/* Apple Style Design for Rotate Image */

/* CSS Variables - Apple Design System */
:root {
    /* Apple Color Palette */
    --primary-color: #007AFF;
    --secondary-color: #5856D6;
    --success-color: #34C759;
    --warning-color: #FF9500;
    --error-color: #FF3B30;
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F7;
    --bg-tertiary: #E5E5E7;
    --border-color: #D2D2D7;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-heavy: rgba(0, 0, 0, 0.2);
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "kern" 1;
    font-kerning: normal;
    letter-spacing: -0.016em;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.024em;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); font-weight: 700; }
h2 { font-size: var(--font-size-4xl); font-weight: 600; }
h3 { font-size: var(--font-size-2xl); font-weight: 600; }
h4 { font-size: var(--font-size-xl); font-weight: 600; }

p {
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(100%);
    transition: transform var(--transition-fast);
}

.btn:active::before {
    transform: translateY(0);
}

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

.btn-primary:hover {
    background: #0051D5;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

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

.btn-secondary:hover {
    background: #4341A5;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

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

.btn-success:hover {
    background: #28A746;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 2px 8px var(--shadow-light);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.card:hover {
    box-shadow: 0 8px 24px var(--shadow-medium);
    transform: translateY(-2px);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
header {
    background: var(--bg-primary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all var(--transition-normal);
}

header.scrolled {
    box-shadow: 0 2px 16px var(--shadow-light);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.hero h1 {
    font-size: var(--font-size-6xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
    position: relative;
    z-index: 1;
    color: rgba(255, 255, 255, 0.9);
}

.cta-button {
    background: white;
    color: var(--primary-color);
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.cta-button:active {
    transform: translateY(0);
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-3xl);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow-light);
}

.upload-area:hover::before {
    opacity: 0.05;
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(0, 122, 255, 0.05);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 3rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
}

.upload-area:hover .upload-icon {
    color: var(--primary-color);
    transform: scale(1.1);
}

/* Image Editor */
.image-editor {
    display: none;
    margin-top: var(--spacing-xl);
}

.image-editor.active {
    display: block;
    animation: fadeInUp var(--transition-slow) ease-out;
}

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

.canvas-container {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-primary);
    box-shadow: 0 4px 16px var(--shadow-light);
    transition: all var(--transition-normal);
}

.canvas-container:hover {
    box-shadow: 0 8px 32px var(--shadow-medium);
}

#imageCanvas {
    max-width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-normal);
}

/* Rotation Controls */
.controls {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px var(--shadow-light);
    border: 1px solid var(--border-color);
}

.rotation-display {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.rotation-angle {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: -0.02em;
}

.control-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.control-button {
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    position: relative;
    overflow: hidden;
}

.control-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(100%);
    transition: transform var(--transition-fast);
}

.control-button:active::before {
    transform: translateY(0);
}

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

.control-button.primary:hover {
    background: #0051D5;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.control-button.secondary {
    background: var(--secondary-color);
    color: white;
}

.control-button.secondary:hover {
    background: #4341A5;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.control-button.success {
    background: var(--success-color);
    color: white;
}

.control-button.success:hover {
    background: #28A746;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.control-button.warning {
    background: var(--warning-color);
    color: white;
}

.control-button.warning:hover {
    background: #E67E00;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.control-button.full {
    grid-column: 1 / -1;
}

/* Sections */
.section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: var(--font-size-4xl);
    font-weight: 600;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-primary);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

/* Steps */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.step {
    text-align: center;
    transition: transform var(--transition-normal);
}

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

.step-number {
    width: 4rem;
    height: 4rem;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: bold;
    margin: 0 auto var(--spacing-md);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

/* Testimonials */
.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

/* FAQ */
.faq {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px var(--shadow-light);
    overflow: hidden;
}

.faq-item {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-fast);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item:hover {
    background: var(--bg-secondary);
}

/* Pricing */
.pricing {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.pricing-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 4px 16px var(--shadow-light);
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px var(--shadow-heavy);
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
}

/* Footer */
footer {
    background: #111827;
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-xl);
    text-align: center;
    color: #9ca3af;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-links a {
    color: #9ca3af;
    font-size: var(--font-size-lg);
    transition: color var(--transition-fast);
}

.social-links a:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: var(--font-size-4xl);
    }
    
    .hero p {
        font-size: var(--font-size-lg);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .control-buttons {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .testimonials {
        grid-template-columns: 1fr;
    }
    
    .pricing {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .upload-area {
        padding: var(--spacing-xl);
    }
}

/* RTL Support */
[dir="rtl"] .control-button {
    direction: rtl;
}

[dir="rtl"] .logo {
    direction: rtl;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: var(--spacing-xl) auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Toast Notification */
.toast {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    background: var(--success-color);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px var(--shadow-medium);
    z-index: 1000;
    opacity: 0;
    transform: translateX(100%);
    transition: all var(--transition-normal);
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast.error {
    background: var(--error-color);
}

.toast.warning {
    background: var(--warning-color);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-4 { margin-bottom: var(--spacing-md); }
.mb-8 { margin-bottom: var(--spacing-xl); }
.hidden { display: none; }
.visible { display: block; }

/* Print Styles */
@media print {
    .hero,
    .upload-area,
    .controls,
    footer {
        display: none;
    }
    
    .card,
    .section {
        break-inside: avoid;
    }
}