/* ══════════════════════════════════════
   PLAYGROUND — SQL Playground Styles
   ══════════════════════════════════════ */

/* ── HEADER ── */
.pg-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(13,17,23,.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--accent-bd);
    height: 56px;
}
.pg-header-inner {
    max-width: 1400px; margin: 0 auto; padding: 0 1.5rem;
    height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.pg-logo {
    font-family: var(--mono);
    font-size: 1rem; font-weight: 700;
    letter-spacing: -1px; color: var(--white);
    display: flex; align-items: center; gap: .75rem;
}
.pg-logo .cursor {
    color: var(--accent);
    animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,49%{opacity:1} 50%,100%{opacity:0} }

.pg-badge {
    font-size: .58rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1.5px;
    color: var(--accent); background: var(--accent-bg);
    border: 1px solid var(--accent-bd);
    padding: .25rem .7rem; border-radius: 50px;
}
.pg-header-right {
    display: flex; align-items: center; gap: 1rem;
}
.pg-status {
    font-family: var(--mono); font-size: .6rem;
    font-weight: 700; text-transform: uppercase;
    letter-spacing: .8px; padding: .2rem .6rem;
    border-radius: 50px;
}
.pg-status--loading { color: var(--c-trafego); background: var(--c-trafego-bg); }
.pg-status--active { color: var(--c-automacao); background: var(--c-automacao-bg); }
.pg-status--error { color: #f87171; background: rgba(248,113,113,.08); }

.pg-progress {
    font-family: var(--mono); font-size: .7rem;
    color: var(--g2);
}
.pg-progress strong { color: var(--accent); }

/* ── LOADING ── */
.pg-loading {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    min-height: calc(100vh - 56px); gap: 1.2rem;
    text-align: center; padding: 2rem;
}
.pg-spinner {
    width: 36px; height: 36px;
    border: 3px solid rgba(255,255,255,.08);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.pg-loading p { font-size: .85rem; color: var(--g2); }
.pg-loading small { font-size: .7rem; color: var(--g3); }

/* ── LAYOUT ── */
.pg-app {
    display: none;
    grid-template-columns: 340px 1fr;
    min-height: calc(100vh - 56px);
}
.pg-app.ready { display: grid; }

@media (max-width: 900px) {
    .pg-app { grid-template-columns: 1fr; }
}

/* ── SIDEBAR ── */
.pg-sidebar {
    background: var(--bg-1);
    border-right: 1px solid rgba(255,255,255,.04);
    overflow-y: auto; padding: 1.2rem;
    display: flex; flex-direction: column; gap: 1.2rem;
}

.pg-sidebar-title {
    font-size: .75rem; font-weight: 700;
    color: var(--g2); margin-bottom: .3rem;
}
.pg-sidebar-hint {
    font-size: .65rem; color: var(--g3);
    margin-bottom: .6rem;
}

/* Schema Explorer */
.pg-table-item {
    background: var(--bg-2);
    border: 1px solid rgba(255,255,255,.04);
    border-radius: var(--r);
    overflow: hidden; margin-bottom: .5rem;
}
.pg-table-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: .6rem .8rem; cursor: pointer;
    transition: background .2s var(--ease);
}
.pg-table-header:hover { background: rgba(255,255,255,.03); }
.pg-table-name {
    font-family: var(--mono); font-size: .75rem;
    font-weight: 600; color: var(--accent);
}
.pg-table-count {
    font-family: var(--mono); font-size: .6rem;
    color: var(--g3);
}
.pg-table-arrow {
    font-size: .6rem; color: var(--g3);
    transition: transform .2s var(--ease);
}
.pg-table-item.open .pg-table-arrow { transform: rotate(90deg); }

.pg-table-cols {
    display: none; padding: .4rem .8rem .6rem;
}
.pg-table-item.open .pg-table-cols { display: flex; flex-wrap: wrap; gap: .25rem; }
.pg-col {
    font-family: var(--mono); font-size: .62rem;
    color: var(--g1); background: var(--bg-0);
    padding: .15rem .45rem; border-radius: 4px;
    white-space: nowrap;
}
.pg-col-type { color: var(--g3); margin-left: .2rem; }

/* Inspect button */
.pg-btn-inspect {
    display: block; width: 100%; margin-top: .5rem;
    padding: .4rem; border-radius: 6px;
    background: var(--accent-bg); border: 1px solid var(--accent-bd);
    font-family: var(--sans); font-size: .65rem;
    font-weight: 600; color: var(--accent);
    cursor: pointer; transition: all .15s var(--ease);
}
.pg-btn-inspect:hover { background: rgba(94,234,212,.15); }

/* Inspect view */
.pg-inspect { padding: .5rem 0; }
.pg-inspect-header {
    display: flex; align-items: center; gap: .8rem;
    margin-bottom: 1rem;
}
.pg-inspect-header h3 {
    font-family: var(--mono); font-size: 1.1rem;
    font-weight: 700; color: var(--accent);
}
.pg-inspect-count {
    font-family: var(--mono); font-size: .7rem;
    color: var(--g3); background: var(--bg-2);
    padding: .2rem .6rem; border-radius: 4px;
}
.pg-inspect-section { margin-bottom: 1.5rem; }
.pg-inspect-label {
    font-family: var(--mono); font-size: .62rem;
    font-weight: 700; text-transform: uppercase;
    letter-spacing: 1.5px; color: var(--g3);
    margin-bottom: .5rem;
}
.pg-btn-query-table {
    margin-top: 1rem; padding: .5rem 1.2rem;
    border-radius: var(--r); background: var(--bg-2);
    border: 1px solid rgba(255,255,255,.06);
    font-family: var(--sans); font-size: .75rem;
    font-weight: 600; color: var(--g1);
    cursor: pointer; transition: all .2s var(--ease);
}
.pg-btn-query-table:hover {
    border-color: var(--accent-bd); color: var(--accent);
}
.pg-btn-back {
    background: none; border: 1px solid rgba(255,255,255,.08);
    border-radius: 6px; padding: .35rem .8rem;
    font-family: var(--sans); font-size: .72rem;
    font-weight: 600; color: var(--g2);
    cursor: pointer; transition: all .2s var(--ease);
    margin-bottom: 1rem; display: inline-block;
}
.pg-btn-back:hover { border-color: var(--accent-bd); color: var(--accent); }

/* Sidebar divider */
.pg-sidebar-divider {
    border: none; border-top: 1px solid rgba(255,255,255,.06);
    margin: .5rem 0;
}

/* Challenges */
.pg-challenge {
    background: linear-gradient(135deg, rgba(255,255,255,.03), rgba(255,255,255,.06));
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 10px; padding: .7rem .8rem;
    cursor: pointer; margin-bottom: .5rem;
    transition: all .2s var(--ease);
}
.pg-challenge:hover {
    border-color: rgba(255,255,255,.15);
    background: linear-gradient(135deg, rgba(255,255,255,.05), rgba(255,255,255,.08));
    transform: translateY(-1px);
}
.pg-challenge.active {
    border-color: var(--accent);
    background: linear-gradient(135deg, var(--accent-bg), rgba(94,234,212,.04));
    box-shadow: 0 0 12px rgba(94,234,212,.08);
}
.pg-challenge.solved {
    border-left: 3px solid var(--c-automacao);
}

.pg-challenge-top {
    display: flex; align-items: center; gap: .4rem;
    margin-bottom: .35rem;
}
.pg-challenge-num {
    font-family: var(--mono); font-size: .58rem;
    font-weight: 700; color: var(--g3);
}
.pg-solved-check {
    color: var(--c-automacao); font-size: .65rem;
    margin-left: auto;
}
.pg-level {
    font-size: .5rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .8px;
    padding: .15rem .5rem; border-radius: 50px;
    margin-left: auto;
}
.pg-challenge.solved .pg-level { margin-left: 0; }
.pg-level.iniciante { background: rgba(74,222,128,.15); color: #6ee7a0; }
.pg-level.intermediario { background: rgba(251,191,36,.12); color: #fbbf24; }
.pg-level.avancado { background: rgba(248,113,113,.12); color: #fca5a5; }

.pg-challenge-title {
    font-size: .78rem; font-weight: 600;
    color: rgba(255,255,255,.9); line-height: 1.4;
}

/* ── MAIN PANEL ── */
.pg-main {
    display: flex; flex-direction: column;
    overflow: hidden;
}

/* Challenge detail */
.pg-challenge-detail {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,.06);
    background: linear-gradient(180deg, rgba(255,255,255,.03), transparent);
    display: none;
}
.pg-challenge-detail.visible { display: block; }
.pg-challenge-detail-header {
    display: flex; align-items: center; gap: .6rem;
    margin-bottom: .5rem;
}
.pg-challenge-detail-header .pg-level { flex-shrink: 0; margin-left: 0; }
.pg-challenge-detail h3 {
    font-size: .92rem; font-weight: 700;
    color: var(--white);
}
.pg-challenge-question {
    font-size: .82rem; color: rgba(255,255,255,.7);
    line-height: 1.7; margin-bottom: .8rem;
    text-align: justify;
}
.pg-challenge-actions {
    display: flex; gap: .4rem; flex-wrap: wrap;
    margin-bottom: .5rem;
}
.pg-toggle-btn {
    background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1);
    border-radius: 6px; padding: .35rem .8rem;
    font-family: var(--sans); font-size: .7rem;
    font-weight: 600; color: rgba(255,255,255,.5);
    cursor: pointer; transition: all .2s var(--ease);
}
.pg-toggle-btn:hover { border-color: rgba(255,255,255,.2); color: rgba(255,255,255,.8); }
.pg-use-solution { color: var(--accent); border-color: var(--accent-bd); }
.pg-use-solution:hover { background: var(--accent-bg); color: var(--accent); }
.pg-hint, .pg-solution {
    display: none; margin-top: .6rem; padding: .7rem .8rem;
    background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06);
    border-radius: 8px; font-size: .78rem; line-height: 1.7;
}
.pg-hint.visible, .pg-solution.visible { display: block; }
.pg-hint { color: #fbbf24; }
.pg-solution { color: rgba(255,255,255,.7); }
.pg-solution pre {
    margin: 0; white-space: pre-wrap; font-family: var(--mono);
    font-size: .72rem;
}
.pg-challenge-question {
    font-size: .85rem; color: var(--g1);
    line-height: 1.7; margin-bottom: .8rem;
    text-align: justify;
}

/* Editor */
.pg-editor-wrap {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,.04);
    flex-shrink: 0;
}
.pg-editor-label {
    font-family: var(--mono); font-size: .6rem;
    font-weight: 700; text-transform: uppercase;
    letter-spacing: 1.5px; color: var(--g3);
    margin-bottom: .5rem;
    display: flex; align-items: center; justify-content: space-between;
}
.pg-editor-actions { display: flex; gap: .4rem; }
.pg-btn-clear {
    background: none; border: 1px solid rgba(255,255,255,.06);
    border-radius: 4px; padding: .2rem .6rem;
    font-family: var(--mono); font-size: .6rem;
    color: var(--g3); cursor: pointer;
    transition: all .15s var(--ease);
}
.pg-btn-clear:hover { color: var(--g1); border-color: rgba(255,255,255,.15); }

.pg-editor {
    width: 100%; min-height: 140px; max-height: 300px;
    resize: vertical; padding: 1rem;
    background: var(--bg-2); color: var(--white);
    border: 1px solid rgba(255,255,255,.06);
    border-radius: var(--r);
    font-family: var(--mono); font-size: .82rem;
    line-height: 1.7; tab-size: 2;
}
.pg-editor:focus { outline: none; border-color: var(--accent); }
.pg-editor::placeholder { color: var(--g3); }

.pg-run-row {
    display: flex; align-items: center; gap: .8rem;
    margin-top: .6rem;
}
.pg-btn-run {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .55rem 1.2rem; border-radius: var(--r);
    background: linear-gradient(135deg, var(--accent), var(--accent-lt));
    color: var(--bg-0); font-family: var(--sans);
    font-size: .78rem; font-weight: 700; border: none;
    cursor: pointer; transition: all .2s var(--ease);
}
.pg-btn-run:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(94,234,212,.25); }
.pg-btn-run:disabled { opacity: .4; cursor: not-allowed; transform: none; box-shadow: none; }
.pg-shortcut {
    font-family: var(--mono); font-size: .62rem;
    color: var(--g3);
}
.pg-time {
    font-family: var(--mono); font-size: .65rem;
    color: var(--g3); margin-left: auto;
}

/* Results — fixed scrollable box */
.pg-results {
    flex: 1; overflow: auto; padding: 1rem 1.5rem;
    min-height: 0; max-height: calc(100vh - 320px);
}
.pg-results-info {
    font-family: var(--mono); font-size: .65rem;
    color: var(--g3); margin-bottom: .8rem;
}
.pg-results-info strong { color: var(--g1); }

.pg-result-table {
    width: 100%; border-collapse: collapse;
    font-size: .78rem;
}
.pg-result-table th {
    text-align: left; font-family: var(--mono);
    font-size: .65rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .5px;
    color: var(--accent); padding: .5rem .6rem;
    border-bottom: 2px solid var(--accent-bd);
    position: sticky; top: 0; background: var(--bg-0);
    white-space: nowrap;
}
.pg-result-table td {
    padding: .45rem .6rem; color: var(--g1);
    border-bottom: 1px solid rgba(255,255,255,.03);
    white-space: nowrap; max-width: 300px;
    overflow: hidden; text-overflow: ellipsis;
}
.pg-result-table tr:hover td { background: rgba(255,255,255,.02); }

/* Error */
.pg-error {
    background: rgba(248,113,113,.06);
    border: 1px solid rgba(248,113,113,.15);
    border-radius: var(--r); padding: 1rem;
    font-family: var(--mono); font-size: .78rem;
    color: #f87171; line-height: 1.6;
    white-space: pre-wrap;
}

/* Table scroll — both axes */
.pg-table-scroll { overflow: auto; max-height: 100%; }
.null-val { color: var(--g3); font-style: italic; }

/* Quick examples */
.pg-quick-examples {
    display: flex; flex-wrap: wrap; gap: .5rem;
    justify-content: center; margin-top: 1.2rem;
}
.pg-example-btn {
    background: var(--bg-2); border: 1px solid rgba(255,255,255,.06);
    border-radius: var(--r); padding: .5rem 1rem;
    font-family: var(--sans); font-size: .75rem;
    font-weight: 600; color: var(--g1);
    cursor: pointer; transition: all .2s var(--ease);
}
.pg-example-btn:hover {
    border-color: var(--accent-bd); color: var(--accent);
    background: var(--accent-bg); transform: translateY(-1px);
}

/* Empty */
.pg-empty {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    height: 100%; color: var(--g3);
    font-size: .85rem; gap: .5rem; padding: 2rem;
    text-align: center;
}
.pg-empty-icon { font-size: 2rem; opacity: .4; }

/* Success toast */
.pg-toast {
    position: fixed; bottom: 2rem; left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-3); border: 1px solid var(--c-automacao-bd);
    border-radius: var(--r); padding: .65rem 1.2rem;
    font-size: .78rem; font-weight: 600; color: var(--c-automacao);
    opacity: 0; transition: all .3s var(--ease);
    pointer-events: none; z-index: 9999; white-space: nowrap;
}
.pg-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Truncated notice */
.pg-truncated {
    color: var(--c-trafego); font-weight: 600;
}

/* ── AUTOCOMPLETE ── */
.pg-autocomplete {
    position: absolute; z-index: 50;
    background: var(--bg-2); border: 1px solid var(--accent-bd);
    border-radius: 6px; overflow: hidden;
    max-height: 220px; overflow-y: auto;
    box-shadow: 0 8px 24px rgba(0,0,0,.4);
    min-width: 200px;
    bottom: 100%; margin-bottom: .25rem;
    left: 1rem;
}
.pg-ac-item {
    padding: .4rem .7rem; font-family: var(--mono);
    font-size: .72rem; color: var(--g1);
    cursor: pointer; display: flex; align-items: center; gap: .5rem;
}
.pg-ac-item:hover, .pg-ac-item.active {
    background: var(--accent-bg); color: var(--white);
}
.pg-ac-tag {
    font-size: .5rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .5px;
    padding: .1rem .35rem; border-radius: 3px;
    flex-shrink: 0;
}
.pg-ac-keyword { background: rgba(96,165,250,.12); color: var(--c-social); }
.pg-ac-table { background: var(--accent-bg); color: var(--accent); }
.pg-ac-column { background: var(--c-design-bg); color: var(--c-design); }

/* ── FOOTER ── */
.pg-footer {
    padding: 1.5rem;
    border-top: 1px solid rgba(255,255,255,.04);
    font-size: .65rem; color: var(--g3);
    display: flex; justify-content: space-between; align-items: center;
}
.pg-footer a { color: var(--g2); transition: color .2s var(--ease); }
.pg-footer a:hover { color: var(--accent); }

/* ── THEME TOGGLE ── */
.pg-theme-toggle {
    background: none; border: 1px solid rgba(255,255,255,.1);
    border-radius: 6px; padding: .25rem .5rem;
    font-size: .75rem; cursor: pointer; color: var(--g2);
    transition: all .15s var(--ease); line-height: 1;
}
.pg-theme-toggle:hover { border-color: rgba(255,255,255,.2); color: var(--white); }

/* ── LIGHT MODE OVERRIDES ── */
[data-theme="light"] .pg-header {
    background: rgba(255,255,255,.92);
    border-bottom-color: rgba(0,0,0,.08);
}
[data-theme="light"] .pg-sidebar {
    border-right-color: rgba(0,0,0,.06);
}
[data-theme="light"] .pg-challenge {
    background: linear-gradient(135deg, rgba(0,0,0,.01), rgba(0,0,0,.03));
    border-color: rgba(0,0,0,.08);
}
[data-theme="light"] .pg-challenge:hover {
    background: linear-gradient(135deg, rgba(0,0,0,.02), rgba(0,0,0,.05));
    border-color: rgba(0,0,0,.15);
}
[data-theme="light"] .pg-challenge.active {
    background: linear-gradient(135deg, var(--accent-bg), rgba(13,148,136,.03));
    border-color: var(--accent);
}
[data-theme="light"] .pg-editor {
    border-color: rgba(0,0,0,.1);
}
[data-theme="light"] .pg-editor:focus { border-color: var(--accent); }
[data-theme="light"] .pg-result-table th {
    background: var(--bg-0); border-bottom-color: var(--accent-bd);
}
[data-theme="light"] .pg-result-table td {
    border-bottom-color: rgba(0,0,0,.04);
}
[data-theme="light"] .pg-result-table tr:hover td { background: rgba(0,0,0,.02); }
[data-theme="light"] .pg-table-item { border-color: rgba(0,0,0,.06); }
[data-theme="light"] .pg-table-header:hover { background: rgba(0,0,0,.03); }
[data-theme="light"] .pg-challenge-detail {
    background: linear-gradient(180deg, rgba(0,0,0,.02), transparent);
    border-bottom-color: rgba(0,0,0,.06);
}
[data-theme="light"] .pg-error {
    background: rgba(248,50,50,.04);
    border-color: rgba(248,50,50,.12);
}
[data-theme="light"] .pg-autocomplete {
    background: var(--bg-1); border-color: rgba(0,0,0,.12);
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
}
[data-theme="light"] .pg-theme-toggle {
    border-color: rgba(0,0,0,.1); color: var(--g2);
}
[data-theme="light"] .pg-theme-toggle:hover {
    border-color: rgba(0,0,0,.2); color: var(--white);
}
[data-theme="light"] .pg-level.iniciante { background: rgba(22,163,74,.1); color: #16a34a; }
[data-theme="light"] .pg-level.intermediario { background: rgba(217,119,6,.1); color: #d97706; }
[data-theme="light"] .pg-level.avancado { background: rgba(220,38,38,.08); color: #dc2626; }
[data-theme="light"] .pg-hint { color: #b45309; }
[data-theme="light"] .pg-toggle-btn {
    background: rgba(0,0,0,.03); border-color: rgba(0,0,0,.1);
    color: rgba(0,0,0,.5);
}
[data-theme="light"] .pg-toggle-btn:hover {
    border-color: rgba(0,0,0,.2); color: rgba(0,0,0,.7);
}
[data-theme="light"] .pg-hint,
[data-theme="light"] .pg-solution {
    background: rgba(0,0,0,.02); border-color: rgba(0,0,0,.06);
}
[data-theme="light"] .pg-solution { color: rgba(0,0,0,.6); }
[data-theme="light"] .pg-btn-clear {
    border-color: rgba(0,0,0,.1); color: rgba(0,0,0,.4);
}
[data-theme="light"] .pg-btn-clear:hover {
    border-color: rgba(0,0,0,.2); color: rgba(0,0,0,.6);
}
[data-theme="light"] .pg-btn-inspect {
    background: rgba(13,148,136,.06); border-color: rgba(13,148,136,.15);
}
[data-theme="light"] .pg-btn-back {
    border-color: rgba(0,0,0,.1); color: rgba(0,0,0,.5);
}
[data-theme="light"] .pg-btn-query-table {
    border-color: rgba(0,0,0,.08);
}
[data-theme="light"] .pg-example-btn {
    background: rgba(0,0,0,.03); border-color: rgba(0,0,0,.08);
    color: rgba(0,0,0,.6);
}
[data-theme="light"] .pg-example-btn:hover {
    background: var(--accent-bg); border-color: var(--accent-bd); color: var(--accent);
}
[data-theme="light"] .pg-footer {
    border-top-color: rgba(0,0,0,.06);
}
[data-theme="light"] .pg-sidebar {
    background: var(--bg-1);
    border-right-color: rgba(0,0,0,.06);
}
[data-theme="light"] .pg-col {
    background: rgba(0,0,0,.04);
}
[data-theme="light"] .pg-editor-wrap {
    border-bottom-color: rgba(0,0,0,.06);
}
[data-theme="light"] .pg-btn-run {
    box-shadow: 0 4px 16px rgba(13,148,136,.15);
}
[data-theme="light"] .pg-sidebar-divider {
    border-color: rgba(0,0,0,.06);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
    .pg-sidebar {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,.04);
        max-height: 40vh; overflow-y: auto;
    }
    .pg-editor { min-height: 100px; }
}