/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 30px;
    padding: 0 14px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s, border-color 0.15s;
}

.btn:hover {
    background: var(--surface-alt);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--primary-text);
}

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-danger {
    color: var(--danger);
    border-color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: #ffffff;
}

.btn-sm {
    height: 24px;
    padding: 0 10px;
    font-size: 12px;
}

.btn-icon {
    width: 30px;
    padding: 0;
}

/* Forms */
.form-group {
    margin-bottom: 12px;
}

.form-label {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    height: 32px;
    padding: 0 10px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--text);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 1px var(--input-focus);
}

.form-textarea {
    height: auto;
    min-height: 100px;
    padding: 8px 10px;
    resize: vertical;
}

.form-hint {
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-muted);
}

.form-error {
    margin-top: 4px;
    font-size: 12px;
    color: var(--danger);
}

/* Panels */
.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--post-header-bg);
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
    font-weight: 600;
}

.panel-body {
    padding: 14px;
}

/* Tables */
.table {
    width: 100%;
    font-size: 13px;
}

.table th {
    text-align: left;
    padding: 8px 12px;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
    background: var(--surface-alt);
}

.table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

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

.table tr:hover td {
    background: var(--surface-alt);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    height: 18px;
    padding: 0 6px;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius);
    background: var(--badge-bg);
    color: var(--badge-text);
}

.badge-admin {
    background: #dc2626;
    color: #ffffff;
}

.badge-mod {
    background: #2563eb;
    color: #ffffff;
}

.badge-online {
    background: var(--online);
    color: #ffffff;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border);
    margin-bottom: 14px;
}

.tab {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
}

.tab:hover {
    color: var(--text);
    text-decoration: none;
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 13px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
    height: 28px;
    padding: 0 6px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text-secondary);
}

.pagination a:hover {
    background: var(--surface-alt);
    color: var(--text);
    text-decoration: none;
}

.pagination .active {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

.pagination .disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* Alerts */
.alert {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 12px;
}

.alert-success {
    background: #f0fdf4;
    border-color: #bbf7d0;
    color: #166534;
}

.alert-danger {
    background: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.alert-warning {
    background: #fffbeb;
    border-color: #fed7aa;
    color: #92400e;
}

[data-theme="dark"] .alert-success {
    background: #052e16;
    border-color: #14532d;
    color: #86efac;
}

[data-theme="dark"] .alert-danger {
    background: #450a0a;
    border-color: #7f1d1d;
    color: #fca5a5;
}

[data-theme="dark"] .alert-warning {
    background: #451a03;
    border-color: #78350f;
    color: #fcd34d;
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 160px;
    background: var(--dropdown-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 100;
    padding: 4px 0;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 6px 12px;
    font-size: 13px;
    color: var(--text);
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
}

.dropdown-item:hover {
    background: var(--dropdown-hover);
    text-decoration: none;
    color: var(--text);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-light);
    margin: 4px 0;
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--modal-bg);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 14px;
}

.modal-body {
    padding: 16px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--border);
}

/* User Info Box */
.user-info-box {
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background: var(--badge-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
    flex-shrink: 0;
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-sm {
    width: 24px;
    height: 24px;
    font-size: 11px;
}

.avatar-lg {
    width: 64px;
    height: 64px;
    font-size: 24px;
}

.username {
    font-weight: 600;
    color: var(--link);
}

.username:hover {
    color: var(--link-hover);
}

.user-title {
    font-size: 11px;
    color: var(--text-muted);
}

/* Editor */
.editor-container {
    border: 1px solid var(--input-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.editor-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    padding: 6px 8px;
    background: var(--surface-alt);
    border-bottom: 1px solid var(--border-light);
}

.editor-btn {
    width: 28px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.editor-btn:hover {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text);
}

.editor-btn.active {
    background: var(--primary);
    color: var(--primary-text);
    border-color: var(--primary);
}

.editor-sep {
    width: 1px;
    margin: 2px 4px;
    background: var(--border);
}

.editor-textarea {
    width: 100%;
    min-height: 150px;
    padding: 10px 12px;
    border: none;
    background: var(--input-bg);
    color: var(--text);
    font-family: inherit;
    font-size: 13px;
    line-height: 1.6;
    resize: vertical;
}

.editor-textarea:focus {
    outline: none;
}

.editor-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    background: var(--surface-alt);
    border-top: 1px solid var(--border-light);
    font-size: 12px;
    color: var(--text-muted);
}

/* Misc */
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.font-mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.hidden { display: none !important; }