* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0b0f19;
    color: #e5e7eb;
}

.container {
    width: min(1100px, 92%);
    margin: 0 auto;
}

.site-header {
    background: #111827;
    border-bottom: 1px solid #1f2937;
    color: #fff;
    padding: 14px 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.brand {
    text-decoration: none;
    font-weight: bold;
    letter-spacing: 0.4px;
    animation: brand-rainbow 14s linear infinite;
}

.rainbow-text {
    animation: brand-rainbow 14s linear infinite;
}

@keyframes brand-rainbow {
    0% {
        color: #ff3b30;
    }
    5% {
        color: #ff6b00;
    }
    10% {
        color: #ff9500;
    }
    15% {
        color: #ffcc00;
    }
    20% {
        color: #d4ff00;
    }
    25% {
        color: #8cff00;
    }
    30% {
        color: #39ff14;
    }
    35% {
        color: #00ff85;
    }
    40% {
        color: #00ffd5;
    }
    45% {
        color: #00e5ff;
    }
    50% {
        color: #00bfff;
    }
    55% {
        color: #1e90ff;
    }
    60% {
        color: #4169e1;
    }
    65% {
        color: #6a5acd;
    }
    70% {
        color: #8a2be2;
    }
    75% {
        color: #a020f0;
    }
    80% {
        color: #c71585;
    }
    85% {
        color: #ff1493;
    }
    90% {
        color: #ff2d55;
    }
    95% {
        color: #ff4d4d;
    }
    100% {
        color: #ff3b30;
    }
}

.main-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.main-nav a {
    color: #d1d5db;
    text-decoration: none;
    padding: 6px 8px;
    border-radius: 6px;
}

.main-nav a:hover {
    background: #1f2937;
}

.wgc-btn {
    background: #f97316;
    color: #111827 !important;
    font-weight: 700;
}

.wgc-btn:hover {
    background: #fb923c !important;
}

.admin-btn {
    background: #dc2626;
    color: #ffffff !important;
    font-weight: 700;
}

.admin-btn:hover {
    background: #ef4444 !important;
}

main {
    padding: 24px 0 40px;
}

.card {
    background: #111827;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 16px;
    border: 1px solid #1f2937;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.form {
    display: grid;
    gap: 12px;
}

.form label {
    display: grid;
    gap: 6px;
    font-weight: 600;
}

input,
textarea,
select,
button {
    font: inherit;
}

input,
textarea,
select {
    border: 1px solid #374151;
    border-radius: 8px;
    padding: 10px;
    background: #0b1220;
    color: #f3f4f6;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 8px;
    padding: 10px 14px;
    cursor: pointer;
    text-decoration: none;
    background: #2563eb;
    color: #fff;
}

.btn-secondary {
    background: #374151;
}

.btn-danger {
    background: #dc2626;
}

.btn-small {
    padding: 6px 10px;
    font-size: 0.9rem;
}

.btn-inline {
    width: fit-content;
}

.actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.actions-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.inline-form {
    margin: 0;
}

.alert {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-weight: 600;
}

.alert-info {
    background: #0f2740;
    color: #93c5fd;
}

.alert-success {
    background: #10291c;
    color: #86efac;
}

.alert-error {
    background: #3a1114;
    color: #fca5a5;
}

.alert-warning {
    background: #3d2a06;
    color: #fcd34d;
}

.pending-box {
    border: 1px solid #f59e0b;
    background: #2b1b05;
    padding: 12px;
    border-radius: 8px;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

th,
td {
    text-align: left;
    border-bottom: 1px solid #1f2937;
    padding: 10px 8px;
    vertical-align: top;
}

.checkbox-col {
    width: 38px;
    text-align: center;
}

.bulk-actions {
    margin-top: 12px;
    display: flex;
    justify-content: flex-end;
}

.offline-users-panel {
    border: 1px solid #1f2937;
    border-radius: 10px;
    background: #0f172a;
    padding: 10px 12px;
}

.offline-users-panel summary {
    cursor: pointer;
    font-weight: 700;
    color: #d1d5db;
    list-style: none;
}

.offline-users-panel summary::-webkit-details-marker {
    display: none;
}

.offline-users-panel summary::after {
    content: '▾';
    float: right;
    color: #9ca3af;
}

.offline-users-panel[open] summary::after {
    content: '▴';
}

.offline-users-content {
    margin-top: 10px;
}

.user-cards-groups {
    display: grid;
    gap: 10px;
}

.user-cards-panel summary {
    color: #93c5fd;
}

.section-title-online {
    color: #ff8a00;
}

.section-title-pending {
    color: #39ff14;
}

.section-title-offline {
    color: #ffe600;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 8px 0 18px;
}

.pagination .btn-secondary {
    background: #39ff14;
    color: #000;
    border: 1px solid #39ff14;
    box-shadow: none;
}

.pagination .btn-secondary:hover,
.pagination .btn-secondary:focus-visible {
    background: #2ee00f;
    color: #000;
    box-shadow: none;
}

.pagination-info {
    color: #d1d5db;
    font-weight: 600;
}

.qsl-item {
    background: linear-gradient(180deg, #111827 0%, #0f172a 100%);
    border-radius: 10px;
    border: 1px solid #1f2937;
    padding: 16px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.qsl-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.qsl-callsign {
    font-weight: 700;
    color: #93c5fd;
    font-size: 1.1rem;
}

.qsl-mode {
    background: #1e293b;
    color: #bfdbfe;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 0.8rem;
    font-weight: 700;
}

.qsl-item h2 {
    margin: 10px 0 8px;
    font-size: 1.1rem;
}

.qsl-meta {
    margin: 0;
    line-height: 1.45;
    font-size: 0.95rem;
    color: #9ca3af;
}

.qsl-message {
    margin-top: 10px;
    padding: 10px;
    border-radius: 8px;
    background: #111e33;
    border: 1px solid #1d4ed8;
}

.thumb {
    width: 120px;
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid #374151;
}

.qsl-image {
    width: 100%;
    max-height: 260px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #374151;
    margin-bottom: 10px;
    cursor: zoom-in;
}

.edit-preview {
    width: 100%;
    max-width: 460px;
    border-radius: 10px;
    border: 1px solid #374151;
}

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 16px;
}

.lightbox.is-open {
    display: flex;
}

.lightbox-inner {
    width: min(1000px, 96vw);
    max-height: 92vh;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-image {
    display: block;
    width: 100%;
    max-height: calc(92vh - 120px);
    object-fit: contain;
    border-radius: 10px;
    border: 1px solid #374151;
    background: #020617;
}

.lightbox-caption {
    margin: 10px 0 0;
    color: #d1d5db;
    text-align: center;
}

.lightbox-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 12px;
}

.lightbox-nav {
    border: 1px solid #374151;
    border-radius: 8px;
    background: #111827;
    color: #f9fafb;
    padding: 8px 14px;
    cursor: pointer;
}

.lightbox-nav:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.lightbox-counter {
    min-width: 64px;
    text-align: center;
    color: #d1d5db;
    font-weight: 600;
}

.lightbox-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 999px;
    background: rgba(17, 24, 39, 0.85);
    color: #f9fafb;
    font-size: 1.4rem;
    cursor: pointer;
}

@media (max-width: 780px) {
    .container {
        width: min(1100px, 94%);
    }

    .nav {
        align-items: flex-start;
        flex-direction: column;
    }

    .main-nav {
        width: 100%;
        gap: 8px;
    }

    .main-nav a {
        display: inline-flex;
        padding: 8px 10px;
    }

    .btn,
    .btn-small {
        width: 100%;
    }

    .actions-inline,
    .actions {
        flex-direction: column;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .pagination {
        flex-wrap: wrap;
    }

    .qsl-item {
        padding: 14px;
    }

    table {
        min-width: 520px;
    }

    .thumb {
        width: 88px;
    }

    .lightbox {
        padding: 10px;
    }

    .lightbox-image {
        max-height: 80vh;
    }

    .lightbox-controls {
        gap: 8px;
    }

    .lightbox-nav {
        padding: 8px 10px;
        font-size: 0.9rem;
    }

    .admin-responsive-table {
        min-width: 0;
    }

    .admin-responsive-table thead {
        display: none;
    }

    .admin-responsive-table,
    .admin-responsive-table tbody,
    .admin-responsive-table tr,
    .admin-responsive-table td {
        display: block;
        width: 100%;
    }

    .admin-responsive-table tr {
        border: 1px solid #1f2937;
        border-radius: 10px;
        padding: 8px 10px;
        margin-bottom: 10px;
        background: #0f172a;
    }

    .admin-responsive-table td {
        border-bottom: 0;
        padding: 8px 0;
    }

    .admin-responsive-table td::before {
        content: attr(data-label);
        display: block;
        font-size: 0.82rem;
        color: #9ca3af;
        margin-bottom: 3px;
        font-weight: 700;
    }

    .admin-responsive-table .checkbox-col {
        text-align: left;
        width: 100%;
    }

    .admin-responsive-table .checkbox-col input[type="checkbox"] {
        transform: scale(1.1);
    }

    .admin-responsive-table .actions-inline {
        flex-direction: column;
        gap: 8px;
    }

    .bulk-actions {
        justify-content: stretch;
    }
}

@media (max-width: 780px) {
    .card {
        padding: 14px;
        margin-bottom: 12px;
    }

    .admin-responsive-table tr {
        padding: 6px 8px;
        margin-bottom: 8px;
    }

    .admin-responsive-table td {
        padding: 5px 0;
        display: grid;
        grid-template-columns: 92px minmax(0, 1fr);
        align-items: start;
        column-gap: 8px;
    }

    .admin-responsive-table td::before {
        font-size: 0.76rem;
        margin-bottom: 0;
        line-height: 1.25;
        padding-top: 1px;
    }

    .admin-responsive-table .thumb {
        width: 64px;
    }

    .admin-responsive-table .actions-inline {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 6px;
    }

    .admin-responsive-table .inline-form {
        display: inline-flex;
    }

    .admin-responsive-table .btn,
    .admin-responsive-table .btn-small {
        width: auto;
        padding: 6px 8px;
        font-size: 0.82rem;
    }

    .admin-responsive-table td.checkbox-col {
        display: block;
    }

    .admin-responsive-table td.checkbox-col::before {
        margin-bottom: 3px;
    }

    .admin-responsive-table td[data-label="Akcje"] {
        display: block;
    }

    .admin-responsive-table td[data-label="Akcje"]::before {
        margin-bottom: 4px;
    }

    .admin-bulk-actions {
        justify-content: flex-end;
    }

    .admin-bulk-actions .btn {
        width: auto;
        padding: 8px 10px;
        font-size: 0.85rem;
    }

    .offline-users-panel {
        padding: 8px 10px;
    }

    .offline-users-content {
        margin-top: 8px;
    }
}

@media (max-height: 520px) and (orientation: landscape) {
    .lightbox {
        padding: 6px;
    }

    .lightbox-inner {
        width: min(1000px, 98vw);
        max-height: 96vh;
    }

    .lightbox-image {
        max-height: calc(96vh - 96px);
    }

    .lightbox-controls {
        margin-top: 8px;
        gap: 6px;
    }

    .lightbox-nav {
        padding: 6px 10px;
        font-size: 0.85rem;
    }

    .lightbox-caption {
        margin-top: 6px;
        font-size: 0.9rem;
    }
}