/* Zmienne CSS - Nowoczesna paleta kolorów */
:root {
    --primary-color: #667eea;
    --primary-dark: #5a6fd8;
    --secondary-color: #764ba2;
    --success-color: #48bb78;
    --danger-color: #f56565;
    --warning-color: #ed8936;
    --info-color: #4299e1;
    --light-color: #f7fafc;
    --dark-color: #2d3748;
    --gray-light: #e2e8f0;
    --gray: #a0aec0;
    --gray-dark: #718096;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 10px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f8f9fa;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Stylowanie dla strony logowania */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.login-card h1 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.login-card p {
    margin-bottom: 20px;
    color: var(--gray-color);
}

.login-info {
    margin-top: 20px;
    padding: 15px;
    background-color: #e9ecef;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

/* Formularze */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

/* Przyciski */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

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

.btn-success {
    background-color: var(--success-color);
}

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

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

.btn-info {
    background-color: var(--info-color);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

/* Nagłówek */
.header {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin-left: 20px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    padding: 5px 10px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: var(--primary-color);
    color: white;
}

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

.user-info span {
    margin-right: 10px;
}

/* Dashboard */
.dashboard-header {
    margin: 30px 0;
}

.dashboard-header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-card h3 {
    margin-bottom: 15px;
    color: var(--gray);
    font-size: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Nowoczesna lista pracowników - styl tabelaryczny */
.employees-table-container {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 30px;
}

.employees-table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--gray-light);
    background: #f8f9fa;
}

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

.employees-table th {
    background: var(--primary-color);
    color: white;
    padding: 15px 20px;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
}

.employees-table td {
    padding: 15px 20px;
    border-bottom: 1px solid var(--gray-light);
    vertical-align: middle;
}

.employees-table tr:last-child td {
    border-bottom: none;
}

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

.employee-table-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
    margin-right: 12px;
}

.employee-table-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.employee-table-name {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 1rem;
}

.employee-table-details {
    font-size: 0.85rem;
    color: var(--gray-dark);
}

.employee-table-contact {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-email, .contact-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--gray-dark);
}

.employee-table-department {
    background: var(--primary-color);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    display: inline-block;
}

.employee-table-position {
    color: var(--dark-color);
    font-weight: 500;
}

.employee-table-date {
    color: var(--gray-dark);
    font-size: 0.85rem;
}

.employee-table-actions {
    display: flex;
    gap: 8px;
}

/* Quick actions */
.quick-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.quick-action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: white;
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    flex: 1;
    min-width: 200px;
    justify-content: center;
}

.quick-action-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* Table responsive */
.table-responsive {
    overflow-x: auto;
}

/* Search i filtry */
.search-box {
    position: relative;
    width: 300px;
}

.search-box input {
    width: 100%;
    padding: 10px 12px 10px 40px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cpath d='m21 21-4.3-4.3'%3E%3C/path%3E%3C/svg%3E") no-repeat 12px center;
}

.search-box input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

.filters-bar {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    display: flex;
    gap: 16px;
    align-items: end;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--dark-color);
    font-size: 0.9rem;
}

.filter-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    background: white;
    cursor: pointer;
}

.filter-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-item {
    background: white;
    padding: 16px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray-dark);
}

/* Alerty */
.alert-section {
    margin-bottom: 40px;
}

.alert-section h2 {
    margin-bottom: 20px;
}

.alerts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.alert-card {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.alert-card h3 {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.alert-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #f5f5f5;
}

.alert-date {
    color: var(--danger-color);
    font-weight: 500;
}

.no-alerts {
    color: var(--gray);
    font-style: italic;
    text-align: center;
    padding: 20px 0;
}

.alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Form grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

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

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

.data-table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

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

/* Paginacja */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 30px;
}

.pagination-btn {
    padding: 8px 12px;
    border: 1px solid #ddd;
    background: white;
    color: var(--dark-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.pagination-btn:hover:not(.disabled) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-dark);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    margin-bottom: 10px;
    color: var(--gray-dark);
}

.empty-state p {
    margin-bottom: 30px;
    color: var(--gray);
}

/* Modal podglądu */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-dark);
    padding: 5px;
}

.modal-close:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 0;
}

.employee-profile {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 400px;
}

.profile-sidebar {
    background: var(--primary-color);
    color: white;
    padding: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 15px;
}

.profile-name {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.profile-position {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 15px;
}

.profile-contact {
    width: 100%;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    font-size: 1rem;
    width: 20px;
}

.profile-content {
    padding: 25px;
    background: white;
}

.section {
    margin-bottom: 25px;
}

.section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid #eee;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
}

.equipment-card {
    background: #f8f9fa;
    padding: 15px;
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
}

.equipment-card h5 {
    margin-bottom: 8px;
    color: var(--dark-color);
}

.equipment-card p {
    font-size: 0.8rem;
    color: var(--gray-dark);
    margin: 2px 0;
}

.no-equipment {
    text-align: center;
    color: var(--gray);
    font-style: italic;
    padding: 20px;
}

.modal-actions {
    padding: 20px;
    border-top: 1px solid #eee;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* Stopka */
footer {
    background: var(--dark-color);
    color: white;
    padding: 30px 0;
    margin-top: 50px;
    text-align: center;
}

/* Responsywność */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        padding: 10px 0;
    }
    
    .nav-menu {
        margin: 15px 0;
    }
    
    .nav-menu li {
        margin: 0 10px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .employees-table-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .search-box {
        width: 100%;
    }
    
    .filters-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        min-width: auto;
    }
    
    .quick-actions {
        flex-direction: column;
    }
    
    .quick-action-btn {
        min-width: auto;
    }
    
    .employee-table-actions {
        flex-direction: column;
        gap: 5px;
    }
    
    .employee-table-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .employee-profile {
        grid-template-columns: 1fr;
    }
    
    .profile-sidebar {
        padding: 20px;
    }
    
    .modal-content {
        margin: 10px;
    }
    
    .alerts-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .employees-table {
        min-width: 1000px;
    }
    
    .table-responsive {
        border-radius: var(--border-radius-lg);
        box-shadow: var(--shadow);
    }
}

/* Animacje */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}