.listing-container {
    display: flex;
    align-items: flex-start;
    border: 1px solid #ccc;
    border-radius: 10px;
    padding: 10px;
    margin: 10px 0;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.names, .cancel_names, .send_request, .admin_messages {
    padding: 12px;
    text-decoration: none;
    color: #000;
    transition: all 0.2s ease;
}

.names:hover, .cancel_names:hover, .send_request:hover, .admin_messages:hover {
    color: #25C4CC;
    font-size: 34px;
}

.return {
    font-size: 30px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.return:hover {
    color: #00CCFF;
}

.auth-page {
    --auth-bg-start: #f6efe6;
    --auth-bg-end: #dbedf3;
    --auth-accent: #0b7285;
    --auth-accent-hover: #095d6d;
    --auth-text: #1f2933;
    --auth-muted: #5a6872;
    --auth-danger: #c0392b;
    --auth-surface: #ffffff;
    min-height: calc(100vh - 90px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 36px 16px;
    background: radial-gradient(circle at top left, var(--auth-bg-start), var(--auth-bg-end));
}

.auth-card {
    width: 100%;
    max-width: 560px;
    background-color: var(--auth-surface);
    border: 1px solid rgba(11, 114, 133, 0.2);
    border-radius: 18px;
    padding: 28px 26px;
    box-shadow: 0 12px 28px rgba(14, 63, 78, 0.2);
}

.auth-card h1 {
    margin: 0;
    color: var(--auth-text);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.auth-subtitle {
    margin: 8px 0 20px;
    color: var(--auth-muted);
}

.auth-error {
    margin-bottom: 14px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(192, 57, 43, 0.35);
    background-color: rgba(192, 57, 43, 0.08);
    color: var(--auth-danger);
    font-weight: 600;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.auth-form input,
.auth-form select {
    width: 100%;
    border: 1px solid rgba(31, 41, 51, 0.25);
    background-color: #fff;
    color: var(--auth-text);
    padding: 11px 13px;
    border-radius: 10px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-form input:focus,
.auth-form select:focus {
    border-color: var(--auth-accent);
    box-shadow: 0 0 0 3px rgba(11, 114, 133, 0.14);
}

.auth-form button {
    margin-top: 4px;
    border: none;
    border-radius: 10px;
    padding: 11px 14px;
    background-color: var(--auth-accent);
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.auth-form button:hover {
    background-color: var(--auth-accent-hover);
    transform: translateY(-1px);
}

.auth-hints {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px dashed rgba(31, 41, 51, 0.2);
}

.auth-hints p {
    margin: 0 0 8px;
    color: var(--auth-muted);
    font-size: 0.95rem;
}

.auth-hints p:last-child {
    margin-bottom: 0;
}

.auth-hints span {
    font-weight: 600;
    color: var(--auth-text);
}

.auth-hints img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid rgba(31, 41, 51, 0.2);
    margin-left: 6px;
}

.auth-footer {
    margin-top: 18px;
    color: var(--auth-text);
}

.auth-footer a {
    color: var(--auth-accent);
    font-weight: 700;
    text-decoration: none;
}

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

@media (max-width: 640px) {
    .auth-page {
        padding: 20px 12px;
    }

    .auth-card {
        padding: 20px 16px;
    }

    .auth-card h1 {
        font-size: 1.6rem;
    }
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background-color: #ffffff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    overflow: hidden;
    font-family: Arial, sans-serif;
}

.admin-table thead {
    background-color: #2c3e50;
    color: #ffffff;
}

.admin-table th,
.admin-table td {
    padding: 12px 16px;
    text-align: left;
}

.admin-table th {
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.admin-table tbody tr {
    border-bottom: 1px solid #eaeaea;
    transition: background-color 0.2s ease;
}

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

.admin-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: bold;
    text-align: center;
}

.admin-badge.yes {
    background-color: #27ae60;
    color: #ffffff;
}

.admin-badge.no {
    background-color: #bdc3c7;
    color: #2c3e50;
}

.btn-danger {
    background-color: #e74c3c;
    color: #fff;
    border: none;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background-color 0.2s ease;
}

.btn-danger:hover {
    background-color: #c0392b;
}


.message-container, .inbox-container {
    width: 90%;
    margin: 20px auto;
    border: 1px solid #ccc;
    border-radius: 12px;
    padding: 15px;
    background-color: #f9f9f9;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

.message-container h2, .inbox-container h2 {
    font-size: 1.6rem;
    color: #2c3e50;
    margin-bottom: 10px;
}

.message-item, .inbox-item {
    padding: 12px;
    margin-bottom: 10px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.message-item:last-child, .inbox-item:last-child {
    border-bottom: none;
}

.message-item p, .inbox-item p {
    margin: 0;
    font-size: 1rem;
    color: #34495e;
}

.message-item button, .inbox-item button {
    border: none;
    background-color: #e74c3c;
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background-color 0.2s ease;
}

.message-item button:hover, .inbox-item button:hover {
    background-color: #c0392b;
}

.message-success {
    color: #27ae60;
    font-weight: bold;
    margin-bottom: 10px;
}

.message-error {
    color: #e74c3c;
    font-weight: bold;
    margin-bottom: 10px;
}

.names-list-container, .admin-messages-container, .send-request-container, .grades-table-container {
    margin: 20px auto;
    padding: 15px;
    max-width: 900px;
    border-radius: 10px;
    background-color: #fefefe;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.names-table, .grades-table, .messages-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.names-table th, .grades-table th, .messages-table th,
.names-table td, .grades-table td, .messages-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #e0e0e0;
}

textarea {
    width: 100%;
    padding: 8px;
    border-radius: 6px;
    border: 2px solid #ccc;
    resize: vertical;
    font-size: 1rem;
}

.send-request-container button {
    margin-top: 10px;
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    background-color: #25C4CC;
    color: white;
    cursor: pointer;
}

.send-request-container button:hover {
    background-color: #1aa3a8;
}


.grades-table-container {
    width: 95%;
    margin: 20px auto;
    border-collapse: collapse;
}

.grades-table {
    width: 100%;
    border-collapse: collapse;
    background-color: #ffffff;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    border-radius: 8px;
    overflow: hidden;
}

.grades-table th, .grades-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #eaeaea;
    font-size: 1rem;
    color: #2c3e50;
}

.grades-table th {
    background-color: #2c3e50;
    color: #ffffff;
    text-transform: uppercase;
    font-size: 0.85rem;
}


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


.grades-table-container {
    margin: 20px 0;
}

.grades-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.grades-table th, .grades-table td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: left;
}

.grades-table th {
    background-color: #2c3e50;
    color: #fff;
}

.grades-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.grade-filters {
    margin-bottom: 15px;
}

.grade-filters a {
    margin-right: 10px;
    padding: 5px 10px;
    text-decoration: none;
    border-radius: 5px;
    background-color: #eee;
    color: #333;
}

.grade-filters a.active-grade,
.grade-filters a:hover {
    background-color: #25C4CC;
    color: white;
}

.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #9e9e9e;
    box-shadow: 0 0 4px rgba(0,0,0,0.4);
}

.status-dot.online {
    background-color: #22c55e;
}

.status-dot.idle {
    background-color: #9ca3af;
}

.status-dot.offline {
    background-color: #ef4444;
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 8px 0 12px;
}

.badge-pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    background-color: #2c2c2c;
    color: #ffffff;
    font-size: 0.85rem;
}

body.dark-mode .badge-pill {
    background-color: #1f1f1f;
    color: #ffffff;
}

.link-badge {
    display: inline-block;
    margin-left: 6px;
    padding: 2px 8px;
    border-radius: 999px;
    background-color: #25C4CC;
    color: #fff;
    font-size: 0.75rem;
}

body.dark-mode .link-badge {
    background-color: #1f8f94;
    color: #fff;
}

.link-badge.alt {
    background-color: #444;
}

body.dark-mode .link-badge.alt {
    background-color: #2b2b2b;
}

/* Dark mode */
body.dark-mode {
    background-color: #121212;
    color: #e6e6e6;
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6,
body.dark-mode p,
body.dark-mode label,
body.dark-mode span,
body.dark-mode li {
    color: #e6e6e6;
}

body.dark-mode a {
    color: #9ad9ff;
}

body.dark-mode a:hover {
    color: #c7e9ff;
}

body.dark-mode ::placeholder {
    color: #b5b5b5;
}

body.dark-mode .auth-page {
    background: radial-gradient(circle at top left, #14212b, #1a1f2b);
}

body.dark-mode .auth-card {
    background-color: #171a22;
    border-color: #2b3647;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
}

body.dark-mode .auth-subtitle,
body.dark-mode .auth-hints p {
    color: #bcc7d4;
}

body.dark-mode .auth-card h1,
body.dark-mode .auth-hints span,
body.dark-mode .auth-footer {
    color: #edf2f7;
}

body.dark-mode .auth-form input,
body.dark-mode .auth-form select {
    background-color: #10141c;
    border-color: #344257;
    color: #edf2f7;
}

body.dark-mode .auth-form button {
    background-color: #1f8f94;
}

body.dark-mode .auth-form button:hover {
    background-color: #237278;
}

body.dark-mode .auth-hints {
    border-top-color: #344257;
}

body.dark-mode .auth-hints img {
    border-color: #344257;
}

body.dark-mode .navbar {
    background-color: #1e1e1e !important;
}

body.dark-mode .navbar .nav-link,
body.dark-mode .navbar .navbar-brand {
    color: #e6e6e6 !important;
}

.admin-actions {
    display: flex;
    gap: 28px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.admin-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #000;
    font-size: 0.85rem;
    gap: 6px;
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

.admin-action img {
    height: 36px;
    width: auto;
    display: block;
}

.admin-action:hover {
    transform: scale(1.05);
}



body.dark-mode .admin-action {
    color: #e6e6e6;
}

.navbar-logo {
    height: 32px;
    width: auto;
    display: block;
    object-fit: contain;
    margin-right: 10px;
    padding: 2px 2px 10px 0;
}

.nav-icon {
    height: 32px;
    width: auto;
    display: block;
    object-fit: contain;
}

.navbar-brand {
    display: flex;
    align-items: center;
    height: 32px;
    margin: 0 28px 0 0;
}

.navbar-logo {
    height: 32px;
    width: auto;
    display: block;
    object-fit: contain;
}

.navbar-nav .nav-item {
    margin-right: 0;
}

.navbar-nav .nav-item:last-child {
    margin-right: 0;
}

/* Center navbar logos with equal spacing */
.navbar {
    justify-content: center;
}

.navbar .collapse {
    justify-content: center;
}

.navbar-nav {
    flex-direction: row;
    gap: 120px;
    align-items: center;
    margin: 0 auto;
    padding-left: 40px;
}



body.dark-mode .names-list-container,
body.dark-mode .admin-messages-container,
body.dark-mode .send-request-container,
body.dark-mode .grades-table-container,
body.dark-mode .message-container,
body.dark-mode .inbox-container {
    background-color: #1b1b1b;
    border-color: #2a2a2a;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

body.dark-mode .grades-table,
body.dark-mode .names-table,
body.dark-mode .messages-table,
body.dark-mode .admin-table {
    background-color: #1b1b1b;
}

body.dark-mode .grades-table th,
body.dark-mode .admin-table th {
    background-color: #2c2c2c;
    color: #ffffff;
}

body.dark-mode .grades-table td,
body.dark-mode .admin-table td,
body.dark-mode .message-item p,
body.dark-mode .inbox-item p {
    color: #e6e6e6;
}

body.dark-mode .grades-table tr:nth-child(even) {
    background-color: #1f1f1f;
}

body.dark-mode textarea,
body.dark-mode input,
body.dark-mode select {
    background-color: #1f1f1f;
    color: #e6e6e6;
    border-color: #444;
}

body.dark-mode .btn,
body.dark-mode button {
    color: #ffffff;
    background-color: #2b2b2b;
    border-color: #444;
}

body.dark-mode .btn:hover,
body.dark-mode button:hover {
    background-color: #3a3a3a;
}