/* ===== CSS VARIABLES ===== */
:root {
    --lpg-navy:          #005480;
    --lpg-navy-mid:      #006a9e;
    --lpg-blue:          #1a5fa8;
    --lpg-blue-light:    #2196f3;
    --lpg-orange:        #f5a623;
    --lpg-gray-bg:       #f0f2f5;
    --lpg-gray-light:    #f8f9fa;
    --lpg-border:        #e3e6ea;
    --lpg-text:          #1a2332;
    --lpg-text-muted:    #6b7a8f;
}

/* ===== RESET / BASE ===== */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--lpg-gray-bg);
    color: var(--lpg-text);
    font-size: .9rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== TOP HEADER BAR ===== */
.lpg-header {
    background: #005480;
    border-bottom: none;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.lpg-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .5rem 1.5rem;
    gap: 1rem;
}

.lpg-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    text-decoration: none;
}

.lpg-brand img {
    height: 40px;
    width: auto;
}

.lpg-brand-text .lpg-tagline-1 {
    font-size: .8rem;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: .05em;
    line-height: 1.2;
}

.lpg-brand-text .lpg-tagline-2 {
    font-size: .7rem;
    color: rgba(255,255,255,.65);
    letter-spacing: .02em;
}

.lpg-phone {
    font-size: .9rem;
    color: #fff;
    font-weight: 600;
    white-space: nowrap;
}

/* ===== NAVIGATION BAR ===== */
.lpg-navbar {
    background: var(--lpg-navy);
    padding: 0 1.5rem;
    position: sticky;
    top: 56px;
    z-index: 1020;
    box-shadow: 0 2px 8px rgba(0,0,0,.3);
}

.lpg-navbar .navbar-nav {
    gap: .1rem;
}

.lpg-navbar .nav-link {
    color: rgba(255,255,255,.8) !important;
    font-size: .82rem;
    font-weight: 500;
    padding: .65rem .9rem !important;
    border-radius: 4px;
    transition: background .15s, color .15s;
    display: flex;
    align-items: center;
    gap: .3rem;
    white-space: nowrap;
}

.lpg-navbar .nav-link:hover {
    background: rgba(255,255,255,.1);
    color: #fff !important;
}

.lpg-navbar .nav-link.active {
    background: #0086cd;
    color: #fff !important;
    font-weight: 600;
}

.lpg-navbar .nav-link-user {
    color: rgba(255,255,255,.45) !important;
    font-size: .8rem;
    cursor: default;
}

.lpg-navbar .nav-link-logout {
    color: rgba(255,255,255,.8) !important;
}

.lpg-navbar .nav-link-logout:hover {
    background: rgba(220,53,69,.25);
    color: #fff !important;
}

.lpg-navbar .navbar-toggler {
    border-color: rgba(255,255,255,.3);
    padding: .3rem .6rem;
}

.lpg-navbar .navbar-toggler-icon {
    filter: invert(1);
}

/* ===== MAIN CONTENT ===== */
main.lpg-main {
    flex: 1;
    padding: 1.75rem 1.5rem;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

/* ===== PAGE HEADER ===== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: .75rem;
}

.page-header h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--lpg-navy);
    margin: 0;
    display: flex;
    align-items: center;
    gap: .4rem;
}

/* ===== CARDS ===== */
.lpg-card {
    background: #fff;
    border: 1px solid var(--lpg-border);
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
    overflow: hidden;
}

.lpg-card-header {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .82rem;
    font-weight: 700;
    color: var(--lpg-navy);
    text-transform: uppercase;
    letter-spacing: .06em;
    background: var(--lpg-gray-light);
    border-bottom: 1px solid var(--lpg-border);
    padding: .7rem 1.1rem;
}

.lpg-card-header i {
    font-size: 1rem;
    color: var(--lpg-orange);
}

.lpg-card-body {
    padding: 1.25rem 1.1rem;
}

.lpg-card > .row,
.lpg-card > form,
.lpg-card > dl {
    padding: 1.25rem 1.1rem;
}

/* ===== STAT CARDS ===== */
.stat-card {
    background: #fff;
    border: 1px solid var(--lpg-border);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
    transition: box-shadow .15s;
}

.stat-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,.1); }

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-card-icon.blue   { background: #e3edf8; color: var(--lpg-navy-mid); }
.stat-card-icon.orange { background: #fef5e4; color: var(--lpg-orange); }
.stat-card-icon.green  { background: #e8f5e9; color: #2e7d32; }
.stat-card-icon.yellow { background: #fff8e1; color: #f57f17; }
.stat-card-icon.teal   { background: #e0f2f1; color: #00796b; }

.stat-card-value {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
    color: var(--lpg-text);
}

.stat-card-label {
    font-size: .78rem;
    color: var(--lpg-text-muted);
    margin-top: .15rem;
}

/* ===== TABLES ===== */
.table-lpg {
    font-size: .85rem;
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
}

.table-lpg thead tr th {
    background: #005480;
    color: rgba(255,255,255,.9);
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    padding: .65rem .9rem;
    border: none;
    white-space: nowrap;
}

.table-lpg thead tr th:first-child { border-radius: 0; }
.table-lpg thead tr th:last-child  { border-radius: 0; }

.table-lpg thead th a,
.table-lpg thead th a:hover,
.table-lpg thead th a i {
    color: rgba(255,255,255,.9) !important;
    text-decoration: none;
}

.table-lpg thead th a:hover {
    color: #fff !important;
}

.table-lpg tbody td {
    padding: .6rem .9rem;
    border-bottom: 1px solid var(--lpg-border);
    vertical-align: middle;
}

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

.table-lpg tbody tr:hover { background: #f0f5fb; }

/* ===== BADGES ===== */
.badge {
    font-size: .72rem;
    font-weight: 600;
    padding: .28em .65em;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: .25rem;
}

.badge-success  { background: #d4edda; color: #1a6632; border: 1px solid #b8dfc3; }
.badge-warning  { background: #fff3cd; color: #856404; border: 1px solid #fde9a0; }
.badge-danger   { background: #f8d7da; color: #842029; border: 1px solid #f1aeb5; }
.badge-secondary{ background: #e9ecef; color: #495057; border: 1px solid #dee2e6; }
.badge-info     { background: #cff4fc; color: #0c5460; border: 1px solid #a6e4f7; }
.badge-primary  { background: #dce8f5; color: #0d1f3c; border: 1px solid #a8c8e8; }

/* ===== BUTTONS ===== */
.btn {
    font-size: .83rem;
    font-weight: 500;
    border-radius: 6px;
    padding: .42rem .9rem;
    transition: all .15s;
}

.btn-sm {
    font-size: .78rem;
    padding: .3rem .65rem;
}

.btn-primary {
    background: #005480;
    border-color: #005480;
    color: #fff;
}
.btn-primary:hover {
    background: #0086cd;
    border-color: #0086cd;
    color: #fff;
}

/* ===== FORMS ===== */
.form-control, .form-select {
    font-size: .85rem;
    border-radius: 6px;
    border-color: var(--lpg-border);
}

.form-control:focus, .form-select:focus {
    border-color: var(--lpg-blue-light);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, .15);
}

.form-label {
    font-size: .8rem;
    font-weight: 600;
    color: var(--lpg-text);
    margin-bottom: .3rem;
}

.form-section-title {
    font-size: .72rem;
    font-weight: 700;
    color: var(--lpg-navy);
    text-transform: uppercase;
    letter-spacing: .07em;
    padding: .35rem .8rem;
    background: var(--lpg-gray-light);
    border-left: 3px solid var(--lpg-orange);
    margin: 1.5rem 0 1rem;
    border-radius: 0 4px 4px 0;
}

/* ===== ALERTS ===== */
.alert {
    font-size: .85rem;
    border-radius: 8px;
    padding: .75rem 1rem;
}

/* ===== FOOTER ===== */
.lpg-footer {
    background: var(--lpg-navy);
    color: rgba(255,255,255,.45);
    font-size: .75rem;
    text-align: center;
    padding: .75rem 1.5rem;
}

/* ===== LOGIN PAGE ===== */
.login-wrapper {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--lpg-navy) 0%, var(--lpg-navy-mid) 60%, var(--lpg-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0,0,0,.35);
    padding: 2.5rem 2rem;
}

.login-logo {
    display: block;
    margin: 0 auto 1.25rem;
    max-height: 56px;
}

.login-card .form-control {
    background: var(--lpg-gray-light);
}

.login-card .btn-primary {
    background: var(--lpg-orange);
    border-color: var(--lpg-orange);
    color: var(--lpg-navy);
    font-weight: 700;
}

.login-card .btn-primary:hover {
    background: #e09010;
    border-color: #e09010;
    color: var(--lpg-navy);
}

/* ===== DL GRID (detail pages) ===== */
dl.row dt {
    font-size: .78rem;
    font-weight: 600;
    color: var(--lpg-text-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    padding-top: .5rem;
}

dl.row dd {
    padding-top: .5rem;
    font-size: .88rem;
    color: var(--lpg-text);
}

/* ===== MODAL ===== */
.modal-header {
    background: var(--lpg-gray-light);
    border-bottom: 1px solid var(--lpg-border);
    padding: .85rem 1.25rem;
}

.modal-title {
    font-size: .95rem;
    font-weight: 700;
    color: var(--lpg-navy);
}

/* ===== ACTIVE NAV LINK (based on current URL) ===== */
.navbar-nav .nav-link[aria-current="page"] {
    background: #0086cd !important;
    color: #fff !important;
    font-weight: 600;
}

/* ===== BOOTSTRAP OVERRIDES ===== */
.text-primary { color: #005480 !important; }
.bg-primary   { background-color: #005480 !important; }
.border-primary { border-color: #005480 !important; }

.btn-outline-primary {
    color: #005480;
    border-color: #005480;
}
.btn-outline-primary:hover {
    background-color: #005480;
    border-color: #005480;
    color: #fff;
}

/* ===== WALIDACJA FORMULARZY ===== */
/* Pole z błędem: wyraźna czerwona ramka + jasnoczerwone tło.
   .input-validation-error dodaje ASP.NET (server-side i jQuery unobtrusive),
   .is-invalid to odpowiednik Bootstrapa. */
.input-validation-error,
.is-invalid,
input.input-validation-error,
select.input-validation-error,
textarea.input-validation-error,
.nrhom-brak,
input.nrhom-brak,
select.nrhom-brak,
.form-control.nrhom-brak,
.form-select.nrhom-brak {
    border-color: #dc3545 !important;
    background-color: #fdeaea !important;
    box-shadow: 0 0 0 .15rem rgba(220, 53, 69, .25) !important;
}

/* Komunikat błędu pod polem */
.field-validation-error,
.text-danger.field-validation-error {
    color: #dc3545;
    font-size: .8rem;
    display: block;
    margin-top: .15rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .lpg-header-inner { padding: .5rem 1rem; }
    main.lpg-main { padding: 1rem; }
    .lpg-navbar { padding: 0 1rem; top: 0; position: relative; }
    .stat-card { padding: 1rem; }
    .stat-card-value { font-size: 1.4rem; }
}