/* === Globalne Style Panelu Admina === */
:root {
    --admin-bg: #f4f7fa;
    --sidebar-bg: #2c3e50;
    --sidebar-width: 250px;
    --header-height: 70px;
    --text-light: #ecf0f1;
    --text-dark: #34495e;
    --accent-color: #1E7399; /* Zaktualizowano z #3498db dla kontrastu WCAG AA */
}

body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background-color: var(--admin-bg);
    color: var(--text-dark);
}

.admin-layout {
    display: flex;
}

a {
    color: var(--accent-color);
}

/* === Sidebar === */
.admin-sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    color: var(--text-light);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    padding: 20px;
    box-sizing: border-box;
}
.admin-sidebar .logo {
    text-align: center;
    margin-bottom: 40px;
}
.admin-sidebar .logo img {
    max-width: 150px;
}
.admin-sidebar .admin-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.admin-sidebar .admin-nav a {
    display: block;
    padding: 12px 15px;
    color: var(--text-light);
    text-decoration: none;
    border-radius: 5px;
    margin-bottom: 5px;
    transition: background-color 0.2s ease;
}
.admin-sidebar .admin-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}
/* Style dla podmenu w nawigacji */
.admin-sidebar .admin-nav ul li span.nav-parent {
    display: block;
    padding: 12px 15px;
    color: var(--text-light);
    font-weight: 600;
    cursor: default;
}
.admin-sidebar .admin-nav .submenu {
    list-style: none;
    padding-left: 15px;
    margin-top: 5px;
}
.admin-sidebar .admin-nav .submenu a {
    font-weight: normal;
    font-size: 0.9em;
}


/* === Główna Zawartość === */
.admin-main-content {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
}
.admin-header {
    height: var(--header-height);
    background-color: #fff;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #e0e0e0;
}
.admin-page-content {
    padding: 30px;
}
.admin-page-content h1, .admin-page-content h2, .admin-page-content h3 {
    margin-top: 0;
}
.admin-page-content h1 {
    font-size: 1.8em;
}

/* === Alerty i Komunikaty === */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: .25rem;
}
.alert-success {
    color: #0f5132;
    background-color: #d1e7dd;
    border-color: #badbcc;
}
.alert-danger {
    color: #842029;
    background-color: #f8d7da;
    border-color: #f5c2c7;
}

/* === Pulpit (Dashboard) === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}
.stat-card {
    background-color: #fff;
    padding: 25px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    text-align: center;
}
.stat-value {
    display: block;
    font-size: 2.5em;
    font-weight: 600;
    color: var(--accent-color);
}
.stat-label {
    display: block;
    margin-top: 10px;
    font-size: 0.9em;
    color: #7f8c8d;
}

/* === Zakładki (Tabs) === */
.tabs-container .tabs-nav {
    border-bottom: 2px solid #dee2e6;
    margin-bottom: 20px;
}
.tabs-container .tab-link {
    background-color: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    color: #6c757d;
    margin-bottom: -2px;
}
.tabs-container .tab-link.active {
    color: var(--accent-color);
    border-color: var(--accent-color);
}
.tabs-container .tab-content {
    display: none;
}
.tabs-container .tab-content.active {
    display: block;
}

/* === Tabele === */
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.table th, .table td {
    border-bottom: 1px solid #e0e0e0;
    padding: 12px 15px;
    text-align: left;
    vertical-align: middle;
}
.table th {
    background-color: var(--admin-bg);
    font-weight: 600;
}
.table tbody tr:hover {
    background-color: #f1f1f1;
}

/* === Formularze === */
.form-control, .form-select, .form-check-input {
    margin-bottom: 1.5em;
}
.form-label, .form-check-label {
    font-weight: 600;
    display: block;
    margin-bottom: 8px;
}
.form-control, .form-select {
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: 'Poppins', sans-serif;
    font-size: 1em;
}
textarea.form-control {
    resize: vertical;
    min-height: 120px;
}
.form-text {
    font-size: 0.875em;
    color: #6c757d;
}

/* === Przyciski === */
.btn {
    border: 1px solid transparent;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    transition: all 0.2s ease;
}
.btn-primary {
    background-color: var(--accent-color);
    color: white;
}
.btn-primary:hover {
    background-color: #1a6384;
}
.btn-secondary {
    background-color: #6c757d;
    color: white;
}
.btn-secondary:hover {
    background-color: #5a6268;
}
.btn-outline-danger {
    border-color: #dc3545;
    color: #dc3545;
    background-color: transparent;
}
.btn-outline-danger:hover {
    background-color: #dc3545;
    color: white;
}
.btn-outline-primary {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background-color: transparent;
}
.btn-outline-primary:hover {
    background-color: var(--accent-color);
    color: white;
}
.btn-sm {
    padding: 5px 10px;
    font-size: 0.8em;
}

/* === Formularz Kampanii === */
.campaign-form {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 30px;
}
.form-main {
    background-color: #fff;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.sidebar-box {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}
.sidebar-box h3 {
    margin-top: 0;
    font-size: 1.2em;
}

/* === Wykresy na stronie statystyk === */
.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* === Klasy pomocnicze === */
.d-inline { display: inline; }
.text-end { text-align: right; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.w-100 { width: 100%; }

/* Klasa ukrywająca element wizualnie, ale dostępna dla czytników ekranu */
.visually-hidden, .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}