/* BackPRO - Compact Modern Dashboard Styles */

:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --bg-main: #f8fafc;
    --sidebar-bg: #0f172a;
    --sidebar-link: #94a3b8;
    --sidebar-link-active: #ffffff;
    --sidebar-link-hover: #1e293b;
    --card-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --border-color: #e2e8f0;
}

body {
    background-color: var(--bg-main);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem; /* Zmniejszona baza (14px zamiast 16px) */
    color: #1e293b;
    -webkit-font-smoothing: antialiased;
}

/* Global Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-hover);
}

/* App Shell */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    margin-left: 260px;
    transition: margin-left 0.25s ease;
}

.app-shell.is-collapsed .app-main {
    margin-left: 52px;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: width 0.25s ease;
    overflow: hidden;
}

.app-shell.is-collapsed .sidebar {
    width: 52px;
}

.sidebar__brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar__brand-text {
    color: #e2e8f0;
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.sidebar__brand-text strong {
    font-weight: 700;
    color: #fff;
}

.sidebar__collapse-btn {
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar__collapse-btn:hover {
    color: #e2e8f0;
    background: rgba(255,255,255,0.06);
}

.app-shell.is-collapsed .sidebar__collapse-icon {
    transform: rotate(180deg);
}

.app-shell.is-collapsed .sidebar__brand-text,
.app-shell.is-collapsed .sidebar__label,
.app-shell.is-collapsed .sidebar__toggle-arrow,
.app-shell.is-collapsed .sidebar__user-info,
.app-shell.is-collapsed .sidebar__group-links {
    display: none;
}

/* Sidebar Nav */
.sidebar__nav {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar__group {
    margin: 0;
}

.sidebar__group > summary {
    list-style: none;
}

.sidebar__group > summary::-webkit-details-marker {
    display: none;
}

.sidebar__group-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    color: #94a3b8;
    font-size: 0.835rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px;
    margin: 0 8px;
    transition: color 0.15s, background 0.15s;
    user-select: none;
}

.sidebar__group-toggle:hover {
    color: #e2e8f0;
    background: #1b2a3f;
}

.sidebar__group.is-active > .sidebar__group-toggle {
    color: #e2e8f0;
}

.sidebar__toggle-arrow {
    margin-left: auto;
    transition: transform 0.2s;
    opacity: 0.5;
}

.sidebar__group[open] > .sidebar__group-toggle .sidebar__toggle-arrow {
    transform: rotate(180deg);
}

.sidebar__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    opacity: 0.7;
}

.sidebar__label {
    white-space: nowrap;
}

.sidebar__group-links {
    padding: 2px 0 4px 0;
}

.sidebar__sublink {
    display: block;
    padding: 6px 14px 6px 52px;
    color: #94a3b8;
    font-size: 0.8rem;
    font-weight: 400;
    text-decoration: none;
    border-radius: 6px;
    margin: 1px 8px;
    transition: color 0.15s, background 0.15s;
}

.sidebar__sublink:hover {
    color: #e2e8f0;
    background: #1b2a3f;
}

.sidebar__sublink.is-active {
    color: #fff;
    background: #2e4f93;
    font-weight: 500;
}

/* Sidebar Footer */
.sidebar__footer {
    padding: 12px 14px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.sidebar__user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #334155;
    color: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
}

.sidebar__user-name {
    color: #e2e8f0;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar__user-logout {
    color: #64748b;
    font-size: 0.75rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.15s;
}

.sidebar__user-logout:hover {
    color: #e2e8f0;
}

/* Sidebar Backdrop (mobile) */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .app-main {
        margin-left: 0;
    }
    .app-shell.sidebar-open .sidebar {
        transform: translateX(0);
    }
    .app-shell.sidebar-open .sidebar-backdrop {
        display: block;
    }
}

/* Header - Slim */
header {
    background-color: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color) !important;
    padding: 0.5rem 1.25rem !important; /* Odchudzony header */
}

header h5 {
    font-size: 1rem; /* Mniejszy tytuł */
}

/* Cards - Compact */
.card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: var(--card-shadow);
}

.card-header {
    padding: 0.75rem 1rem; /* Mniejszy padding */
    font-size: 0.9rem;
    font-weight: 600;
}

.card-body {
    padding: 1rem;
}

/* Tables - High Density */
.table-container {
    background: #fff;
    border-radius: 0.5rem;
}

.table thead th {
    background-color: #f8fafc;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.7rem; /* Bardzo mały, czytelny label */
    letter-spacing: 0.05em;
    padding: 0.6rem 0.85rem; /* Ciasne komórki */
    border-bottom: 1px solid var(--border-color);
}

.table tbody td {
    padding: 0.6rem 0.85rem; /* Ciasne komórki */
    font-size: 0.85rem;
}

/* Stats Cards - Compact */
.stat-card {
    padding: 1rem;
}

.stat-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.25rem; /* Mniejsza wartość */
    font-weight: 700;
}

.stat-label {
    font-size: 0.75rem;
}

/* Badges - Small */
.badge {
    padding: 0.25em 0.6em;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Buttons - Slim */
.btn {
    border-radius: 0.375rem;
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

.btn-sm {
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
}

/* Main Content Padding */
main.p-4 {
    padding: 1.25rem !important; /* Mniejszy margines główny */
}

/* Forms - Compact */
.form-control, .form-select {
    padding: 0.4rem 0.6rem;
    font-size: 0.875rem;
    border-radius: 0.375rem;
}

.article-content {
    font-size: 0.95rem; /* Nieco mniejszy tekst artykułu */
    line-height: 1.6;
}