/*
 Theme Name:   AMP BTC
 Theme URI:    https://ampbtc.com
 Description:  Dark crypto-native theme for AMP BTC — child of GeneratePress
 Author:       AMP BTC
 Author URI:   https://ampbtc.com
 Template:     generatepress
 Version:      1.0.0
 Text Domain:  ampbtc-theme
*/

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

:root {
    --ampbtc-dark: #0a0e17;
    --ampbtc-surface: #131a2a;
    --ampbtc-surface-hover: #1a2335;
    --ampbtc-accent: #f7931a;
    --ampbtc-accent-hover: #e8850f;
    --ampbtc-green: #00d4aa;
    --ampbtc-red: #ef4444;
    --ampbtc-text: #e4e4e7;
    --ampbtc-muted: #9ca3af;
    --ampbtc-border: #1e293b;
    --ampbtc-glow: rgba(247, 147, 26, 0.15);
    --ampbtc-radius: 10px;
    --ampbtc-radius-sm: 6px;
    --ampbtc-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --ampbtc-transition: 0.2s ease;
}

/* ==========================================================================
   Global / Reset
   ========================================================================== */

body,
body.flavor-flavor {
    background-color: var(--ampbtc-dark);
    color: var(--ampbtc-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
}

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

a:hover {
    color: var(--ampbtc-accent-hover);
}

::selection {
    background: var(--ampbtc-accent);
    color: var(--ampbtc-dark);
}

img {
    border-radius: var(--ampbtc-radius-sm);
}

/* ==========================================================================
   Header
   ========================================================================== */

.ampbtc-header {
    background: var(--ampbtc-dark);
    border-bottom: 1px solid var(--ampbtc-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 20px rgba(247, 147, 26, 0.05);
}

.ampbtc-header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.ampbtc-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--ampbtc-text);
    letter-spacing: -0.02em;
    text-decoration: none;
}

.ampbtc-logo:hover {
    color: var(--ampbtc-text);
}

.ampbtc-logo svg {
    width: 28px;
    height: 28px;
}

.ampbtc-logo .amp {
    color: var(--ampbtc-accent);
}

/* Navigation */
.ampbtc-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.ampbtc-nav a {
    color: var(--ampbtc-muted);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--ampbtc-radius-sm);
    transition: all var(--ampbtc-transition);
    text-decoration: none;
}

.ampbtc-nav a:hover,
.ampbtc-nav a.current {
    color: var(--ampbtc-text);
    background: var(--ampbtc-surface);
}

.ampbtc-mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--ampbtc-text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.ampbtc-hero {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 24px;
}

.ampbtc-hero-card {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--ampbtc-surface);
    border-radius: var(--ampbtc-radius);
    overflow: hidden;
    border: 1px solid var(--ampbtc-border);
    transition: border-color var(--ampbtc-transition);
}

.ampbtc-hero-card:hover {
    border-color: rgba(247, 147, 26, 0.3);
}

.ampbtc-hero-image {
    position: relative;
    min-height: 400px;
    overflow: hidden;
}

.ampbtc-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    transition: transform 0.4s ease;
}

.ampbtc-hero-card:hover .ampbtc-hero-image img {
    transform: scale(1.03);
}

.ampbtc-hero-content {
    padding: 48px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.ampbtc-hero-content .ampbtc-badge {
    margin-bottom: 16px;
}

.ampbtc-hero-content h2 {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--ampbtc-text);
    margin: 0 0 16px;
    letter-spacing: -0.02em;
}

.ampbtc-hero-content h2 a {
    color: inherit;
    text-decoration: none;
}

.ampbtc-hero-content h2 a:hover {
    color: var(--ampbtc-accent);
}

.ampbtc-hero-excerpt {
    color: var(--ampbtc-muted);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.ampbtc-hero-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--ampbtc-muted);
    font-size: 0.8125rem;
}

.ampbtc-hero-meta .sep {
    width: 3px;
    height: 3px;
    background: var(--ampbtc-muted);
    border-radius: 50%;
}

/* ==========================================================================
   Badge
   ========================================================================== */

.ampbtc-badge {
    display: inline-block;
    background: rgba(247, 147, 26, 0.12);
    color: var(--ampbtc-accent);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    transition: background var(--ampbtc-transition);
}

.ampbtc-badge:hover {
    background: rgba(247, 147, 26, 0.2);
    color: var(--ampbtc-accent);
}

/* ==========================================================================
   Category Sections
   ========================================================================== */

.ampbtc-category-section {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px 24px 32px;
}

.ampbtc-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--ampbtc-border);
}

.ampbtc-section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ampbtc-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ampbtc-section-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 20px;
    background: var(--ampbtc-accent);
    border-radius: 2px;
}

.ampbtc-section-more {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ampbtc-muted);
    text-decoration: none;
    transition: color var(--ampbtc-transition);
}

.ampbtc-section-more:hover {
    color: var(--ampbtc-accent);
}

/* ==========================================================================
   Post Cards Grid
   ========================================================================== */

.ampbtc-posts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.ampbtc-post-card {
    background: var(--ampbtc-surface);
    border-radius: var(--ampbtc-radius);
    border: 1px solid var(--ampbtc-border);
    overflow: hidden;
    transition: all var(--ampbtc-transition);
}

.ampbtc-post-card:hover {
    border-color: rgba(247, 147, 26, 0.25);
    transform: translateY(-2px);
    box-shadow: var(--ampbtc-shadow);
}

.ampbtc-card-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.ampbtc-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    transition: transform 0.3s ease;
}

.ampbtc-post-card:hover .ampbtc-card-image img {
    transform: scale(1.05);
}

.ampbtc-card-image .ampbtc-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 2;
}

.ampbtc-card-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--ampbtc-surface) 0%, var(--ampbtc-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ampbtc-card-placeholder svg {
    width: 48px;
    height: 48px;
    opacity: 0.2;
}

.ampbtc-card-body {
    padding: 16px;
}

.ampbtc-card-body h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0 0 8px;
    color: var(--ampbtc-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ampbtc-card-body h3 a {
    color: inherit;
    text-decoration: none;
}

.ampbtc-card-body h3 a:hover {
    color: var(--ampbtc-accent);
}

.ampbtc-card-excerpt {
    font-size: 0.8125rem;
    color: var(--ampbtc-muted);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ampbtc-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--ampbtc-muted);
}

.ampbtc-card-meta .sep {
    width: 3px;
    height: 3px;
    background: var(--ampbtc-muted);
    border-radius: 50%;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.ampbtc-footer {
    background: var(--ampbtc-surface);
    border-top: 1px solid var(--ampbtc-border);
    margin-top: 64px;
}

.ampbtc-footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 48px 24px 0;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
}

.ampbtc-footer-col h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--ampbtc-text);
    margin: 0 0 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ampbtc-footer-about p {
    color: var(--ampbtc-muted);
    font-size: 0.875rem;
    line-height: 1.7;
    margin: 12px 0 0;
}

.ampbtc-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ampbtc-footer-links li {
    margin-bottom: 10px;
}

.ampbtc-footer-links a {
    color: var(--ampbtc-muted);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color var(--ampbtc-transition);
}

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

.ampbtc-footer-bar {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 24px;
    margin-top: 32px;
    border-top: 1px solid var(--ampbtc-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8125rem;
    color: var(--ampbtc-muted);
}

.ampbtc-footer-bar a {
    color: var(--ampbtc-muted);
}

.ampbtc-footer-bar a:hover {
    color: var(--ampbtc-accent);
}

/* ==========================================================================
   Single Post / Archive Overrides
   ========================================================================== */

/* GeneratePress container overrides */
.site-content,
.inside-article,
.entry-content,
.page-content {
    background: transparent;
    color: var(--ampbtc-text);
}

article.post,
article.page {
    background: var(--ampbtc-surface);
    border: 1px solid var(--ampbtc-border);
    border-radius: var(--ampbtc-radius);
    padding: 32px;
    margin-bottom: 24px;
}

.entry-title,
.entry-title a,
h1, h2, h3, h4, h5, h6 {
    color: var(--ampbtc-text);
}

.entry-meta,
.entry-meta a,
.post-meta,
.byline,
.posted-on {
    color: var(--ampbtc-muted);
}

.entry-meta a:hover {
    color: var(--ampbtc-accent);
}

.entry-content p,
.entry-content li {
    color: var(--ampbtc-text);
}

.entry-content blockquote {
    border-left: 4px solid var(--ampbtc-accent);
    background: rgba(247, 147, 26, 0.05);
    padding: 16px 24px;
    border-radius: 0 var(--ampbtc-radius-sm) var(--ampbtc-radius-sm) 0;
    margin: 24px 0;
}

.entry-content code {
    background: var(--ampbtc-dark);
    color: var(--ampbtc-accent);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.875em;
}

.entry-content pre {
    background: var(--ampbtc-dark);
    border: 1px solid var(--ampbtc-border);
    border-radius: var(--ampbtc-radius-sm);
    padding: 20px;
    overflow-x: auto;
}

/* GP sidebar */
.widget-area .widget {
    background: var(--ampbtc-surface);
    border: 1px solid var(--ampbtc-border);
    border-radius: var(--ampbtc-radius);
    padding: 20px;
    margin-bottom: 20px;
}

.widget-title {
    color: var(--ampbtc-text);
    font-size: 0.9375rem;
    font-weight: 700;
    border-bottom: 1px solid var(--ampbtc-border);
    padding-bottom: 10px;
    margin-bottom: 14px;
}

/* Forms / inputs */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="search"],
textarea,
select {
    background: var(--ampbtc-dark);
    border: 1px solid var(--ampbtc-border);
    color: var(--ampbtc-text);
    border-radius: var(--ampbtc-radius-sm);
    padding: 10px 14px;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--ampbtc-accent);
    outline: none;
    box-shadow: 0 0 0 3px var(--ampbtc-glow);
}

button,
input[type="submit"],
.button,
a.button {
    background: var(--ampbtc-accent);
    color: var(--ampbtc-dark);
    border: none;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: var(--ampbtc-radius-sm);
    cursor: pointer;
    transition: background var(--ampbtc-transition);
}

button:hover,
input[type="submit"]:hover,
.button:hover,
a.button:hover {
    background: var(--ampbtc-accent-hover);
}

/* Comments */
.comments-area {
    background: var(--ampbtc-surface);
    border: 1px solid var(--ampbtc-border);
    border-radius: var(--ampbtc-radius);
    padding: 24px;
}

.comment-body {
    border-bottom: 1px solid var(--ampbtc-border);
    padding-bottom: 16px;
    margin-bottom: 16px;
}

/* Pagination */
.nav-links a,
.page-numbers {
    background: var(--ampbtc-surface);
    color: var(--ampbtc-muted);
    border: 1px solid var(--ampbtc-border);
    padding: 8px 14px;
    border-radius: var(--ampbtc-radius-sm);
    transition: all var(--ampbtc-transition);
}

.nav-links a:hover,
.page-numbers:hover {
    border-color: var(--ampbtc-accent);
    color: var(--ampbtc-accent);
}

.page-numbers.current {
    background: var(--ampbtc-accent);
    color: var(--ampbtc-dark);
    border-color: var(--ampbtc-accent);
}

/* Category / Archive headers */
.page-header {
    background: var(--ampbtc-surface);
    border: 1px solid var(--ampbtc-border);
    border-radius: var(--ampbtc-radius);
    padding: 24px 32px;
    margin-bottom: 24px;
}

.page-header .page-title {
    color: var(--ampbtc-text);
    margin: 0;
}

.taxonomy-description {
    color: var(--ampbtc-muted);
}

/* ==========================================================================
   Scrollbar
   ========================================================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--ampbtc-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--ampbtc-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--ampbtc-muted);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .ampbtc-posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ampbtc-hero-card {
        grid-template-columns: 1fr;
    }

    .ampbtc-hero-image {
        min-height: 240px;
    }

    .ampbtc-hero-content {
        padding: 28px 24px;
    }

    .ampbtc-hero-content h2 {
        font-size: 1.5rem;
    }

    .ampbtc-footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .ampbtc-footer-about {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .ampbtc-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--ampbtc-dark);
        border-bottom: 1px solid var(--ampbtc-border);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
    }

    .ampbtc-nav.open {
        display: flex;
    }

    .ampbtc-mobile-toggle {
        display: block;
    }

    .ampbtc-posts-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .ampbtc-hero {
        padding: 16px;
    }

    .ampbtc-category-section {
        padding: 12px 16px 24px;
    }

    .ampbtc-hero-content h2 {
        font-size: 1.25rem;
    }

    .ampbtc-footer-inner {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    article.post,
    article.page {
        padding: 20px;
    }
}

/* ==========================================================================
   Category Archive Page
   ========================================================================== */

.ampbtc-cat-header {
    background: var(--ampbtc-surface);
    border-bottom: 1px solid var(--ampbtc-border);
    padding: 48px 24px 40px;
    text-align: center;
}

.ampbtc-cat-header-inner {
    max-width: 720px;
    margin: 0 auto;
}

.ampbtc-cat-header .ampbtc-badge {
    margin-bottom: 16px;
}

.ampbtc-cat-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 16px 0 12px;
    color: var(--ampbtc-text);
}

.ampbtc-cat-desc {
    color: var(--ampbtc-muted);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0 0 16px;
}

.ampbtc-cat-count {
    display: inline-block;
    background: var(--ampbtc-dark);
    color: var(--ampbtc-muted);
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 4px 14px;
    border-radius: 20px;
    border: 1px solid var(--ampbtc-border);
}

.ampbtc-archive-grid-wrap {
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 24px 48px;
}

.ampbtc-archive-grid {
    grid-template-columns: repeat(3, 1fr);
}

.ampbtc-archive-grid-wrap .nav-links {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.ampbtc-no-posts {
    text-align: center;
    color: var(--ampbtc-muted);
    font-size: 1.125rem;
    padding: 48px 0;
}

/* ==========================================================================
   Single Post Page
   ========================================================================== */

.ampbtc-single-hero {
    width: 100%;
    max-height: 480px;
    overflow: hidden;
}

.ampbtc-single-hero-img {
    width: 100%;
    max-height: 480px;
    overflow: hidden;
}

.ampbtc-single-hero-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    display: block;
}

.ampbtc-single-hero-placeholder {
    width: 100%;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--ampbtc-surface) 0%, var(--ampbtc-dark) 100%);
}

.ampbtc-single-article {
    max-width: 720px;
    margin: -40px auto 0;
    position: relative;
    z-index: 1;
    background: transparent;
    border: none;
    padding: 0 24px;
}

/* Override GP article styles on single */
.ampbtc-single .ampbtc-single-article.post {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0 24px;
    margin-bottom: 0;
}

.ampbtc-single-header {
    margin-bottom: 32px;
}

.ampbtc-single-header .ampbtc-badge {
    margin-bottom: 16px;
}

.ampbtc-single-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--ampbtc-text);
    margin: 16px 0 20px;
}

.ampbtc-single-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--ampbtc-muted);
    font-size: 0.875rem;
    flex-wrap: wrap;
}

.ampbtc-single-meta .sep {
    width: 3px;
    height: 3px;
    background: var(--ampbtc-muted);
    border-radius: 50%;
}

.ampbtc-single-author {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--ampbtc-text);
    text-decoration: none;
    font-weight: 500;
}

.ampbtc-single-author:hover {
    color: var(--ampbtc-accent);
}

.ampbtc-single-author img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

/* Single article entry-content */
.ampbtc-single-article .entry-content {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.ampbtc-single-article .entry-content p {
    margin-bottom: 1.5em;
}

.ampbtc-single-article .entry-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2em;
    margin-bottom: 0.75em;
}

.ampbtc-single-article .entry-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.75em;
    margin-bottom: 0.5em;
}

.ampbtc-single-article .entry-content img {
    border-radius: var(--ampbtc-radius);
    margin: 24px 0;
}

/* Tags */
.ampbtc-single-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--ampbtc-border);
}

.ampbtc-tag {
    display: inline-block;
    background: var(--ampbtc-surface);
    color: var(--ampbtc-muted);
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid var(--ampbtc-border);
    text-decoration: none;
    transition: all var(--ampbtc-transition);
}

.ampbtc-tag:hover {
    color: var(--ampbtc-accent);
    border-color: var(--ampbtc-accent);
}

/* Author Bio Card */
.ampbtc-author-card {
    max-width: 720px;
    margin: 40px auto 0;
    padding: 24px;
    background: var(--ampbtc-surface);
    border: 1px solid var(--ampbtc-border);
    border-radius: var(--ampbtc-radius);
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.ampbtc-author-avatar img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    flex-shrink: 0;
}

.ampbtc-author-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ampbtc-muted);
    margin-bottom: 4px;
}

.ampbtc-author-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--ampbtc-text);
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
}

.ampbtc-author-name:hover {
    color: var(--ampbtc-accent);
}

.ampbtc-author-bio {
    color: var(--ampbtc-muted);
    font-size: 0.875rem;
    line-height: 1.6;
    margin: 0;
}

/* Related Posts */
.ampbtc-related {
    max-width: 1280px;
    margin: 48px auto 0;
    padding: 0 24px 48px;
}

.ampbtc-related-grid {
    grid-template-columns: repeat(3, 1fr);
}

/* ==========================================================================
   Category-Specific Placeholder Gradients
   ========================================================================== */

.ampbtc-card-placeholder,
.ampbtc-single-hero-placeholder {
    position: relative;
}

.ampbtc-placeholder-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ampbtc-card-placeholder .ampbtc-placeholder-icon {
    width: 100%;
    height: 100%;
}

.ampbtc-card-placeholder .ampbtc-placeholder-icon svg {
    width: 48px;
    height: 48px;
    opacity: 0.3;
}

.ampbtc-single-hero-placeholder .ampbtc-placeholder-icon svg {
    width: 80px;
    height: 80px;
    opacity: 0.25;
}

/* Bitcoin — orange */
.ampbtc-card-placeholder[data-category="bitcoin"],
.ampbtc-single-hero-placeholder[data-category="bitcoin"] {
    background: linear-gradient(135deg, #1a120a 0%, #2d1a08 50%, #0a0e17 100%);
    color: #f7931a;
}

/* Ethereum — purple/blue */
.ampbtc-card-placeholder[data-category="ethereum"],
.ampbtc-single-hero-placeholder[data-category="ethereum"] {
    background: linear-gradient(135deg, #1a0a2e 0%, #0d1a3a 50%, #0a0e17 100%);
    color: #627eea;
}

/* DeFi — teal */
.ampbtc-card-placeholder[data-category="defi"],
.ampbtc-single-hero-placeholder[data-category="defi"] {
    background: linear-gradient(135deg, #0a1a1a 0%, #0d2a2a 50%, #0a0e17 100%);
    color: #00d4aa;
}

/* Altcoins — cyan */
.ampbtc-card-placeholder[data-category="altcoins"],
.ampbtc-single-hero-placeholder[data-category="altcoins"] {
    background: linear-gradient(135deg, #0a1520 0%, #0d2030 50%, #0a0e17 100%);
    color: #38bdf8;
}

/* Market Analysis — green */
.ampbtc-card-placeholder[data-category="market-analysis"],
.ampbtc-single-hero-placeholder[data-category="market-analysis"] {
    background: linear-gradient(135deg, #0a1a10 0%, #0d2a15 50%, #0a0e17 100%);
    color: #34d399;
}

/* Regulation — amber */
.ampbtc-card-placeholder[data-category="regulation"],
.ampbtc-single-hero-placeholder[data-category="regulation"] {
    background: linear-gradient(135deg, #1a150a 0%, #2a200d 50%, #0a0e17 100%);
    color: #fbbf24;
}

/* Mining — slate/steel */
.ampbtc-card-placeholder[data-category="mining"],
.ampbtc-single-hero-placeholder[data-category="mining"] {
    background: linear-gradient(135deg, #12151a 0%, #1c2028 50%, #0a0e17 100%);
    color: #94a3b8;
}

/* NFTs & Gaming — pink/magenta */
.ampbtc-card-placeholder[data-category="nfts-gaming"],
.ampbtc-single-hero-placeholder[data-category="nfts-gaming"] {
    background: linear-gradient(135deg, #1a0a1a 0%, #2a0d25 50%, #0a0e17 100%);
    color: #f472b6;
}

/* Technology — blue */
.ampbtc-card-placeholder[data-category="technology"],
.ampbtc-single-hero-placeholder[data-category="technology"] {
    background: linear-gradient(135deg, #0a0e1a 0%, #0d1530 50%, #0a0e17 100%);
    color: #60a5fa;
}

/* Guides — emerald */
.ampbtc-card-placeholder[data-category="guides"],
.ampbtc-single-hero-placeholder[data-category="guides"] {
    background: linear-gradient(135deg, #0a1510 0%, #0d2518 50%, #0a0e17 100%);
    color: #10b981;
}

/* ==========================================================================
   Responsive — Category & Single
   ========================================================================== */

@media (max-width: 1024px) {
    .ampbtc-archive-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ampbtc-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ampbtc-single-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .ampbtc-cat-title {
        font-size: 1.75rem;
    }

    .ampbtc-cat-header {
        padding: 32px 16px 28px;
    }

    .ampbtc-archive-grid-wrap {
        padding: 24px 16px 40px;
    }

    .ampbtc-archive-grid {
        grid-template-columns: 1fr;
    }

    .ampbtc-related-grid {
        grid-template-columns: 1fr;
    }

    .ampbtc-single-title {
        font-size: 1.5rem;
    }

    .ampbtc-single-hero-placeholder {
        height: 200px;
    }

    .ampbtc-single-article {
        margin-top: -20px;
        padding: 0 16px;
    }

    .ampbtc-single .ampbtc-single-article.post {
        padding: 0 16px;
    }

    .ampbtc-author-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-left: 16px;
        margin-right: 16px;
    }

    .ampbtc-related {
        padding: 0 16px 40px;
    }

    .ampbtc-single-meta {
        font-size: 0.8125rem;
    }
}

/* ==========================================================================
   Static Pages
   ========================================================================== */

.ampbtc-page-wrap {
    max-width: 720px;
    margin: 0 auto;
    padding: 48px 24px 64px;
}

.ampbtc-page-article {
    background: transparent;
    border: none;
    padding: 0;
}

.ampbtc-page .ampbtc-page-article.page {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    margin-bottom: 0;
}

.ampbtc-page-header {
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--ampbtc-border);
}

.ampbtc-page-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--ampbtc-text);
    margin: 0;
    line-height: 1.2;
}

.ampbtc-page-article .entry-content {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.ampbtc-page-article .entry-content p {
    margin-bottom: 1.5em;
}

.ampbtc-page-article .entry-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2em;
    margin-bottom: 0.75em;
}

.ampbtc-page-article .entry-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.75em;
    margin-bottom: 0.5em;
}

.ampbtc-page-article .entry-content ul,
.ampbtc-page-article .entry-content ol {
    padding-left: 1.5em;
    margin-bottom: 1.5em;
}

.ampbtc-page-article .entry-content li {
    margin-bottom: 0.5em;
}

@media (max-width: 768px) {
    .ampbtc-page-wrap {
        padding: 32px 16px 48px;
    }

    .ampbtc-page-title {
        font-size: 1.75rem;
    }

    .ampbtc-page-header {
        margin-bottom: 28px;
        padding-bottom: 20px;
    }
}

/* ==========================================================================
   Utility: hide GP default elements we override
   ========================================================================== */

.ampbtc-front .site-header,
.ampbtc-front .site-footer,
.ampbtc-front #page > .site-content > .inside-article {
    display: none;
}

/* Ensure GP layout doesn't override front-page */
.ampbtc-front .site-content {
    padding: 0;
    margin: 0;
}

/* Hide GP defaults on category, single & page */
.ampbtc-category .site-header,
.ampbtc-category .site-footer,
.ampbtc-category #page > .site-content > .inside-article,
.ampbtc-single .site-header,
.ampbtc-single .site-footer,
.ampbtc-single #page > .site-content > .inside-article,
.ampbtc-page .site-header,
.ampbtc-page .site-footer,
.ampbtc-page #page > .site-content > .inside-article {
    display: none;
}

.ampbtc-category .site-content,
.ampbtc-single .site-content,
.ampbtc-page .site-content {
    padding: 0;
    margin: 0;
}

/* ── Contact Form ────────────────────────────── */

.ampbtc-contact-form {
    max-width: 600px;
}

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

.ampbtc-form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ampbtc-text);
}

.ampbtc-form-group label .required {
    color: var(--ampbtc-accent);
}

.ampbtc-form-group input,
.ampbtc-form-group select,
.ampbtc-form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--ampbtc-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--ampbtc-text);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.ampbtc-form-group input:focus,
.ampbtc-form-group select:focus,
.ampbtc-form-group textarea:focus {
    outline: none;
    border-color: var(--ampbtc-accent);
}

.ampbtc-form-group select {
    cursor: pointer;
}

.ampbtc-form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.ampbtc-form-submit {
    display: inline-block;
    padding: 0.85rem 2.5rem;
    background: var(--ampbtc-accent);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.ampbtc-form-submit:hover {
    opacity: 0.9;
}

.ampbtc-form-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.ampbtc-form-status {
    margin-bottom: 1rem;
    padding: 0;
    font-size: 0.95rem;
}

.ampbtc-form-status.success {
    padding: 0.75rem 1rem;
    background: rgba(0, 212, 170, 0.15);
    border: 1px solid var(--ampbtc-green);
    border-radius: 8px;
    color: var(--ampbtc-green);
}

.ampbtc-form-status.error {
    padding: 0.75rem 1rem;
    background: rgba(214, 54, 56, 0.15);
    border: 1px solid #d63638;
    border-radius: 8px;
    color: #d63638;
}

.grecaptcha-badge {
    visibility: hidden;
}