/* Reset e configurações base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-main);
    line-height: var(--line-height);
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: var(--max-width-container);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
header {
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow);
    overflow: visible;
    position: relative;
    z-index: 10;
}

header h1 {
    font-size: 28px;
    margin-bottom: var(--spacing-xs);
}

header .subtitle {
    font-size: 14px;
    opacity: 0.9;
}

header .source-info {
    font-size: 12px;
    margin-top: var(--spacing-xs);
    opacity: 0.8;
}

header .source-info a {
    color: var(--text-white);
    text-decoration: underline;
}

header .source-info a:hover {
    opacity: 1;
}

header .current-datetime {
    font-size: 14px;
    margin-top: 8px;
    opacity: 0.85;
    color: #e8f5e8;
    font-weight: 500;
    text-align: center;
    font-family: var(--font-family-mono);
}

/* Seções */
section {
    margin: var(--spacing-xl) 0;
}

h2 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-lg);
    font-size: 24px;
}

h3 {
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    font-size: 20px;
}

/* Links */
a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Footer */
footer {
    background-color: #263238;
    color: #eceff1;
    padding: var(--spacing-xl) 0;
    margin-top: 60px;
    text-align: center;
}

footer p {
    margin: var(--spacing-xs) 0;
    font-size: 14px;
}

footer a {
    color: #81c784;
}

footer a:hover {
    color: #a5d6a7;
}

footer .samu-link {
    color: #ff4444 !important;
    text-decoration: none;
    padding: 2px 8px;
    border-radius: 4px;
    background-color: rgba(255, 68, 68, 0.1);
}

footer .samu-link:hover {
    background-color: rgba(255, 68, 68, 0.2);
    color: #ff2222 !important;
}

/* Footer desktop - layout horizontal */
@media (min-width: 769px) {
    .footer-line {
        display: inline;
        margin-bottom: 0;
        white-space: nowrap;
    }
    
    .footer-line:not(:last-child)::after {
        content: " | ";
        margin: 0 8px;
        color: #666;
    }
    
    .footer-copyright {
        display: inline;
        white-space: nowrap;
    }
    
    .footer-emergency {
        display: inline;
        white-space: nowrap;
    }
    
    .footer-contact {
        white-space: nowrap;
    }
    
    .emergency-text {
        white-space: nowrap;
    }
    
    footer .version-info {
        background-color: var(--primary-color);
        color: white;
        padding: 2px 6px;
        border-radius: 4px;
        font-size: 12px;
        font-weight: bold;
        margin: 0 4px;
    }
    
    footer .samu-link,
    footer .feedback-link {
        white-space: nowrap;
    }
}

/* Utilidades */
.hidden {
    display: none !important;
    pointer-events: none !important;
}

.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }