:root {
    --tj-bg: #e8ecf1;
    --tj-surface: #ffffff;
    --tj-surface-soft: #f4f6f9;
    --tj-border: rgba(0, 0, 0, 0.1);
    --tj-text: #1a2332;
    --tj-muted: #5a6b7d;
    --tj-accent: #009a46;
    --tj-accent-soft: rgba(0, 154, 70, 0.12);
    --tj-danger: #c62828;
    --tj-shadow: 0 10px 40px rgba(0, 0, 0, 0.07);
    --tj-radius: 14px;
    --tj-radius-sm: 10px;
    --tj-font: "DM Sans", system-ui, sans-serif;
}

body.tj-modal-open {
    overflow: hidden;
}

.table-join-page {
    font-size: 16px;
    font-family: var(--tj-font);
    background: var(--tj-bg);
    background-image:
        radial-gradient(ellipse 100% 70% at 50% 0%, rgba(0, 154, 70, 0.06), transparent),
        radial-gradient(ellipse 50% 40% at 100% 30%, rgba(54, 132, 192, 0.05), transparent);
    color: var(--tj-text);
    line-height: 1.5;
}

.tj-main {
    flex: 1;
}

.tj-container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 1.25rem 3rem;
}

.tj-hero {
    padding: 1.75rem 0 1.25rem;
}

.tj-badge {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--tj-accent);
    background: var(--tj-accent-soft);
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    margin-bottom: 0.65rem;
}

.tj-hero h1 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.65rem, 4vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.tj-lead {
    margin: 0;
    max-width: 44rem;
    color: var(--tj-muted);
    font-size: 0.95rem;
}

.tj-lead strong {
    color: var(--tj-text);
    font-weight: 600;
}

.tj-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    align-items: center;
    margin: 1rem 0 1.5rem;
}

.tj-kbd-hint {
    font-size: 0.78rem;
    color: var(--tj-muted);
}

.tj-kbd-hint kbd {
    font-family: inherit;
    font-size: 0.72rem;
    padding: 0.1rem 0.35rem;
    border: 1px solid var(--tj-border);
    border-radius: 4px;
    background: var(--tj-surface-soft);
}

.tj-grid-2 {
    display: grid;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

@media (min-width: 900px) {
    .tj-grid-2 {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.tj-card {
    background: var(--tj-surface);
    border: 1px solid var(--tj-border);
    border-radius: var(--tj-radius);
    box-shadow: var(--tj-shadow);
    overflow: hidden;
    margin-bottom: 1.25rem;
}

.tj-card:last-child {
    margin-bottom: 0;
}

.tj-card__header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.15rem;
    margin: 0;
    border: none;
    background: linear-gradient(135deg, #2d6aa8 0%, #3684c0 100%);
    color: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: filter 0.15s ease;
}

.tj-card__header:hover {
    filter: brightness(1.05);
}

.tj-card__header:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

.tj-card__header--output {
    background: linear-gradient(135deg, #1e5a8a 0%, #2d6aa8 100%);
}

.tj-card__header-right {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-shrink: 0;
}

.tj-card__rowcount {
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0.92;
}

.tj-card__chev {
    flex-shrink: 0;
    font-size: 0.75rem;
    opacity: 0.9;
    transition: transform 0.25s ease;
}

.tj-card__chev.is-collapsed {
    transform: rotate(-90deg);
}

@media (prefers-reduced-motion: reduce) {
    .tj-card__chev {
        transition: none;
    }
    #tjToast {
        transition: none;
    }
}

.tj-card__body {
    display: none;
    padding: 1.15rem 1.15rem 1.25rem;
    background: var(--tj-surface);
}

.tj-card__body.is-open {
    display: block;
}

.tj-field-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--tj-muted);
    margin-bottom: 0.35rem;
}

.tj-input-row {
    margin-bottom: 0.85rem;
}

.tj-select,
.tj-textarea {
    width: 100%;
    box-sizing: border-box;
    font-family: inherit;
    font-size: 0.9rem;
    border: 1px solid var(--tj-border);
    border-radius: var(--tj-radius-sm);
    background: var(--tj-surface-soft);
    color: var(--tj-text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.tj-select {
    padding: 0.55rem 0.65rem;
    cursor: pointer;
}

.tj-textarea {
    padding: 0.65rem 0.75rem;
    min-height: 150px;
    resize: vertical;
    line-height: 1.45;
}

.tj-select:hover,
.tj-textarea:hover {
    border-color: rgba(0, 0, 0, 0.16);
}

.tj-select:focus,
.tj-textarea:focus {
    outline: none;
    border-color: var(--tj-accent);
    box-shadow: 0 0 0 3px var(--tj-accent-soft);
    background: #fff;
}

.tj-meta {
    font-size: 0.82rem;
    color: var(--tj-muted);
    margin: 0.35rem 0 0.5rem;
}

.tj-btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.65rem;
}

.tj-btn {
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--tj-radius-sm);
    border: 1px solid var(--tj-border);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, transform 0.08s;
}

.tj-btn:active {
    transform: scale(0.98);
}

.tj-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--tj-accent-soft);
    border-color: var(--tj-accent);
}

.tj-btn--primary {
    background: var(--tj-accent);
    border-color: #007c39;
    color: #fff;
}

.tj-btn--primary:hover {
    background: #00b04a;
}

.tj-btn--secondary {
    background: var(--tj-surface-soft);
    color: var(--tj-text);
}

.tj-btn--secondary:hover {
    background: #e4e9ef;
}

.tj-btn--ghost {
    background: transparent;
    color: var(--tj-muted);
    border-color: transparent;
}

.tj-btn--ghost:hover {
    background: var(--tj-surface-soft);
    color: var(--tj-text);
}

.tj-error {
    color: var(--tj-danger);
    font-size: 0.88rem;
    margin-top: 0.5rem;
}

.hidden {
    display: none !important;
}

.tj-options-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.25rem;
    align-items: center;
    margin: 0.75rem 0 0.25rem;
    font-size: 0.84rem;
    color: var(--tj-muted);
}

.tj-options-row label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    user-select: none;
}

.tj-options-row input {
    width: auto;
    margin: 0;
}

.tj-settings-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-top: 0.75rem;
}

.tj-output-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin: 0.75rem 0 0.25rem;
}

.tj-table-wrap {
    margin-top: 0.75rem;
    overflow-x: auto;
    border: 1px solid var(--tj-border);
    border-radius: var(--tj-radius-sm);
    background: #fafbfc;
}

.tj-table-wrap table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    font-size: 0.88rem;
}

.tj-table-wrap th,
.tj-table-wrap td {
    border-bottom: 1px solid var(--tj-border);
    padding: 0.55rem 0.7rem;
    text-align: left;
}

.tj-table-wrap th {
    background: linear-gradient(180deg, #3a7eb8 0%, #3684c0 100%);
    color: #fff;
    font-weight: 600;
    white-space: nowrap;
}

.tj-table-wrap tbody tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.02);
}

.tj-table-wrap tbody tr:hover {
    background: rgba(0, 154, 70, 0.05);
}

.tj-info {
    margin: 1rem 0 0;
    border: 1px solid var(--tj-border);
    border-radius: var(--tj-radius-sm);
    background: var(--tj-surface-soft);
    overflow: hidden;
}

.tj-info summary {
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--tj-text);
    list-style: none;
    user-select: none;
}

.tj-info summary::-webkit-details-marker {
    display: none;
}

.tj-info summary::before {
    content: '';
    display: inline-block;
    width: 0.35rem;
    height: 0.35rem;
    margin-right: 0.5rem;
    border-right: 2px solid var(--tj-muted);
    border-bottom: 2px solid var(--tj-muted);
    transform: rotate(-45deg);
    vertical-align: 0.15em;
    transition: transform 0.2s ease;
}

.tj-info[open] summary::before {
    transform: rotate(45deg);
    vertical-align: 0.05em;
}

.tj-info__body {
    padding: 0.75rem 1rem 1rem;
    border-top: 1px solid var(--tj-border);
    background: var(--tj-surface);
}

.tj-info__img {
    display: block;
    width: 100%;
    max-width: 36rem;
    height: auto;
    margin: 0 auto;
}

@media (prefers-reduced-motion: reduce) {
    .tj-info summary::before {
        transition: none;
    }
}

.tj-empty-msg {
    margin: 0.5rem 0 0;
    color: var(--tj-muted);
    font-size: 0.9rem;
}

#tjToast {
    position: fixed;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%) translateY(120%);
    background: #2a3340;
    color: #fff;
    padding: 0.75rem 1.15rem;
    border-radius: var(--tj-radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    z-index: 3000;
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
    pointer-events: none;
    max-width: min(90vw, 22rem);
    box-shadow: var(--tj-shadow);
}

#tjToast.tj-toast--visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.tj-modal {
    position: fixed;
    inset: 0;
    z-index: 4500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    box-sizing: border-box;
}

.tj-modal.hidden {
    display: none;
}

.tj-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 22, 32, 0.5);
    cursor: pointer;
}

.tj-modal__panel {
    position: relative;
    width: 100%;
    max-width: min(96vw, 52rem);
    max-height: min(88vh, 920px);
    background: var(--tj-surface);
    border-radius: var(--tj-radius);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--tj-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tj-modal__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--tj-border);
    background: var(--tj-surface-soft);
    flex-shrink: 0;
}

.tj-modal__title {
    margin: 0;
    font-size: 1.02rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.tj-modal__close {
    flex-shrink: 0;
    font-size: 1.35rem;
    line-height: 1;
    padding: 0.25rem 0.5rem;
    min-width: 2.25rem;
}

.tj-modal__meta {
    margin: 0;
    padding: 0.45rem 1rem;
    font-size: 0.82rem;
    color: var(--tj-muted);
    border-bottom: 1px solid var(--tj-border);
    flex-shrink: 0;
}

.tj-modal__body {
    padding: 0.85rem 1rem 1rem;
    overflow: auto;
    flex: 1;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
}

.tj-modal__body .tj-table-wrap {
    margin-top: 0;
}

.tj-modal__err {
    margin: 0;
    color: var(--tj-danger);
    font-size: 0.9rem;
    line-height: 1.45;
}

.shell-main.table-join-page-shell {
  margin: 0;
  padding: 0;
  border: none;
  box-shadow: none;
  border-radius: 0;
  background: transparent;
}

body[data-shell-active] .shell-main.table-join-page-shell {
  padding: 0;
}

.shell-main.table-join-page-shell .tool-page-header,
.shell-main.table-join-page-shell .tool-lead {
  display: none;
}