/* ==========================================================================
   MANDEL LABS - AUXILIARY PAGES STYLING (pages.css)
   Refined, Calm, Modern & Consistent with Portfolio System
   ========================================================================== */

:root {
    --bg-dark: #080c17;
    --bg-surface: rgba(15, 23, 42, 0.72);
    --bg-surface-hover: rgba(26, 38, 66, 0.85);
    --bg-card: rgba(15, 23, 42, 0.68);
    --bg-glass: rgba(13, 20, 38, 0.9);
    
    --border-subtle: rgba(255, 255, 255, 0.07);
    --border-glass: rgba(148, 163, 184, 0.18);
    --border-hover: rgba(56, 189, 248, 0.45);
    
    --accent-cyan: #38bdf8;
    --accent-indigo: #818cf8;
    --accent-purple: #a855f7;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    
    --gradient-brand: linear-gradient(135deg, #38bdf8 0%, #6366f1 50%, #a855f7 100%);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --font-sans: 'Plus Jakarta Sans', 'Outfit', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-full: 9999px;

    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.65);
}

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

html {
    scroll-behavior: smooth;
    color-scheme: dark;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.65;
    min-height: 100vh;
    padding: 1.5rem;
    background-image: 
        radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.06) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.06) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(15, 23, 42, 0.4) 0px, transparent 100%);
    background-attachment: fixed;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: #7dd3fc;
}

/* Page wrapper container */
.page {
    width: min(940px, 100%);
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 2.75rem;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

/* Top Navigation Bar */
.top-nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-subtle);
    flex-wrap: wrap;
    gap: 1rem;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

.brand-icon-sm {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--gradient-brand);
    display: grid;
    place-items: center;
    color: #070a13;
    font-weight: 800;
    font-size: 0.9rem;
}

.nav-pill-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nav-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.42rem 0.9rem;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.86rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.nav-pill:hover, .nav-pill.active {
    background: rgba(56, 189, 248, 0.15);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.page-header {
    margin-bottom: 2.25rem;
}

.page-header.hero {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 1.75rem;
    align-items: center;
}

.hero-app-icon {
    width: 100px;
    height: 100px;
    border-radius: 24px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-md);
}

h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.7rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 0.4rem;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.tagline {
    font-size: 1.15rem;
    color: var(--accent-cyan);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

section {
    margin-top: 2rem;
}

h2 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: #e2e8f0;
    margin-top: 1.25rem;
    margin-bottom: 0.4rem;
}

p {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.7;
    margin-bottom: 0.85rem;
}

ul, ol {
    margin: 0.6rem 0 1.2rem 1.4rem;
    color: var(--text-secondary);
}

li {
    margin-bottom: 0.4rem;
    line-height: 1.6;
}

/* ==========================================================================
   Apps Grid on /apps
   ========================================================================== */

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.75rem;
    margin-top: 1.5rem;
}

.app-card {
    background: rgba(13, 20, 38, 0.75);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    position: relative;
}

.app-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.app-card-header {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.app-card-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    flex-shrink: 0;
}

.app-card h2 {
    font-size: 1.3rem;
    margin-bottom: 0.2rem;
    margin-top: 0;
}

.app-card-tagline {
    font-size: 0.88rem;
    color: var(--accent-cyan);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.app-card p {
    font-size: 0.94rem;
    flex-grow: 1;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.app-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: auto;
    flex-wrap: wrap;
}

.btn-app-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.65rem 1.25rem;
    background: var(--gradient-brand);
    color: #070a13;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.btn-app-primary:hover {
    color: #070a13;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
    transform: translateY(-1px);
}

.btn-app-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.65rem 1.15rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-app-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--border-hover);
    color: var(--accent-cyan);
}

.btn-app-secondary i {
    margin-right: 0.25rem;
}

/* Site Footer */
.site-footer-nav {
    margin-top: 3.5rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.back-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

@media (max-width: 640px) {
    .page {
        padding: 1.5rem;
    }

    .page-header.hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-app-icon {
        margin: 0 auto;
    }

    .top-nav-bar {
        flex-direction: column;
        align-items: flex-start;
    }
}