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

:root {
    /* Kolorystyka granatowa */
    --color-bg-main: #2c3e50;
    --color-bg-sidebar: #2c3e50;
    --color-bg-sidebar-hover: #34495e;
    --color-bg-card: #34495e;
    --color-bg-card-hover: #3d5368;
    --color-bg-input: #3d5368;
    
    /* Fioletowy gradient dla active */
    --color-active-start: #667eea;
    --color-active-end: #764ba2;
    
    /* Teksty - WSZYSTKIE BIAŁE */
    --color-text-primary: #ffffff;
    --color-text-secondary: #b8c5d6;
    --color-text-muted: #8899aa;
    
    /* Przyciski */
    --color-btn-primary: #667eea;
    --color-btn-primary-hover: #764ba2;
    --color-btn-secondary: #3d5368;
    
    /* Statusy */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--color-bg-main);
    color: var(--color-text-primary);
}

/* Layout */
.app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar - ZABLOKOWANY */
.sidebar {
    width: 260px;
    background: var(--color-bg-sidebar);
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 48px;
    height: 48px;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
}

/* Nawigacja */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 12px;
    margin-bottom: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    background: transparent;
    color: var(--color-text-primary);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    margin-bottom: 4px;
}

.nav-item:hover {
    background: var(--color-bg-sidebar-hover);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--color-active-start) 0%, var(--color-active-end) 100%);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* User info */
.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-active-start) 0%, var(--color-active-end) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: white;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.user-role {
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* Main Content */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 32px;
}

.page-header {
    margin-bottom: 32px;
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.page-subtitle {
    font-size: 16px;
    color: var(--color-text-secondary);
}

/* Karty */
.card {
    background: var(--color-bg-card);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.card-header {
    margin-bottom: 20px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--color-text-primary);
}

.card-subtitle {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* Grid */
.grid {
    display: grid;
    gap: 24px;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Statystyki */
.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--color-text-primary);
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* Przyciski */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

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

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

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

.btn-secondary:hover {
    background: var(--color-bg-sidebar-hover);
}

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

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-bg-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-size: 14px;
}

.form-select {
    cursor: pointer;
}

.form-select option {
    background: var(--color-bg-input);
    color: var(--color-text-primary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-btn-primary);
}

/* Statusy */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.status-badge.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.status-badge.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

/* Tabele */
.table-container {
    overflow-x: auto;
}

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

.table thead {
    background: rgba(0, 0, 0, 0.2);
}

.table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
}

.table td {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    font-size: 14px;
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

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

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

/* Responsive */
@media (max-width: 1024px) {
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .grid-cols-4,
    .grid-cols-3,
    .grid-cols-2 {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .main-content {
        margin-left: 0;
        padding: 16px;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
}

/* Alerty */
.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--color-warning);
    color: var(--color-warning);
}