:root {
    --bg-color: #f4f7f6;
    --text-color: #333;
    --card-bg: #fff;
    --primary: #002244; /* Navy blue */
    --accent: #e60000; /* Red */
    --border: #e0e0e0;
    --muted: #666;
}

[data-theme="dark"] {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --card-bg: #1e1e1e;
    --primary: #4da6ff;
    --border: #333;
    --muted: #aaa;
}

* { box-sizing: border-box; }
body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    transition: background 0.3s, color 0.3s;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
.main-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none !important;
}
.logo span { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 10px; }

.btn {
    display: inline-block;
    padding: 8px 16px;
    background: var(--primary);
    color: #fff;
    border: 1px solid var(--primary);
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}
.btn:hover { background: transparent; color: var(--primary); text-decoration: none; }
.btn-outline { background: transparent; color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 4px 8px; font-size: 14px; }
.btn-block { display: block; width: 100%; text-align: center; }

.btn-icon { background: transparent; border: none; font-size: 20px; cursor: pointer; padding: 0; }

.auth-box {
    max-width: 400px;
    margin: 50px auto;
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 600; }
.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--card-bg);
    color: var(--text-color);
}

.alert { padding: 10px; border-radius: 4px; margin-bottom: 15px; }
.alert-error { background: #fee; color: #c00; border: 1px solid #fcc; }

/* Dashboard layout */
.dashboard-grid { display: grid; grid-template-columns: 250px 1fr; gap: 20px; margin-top: 30px; }
.sidebar nav { display: flex; flex-direction: column; gap: 10px; }
.sidebar a { padding: 10px; background: var(--card-bg); border-radius: 4px; border: 1px solid var(--border); }
.sidebar a:hover, .sidebar a.active { background: var(--primary); color: #fff; text-decoration: none; }

/* Table */
table { width: 100%; border-collapse: collapse; margin-bottom: 20px; background: var(--card-bg); }
th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: rgba(0,0,0,0.05); }

/* Updates */
.update-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    position: relative;
}
.update-card.breaking { border-color: var(--accent); border-left: 4px solid var(--accent); }
.update-meta { font-size: 14px; color: var(--muted); margin-bottom: 10px; display: flex; justify-content: space-between; }
.update-title { margin: 0 0 10px 0; font-size: 20px; }
.update-content { line-height: 1.6; }
.update-images { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-top: 15px; }
.update-images img { width: 100%; height: auto; border-radius: 4px; }
.embed-container { margin-top: 15px; }
.embed-container iframe { max-width: 100%; }

.badge { padding: 3px 6px; border-radius: 3px; font-size: 12px; font-weight: bold; }
.badge-breaking { background: var(--accent); color: white; animation: pulse 2s infinite; }
.badge-pinned { background: var(--primary); color: white; }

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

.typing-indicator {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 10px;
    display: none;
    align-items: center;
    gap: 5px;
}
.typing-indicator.active { display: flex; }
.dot-anim { color: var(--accent); animation: blink 1s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.share-links { margin-top: 15px; display: flex; gap: 10px; }
.share-links a { font-size: 14px; padding: 5px 10px; background: #eee; border-radius: 4px; color: #333; }
.share-links a:hover { text-decoration: none; opacity: 0.8; }

@media(max-width: 768px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}