/* Base styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-primary);
    transition: background 0.3s ease, color 0.3s ease;
}

/* AdSense sidebar ads in margins */
.sidebar-ad {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 160px;
    z-index: 100;
}

.sidebar-ad-left {
    left: 20px;
}

.sidebar-ad-right {
    right: 20px;
}

/* Hide sidebar ads on smaller screens where there's no margin space */
@media (max-width: 1400px) {
    .sidebar-ad {
        display: none;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: var(--bg-primary);
    margin-top: 20px;
    border-radius: 10px;
    box-shadow: 0 10px 30px var(--shadow-strong);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.header {
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.header h1 {
    margin: 0;
    font-size: 2.5em;
    color: var(--primary-color);
}

.beta-badge {
    font-size: 0.4em;
    background: var(--warning-color);
    color: var(--text-inverse);
    padding: 4px 8px;
    border-radius: 4px;
    margin-left: 10px;
    vertical-align: middle;
    font-weight: bold;
}

.nav {
    margin: 20px 0;
    text-align: center;
}

.nav a {
    margin: 0 15px;
    padding: 10px 20px;
    background: var(--primary-color);
    color: var(--text-inverse);
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.nav a:hover {
    background: var(--primary-hover);
}

.chart-filters {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.filter-group {
    display: inline-block;
    margin-right: 20px;
}

.filter-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--text-primary);
}

.filter-group select, .filter-group input {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.3s ease, background 0.3s ease;
}

.filter-group select:focus, .filter-group input:focus {
    border-color: var(--primary-color);
    outline: none;
}

/* Top Controls */
.top-controls {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--bg-primary);
    padding: 10px 15px;
    border-radius: 25px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: all 0.3s ease;
}

.top-controls:hover {
    box-shadow: 0 6px 20px var(--shadow-strong);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.username {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9em;
}

.auth-buttons {
    display: flex;
    gap: 10px;
}

.auth-buttons .btn {
    padding: 8px 16px;
    font-size: 0.9em;
    border-radius: 20px;
}

.auth-buttons .btn.login {
    background: var(--primary-color);
}

.auth-buttons .btn.login:hover {
    background: var(--primary-hover);
}

.logout-btn {
    background: var(--danger-color) !important;
    color: var(--text-inverse) !important;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9em;
    transition: background 0.3s ease;
}

.logout-btn:hover {
    background: #c82333 !important;
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
}