/* Bitcoin-watch Professional CSS - Based on bitcoin.org style */
:root {
    --primary-color: #f7931a;
    --secondary-color: #4d4d4d;
    --text-primary: #333;
    --text-secondary: #666;
    --background-main: #ffffff;
    --background-alt: #f7f7f7;
    --border-color: #e3e3e3;
    --link-color: #0066cc;
}

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

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--background-main);
}

/* Header */
.head {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.head-inner {
    max-width: 1170px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-minimal {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 400;
}

.logo-minimal .btc-symbol {
    color: var(--primary-color);
    font-size: 28px;
    font-weight: bold;
}

.logo-minimal .text {
    color: var(--text-primary);
    font-weight: 400;
    font-size: 24px;
}

.logo-minimal .watch {
    color: var(--text-secondary);
    font-weight: 300;
}

/* Navigation */
.menumain {
    display: flex;
    list-style: none;
    gap: 30px;
}

.menumain > li {
    position: relative;
}

.menumain a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 5px 0;
    display: block;
    transition: color 0.2s;
}

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

/* Status Bar */
.status-bar {
    background: #f7f7f7;
    border-bottom: 1px solid #e3e3e3;
    padding: 8px 0;
    font-size: 13px;
}

.status-bar-content {
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--text-secondary);
    margin-right: 20px;
}

.status-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Hero Section */
.hero {
    background: var(--background-alt);
    border-bottom: 1px solid var(--border-color);
    padding: 40px 0;
}

.hero-container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 32px;
    font-weight: 300;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.hero .summary {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Content Container */
.container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Article Grid */
.article-section {
    margin-bottom: 60px;
}

.section-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 30px;
}

.section-title {
    font-size: 24px;
    font-weight: 300;
    color: var(--text-primary);
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.article-card {
    background: #fff;
    border: 1px solid var(--border-color);
    transition: box-shadow 0.2s;
    cursor: pointer;
}

.article-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

.article-content {
    padding: 20px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.article-author {
    font-weight: 500;
    color: var(--text-primary);
}

.article-date {
    color: var(--text-secondary);
}

.article-title {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 14px;
}

.read-more {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
}

.read-more:hover {
    text-decoration: underline;
}

/* Badges */
.article-badges {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
}

.badge {
    background: var(--background-alt);
    color: var(--text-secondary);
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    border: 1px solid var(--border-color);
}

.badge-verified {
    background: #e8f5e9;
    color: #2e7d32;
    border-color: #c8e6c9;
}

/* Sidebar */
.sidebar-section {
    background: var(--background-alt);
    border: 1px solid var(--border-color);
    padding: 25px;
    margin-bottom: 30px;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.expert-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: #fff;
    border: 1px solid var(--border-color);
    margin-bottom: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: background 0.2s;
}

.expert-link:hover {
    background: var(--background-alt);
}

.expert-image {
    width: 40px;
    height: 40px;
    object-fit: cover;
}

/* Footer */
.footer {
    background: var(--background-alt);
    border-top: 1px solid var(--border-color);
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-bottom {
    background: #fff;
    border-top: 1px solid var(--border-color);
    padding: 15px 0;
    margin-top: 30px;
}

.footer-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
}

/* Warning Banner */
.warning-banner {
    background: #fff3cd;
    border: 1px solid #ffc107;
    color: #856404;
    padding: 15px;
    margin: 30px 0;
    text-align: center;
    font-weight: 500;
}

.warning-banner small {
    display: block;
    margin-top: 10px;
    font-weight: normal;
    font-size: 12px;
}

/* Article Page Specific */
.article-header {
    background: var(--background-alt);
    border-bottom: 1px solid var(--border-color);
    padding: 30px 0;
}

.article-header-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.article-page-title {
    font-size: 36px;
    font-weight: 300;
    margin-bottom: 20px;
    line-height: 1.3;
}

.article-body-container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

.article-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
}

.article-text h2 {
    font-size: 24px;
    margin: 30px 0 15px;
    font-weight: 500;
}

.article-text h3 {
    font-size: 20px;
    margin: 25px 0 12px;
    font-weight: 500;
}

.article-text p {
    margin-bottom: 20px;
}

/* Code Blocks */
.code-block {
    background: #f4f4f4;
    border: 1px solid var(--border-color);
    padding: 20px;
    margin: 20px 0;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 13px;
}

/* Data Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.data-table th,
.data-table td {
    border: 1px solid var(--border-color);
    padding: 10px;
    text-align: left;
}

.data-table th {
    background: var(--background-alt);
    font-weight: 500;
}

/* Expert Cards */
.expert-card {
    background: var(--background-alt);
    border: 1px solid var(--border-color);
    padding: 20px;
    margin: 25px 0;
    display: flex;
    gap: 20px;
}

.expert-avatar {
    width: 60px;
    height: 60px;
    object-fit: cover;
}

.expert-info h4 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 5px;
}

.expert-title {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 10px;
}

.expert-quote {
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.6;
}