/**
 * Tử Vi landing — hierarchy, density, warm science-tool palette.
 * Scope: entry hero + actions + signature + compact footer. Logic unchanged.
 */

body.tuvi-tool-page.tuvi-orbit-theme {
    --tv-page: #f8f6f1;
    --tv-surface: #fcfbf8;
    --tv-ink: #26231f;
    --tv-ink-muted: #787168;
    --tv-border: #e7e0d5;
    --tv-gold: #a9853a;
    --tv-gold-soft: rgba(169, 133, 58, 0.12);
}

body.tuvi-tool-page.tuvi-orbit-theme,
html[data-theme="light"] body.tuvi-tool-page.tuvi-orbit-theme {
    background: var(--tv-page) !important;
    color: var(--tv-ink);
}

.tuvi-tool-page .tuvi-orbit-page {
    max-width: 1120px;
    margin: 0 auto;
    padding: clamp(3.5rem, 6vw, 4.5rem) 20px 2.5rem;
}

/* —— Entry —— */
.tuvi-tool-page .tuvi-entry {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    text-align: center;
    animation: tuvi-landing-in 220ms ease-out both;
}

@keyframes tuvi-landing-in {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tuvi-tool-page .tuvi-entry__hero {
    position: relative;
    margin: 0 auto 2.5rem;
    max-width: 36rem;
    padding: 0 0.5rem;
}

.tuvi-tool-page .tuvi-entry__decor {
    position: absolute;
    inset: -4rem -2rem auto;
    height: 14rem;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.tuvi-tool-page .tuvi-entry__decor-svg {
    width: 100%;
    height: 100%;
    opacity: 0.22;
    animation: tuvi-decor-drift 48s linear infinite;
}

@keyframes tuvi-decor-drift {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.tuvi-tool-page .tuvi-decor-ring {
    fill: none;
    stroke: var(--tv-gold);
    stroke-width: 0.75;
}

.tuvi-tool-page .tuvi-decor-ring--outer {
    opacity: 0.35;
}

.tuvi-tool-page .tuvi-decor-ring--inner {
    opacity: 0.25;
}

.tuvi-tool-page .tuvi-decor-orbit {
    fill: none;
    stroke: var(--tv-ink-muted);
    stroke-width: 0.5;
    opacity: 0.35;
    transform-origin: 200px 200px;
}

.tuvi-tool-page .tuvi-entry__mark {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--tv-gold);
}

.tuvi-tool-page .tuvi-mark-svg {
    display: block;
}

.tuvi-tool-page .tuvi-entry__title {
    position: relative;
    z-index: 1;
    margin: 0 0 0.85rem;
    font-family: "Source Serif 4", "Source Serif Pro", Georgia, serif;
    font-size: clamp(1.875rem, 4.5vw, 2.625rem);
    font-weight: 650;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--tv-ink);
}

.tuvi-tool-page .tuvi-entry__lead {
    position: relative;
    z-index: 1;
    margin: 0 auto;
    max-width: 28rem;
    font-size: clamp(0.9375rem, 2vw, 1.0625rem);
    font-weight: 400;
    line-height: 1.55;
    color: var(--tv-ink-muted);
}

.tuvi-tool-page .tuvi-entry__version {
    position: relative;
    z-index: 1;
    margin: 1.35rem 0 0;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--tv-ink-muted);
    opacity: 0.85;
}

/* —— Action panels —— */
.tuvi-tool-page .tuvi-entry__modes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin: 0 auto 1.75rem;
    max-width: 52rem;
    text-align: left;
}

.tuvi-tool-page .tuvi-action-panel {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    min-height: 0;
    padding: 1.5rem 1.65rem 1.35rem;
    border: 1px solid var(--tv-border);
    border-radius: 18px;
    background: color-mix(in srgb, var(--tv-surface) 88%, transparent);
    color: var(--tv-ink);
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    box-shadow: none;
    transition:
        border-color 0.2s ease,
        transform 0.2s ease,
        background 0.2s ease;
}

.tuvi-tool-page .tuvi-action-panel:hover {
    border-color: color-mix(in srgb, var(--tv-gold) 45%, var(--tv-border));
    background: var(--tv-surface);
    transform: translateY(-2px);
}

.tuvi-tool-page .tuvi-action-panel:hover .tuvi-action-panel__icon {
    transform: scale(1.04);
}

.tuvi-tool-page .tuvi-action-panel:focus-visible {
    outline: none;
    border-color: var(--tv-gold);
    box-shadow: 0 0 0 3px var(--tv-gold-soft);
}

.tuvi-tool-page .tuvi-action-panel__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    color: var(--tv-gold);
    transition: transform 0.25s ease;
}

.tuvi-tool-page .tuvi-action-panel__content {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    flex: 1;
}

.tuvi-tool-page .tuvi-action-panel__title {
    font-size: 1.0625rem;
    font-weight: 650;
    letter-spacing: -0.01em;
    line-height: 1.3;
    color: var(--tv-ink);
}

.tuvi-tool-page .tuvi-action-panel__desc {
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--tv-ink-muted);
}

.tuvi-tool-page .tuvi-action-panel__cta {
    margin-top: auto;
    padding-top: 0.35rem;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--tv-gold);
}

.tuvi-tool-page .tuvi-action-panel:hover .tuvi-action-panel__cta {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* —— Secondary nav —— */
.tuvi-tool-page .tuvi-entry__secondary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.35rem 0.5rem;
    margin-bottom: 0;
    font-size: 0.8125rem;
}

.tuvi-tool-page .tuvi-entry__link {
    font-size: inherit;
    font-weight: 500;
    color: var(--tv-ink-muted);
    text-decoration: none;
}

.tuvi-tool-page .tuvi-entry__link:hover {
    color: var(--tv-ink);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.tuvi-tool-page .tuvi-entry__sep {
    color: var(--tv-border);
    user-select: none;
}

/* —— Engine signature (in-content, not footer) —— */
.tuvi-tool-page .tuvi-engine-signature {
    margin: clamp(4rem, 8vw, 5rem) auto 0;
    max-width: 22rem;
    text-align: center;
    opacity: 0.6;
}

.tuvi-tool-page .tuvi-engine-signature__mark {
    display: flex;
    justify-content: center;
    margin-bottom: 0.5rem;
    color: var(--tv-ink-muted);
}

.tuvi-tool-page .tuvi-engine-signature__brand {
    margin: 0 0 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--tv-ink-muted);
}

.tuvi-tool-page .tuvi-engine-signature__powered {
    margin: 0;
    font-size: 0.6875rem;
    line-height: 1.45;
    color: var(--tv-ink-muted);
}

/* —— Compact footer —— */
.tuvi-tool-page footer.tuvi-site-footer {
    background: transparent;
    border-top: 1px solid var(--tv-border);
    padding: 1.1rem 20px 1.35rem;
    margin-top: 2.5rem;
}

.tuvi-tool-page .tuvi-site-footer__inner {
    max-width: 1120px;
    margin: 0 auto;
    text-align: center;
}

.tuvi-tool-page .tuvi-site-footer__line1,
.tuvi-tool-page .tuvi-site-footer__line2 {
    margin: 0;
    font-size: 0.75rem;
    line-height: 1.5;
    color: var(--tv-ink-muted);
}

.tuvi-tool-page .tuvi-site-footer__line2 {
    margin-top: 0.35rem;
}

.tuvi-tool-page .tuvi-site-footer__line2 a {
    color: inherit;
    text-decoration: none;
}

.tuvi-tool-page .tuvi-site-footer__line2 a:hover {
    color: var(--tv-ink);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* —— Back control (workflow) —— */
.tuvi-tool-page .tuvi-entry-back {
    margin-top: -0.5rem;
}

@media (max-width: 720px) {
    .tuvi-tool-page .tuvi-entry__modes {
        grid-template-columns: 1fr;
    }

    .tuvi-tool-page .tuvi-orbit-page {
        padding-top: 2.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .tuvi-tool-page .tuvi-entry {
        animation: none;
    }

    .tuvi-tool-page .tuvi-entry__decor-svg {
        animation: none;
    }

    .tuvi-tool-page .tuvi-action-panel:hover {
        transform: none;
    }
}