/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --background: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header and Navigation */
header {
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    padding: 1rem 0;
}

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

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

/* Main Content */
main {
    min-height: calc(100vh - 180px);
    padding: 2rem 0;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero .subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Applications Grid */
.applications {
    margin: 3rem 0;
}

.applications h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.app-description {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.app-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.app-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* App Store Badges */
.app-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin: 3rem auto;
    max-width: 600px;
}

.badge-link {
    display: inline-block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.badge-link:hover {
    transform: translateY(-4px);
    opacity: 0.9;
}

.store-badge {
    height: 60px;
    width: auto;
    display: block;
}

/* Legacy App Store Grid (kept for compatibility) */
.app-store-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.app-store-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.app-store-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.store-icon {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.app-store-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.app-store-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.app-store-card .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 280px;
}

.app-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.app-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Info Section */
.info {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    margin: 2rem 0;
}

.info h2 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.info ul {
    list-style-position: inside;
    color: var(--text-secondary);
}

.info li {
    margin: 0.5rem 0;
}

/* Content Pages */
.content-page {
    background: white;
    padding: 3rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    max-width: 900px;
    margin: 0 auto;
}

.content-page h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.content-page h2 {
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.content-page h3 {
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.content-page p {
    margin: 1rem 0;
    color: var(--text-secondary);
}

.content-page ul {
    margin: 1rem 0;
    padding-left: 2rem;
    color: var(--text-secondary);
}

.content-page li {
    margin: 0.5rem 0;
}

.last-updated {
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Info and Action Boxes */
.info-box,
.action-box {
    background: #f1f5f9;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
    border-left: 4px solid var(--primary-color);
}

.action-box {
    background: #dbeafe;
    border-left-color: var(--primary-color);
}

.info-box h3,
.action-box p strong {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Forms */
.form-container {
    margin: 2rem 0;
}

.deletion-form {
    margin-top: 1.5rem;
}

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

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

.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
    background-color: white;
}

.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group select {
    cursor: pointer;
    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='%23666' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.3s;
}

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

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

.btn-secondary {
    background: var(--secondary-color);
    margin-left: 1rem;
}

.btn-secondary:hover {
    background: #475569;
}

/* Success Page */
.success-page {
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--success-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 1.5rem;
}

.success-message {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.action-buttons {
    margin: 2rem 0;
}

.help-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.help-section h3 {
    margin-bottom: 1rem;
}

/* Error Page */
.error-page {
    text-align: center;
    padding: 4rem 2rem;
}

.error-page h1 {
    font-size: 6rem;
    color: var(--primary-color);
}

.error-page h2 {
    font-size: 2rem;
    margin: 1rem 0;
}

.error-page p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

/* Footer */
footer {
    background: white;
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
}

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

footer p {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero .subtitle {
        font-size: 1rem;
    }

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

    .app-badges {
        flex-direction: column;
        gap: 1.5rem;
    }

    .store-badge {
        height: 50px;
    }

    .content-page {
        padding: 1.5rem;
    }

    footer .container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .btn-secondary {
        margin-left: 0;
        margin-top: 0.5rem;
    }
}