/* Reset i podstawowe style */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

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

/* Header */
header {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    color: #2c3e50;
    font-size: 24px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info span {
    color: #666;
}

/* Navigation */
nav {
    background: #fff;
    padding: 0;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    overflow-x: auto;
}

nav a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: #666;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
    white-space: nowrap;
}

nav a:hover {
    background: #f8f9fa;
    color: #2c3e50;
}

nav a.active {
    color: #3498db;
    border-bottom-color: #3498db;
    font-weight: 600;
}

/* Main content */
main {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card {
    margin-bottom: 20px;
}

.card h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 20px;
}

/* Login */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 10px;
}

.login-box h2 {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    font-size: 18px;
    font-weight: normal;
}

.login-links {
    text-align: center;
    margin-top: 20px;
}

.login-links a {
    color: #3498db;
    text-decoration: none;
}

.login-links a:hover {
    text-decoration: underline;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group input[type="file"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 12px;
}

.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: normal;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.btn-primary {
    background: #3498db;
    color: #fff;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-secondary {
    background: #95a5a6;
    color: #fff;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.btn-small {
    padding: 5px 10px;
    font-size: 12px;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-error {
    background: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.alert-success {
    background: #efe;
    color: #3c3;
    border: 1px solid #cfc;
}

.alert-warning {
    background: #ffd;
    color: #cc3;
    border: 1px solid #ffc;
}

.alert-info {
    background: #eef;
    color: #33c;
    border: 1px solid #ccf;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Dashboard */
.dashboard {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.stat-card h3 {
    font-size: 14px;
    font-weight: normal;
    margin-bottom: 10px;
    opacity: 0.9;
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin-bottom: 20px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    background: #f8f9fa;
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: #2c3e50;
    border-bottom: 2px solid #ddd;
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid #eee;
}

.data-table tr:hover {
    background: #f8f9fa;
}

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

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-processing {
    background: #cfe2ff;
    color: #084298;
}

.status-sent {
    background: #d1e7dd;
    color: #0f5132;
}

.status-error {
    background: #f8d7da;
    color: #842029;
}

.log-info {
    background: #cfe2ff;
    color: #084298;
}

.log-success {
    background: #d1e7dd;
    color: #0f5132;
}

.log-warning {
    background: #fff3cd;
    color: #856404;
}

.log-error {
    background: #f8d7da;
    color: #842029;
}

/* Filters */
.filters {
    margin-bottom: 20px;
}

.filter-form {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.filter-form input,
.filter-form select {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}

/* Logs list */
.logs-list {
    max-height: 500px;
    overflow-y: auto;
}

.log-item {
    padding: 10px;
    border-bottom: 1px solid #eee;
    display: flex;
    gap: 15px;
}

.log-time {
    color: #666;
    font-size: 12px;
    min-width: 150px;
}

.log-message {
    flex: 1;
}

/* Details */
details {
    cursor: pointer;
}

details summary {
    color: #3498db;
    font-size: 12px;
}

details pre {
    margin-top: 10px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 4px;
    font-size: 12px;
    overflow-x: auto;
}

/* Product details */
.product-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 15px;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.detail-row strong {
    color: #2c3e50;
    font-weight: 600;
}

.detail-row div {
    color: #666;
}

.image-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.image-gallery img {
    cursor: pointer;
    transition: transform 0.2s;
}

.image-gallery img:hover {
    transform: scale(1.05);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    nav {
        flex-wrap: wrap;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .detail-row {
        grid-template-columns: 1fr;
        gap: 5px;
    }
}