* {
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
}

body {
    background-color: #f0f4f8;
    color: #1e293b;
}

/* Navigacija u Ecomore bojama */
.navbar {
    background-color: #0b2545;
    color: #ffffff;
    padding: 14px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid #e55812;
}

.nav-brand {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav-brand span {
    color: #e55812;
}

.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    margin-right: 22px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.nav-links a.active, .nav-links a:hover {
    color: #ffffff;
    border-bottom: 2px solid #e55812;
    padding-bottom: 4px;
}

.user-info {
    font-size: 0.9rem;
    color: #94a3b8;
}

.user-info strong {
    color: #fff;
}

.btn-logout {
    color: #f87171;
    text-decoration: none;
    margin-left: 15px;
    font-weight: 600;
}

/* Kontejner */
.container {
    max-width: 1250px;
    margin: 30px auto;
    padding: 0 20px;
}

.card {
    background: #ffffff;
    border-radius: 6px;
    padding: 22px;
    margin-bottom: 25px;
    box-shadow: 0 2px 4px rgba(11, 37, 69, 0.08);
    border: 1px solid #e2e8f0;
}

/* Zaštićeni ugovori */
.card-restricted {
    border-left: 5px solid #dc2626;
    background-color: #fffaf0;
}

.restricted-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.header-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.filter-bar {
    margin-bottom: 20px;
    background: #ffffff;
    padding: 12px 18px;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-bar a {
    text-decoration: none;
    color: #0b2545;
    padding: 6px 12px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.85rem;
    background: #e2e8f0;
}

.filter-bar a.filter-active {
    background: #0b2545;
    color: #ffffff;
}

/* Tabele */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
}

.data-table th, .data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.95rem;
}

.data-table th {
    background-color: #f8fafc;
    color: #0b2545;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.data-table tr:hover {
    background-color: #f1f5f9;
}

/* Oznake i bedževi */
.badge {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 700;
}

.badge.trade {
    background-color: #e0f2fe;
    color: #0369a1;
}

.badge.status-available {
    background-color: #dcfce7;
    color: #15803d;
}

.badge.status-on-project {
    background-color: #fef3c7;
    color: #b45309;
}

.badge.danger {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Dugmad */
.btn {
    padding: 8px 16px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    font-size: 0.85rem;
}

.btn.primary {
    background-color: #0b2545;
    color: #ffffff;
}

.btn.primary:hover {
    background-color: #133b5c;
}

.btn.accent {
    background-color: #e55812;
    color: #ffffff;
}

.btn.accent:hover {
    background-color: #c94608;
}

.btn.secondary {
    background-color: #e2e8f0;
    color: #0b2545;
}

.btn.secondary:hover {
    background-color: #cbd5e1;
}

/* Forme */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.85rem;
    color: #334155;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-size: 0.95rem;
}

.inline-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
}

.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.alert.success { background-color: #dcfce7; color: #166534; }
.alert.danger { background-color: #fee2e2; color: #991b1b; }
.alert.info { background-color: #e0f2fe; color: #075985; }

/* Login Ekran */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #0b2545;
}

.login-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 8px;
    width: 380px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25);
    border-top: 4px solid #e55812;
}

.login-card h2 {
    color: #0b2545;
    margin-bottom: 6px;
}

.login-card h2 span {
    color: #e55812;
}

.login-card .subtitle {
    color: #64748b;
    font-size: 0.85rem;
    margin-bottom: 24px;
}

/* Modal stilovi */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 37, 69, 0.6);
    overflow: auto;
}

.modal-content {
    background-color: #ffffff;
    margin: 8% auto;
    padding: 25px 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 480px;
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border-top: 4px solid #e55812;
}

.close {
    position: absolute;
    right: 18px;
    top: 12px;
    font-size: 26px;
    cursor: pointer;
    color: #64748b;
}

.close:hover {
    color: #0b2545;
}