:root {
    --primary-blue: #0056b3;
    --accent-yellow: #ffc107;
    --light-bg: #f8f9fa;
}

body {
    background-color: var(--light-bg);
    background-image: linear-gradient(120deg, #fdfbfb 0%, #ebedee 100%);
    min-height: 100vh;
}

.bg-primary {
    background-color: var(--primary-blue) !important;
}

.text-warning {
    color: var(--accent-yellow) !important;
}

.btn-warning {
    background-color: var(--accent-yellow);
    border-color: var(--accent-yellow);
}

.hero-section {
    background: linear-gradient(135deg, rgba(0, 64, 133, 0.9) 0%, rgba(0, 86, 179, 0.9) 100%);
    border-bottom: 5px solid var(--accent-yellow);
    backdrop-filter: blur(5px);
}

.card {
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    height: 100%;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.1);
}

.card-header {
    background-color: var(--primary-blue);
    background: linear-gradient(135deg, rgba(0, 64, 133, 0.95), rgba(0, 86, 179, 0.95));
    color: white;
    border-radius: 0 !important;
    font-weight: bold;
    text-align: center;
    padding: 1rem;
    border-bottom: 3px solid var(--accent-yellow);
}

.profile-detail {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.profile-detail strong {
    color: #495057;
    margin-right: 0.3rem;
}

.profile-value {
    color: #212529;
}

.profile-img {
    width: 100%;
    height: auto;
    display: block;
    border-bottom: 1px solid #dee2e6;
    background-color: #f8f9fa;
}

/* Category specific headers */
.card-header[data-category="Osobnost SG"] {
    background: linear-gradient(135deg, rgba(74, 0, 224, 0.9), rgba(142, 45, 226, 0.9));
}

.card-header[data-category="Studijní úspěchy"] {
    background: linear-gradient(135deg, rgba(25, 135, 84, 0.9), rgba(32, 201, 151, 0.9));
}

.card-header[data-category="Sportovní úspěchy"] {
    background: linear-gradient(135deg, rgba(253, 126, 20, 0.9), rgba(255, 193, 7, 0.9));
}

.round-btn {
    border-radius: 50px;
}

/* Navbar Glassmorphism */
.navbar {
    background-color: rgba(0, 86, 179, 0.9) !important;
    backdrop-filter: blur(10px);
}

.navbar-brand img {
    filter: brightness(0) invert(1);
}