:root {
    --primary-color: #2196F3;
    --secondary-color: #1976D2;
    --background-color: #f5f5f5;
    --card-background: #ffffff;
    --text-color: #333333;
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    overflow-y: auto;
}

.main-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    padding: 10px 0;
    width: 100%;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-image {
    height: 60px;
}

.logo h1 {
    font-size: 1.2rem;
    margin: 0 0 0 40px;
    color: var(--primary-color);
}

.btn {
    padding: 8px 15px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-family: 'Roboto', sans-serif;
    font-weight: 500;
    transition: background 0.3s;
}

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

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

.btn-success {
    background: #4CAF50;
    color: white;
}

.btn-success:hover {
    background: #45a049;
}

.dashboard-container {
    width: 100%;
    padding: 20px 0;
}

.section-title {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.dashboard-card {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.card-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.dashboard-item {
    text-decoration: none;
    color: inherit;
}

.dashboard-card h3 {
    margin: 0.5rem 0;
    color: var(--primary-color);
}

.dashboard-card p {
    margin: 0;
    color: #666;
}

.quick-stats {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0.5rem 0;
}

.stat-text {
    font-size: 1.1rem;
    color: #666;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Horizontální menu */
.main-nav {
    background: #333;
    padding: 15px 0;
    margin-bottom: 30px;
}

.nav-links {
    display: flex;
    gap: 20px;
    margin: 0 2rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 4px;
    transition: background 0.3s;
}

.nav-link:hover {
    background: var(--background-color);
}

.logout-btn {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
}

.logout-btn:hover {
    background: #c0392b;
}

/* Metriky a karty */
.metrics-container {
    display: grid;
    grid-template-columns: repeat(6, 0.9fr);
    gap: 15px;
    margin: 20px 0;
    justify-content: center;
}

.metric-card {
    background: white;
    padding: 12px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-left: 4px solid transparent;
    max-width: 90%;
    text-align: center;
    position: relative;
    overflow: hidden;
    height: 200px;
    display: flex;
    flex-direction: column;
    padding-top: 5px;
    cursor: help;
}

/* Barevné rámečky podle úrovně */
.metric-card.level-1 {
    border-color: #4CAF50; /* zelená pro nízkou úroveň */
}

.metric-card.level-2 {
    border-color: #FFC107; /* žlutá pro střední úroveň */
}

.metric-card.level-3 {
    border-color: #FF9800; /* oranžová pro vysokou úroveň */
}

.metric-card.level-4 {
    border-color: #F44336; /* červená pro velmi vysokou úroveň */
}

.metric-card.level-5 {
    border-color: #9C27B0; /* fialová pro extrémní úroveň */
}

.metric-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-grow: 1;
    width: 100%;
    position: relative; /* Pro absolutní pozicování hodnoty */
}

.metric-title {
    font-weight: bold;
    text-align: center;
    margin-top: 5px;
}

.metric-code {
    color: #999;
    font-style: italic;
    font-size: 0.9em;
}

.metric-value {
    font-size: 2.5em;
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%, -50%); /* Přesné vycentrování */
}

.metric-interpretation {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding-top: 10px;
    border-top: 1px solid #eee;
    width: 100%;
    margin-top: auto;
}

.metric-interpretation i {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translate(-50%, -50%);
    font-size: 8em;
    opacity: 0.3;
    z-index: 1;
}

.metric-interpretation span {
    position: relative;
    z-index: 2;
}

.metric-card:hover::after {
    content: attr(title);
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.9em;
    white-space: nowrap;
    top: -30px;
    right: 0;
    z-index: 1000;
}

/* Formulář */
.search-form {
    background: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.search-form input[type="text"] {
    padding: 8px;
    margin: 0 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.search-form button {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

.search-form button:hover {
    background: #45a049;
}

/* Ikony */
.icon-low { color: #2ecc71; font-size: 1.5em; }
.icon-medium { color: #f1c40f; font-size: 1.5em; }
.icon-high { color: #e67e22; font-size: 1.5em; }
.icon-extreme { color: #e74c3c; font-size: 1.5em; }

.location-info {
    background: #e8f5e9;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.metric-code-info {
    position: absolute;
    top: 10px;
    right: 10px;
    color: #666;
    cursor: help;
}

.metric-code-info i {
    font-size: 1.1em;
}

.metric-code-info:hover::after {
    content: attr(title);
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.9em;
    white-space: nowrap;
    top: -30px;
    right: 0;
    z-index: 1000;
}

@media (max-width: 1200px) {
    .metrics-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .metrics-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .metrics-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .metric-card {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    .container {
        padding: 15px;
    }
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }
    .nav-links {
        flex-direction: column;
        align-items: center;
    }
}

.footer {
    width: 100%;
    background-color: #f8f9fa;
    border-top: 1px solid #dee2e6;
    padding: 20px 0;
    margin-top: 40px;
}

.citation {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.citation h3 {
    color: #555;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.citation p {
    margin-bottom: 0.3rem;
}

.citation ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

.citation ul li {
    margin-bottom: 10px;
}

.citation a {
    color: #666;
    text-decoration: none;
}

.citation a:hover {
    text-decoration: underline;
}

.tab-content {
    display: none;
    background: var(--card-background);
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}

.tab-content.active {
    display: block;
}

.input-group {
    display: flex;
    gap: 15px;
    align-items: flex-end;
    margin-bottom: 20px;
}

.input-field {
    flex: 1;
}

.input-field label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
}

.input-field input,
.input-field textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Roboto', sans-serif;
}

#results-container {
    margin-top: 30px;
}

.location-card {
    background: var(--card-background);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Společné styly pro formulářové prvky */
.form-control {
    padding: 8px;
    margin: 0 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Roboto', sans-serif;
}

/* Login page styles */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 2rem;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.login-title {
    text-align: center;
    margin-bottom: 2rem;
    color: #333;
}

.login-form .input-group {
    margin-bottom: 1.5rem;
}

.login-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
}

.login-form input[type="password"] {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.login-form input[type="password"]:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.login-form .button-group {
    text-align: center;
    margin-top: 2rem;
}

.login-form .btn-primary {
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
    width: 100%;
}