/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    background-color: var(--color-bg-body);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    min-height: 100vh; /* Fallback for older browsers */
    min-height: 100dvh; /* Dynamic viewport height - adjusts with address bar */
    display: flex;
    flex-direction: column;
}

.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* Fallback for older browsers */
    min-height: 100dvh; /* Dynamic viewport height - adjusts with address bar */
}

.site-main {
    flex: 1;
    width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

mark {
    background-color: var(--color-mark-bg);
    color: var(--color-mark-text);
    padding: 0.1em 0.2em;
    border-radius: var(--radius-sm);
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: var(--spacing-xl) auto 0;
    padding: 0 var(--spacing-md);
}

/* Footer */
.site-footer {
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
    background-color: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-lg); }

/* SignalR Connection Status */
.connection-status {
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: var(--color-status-disconnected);
    vertical-align: middle;
    margin-left: var(--spacing-sm);
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
    cursor: help;
}

.connection-status--connected {
    background-color: var(--color-status-connected);
    box-shadow: 0 0 4px var(--color-status-connected-shadow);
}

.connection-status--disconnected {
    background-color: var(--color-status-error);
    animation: status-pulse 2s infinite;
}

@keyframes status-pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

time,
[title] {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}