/* Developer Portfolio & AdMob Compliance Theme */
:root {
    --bg-body: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #ffffff;
    --bg-muted: #f1f5f9;
    --border-color: #e2e8f0;
    --border-color-hover: #cbd5e1;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --brand-primary: #2563eb;
    --brand-primary-hover: #1d4ed8;
    --brand-primary-light: #eff6ff;
    --brand-primary-border: #bfdbfe;
    --badge-android: #16a34a;
    --badge-ios: #0284c7;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
}

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
}

/* Headings & Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    color: var(--brand-primary);
    text-decoration: none;
    transition: color 0.15s ease-in-out;
}

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

/* Navigation Bar */
.navbar-custom {
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 0.85rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary) !important;
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 0.85rem !important;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--brand-primary) !important;
    background-color: var(--brand-primary-light);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 4.5rem 0 4rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: var(--brand-primary-light);
    color: var(--brand-primary);
    border: 1px solid var(--brand-primary-border);
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    font-size: 0.825rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
}

.hero-lead {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 680px;
    margin-bottom: 2rem;
}

/* App Cards */
.app-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.app-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-color-hover);
}

.app-card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
}

.app-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    object-fit: cover;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.1);
    background-color: var(--bg-muted);
}

.app-icon-lg {
    width: 96px;
    height: 96px;
    border-radius: 22px;
    object-fit: cover;
    box-shadow: var(--shadow-md);
    background-color: var(--bg-muted);
}

.app-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.app-card-desc {
    color: var(--text-secondary);
    font-size: 0.925rem;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.app-card-footer {
    padding: 1rem 1.5rem;
    background-color: #fafbfd;
    border-top: 1px solid var(--border-color);
}

/* Badges */
.badge-category {
    background-color: var(--bg-muted);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.775rem;
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
}

.badge-platform {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.badge-android {
    background-color: #ecfdf5;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.badge-ios {
    background-color: #f0f9ff;
    color: #0369a1;
    border: 1px solid #bae6fd;
}

/* Buttons */
.btn-primary {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
    font-weight: 600;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-sm);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--brand-primary-hover);
    border-color: var(--brand-primary-hover);
}

.btn-store {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    padding: 0.55rem 1.15rem;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.btn-store-android {
    background-color: #0f172a;
    color: #ffffff;
    border: 1px solid #0f172a;
}

.btn-store-android:hover {
    background-color: #1e293b;
    color: #ffffff;
}

.btn-store-ios {
    background-color: #0f172a;
    color: #ffffff;
    border: 1px solid #0f172a;
}

.btn-store-ios:hover {
    background-color: #1e293b;
    color: #ffffff;
}

/* Screenshots Gallery */
.screenshot-scroller {
    display: flex;
    gap: 1.25rem;
    overflow-x: auto;
    padding-bottom: 1rem;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.screenshot-item {
    flex: 0 0 auto;
    width: 240px;
    scroll-snap-align: start;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    background-color: #ffffff;
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* Content & Legal Typography */
.legal-content {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
}

.legal-content h2 {
    font-size: 1.45rem;
    margin-top: 2rem;
    margin-bottom: 0.85rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.4rem;
}

.legal-content h3 {
    font-size: 1.2rem;
    margin-top: 1.5rem;
    margin-bottom: 0.65rem;
}

.legal-content p, .legal-content li {
    color: var(--text-secondary);
    font-size: 0.975rem;
    line-height: 1.7;
}

.legal-content ul, .legal-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

/* AdMob / Verification Box */
.compliance-box {
    background-color: #f8fafc;
    border-left: 4px solid var(--brand-primary);
    padding: 1.25rem 1.5rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 1.5rem 0;
}

/* Footer */
.footer-custom {
    background-color: #0f172a;
    color: #94a3b8;
    padding: 3.5rem 0 2rem;
    border-top: 1px solid #1e293b;
    margin-top: 4rem;
}

.footer-custom a {
    color: #cbd5e1;
}

.footer-custom a:hover {
    color: #ffffff;
}

.footer-custom .footer-heading {
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.15rem;
}

/* Admin Dashboard Specific */
.admin-sidebar {
    background-color: #0f172a;
    color: #cbd5e1;
    min-height: 100vh;
}

.admin-sidebar .nav-link {
    color: #94a3b8 !important;
    padding: 0.65rem 1rem !important;
    margin-bottom: 0.2rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-sidebar .nav-link:hover, .admin-sidebar .nav-link.active {
    color: #ffffff !important;
    background-color: #1e293b;
}

.admin-stat-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.admin-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.admin-stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Flash Messages */
.alert {
    border-radius: var(--radius-md);
    border: none;
    box-shadow: var(--shadow-sm);
}