state {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

/* =============================================================================
   SHARE PAGE
   ============================================================================= */

.share-page {
    padding: var(--spacing-2xl) 0;
}

.share-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.share-preview {
    position: sticky;
    top: var(--spacing-lg);
}

.card-display {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: inline-block;
}

.card-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.share-options h1 {
    margin-bottom: var(--spacing-sm);
}

.share-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
}

.share-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border-light);
}

.share-section h2 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.share-section-highlight {
    background: var(--color-bg-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border-bottom: none;
}

/* Share Page Tabs */
.share-tabs {
    margin-top: var(--spacing-lg);
}

.tab-buttons {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
    background: var(--color-bg-alt);
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    color: var(--color-text);
}

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Print CTA in Share Tab */
.print-cta {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
}

.print-cta-header h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.print-cta-header p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.print-features-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-xl) 0;
    text-align: left;
    display: inline-block;
}

.print-features-list li {
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-md);
    color: var(--color-text);
}

.print-features-list li::before {
    content: '';
}

.print-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.print-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.feature-icon {
    font-size: var(--font-size-lg);
}

.print-order-btn {
    font-size: var(--font-size-lg) !important;
    padding: var(--spacing-lg) var(--spacing-2xl) !important;
}

.print-note {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Promotional pricing */
.price-original {
    position: relative;
    display: inline-block;
    text-decoration: none;
    color: var(--color-text-muted);
    font-weight: 700;
    margin-right: 0.25em;
}

.price-original::after {
    content: '';
    position: absolute;
    left: -2px;
    right: -2px;
    top: 50%;
    height: 0;
    border-top: 2px solid var(--color-text-muted);
    transform: rotate(-12deg);
}

/* Override for price-original inside buttons (white text on colored bg) */
.btn .price-original {
    color: rgba(255, 255, 255, 0.7);
}

.btn .price-original::after {
    border-top-color: #fff;
}

.summary-promo {
    color: #16a34a;
    font-weight: 600;
}

.promo-amount {
    color: #16a34a;
}

.promo-badge {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: #16a34a;
}

.email-form .form-group {
    margin-bottom: var(--spacing-md);
}

.social-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.social-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: white;
}

.social-facebook { background: #1877F2; }
.social-twitter { background: #1DA1F2; }
.social-whatsapp { background: #25D366; }
.social-sms { background: #34C759; }

/* Hide SMS button on desktop, show only on mobile */
.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .mobile-only {
        display: inline-block;
    }
}

.social-btn:hover {
    opacity: 0.9;
    color: white;
}

.share-link {
    display: flex;
    gap: var(--spacing-sm);
}

.share-link .form-input {
    flex: 1;
    font-size: var(--font-size-sm);
}

.share-footer {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-border-light);
}

/* =============================================================================
   PRINT PAGE
   ============================================================================= */

.print-page {
    padding: var(--spacing-2xl) 0;
}

.print-layout {
    /* display: grid; */
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.print-preview {
    position: static;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.print-preview-image {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.print-preview-caption {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.order-summary {
    background: #fff;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.summary-total {
    border-top: 2px solid var(--color-border);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-md);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.payment-placeholder {
    background: #FFF3CD;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid #FFECB5;
}

.payment-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.print-back {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.payment-info {
    text-align: center;
    margin-top: var(--spacing-md);
}

/* Success State */
.success-state {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.success-details {
    background: var(--color-bg-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
}

.success-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* =============================================================================
   FAQ PAGE
   ============================================================================= */

.faq-section {
    padding: var(--spacing-2xl) 0 var(--spacing-2xl);
}

.faq-section h1 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.faq-item[open] {
    border-color: var(--color-primary-light);
}

.faq-question {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-weight: 600;
    font-size: var(--font-size-lg);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    font-size: var(--font-size-xl);
    font-weight: 300;
    color: var(--color-text-muted);
    transition: transform 0.2s ease;
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

.faq-item[open] .faq-question::after {
    content: '−';
    color: var(--color-primary);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-answer {
    padding: 0 var(--spacing-xl) var(--spacing-lg);
    color: var(--color-text-light);
    line-height: 1.7;
}

.faq-answer a {
    color: var(--color-primary);
}

.faq-answer a:hover {
    color: var(--color-primary-dark);
}

/* =============================================================================
   FOOTER
   ============================================================================= */

.site-footer {
    padding: var(--spacing-2xl) 0;
    background: #d0f4ff;
    color: var(--color-text);
}

.site-footer a {
    color: var(--color-text);
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand img {
    height: 48px;
    width: auto;
}

.footer-brand p {
    margin-top: var(--spacing-md);
    color: var(--color-text-light);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(0,0,0,0.1);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.site-footer-minimal {
    padding: var(--spacing-lg) 0;
    text-align: center;
}

/* =============================================================================
   SPINNER
   ============================================================================= */

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

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

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

@media (max-width: 1024px) {
    /* Hero: scale proportionally with viewport width (768-1024px) */
    .hero .container {
        min-height: 40vw; /* shorter than desktop ratio to avoid gap */
    }

    .hero-content {
        max-width: 38vw; /* narrower to give image more room */
        padding: 4vw 0;
    }

    .hero-content h1 {
        font-size: 3vw;
    }

    .hero-subtitle {
        font-size: 1.7vw;
    }

    .hero-image {
        left: auto;
        right: -18vw; /* push further right to clear text */
        top: auto;
        bottom: 0; /* anchor to bottom so no gap appears */
        height: 100%; /* fill full container height */
        width: auto;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .share-layout {
        grid-template-columns: 1fr;
    }
    
    .share-preview {
        position: static;
        max-width: 400px;
        margin: 0 auto var(--spacing-2xl);
    }
    
    .print-layout {
        grid-template-columns: 1fr;
    }
    
    .print-preview {
        position: static;
        max-width: 320px;
        margin: 0 auto var(--spacing-xl);
    }
    
    .print-preview-image {
        width: 100%;
        height: auto;
    }
}

@media (max-width: 768px) {
    /* Hero: stacked layout — preview on top, content below */
    .hero {
        background: transparent;
        display: flex;
        flex-direction: column;
    }

    .hero .container {
        min-height: auto;
        display: block;
        order: 1;
    }

    .hero-preview {
        display: block;
        order: 0;
        background: linear-gradient(135deg, #efbdff 0%, #9fe3ff 100%);
        text-align: center;
        overflow: hidden;
    }

    .hero-image {
        position: static;
        width: 100%;
        max-width: 400px;
        height: auto;
        margin: 0 auto;
        display: block;
    }

    .hero-content {
        max-width: none;
        padding: var(--spacing-xl) var(--spacing-lg);
        text-align: center;
    }

    .hero-content h1 {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-cta {
        align-items: center;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-image {
        width: 240px;
        height: 168px;
    }
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .social-buttons {
        flex-wrap: wrap;
    }
    
    .success-actions {
        flex-direction: column;
    }
    
    /* Share page tabs mobile */
    .tab-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-xs);
    }
    
    .print-cta {
        padding: var(--spacing-xl);
    }
    
    .print-features {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
    }
    
    .print-order-btn {
        font-size: var(--font-size-base) !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .style-options {
        grid-template-columns: 1fr;
    }
}

.feature-image {
    display: block;
    margin: 0 auto;
    width: 200px;
    height: 140px;
    object-fit: contain;
    margin-bottom: .5rem;
}