/* MODERNI STILOVI SA ANIMACIJAMA */
:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --light: #ecf0f1;
    --dark: #34495e;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    --gradient-warning: linear-gradient(135deg, #f39c12 0%, #e74c3c 100%);
    --shadow: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-hover: 0 15px 40px rgba(0,0,0,0.2);
    --radius: 12px;
}

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

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ANIMACIJE */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* NAVBAR */
.navbar {
    background: var(--gradient-primary);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideIn 0.5s ease;
}

.nav-brand {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-prijava {
    background: var(--gradient-success);
    color: white;
    border: none;
    padding: 12px 25px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-size: 14px;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.btn-prijava:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
}

/* GLAVNI NASLOV */
.glavni-naslov {
    text-align: center;
    font-size: 36px;
    color: var(--primary);
    margin: 50px 0 40px 0;
    font-weight: 700;
    animation: fadeIn 0.6s ease;
}

/* GRID & WRAPPER */
.glavni-sadrzaj-wrapper {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

#cetiriProzoraGrid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    animation: fadeIn 0.8s ease;
}

/* KARTICE */
.prozor-kartica {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    text-align: left;
    border-top: 5px solid var(--secondary);
    transition: all 0.3s ease;
    animation: fadeIn 0.6s ease;
}

.prozor-kartica:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.prozor-kartica img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.prozor-kartica:hover img {
    transform: scale(1.1);
}

.card-content {
    padding: 25px;
}

.prozor-kartica h3 {
    margin: 0 0 10px 0;
    color: var(--primary);
    font-size: 20px;
}

.prozor-kartica p {
    margin: 0;
    font-size: 15px;
    color: #666;
}

/* RECENZIJE KONTENER */
.recenzije-kontejner {
    flex: 0 0 350px;
    background: white;
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    height: fit-content;
    position: sticky;
    top: 100px;
    animation: fadeIn 0.8s ease;
}

.recenzije-kontejner h3 {
    margin-top: 0;
    color: var(--primary);
    border-bottom: 3px solid var(--warning);
    padding-bottom: 15px;
    font-size: 22px;
}

.recenzije-kontejner input, 
.recenzije-kontejner textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
    font-family: inherit;
    transition: border-color 0.3s;
}

.recenzije-kontejner input:focus, 
.recenzije-kontejner textarea:focus {
    outline: none;
    border-color: var(--secondary);
}

.recenzije-kontejner textarea {
    height: 100px;
    resize: vertical;
}

.btn-objavi {
    width: 100%;
    background: var(--gradient-primary);
    color: white;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-objavi:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* KOMENTARI */
#listaKomentara {
    margin-top: 20px;
    max-height: 400px;
    overflow-y: auto;
}

.komentar-prozor {
    background: #f8f9fa;
    padding: 15px;
    margin-bottom: 12px;
    border-left: 5px solid var(--success);
    border-radius: 8px;
    font-size: 14px;
    animation: slideIn 0.3s ease;
    transition: all 0.3s;
}

.komentar-prozor:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.komentar-prozor.kritika {
    border-left-color: var(--danger);
    background: #fff5f5;
}

/* MODALI */
.modal-okvir {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    justify-content: center;
    align-items: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal-sadrzaj {
    background: white;
    padding: 35px;
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: bounce 0.5s ease;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary);
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--secondary);
}

.modal-gumbi {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 25px;
}

/* DUGMAD */
.btn-success { 
    background: var(--gradient-success); 
    color: white; 
    padding: 10px 20px; 
    border: none; 
    border-radius: 8px; 
    cursor: pointer;
    transition: all 0.3s;
}
.btn-success:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(46, 204, 113, 0.4); }

.btn-success-green { 
    background: var(--gradient-success); 
    color: white; 
    padding: 10px 20px; 
    border: none; 
    border-radius: 8px; 
    cursor: pointer;
    transition: all 0.3s;
}
.btn-success-green:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(46, 204, 113, 0.4); }

.btn-orange { 
    background: var(--gradient-warning); 
    color: white; 
    padding: 10px 20px; 
    border: none; 
    border-radius: 8px; 
    cursor: pointer;
    transition: all 0.3s;
}
.btn-orange:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(243, 156, 18, 0.4); }

.btn-gray { 
    background: #95a5a6; 
    color: white; 
    padding: 10px 20px; 
    border: none; 
    border-radius: 8px; 
    cursor: pointer;
    transition: all 0.3s;
}

.btn-danger { 
    background: var(--gradient-warning); 
    color: white; 
    padding: 10px 20px; 
    border: none; 
    border-radius: 8px; 
    cursor: pointer;
    transition: all 0.3s;
}

.btn-danger-small { 
    background: var(--danger); 
    color: white; 
    padding: 6px 12px; 
    border: none; 
    border-radius: 6px; 
    cursor: pointer; 
    font-size: 12px;
    transition: all 0.3s;
}
.btn-danger-small:hover { transform: scale(1.1); }

.btn-blue { 
    background: var(--secondary); 
    color: white; 
    padding: 10px 20px; 
    border: none; 
    border-radius: 8px; 
    cursor: pointer;
    transition: all 0.3s;
}
.btn-blue:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4); }

.btn-print { 
    background: var(--primary); 
    color: white; 
    padding: 12px 25px; 
    border: none; 
    border-radius: 8px; 
    cursor: pointer; 
    width: 100%;
    transition: all 0.3s;
}
.btn-print:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(44, 62, 80, 0.4); }

.btn-sm-green { 
    background: var(--success); 
    color: white; 
    padding: 6px 12px; 
    border: none; 
    border-radius: 6px; 
    cursor: pointer; 
    font-size: 12px;
    transition: all 0.3s;
}
.btn-sm-green:hover { transform: scale(1.1); }

.btn-sm-red { 
    background: var(--danger); 
    color: white; 
    padding: 6px 12px; 
    border: none; 
    border-radius: 6px; 
    cursor: pointer; 
    font-size: 12px;
    transition: all 0.3s;
}
.btn-sm-red:hover { transform: scale(1.1); }

/* TABELA */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    margin-top: 20px;
    box-shadow: var(--shadow);
    border-radius: var(--radius);
    overflow: hidden;
    animation: fadeIn 0.6s ease;
}

table thead {
    background: var(--gradient-primary);
    color: white;
}

table th, table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

table tbody tr {
    transition: all 0.3s;
}

table tbody tr:hover {
    background-color: #f8f9fa;
    transform: scale(1.01);
}

table button {
    margin: 3px;
    padding: 6px 10px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    color: white;
    font-size: 12px;
    transition: all 0.3s;
}

/* ALERTI */
.alert-error {
    background: linear-gradient(135deg, #fdecea 0%, #fadbd8 100%);
    color: #c0392b;
    padding: 20px;
    border-left: 5px solid #c0392b;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: bold;
    animation: slideIn 0.4s ease;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
    padding: 20px;
    border-left: 5px solid var(--warning);
    border-radius: 8px;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    padding: 20px;
    border-left: 5px solid var(--success);
    border-radius: 8px;
    margin-bottom: 20px;
    animation: slideIn 0.4s ease;
}

.status-red { color: var(--danger); font-weight: bold; }
.status-green { color: var(--success); font-weight: bold; }

/* CARD PANEL */
.card-panel {
    background: white;
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    animation: fadeIn 0.6s ease;
}

.editor-box {
    background: #f8f9fa;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 2px solid #eee;
    transition: all 0.3s;
}

.editor-box:hover {
    border-color: var(--secondary);
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.history-item {
    background: white;
    padding: 18px;
    margin-bottom: 12px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    animation: slideIn 0.3s ease;
    transition: all 0.3s;
    border-left: 5px solid var(--secondary);
}

.history-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.12);
}

/* BACKUP DUGME */
.backup-section {
    background: white;
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-top: 20px;
    text-align: center;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .glavni-sadrzaj-wrapper { flex-direction: column; }
    #cetiriProzoraGrid { width: 100%; grid-template-columns: 1fr; }
    .recenzije-kontejner { width: 100%; position: static; }
}

@media (max-width: 768px) {
    .navbar { flex-direction: column; gap: 15px; padding: 20px; }
    .glavni-naslov { font-size: 28px; }
    table { font-size: 13px; }
    table th, table td { padding: 10px; }
}