/* OSINT Platform v5.0 - CSS Principal */
:root {
    --primary: #667eea;
    --primary-dark: #5568d3;
    --secondary: #764ba2;
    --success: #28a745;
    --danger: #dc3545;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --border: #dee2e6;
    --radius: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.site-header {
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.logo .version {
    font-size: 0.75rem;
    color: var(--gray);
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
}

.nav-menu a {
    color: var(--dark);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    transition: all 0.3s;
}

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

.nav-menu .nav-admin {
    background: var(--primary);
    color: white;
}

.nav-toggle {
    display: none;
}

/* Main */
.site-content {
    flex: 1;
    padding: 2rem 0;
}

/* Footer */
.site-footer {
    background: var(--dark);
    color: white;
    padding: 2rem 0;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: #adb5bd;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-block {
    width: 100%;
}

/* Cards */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card h3 a {
    color: var(--dark);
    text-decoration: none;
}

.card h3 a:hover {
    color: var(--primary);
}

/* Stats Grid */
.stats-grid, .kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card, .kpi-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-icon, .kpi-icon {
    font-size: 2.5rem;
}

.stat-value, .kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label, .kpi-label {
    color: var(--gray);
    font-size: 0.875rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
}

.alert-success {
    background: #d4edda;
    color: #155724;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.login-card {
    background: white;
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--primary);
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
}

/* Page Header */
.page-header {
    margin-bottom: 2rem;
}

.breadcrumb {
    color: var(--gray);
    margin-bottom: 1rem;
}

.breadcrumb a {
    color: var(--gray);
    text-decoration: none;
}

/* Utilities */
.text-center { text-align: center; }
.text-muted { color: var(--gray); }

/* Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        flex-direction: column;
        gap: 4px;
        background: none;
        border: none;
        cursor: pointer;
    }
    
    .nav-toggle span {
        width: 24px;
        height: 3px;
        background: var(--dark);
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
.header-container {    display: flex;    justify-content: center;    align-items: center;    width: 100%;    margin-bottom: 20px;}.header-container img {    max-width: 100%;    height: auto;    display: block;}

}