/* ============================================================
   Bypass AI Image Detector — Shared Glass Theme
   Single source of truth for all pages. Loaded via <link>.
   ============================================================ */

:root {
    /* Background */
    --bg-0: #0b0e1a;
    --bg-1: #131830;
    --bg-2: #1a1f3d;
    --bg-gradient: radial-gradient(1200px 600px at 80% -10%, rgba(233, 69, 96, 0.18), transparent 60%),
        radial-gradient(1000px 500px at 0% 100%, rgba(78, 205, 196, 0.12), transparent 55%),
        linear-gradient(135deg, var(--bg-0) 0%, var(--bg-1) 50%, var(--bg-2) 100%);

    /* Glass surfaces */
    --glass-bg: rgba(255, 255, 255, 0.055);
    --glass-bg-hover: rgba(255, 255, 255, 0.085);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-border-strong: rgba(255, 255, 255, 0.2);
    --glass-highlight: rgba(255, 255, 255, 0.08);
    --glass-blur: 20px;

    /* Accent */
    --accent: #e94560;
    --accent-2: #ff6b6b;
    --accent-soft: rgba(233, 69, 96, 0.15);
    --teal: #4ecdc4;
    --teal-soft: rgba(78, 205, 196, 0.12);
    --amber: #ffc107;
    --amber-soft: rgba(255, 193, 7, 0.12);

    /* Text */
    --text: #ecedf3;
    --text-muted: #a6abc5;
    --text-dim: #6f7493;

    /* Shadows */
    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 10px 40px rgba(233, 69, 96, 0.35);

    /* Layout */
    --radius: 18px;
    --radius-sm: 12px;
    --maxw: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    text-decoration: underline;
}

/* ---------- Top navigation ---------- */
.topnav {
    background: rgba(11, 14, 26, 0.65);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    padding: 14px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topnav-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.topnav-brand {
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}

.topnav-brand span {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.topnav-links {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.topnav-links a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 7px 14px;
    border-radius: 8px;
    font-size: 0.92rem;
    font-weight: 500;
    transition: all 0.2s;
}

.topnav-links a:hover {
    color: var(--text);
    background: var(--glass-bg);
    text-decoration: none;
}

/* ---------- Layout containers ---------- */
.container {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 20px;
}

.page-wrap {
    padding: 48px 20px 60px;
}

.narrow-wrap {
    max-width: 820px;
    margin: 0 auto;
    padding: 48px 20px 60px;
}

/* ---------- Glass card (generic) ---------- */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    /* subtle inner top highlight to sell the glass look */
    background-image: linear-gradient(180deg, var(--glass-highlight), transparent 30%);
}

/* ---------- Page header ---------- */
.page-header {
    text-align: center;
    margin-bottom: 44px;
}

.page-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.page-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 660px;
    margin: 0 auto;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color: #fff;
    border: none;
    padding: 13px 36px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    letter-spacing: 0.01em;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-strong);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    color: var(--text);
}

.btn-secondary:hover {
    background: var(--glass-bg-hover);
    box-shadow: var(--shadow-sm);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 24px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.back-link::before {
    content: "\2190";
    font-size: 1.1em;
}

.back-link:hover {
    color: var(--accent-2);
    text-decoration: underline;
}

/* ---------- Tags / category chips ---------- */
.tag {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent-2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ---------- Cards grid (blog / guides) ---------- */
.grid {
    display: grid;
    gap: 22px;
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 26px;
    text-decoration: none;
    transition: transform 0.25s, border-color 0.25s, background 0.25s, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
    background-image: linear-gradient(180deg, var(--glass-highlight), transparent 25%);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--glass-border-strong);
    background: var(--glass-bg-hover);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.card .card-title {
    color: var(--text);
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 12px 0;
}

.card .card-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    margin-bottom: 4px;
}

.card .card-desc {
    color: var(--text-muted);
    font-size: 0.94rem;
    flex-grow: 1;
    margin-bottom: 18px;
}

.card .card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-dim);
    font-size: 0.84rem;
    padding-top: 14px;
    border-top: 1px solid var(--glass-border);
}

.card .card-meta .read-more {
    color: var(--accent);
    font-weight: 600;
}

/* ---------- Article typography ---------- */
.article-meta {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
}

.article-meta span + span::before {
    content: " \00b7 ";
    margin: 0 4px;
    color: var(--text-dim);
}

.prose h2 {
    font-size: 1.55rem;
    color: var(--accent-2);
    margin-top: 42px;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}

.prose h2:first-child {
    margin-top: 0;
}

.prose h3 {
    font-size: 1.2rem;
    color: var(--teal);
    margin-top: 28px;
    margin-bottom: 10px;
}

.prose p {
    margin-bottom: 18px;
    color: var(--text);
}

.prose ul,
.prose ol {
    margin: 0 0 18px 24px;
    color: var(--text);
}

.prose li {
    margin-bottom: 8px;
}

.prose strong {
    color: #fff;
    font-weight: 600;
}

.prose code {
    background: rgba(0, 0, 0, 0.4);
    color: var(--teal);
    padding: 2px 7px;
    border-radius: 5px;
    font-family: 'Consolas', 'SF Mono', monospace;
    font-size: 0.88em;
}

.prose pre {
    background: rgba(0, 0, 0, 0.45);
    padding: 18px;
    border-radius: 10px;
    overflow-x: auto;
    margin-bottom: 18px;
    border: 1px solid var(--glass-border);
}

.prose pre code {
    background: none;
    padding: 0;
    color: var(--text);
}

/* ---------- Article images ---------- */
.article-hero {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--radius);
    margin-bottom: 28px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
}

.prose figure {
    margin: 28px 0;
}

.prose figure img {
    width: 100%;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    display: block;
}

.prose figcaption {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-top: 8px;
    font-style: italic;
}

/* ---------- Table of contents ---------- */
.toc {
    background: var(--teal-soft);
    border-left: 3px solid var(--teal);
    border-radius: 10px;
    padding: 20px 24px;
    margin-bottom: 32px;
}

.toc h3 {
    color: var(--teal);
    font-size: 0.95rem;
    margin: 0 0 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.toc ol {
    margin: 0 0 0 20px;
}

.toc li {
    margin-bottom: 6px;
}

.toc a {
    color: #9fd8d3;
    font-size: 0.94rem;
}

.toc a:hover {
    color: var(--teal);
}

/* ---------- Callout boxes ---------- */
.callout {
    border-radius: 12px;
    padding: 18px 22px;
    margin: 24px 0;
    border-left: 4px solid;
    background-image: linear-gradient(180deg, var(--glass-highlight), transparent 40%);
}

.callout-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.callout p {
    margin: 0;
}

.callout p + p {
    margin-top: 10px;
}

.callout-info {
    background-color: var(--teal-soft);
    border-color: var(--teal);
}

.callout-info .callout-label {
    color: var(--teal);
}

.callout-warning {
    background-color: var(--amber-soft);
    border-color: var(--amber);
}

.callout-warning .callout-label {
    color: var(--amber);
}

.callout-tip {
    background-color: var(--accent-soft);
    border-color: var(--accent);
}

.callout-tip .callout-label {
    color: var(--accent-2);
}

/* ---------- CTA box ---------- */
.cta-box {
    background: linear-gradient(135deg, var(--accent-soft), rgba(255, 107, 107, 0.08));
    border: 1px solid rgba(233, 69, 96, 0.4);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    margin: 36px 0;
    box-shadow: var(--shadow-sm);
}

.cta-box h3 {
    color: var(--text);
    margin: 0 0 10px;
}

.cta-box p {
    color: var(--text-muted);
    margin: 0 0 20px;
}

/* ---------- How it works (3-step showcase) ---------- */
.howitworks {
    margin: 44px 0;
}

.howitworks-intro {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 30px;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

@media (max-width: 860px) {
    .steps {
        grid-template-columns: 1fr;
    }
}

.step {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 22px;
    text-align: center;
    background-image: linear-gradient(180deg, var(--glass-highlight), transparent 30%);
    transition: transform 0.25s, border-color 0.25s;
}

.step:hover {
    transform: translateY(-4px);
    border-color: var(--glass-border-strong);
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 14px;
}

.step-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.step-badge-bad {
    background: rgba(233, 69, 96, 0.18);
    color: var(--accent-2);
}

.step-badge-mid {
    background: rgba(255, 193, 7, 0.16);
    color: var(--amber);
}

.step-badge-good {
    background: var(--teal-soft);
    color: var(--teal);
}

.step img {
    width: 100%;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    margin-bottom: 12px;
    display: block;
}

.step h3 {
    color: var(--text);
    font-size: 1.05rem;
    margin: 0 0 8px;
}

.step p {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin: 0;
    line-height: 1.5;
}

/* ---------- Footer ---------- */
.site-footer {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.9rem;
    border-top: 1px solid var(--glass-border);
    padding: 28px 20px;
    margin-top: 40px;
}

.site-footer a {
    color: var(--accent);
}

.site-footer .footer-disclaimer {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* ---------- Forms (contact) ---------- */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 7px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

/* ---------- Misc ---------- */
.breadcrumb {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 18px;
}

/* ---------- FAQ <details> ---------- */
.prose details {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 0 18px;
    margin-bottom: 12px;
    overflow: hidden;
}

.prose details summary {
    cursor: pointer;
    padding: 16px 0;
    font-weight: 600;
    color: var(--text);
    list-style: none;
    position: relative;
    padding-right: 24px;
}

.prose details summary::-webkit-details-marker {
    display: none;
}

.prose details summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent);
    font-size: 1.3rem;
    font-weight: 400;
    line-height: 1;
}

.prose details[open] summary::after {
    content: "\2212";
}

.prose details summary ~ * {
    padding-bottom: 16px;
    color: var(--text-muted);
}

.prose details summary:hover {
    color: var(--accent-2);
}

.breadcrumb a {
    color: var(--accent);
}

.section-title {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 8px;
}

.section-title h2 {
    font-size: 1.7rem;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title a {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.92rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .topnav-links a {
        padding: 6px 10px;
        font-size: 0.88rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .card,
    .cta-box {
        padding: 22px;
    }
}