/* App Page Styles - Matches main site theme */
:root {
    --bg-color: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.5);
    --border-color: #334155;

    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: 1px solid rgba(148, 163, 184, 0.1);

    --font-main: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-color: #f8fafc;
    --bg-secondary: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --accent-color: #0284c7;
    --accent-glow: rgba(2, 132, 199, 0.3);
    --border-color: #e2e8f0;
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-border: 1px solid rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.5s ease;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    backdrop-filter: blur(10px);
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.8);
}

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

.nav-logo a {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-decoration: none;
    letter-spacing: -1px;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    padding: 0.5rem;
}

.theme-toggle:hover {
    color: var(--accent-color);
    transform: rotate(15deg);
}

/* Main Content */
main {
    flex: 1;
    padding-top: 80px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.page-header .subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.page-header .description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-color), #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Content Cards */
.content-card {
    background: var(--card-bg);
    border: var(--card-border);
    backdrop-filter: blur(5px);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.content-card:hover {
    border-color: var(--accent-color);
}

.content-card h2,
.content-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.content-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.content-card p:last-child {
    margin-bottom: 0;
}

/* Feature Lists */
.features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.features li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
}

.features li strong,
.features li b {
    color: var(--text-primary);
}

/* Highlight Box */
.highlight-box {
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.highlight-box.accent {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.15) 0%, rgba(129, 140, 248, 0.15) 100%);
}

.highlight-box p {
    color: var(--text-primary);
    margin: 0;
}

/* Notice Box */
.notice-box {
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.notice-box p {
    color: var(--text-primary);
    margin: 0;
}

/* Command/Code Examples */
.command-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
}

.command-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-color);
    text-align: center;
}

/* Pricing Box */
.pricing-box {
    background: linear-gradient(135deg, var(--accent-color) 0%, #818cf8 100%);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: white;
}

.pricing-box h3 {
    color: white;
    margin-bottom: 0.5rem;
}

.pricing-box p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

/* Support Page Form */
.support-form {
    background: var(--card-bg);
    border: var(--card-border);
    backdrop-filter: blur(5px);
    border-radius: 12px;
    padding: 2rem;
}

.support-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.support-form input,
.support-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.support-form input:focus,
.support-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.support-form textarea {
    min-height: 150px;
    resize: vertical;
}

.support-form button {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 14px 0 var(--accent-glow);
}

.support-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 var(--accent-glow);
}

.contact-email {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.contact-email a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-email a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer-social {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.footer-social a {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: var(--transition);
    text-decoration: none;
}

.footer-social a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* App Icon */
.app-icon {
    width: 120px;
    height: 120px;
    border-radius: 22%;
    margin-bottom: 1.25rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.app-icon-small {
    width: 80px;
    height: 80px;
    border-radius: 22%;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
}

/* Screenshots Section */
.screenshots-section {
    margin: 2rem 0 2.5rem 0;
}

.screenshots-section h3 {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

/* Carousel Container */
.screenshots-carousel {
    position: relative;
    display: flex;
    align-items: center;
}

/* Scrollable Track */
.screenshots-track {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    align-items: flex-start;
    -ms-overflow-style: none;
    scrollbar-width: none;
    padding: 0.5rem 0;
}

.screenshots-track::-webkit-scrollbar {
    display: none;
}

/* Screenshot Items - 4 visible on desktop */
.screenshot-item {
    flex: 0 0 calc(25% - 0.75rem);
    scroll-snap-align: start;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    transition: var(--transition);
}

.screenshot-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-color);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
    /* Start visible as fallback, JS adds fade-in enhancement */
    opacity: 1;
}

/* Fade-in animation when JS is working */
.screenshot-item img.loading {
    opacity: 0;
    transform: translateY(10px);
}

.screenshot-item img.loaded {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Navigation Arrows */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-nav:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.carousel-nav:disabled {
    opacity: 0.3;
    cursor: default;
    pointer-events: none;
}

.carousel-prev {
    left: -20px;
}

.carousel-next {
    right: -20px;
}

/* Download Button Section */
.download-section {
    text-align: center;
    margin: 2rem 0;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: #000;
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid #333;
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: #1a1a1a;
}

.download-button i {
    font-size: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 2rem 1rem;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

    .page-header .subtitle {
        font-size: 1rem;
    }

    .content-card {
        padding: 1.5rem;
    }

    .command-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .app-icon {
        width: 100px;
        height: 100px;
    }

    /* Mobile: 2 screenshots visible */
    .screenshot-item {
        flex: 0 0 calc(50% - 0.5rem);
    }

    /* Smaller nav buttons on mobile */
    .carousel-nav {
        width: 32px;
        height: 32px;
    }

    .carousel-prev {
        left: -16px;
    }

    .carousel-next {
        right: -16px;
    }
}