:root {
    --bdb-blue: #002d5a;      /* Tamnija, kraljevska plava */
    --bdb-red: #d32f2f;       /* BDB crvena */
    --bdb-light-gray: #f8f9fa;
    --bdb-text: #333333;
    --bdb-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    background-color: #f0f2f5;
    color: var(--bdb-text);
    line-height: 1.6;
}

/* Navigacija */
nav {
    background: var(--bdb-blue);
    padding: 0 5%;
    height: 70px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link img {
    height: 50px;
    transition: transform 0.3s ease;
}

.logo-link img:hover {
    transform: scale(1.05);
}

.menu a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.menu a:hover {
    color: #ffffff;
}

/* Kartice i Kontejneri */
.container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

.card {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--bdb-shadow);
    border-top: 6px solid var(--bdb-red);
}

h1, h2, h3 {
    color: var(--bdb-blue);
    margin-top: 0;
}

/* Forme i Dugmad */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--bdb-blue);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: var(--bdb-blue);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0,45,90,0.1);
}

.btn {
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 0.85rem;
}

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

.btn-primary:hover {
    background: #004080;
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--bdb-red);
    color: white;
}

.btn-danger:hover {
    background: #b71c1c;
}

/* Tabele u Admin Panelu */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th {
    background: var(--bdb-light-gray);
    text-align: left;
    padding: 15px;
    color: var(--bdb-blue);
    border-bottom: 2px solid #eee;
}

td {
    padding: 15px;
    border-bottom: 1px solid #eee;
}

/* Flash poruke */
.flash-message {
    padding: 15px;
    background: #e3f2fd;
    color: #0d47a1;
    border-left: 5px solid #2196f3;
    margin-bottom: 20px;
    border-radius: 4px;
}