/* Core Variables */
:root {
    --obsidian: #080808;
    --pure-white: #FFFFFF;
    --silver-text: #E2E8F0;
    --silver-gradient: linear-gradient(135deg, #F8FAFC 0%, #94A3B8 100%);
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(24px);
    
    --font-serif: 'DM Serif Display', serif;
    --font-mono: 'Geist Mono', monospace;
    --font-sans: 'Inter', sans-serif;
    
    --fluid-width: 92vw;
    --transition-curve: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--obsidian);
    color: var(--silver-text);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Noise Overlay */
.noise-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 9999;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.05;
}

/* Display Utilities */
.desktop-only { display: none; }
@media (min-width: 768px) {
    .desktop-only { display: flex; }
    .mobile-only { display: none; }
}

.mt-4 { margin-top: 1rem; }
.mt-16 { margin-top: 4rem; }
.mt-32 { margin-top: 8rem; }
.p-4 { padding: 1rem; }
.text-sm { font-size: 0.875rem; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* Navigation */
.nav-container {
    width: var(--fluid-width);
    margin: 0 auto;
    padding: 32px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.2em;
    color: var(--pure-white);
}

.nav-links {
    gap: 16px;
    align-items: center;
}

.nav-links a {
    color: var(--silver-text);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    padding: 8px 16px;
    border: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    transition: all 0.3s var(--transition-curve);
}
.nav-links a:hover {
    background: rgba(255,255,255,0.1);
}

.nav-btn {
    background: var(--pure-white);
    color: var(--obsidian);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    padding: 8px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

/* Fluid Container */
.fluid-container {
    width: var(--fluid-width);
    margin: 0 auto;
    padding-bottom: 8rem;
}

/* Hero Section */
.glass-container {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    padding: 4rem 2rem;
    text-align: center;
    transition: all 0.8s var(--transition-curve);
}
@media (min-width: 1024px) {
    .glass-container {
        border-radius: 4rem;
        padding: 8rem 4rem;
    }
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(42px, 10vw, 140px);
    font-style: italic;
    font-weight: 400;
    line-height: 0.85;
    letter-spacing: -0.04em;
    color: var(--pure-white);
    margin-bottom: 3rem;
}

.hero-title span {
    background: var(--silver-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.metadata-bar {
    display: flex;
    justify-content: center;
    gap: 3rem;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: rgba(226, 232, 240, 0.4);
}
.metadata-bar span {
    color: var(--pure-white);
    font-size: 13px;
    font-weight: 600;
}
@media (min-width: 768px) {
    .metadata-bar { gap: 8rem; }
}

/* Forms & Buttons */
.capture-form {
    max-width: 42rem;
    margin: 4rem auto 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.silver-btn {
    background: var(--silver-gradient);
    color: var(--obsidian);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 1rem 3rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.4s var(--transition-curve);
}
.silver-btn:hover {
    transform: translateY(-2px);
    /* No standard shadow as per spec, simulating lift via border / backdrop trick or minimal pseudo shadow allowed if strictly needed for 'lift'. Spec says: `box-shadow: 0 0 20px rgba(255,255,255,0.15)`. I will use that since spec explicitly asked for it on buttons */
    box-shadow: 0 0 20px rgba(255,255,255,0.15);
}

.mono-label {
    font-family: var(--font-mono);
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 768px) { .bento-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; } }
@media (min-width: 1024px) { .bento-grid { grid-template-columns: repeat(3, 1fr); } }

.bento-card {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.4s var(--transition-curve);
}
.bento-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.full-span { grid-column: 1 / -1; }
.col-span-2 { grid-column: span 2; }
@media (max-width: 1023px) { .col-span-2 { grid-column: 1 / -1; } }

.card-idx {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 2rem;
}

.card-title {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-style: italic;
    color: var(--pure-white);
    line-height: 1;
    margin-bottom: 1.5rem;
}

.body-text, .terminal-feed {
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--silver-text);
    opacity: 0.9;
}

/* Query Section Refinements */
.query-container {
    display: flex;
    gap: 0;
    align-items: stretch;
    max-width: 100%;
    margin-top: 1rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.query-container:focus-within {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.06);
}

.query-input-area {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--pure-white);
    padding: 1rem 1.5rem;
    min-height: 56px;
    max-height: 300px;
    resize: none;
    font-size: 15px;
    line-height: 1.5;
}

.query-input-area:focus {
    outline: none;
}

#query-btn {
    border-radius: 0;
    padding: 0 2.5rem;
    height: auto;
    border-left: 1px solid var(--glass-border);
}

.query-response {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    border-left: 2px solid var(--pure-white);
    margin-top: 1.5rem;
    max-width: 100%;
    animation: fadeIn 0.5s ease forwards;
}

.query-response strong {
    color: var(--pure-white);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    margin-right: 8px;
}

/* Data Table Grid */
.data-grid-row {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.data-grid-header {
    font-weight: 600;
    opacity: 0.5;
    letter-spacing: 0.1em;
    font-size: 10px;
    text-transform: uppercase;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Terminal Feed */
.terminal-feed {
    font-family: var(--font-mono);
    max-height: 300px;
    overflow-y: auto;
    font-size: 12px;
    background: rgba(0,0,0,0.5);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}
.log-entry {
    margin-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 0.5rem;
    opacity: 0;
    transform: translateY(10px);
    animation: slideUp 0.8s var(--transition-curve) forwards;
}
.log-error { color: #ff5555; }
.log-success { color: #55ff55; }
.log-warning { color: #ffff55; }

@keyframes slideUp {
    to { opacity: 1; transform: translateY(0); }
}

/* Markdown Elements */
#markdown-content h1, #markdown-content h2, #markdown-content h3 {
    font-family: var(--font-serif);
    font-style: italic;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--pure-white);
}
#markdown-content p { margin-bottom: 1rem; }
#markdown-content ul { margin-left: 2rem; margin-bottom: 1rem; }
#markdown-content code {
    font-family: var(--font-mono);
    background: rgba(255,255,255,0.1);
    padding: 2px 4px;
    border-radius: 4px;
}

/* Mobile Nav Pill */
.mobile-nav-pill {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(8,8,8,0.85);
    backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 24px;
    z-index: 50;
    font-family: var(--font-mono);
    font-size: 14px;
}

.primary-pill-btn {
    background: var(--pure-white);
    color: var(--obsidian);
    border: none;
    border-radius: 9999px;
    padding: 8px 16px;
    font-family: var(--font-mono);
    font-weight: bold;
}
/* Auth & Gatekeeper UI */
.gatekeeper-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--obsidian);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 1s var(--transition-curve), visibility 1s;
}

.gatekeeper-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    display: none;
    animation: fadeIn 0.6s ease;
}

.auth-card.active {
    display: block;
}

.auth-title {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 2.5rem;
    color: var(--pure-white);
    margin-bottom: 2rem;
    text-align: center;
}

.auth-input-group {
    margin-bottom: 1.5rem;
}

.auth-input-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.15em;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.mono-input {
    width: 100%;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--pure-white);
    font-family: var(--font-mono);
    font-size: 14px;
    transition: all 0.3s ease;
}

.mono-input:focus {
    outline: none;
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.3);
}

.auth-footer {
    margin-top: 2rem;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 11px;
    color: rgba(255,255,255,0.4);
}

.auth-link {
    color: var(--pure-white);
    text-decoration: underline;
    cursor: pointer;
}

.error-toast {
    background: rgba(255, 85, 85, 0.1);
    border: 1px solid rgba(255, 85, 85, 0.3);
    color: #ff5555;
    padding: 12px;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    margin-bottom: 1.5rem;
    display: none;
}