/* --- STYLOWANIE OGÓLNE --- */
:root {
    --bg-dark: #0a0f1f;
    --sidebar-bg: #101729;
    --panel-bg: #1a2238;
    --primary-blue: #3b82f6;
    --primary-blue-hover: #2563eb;
    --text-light: #e5e7eb;
    --text-dark: #9ca3af;
    --border-color: #374151;
    --green-accent: #34d399;
    --red-accent: #ef4444;
    --yellow-accent: #f59e0b;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    display: flex;
    min-height: 100vh;
}

/* --- GŁÓWNY LAYOUT --- */
.container {
    display: flex;
    width: 100%;
}

/* --- LEWY PANEL (SIDEBAR) --- */
.sidebar {
    background-color: var(--sidebar-bg);
    width: 280px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    color: var(--primary-blue);
}

.nav-menu ul, .tools ul {
    list-style: none;
}

.nav-menu li a, .tools li a {
    display: block;
    color: var(--text-dark);
    text-decoration: none;
    padding: 5px;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    transition: background-color 0.2s, color 0.2s;
}

.nav-menu li a:hover, .tools li a:hover {
    color: var(--text-light);
    background-color: var(--panel-bg);
}

.nav-menu li.active a, .tools li.active a {
    background-color: var(--panel-bg);
    color: var(--text-light);
    font-weight: 500;
}

.tools {
    margin-top: 2rem;
}

.tools-header {
    color: var(--text-dark);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    padding: 0 1rem;
}

.logout-btn {
    margin-top: auto;
    background-color: var(--primary-blue);
    color: white;
    border: none;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    text-align: center;
    transition: background-color 0.2s;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

/* --- GŁÓWNA TREŚĆ --- */
.main-content {
    flex-grow: 1;
    margin-left: 280px;
    padding: 2rem 3rem;
    min-height: 100vh;
    max-width: 80%;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* --- PRZYCISKI --- */
.btn {
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    border: none;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
    font-family: 'Poppins', sans-serif;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary {
    background-color: var(--panel-bg);
    color: var(--text-light);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #2a344c;
    color: var(--text-light);
}

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

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

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

.btn-danger:hover {
    background-color: #dc2626;
    color: white;
}

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

.btn-warning:hover {
    background-color: #d97706;
    color: white;
}

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

.btn-success:hover {
    background-color: #10b981;
    color: white;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

/* --- PANEL Z TABELĄ --- */
.content-panel {
    background-color: var(--panel-bg);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.domain-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.domain-table th, .domain-table td {
    padding: 1.2rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.domain-table thead th {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.9rem;
}

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

.domain-table td {
    font-size: 1rem;
}

.domain-table tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

.positive-change {
    color: var(--green-accent);
    font-weight: 500;
}

.negative-change {
    color: var(--red-accent);
    font-weight: 500;
}

.action-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-light);
    background-color: #2a344c;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: background-color 0.2s;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.action-link:hover {
    background-color: var(--primary-blue);
    color: white;
}

.action-link-delete {
    background-color: transparent;
    border: 1px solid var(--red-accent);
    color: var(--red-accent);
}

.action-link-delete:hover {
    background-color: var(--red-accent);
    color: white;
}

/* --- ALERTY --- */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(52, 211, 153, 0.1);
    border-left-color: var(--green-accent);
    color: var(--green-accent);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-left-color: var(--red-accent);
    color: var(--red-accent);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-left-color: var(--yellow-accent);
    color: var(--yellow-accent);
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    border-left-color: var(--primary-blue);
    color: var(--primary-blue);
}

/* --- FORMULARZE --- */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-light);
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-control::placeholder {
    color: var(--text-dark);
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* --- MODALS CUSTOM --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-popup {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: var(--text-light);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.modal-close:hover {
    background-color: var(--sidebar-bg);
    color: var(--text-light);
}

.modal-body {
    padding: 2rem;
    color: var(--text-light);
}

/* --- MODALS (Bootstrap override) --- */
.modal-content {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    color: var(--text-light);
}

.modal-body {
    color: var(--text-light);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

.btn-close {
    filter: invert(1);
}

/* --- PAGINACJA --- */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.page-item {
    list-style: none;
}

.page-link {
    padding: 0.5rem 1rem;
    background-color: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.page-link:hover {
    background-color: var(--panel-bg);
    color: var(--text-light);
}

.page-item.active .page-link {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    color: white;
}

.page-item.disabled .page-link {
    opacity: 0.5;
    cursor: not-allowed;
}

/* --- RESPONSYWNOŚĆ --- */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .domain-table {
        font-size: 0.9rem;
    }
    
    .domain-table th, .domain-table td {
        padding: 0.8rem 0.5rem;
    }
}

/* --- STRONY LOGOWANIA --- */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--bg-dark);
    padding: 2rem;
    margin: 0 auto;
}

.auth-card {
    background-color: var(--panel-bg);
    padding: 3rem;
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color);
}

.auth-logo {
    text-align: center;
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 2rem;
}

.auth-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.auth-link {
    text-align: center;
    margin-top: 1.5rem;
}

.auth-link a {
    color: var(--primary-blue);
    text-decoration: none;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* --- KARTY STATYSTYK --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--panel-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-dark);
    font-size: 0.9rem;
}

/* --- SEKCJE ZWIJANE --- */
.collapsible-header {
    cursor: pointer;
    padding: 1rem 1.5rem;
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s;
}

.collapsible-header:hover {
    background-color: #2a344c;
}

.collapsible-content {
    display: none;
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 8px 8px;
    padding: 1.5rem;
    margin-top: -1rem;
    margin-bottom: 1rem;
}

.collapsible-content.show {
    display: block;
}

/* --- FILTRY --- */
.filter-container {
    background-color: var(--panel-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.filter-row {
    display: flex;
    gap: 1rem;
    align-items: end;
    flex-wrap: wrap;
}

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

/* --- LOADING SPINNER --- */
.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-blue);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* --- BREADCRUMBS --- */
.breadcrumb {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.breadcrumb a {
    color: var(--primary-blue);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb-separator {
    margin: 0 0.5rem;
}

/* --- TOOLTIPS --- */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--sidebar-bg);
    color: var(--text-light);
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    white-space: nowrap;
    z-index: 1000;
    border: 1px solid var(--border-color);
}