:root {
    --command-bg: #f5f7fa;
    --command-surface: #ffffff;
    --command-surface-muted: #eef3f8;
    --command-border: rgba(19, 33, 52, 0.12);
    --command-border-strong: rgba(19, 33, 52, 0.2);
    --command-text: #101827;
    --command-muted: #526070;
    --command-soft: #718095;
    --command-blue: #1b64d8;
    --command-green: #047857;
    --command-amber: #9a6700;
    --command-red: #b42318;
    --command-purple: #6d3fc8;
}

[data-theme="dark"] {
    --command-bg: #0d141f;
    --command-surface: #151f2e;
    --command-surface-muted: #1b293a;
    --command-border: rgba(174, 190, 211, 0.16);
    --command-border-strong: rgba(174, 190, 211, 0.28);
    --command-text: #f2f6fb;
    --command-muted: #c5d0df;
    --command-soft: #94a4b8;
    --command-blue: #6da8ff;
    --command-green: #55c795;
    --command-amber: #e3b341;
    --command-red: #ff8a80;
    --command-purple: #b49cff;
}

body.command-center-page {
    min-height: 100vh;
    margin: 0;
    background: var(--command-bg);
    color: var(--command-text);
    font-family: var(--font-body, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
}

body.command-center-page *,
body.command-center-page *::before,
body.command-center-page *::after,
body.command-redirect-page *,
body.command-redirect-page *::before,
body.command-redirect-page *::after {
    box-sizing: border-box;
}

body.command-center-page .gpt-header {
    background: rgba(245, 247, 250, 0.92);
}

[data-theme="dark"] body.command-center-page .gpt-header {
    background: rgba(13, 20, 31, 0.92);
}

.command-shell {
    width: calc(100% - 32px);
    max-width: 1180px;
    margin: 0 auto;
    padding: 28px 0 56px;
}

.command-status-band {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
    gap: 20px;
    align-items: stretch;
    margin-bottom: 18px;
}

.command-title-block,
.command-state-box,
.command-alert,
.command-auth-state,
.command-summary-strip,
.command-panel,
.command-chat-panel,
.command-chat-response {
    border: 1px solid var(--command-border);
    border-radius: 8px;
    background: var(--command-surface);
}

.command-title-block {
    padding: 24px;
}

.command-kicker,
.command-label {
    display: block;
    margin: 0 0 8px;
    color: var(--command-soft);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.command-title-block h1,
.command-auth-state h2,
.command-panel h2,
.command-chat-copy h2 {
    margin: 0;
    color: var(--command-text);
    letter-spacing: 0;
}

.command-title-block h1 {
    font-size: 2rem;
    line-height: 1.08;
}

.command-title-block p,
.command-state-box p,
.command-alert p,
.command-auth-state p,
.command-panel-note,
.command-chat-copy p,
.command-chat-response p {
    margin: 10px 0 0;
    color: var(--command-muted);
    line-height: 1.55;
}

.command-state-box {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.command-state-pill,
.command-panel-tag {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border: 1px solid var(--command-border);
    border-radius: 8px;
    background: var(--command-surface-muted);
    color: var(--command-muted);
    font-size: 0.76rem;
    font-weight: 800;
}

.command-state-pill[data-tone="ready"],
.command-panel-tag[data-tone="ready"] {
    border-color: rgba(4, 120, 87, 0.35);
    background: rgba(4, 120, 87, 0.1);
    color: var(--command-green);
}

.command-state-pill[data-tone="warn"],
.command-panel-tag[data-tone="warn"] {
    border-color: rgba(154, 103, 0, 0.35);
    background: rgba(154, 103, 0, 0.1);
    color: var(--command-amber);
}

.command-state-pill[data-tone="error"],
.command-panel-tag[data-tone="error"] {
    border-color: rgba(180, 35, 24, 0.35);
    background: rgba(180, 35, 24, 0.1);
    color: var(--command-red);
}

.command-state-actions,
.command-auth-actions,
.command-chat-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-top: auto;
}

.command-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 14px;
    border: 1px solid var(--command-border-strong);
    border-radius: 8px;
    background: var(--command-surface);
    color: var(--command-text);
    font: inherit;
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: 0;
    text-decoration: none;
    cursor: pointer;
}

.command-button:hover {
    border-color: var(--command-blue);
    color: var(--command-blue);
}

.command-button-primary {
    border-color: var(--command-blue);
    background: var(--command-blue);
    color: #ffffff;
}

.command-button-primary:hover {
    color: #ffffff;
    filter: brightness(0.94);
}

.command-button-secondary {
    color: var(--command-blue);
}

.command-button[disabled] {
    cursor: not-allowed;
    opacity: 0.58;
}

.command-alert {
    padding: 16px 18px;
    margin-bottom: 18px;
    border-color: rgba(154, 103, 0, 0.3);
    background: rgba(154, 103, 0, 0.08);
}

.command-alert[data-tone="error"] {
    border-color: rgba(180, 35, 24, 0.32);
    background: rgba(180, 35, 24, 0.08);
}

.command-auth-state {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
    padding: 20px;
    margin-bottom: 18px;
}

.command-auth-state[hidden],
.command-dashboard[hidden],
.command-alert[hidden],
.command-yahoo-attribution[hidden],
.command-chat-response[hidden] {
    display: none;
}

.command-dashboard {
    margin-bottom: 18px;
}

.command-summary-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    background: var(--command-border);
}

.command-summary-strip > div {
    min-width: 0;
    padding: 16px;
    background: var(--command-surface);
}

.command-summary-strip strong,
.command-detail-list dd {
    display: block;
    min-width: 0;
    overflow-wrap: anywhere;
}

.command-yahoo-attribution {
    margin-top: 12px;
    color: var(--command-muted);
    font-size: 0.86rem;
}

.command-yahoo-attribution a {
    color: var(--command-blue);
    font-weight: 800;
}

.command-panel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 18px;
}

.command-panel {
    min-width: 0;
    padding: 18px;
}

.command-panel-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 14px;
}

.command-panel h2,
.command-chat-copy h2 {
    font-size: 1.14rem;
    line-height: 1.25;
}

.command-detail-list {
    display: grid;
    grid-template-columns: minmax(120px, 0.42fr) minmax(0, 1fr);
    gap: 1px;
    margin: 0;
    border: 1px solid var(--command-border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--command-border);
}

.command-detail-list dt,
.command-detail-list dd {
    margin: 0;
    padding: 11px 12px;
    background: var(--command-surface);
}

.command-detail-list dt {
    color: var(--command-soft);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.command-detail-list dd {
    color: var(--command-text);
    font-weight: 700;
}

.command-panel-note {
    min-height: 24px;
    font-size: 0.9rem;
}

.command-chat-panel {
    display: grid;
    grid-template-columns: minmax(230px, 0.42fr) minmax(0, 1fr);
    gap: 18px;
    padding: 20px;
}

.command-chat-form {
    display: grid;
    gap: 10px;
}

.command-chat-form label {
    color: var(--command-soft);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.command-chat-form textarea {
    width: 100%;
    min-height: 118px;
    resize: vertical;
    border: 1px solid var(--command-border-strong);
    border-radius: 8px;
    padding: 12px;
    background: var(--command-surface);
    color: var(--command-text);
    font: inherit;
    line-height: 1.45;
}

.command-chat-form textarea:focus {
    outline: 2px solid rgba(27, 100, 216, 0.28);
    outline-offset: 2px;
    border-color: var(--command-blue);
}

#command-chat-status {
    color: var(--command-muted);
    font-size: 0.88rem;
}

.command-chat-response {
    grid-column: 2;
    padding: 14px;
    background: var(--command-surface-muted);
}

.command-chat-response h3 {
    margin: 0;
    font-size: 0.84rem;
    text-transform: uppercase;
    color: var(--command-soft);
}

.command-redirect-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    margin: 0;
    background: var(--command-bg, #f5f7fa);
    color: var(--command-text, #101827);
    font-family: var(--font-body, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
}

.command-redirect {
    width: calc(100% - 32px);
    max-width: 440px;
    padding: 24px;
    border: 1px solid var(--command-border, rgba(19, 33, 52, 0.12));
    border-radius: 8px;
    background: var(--command-surface, #ffffff);
    text-align: center;
}

.command-redirect h1 {
    margin: 0 0 10px;
    font-size: 1.5rem;
    letter-spacing: 0;
}

.command-redirect a {
    color: var(--command-blue, #1b64d8);
    font-weight: 800;
}

@media (max-width: 860px) {
    .command-shell {
        width: calc(100% - 24px);
        max-width: 720px;
        padding-top: 20px;
    }

    .command-status-band,
    .command-auth-state,
    .command-panel-grid,
    .command-chat-panel {
        grid-template-columns: 1fr;
    }

    .command-summary-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .command-chat-response {
        grid-column: auto;
    }
}

@media (max-width: 480px) {
    .command-shell {
        width: calc(100% - 18px);
        max-width: 420px;
        padding-top: 14px;
    }

    .command-title-block,
    .command-state-box,
    .command-auth-state,
    .command-panel,
    .command-chat-panel {
        padding: 16px;
    }

    .command-title-block h1 {
        font-size: 1.62rem;
    }

    .command-summary-strip,
    .command-detail-list {
        grid-template-columns: 1fr;
    }

    .command-state-actions,
    .command-auth-actions,
    .command-chat-actions {
        align-items: stretch;
    }

    .command-button {
        width: 100%;
    }
}