/* ============================================
   ASTRO LAB
   Advanced optics & imaging tools
   ============================================ */

.astro-lab-hero,
.astro-lab-tool-hero {
    position: relative;
    overflow: hidden;
    color: #fff;
    background:
        radial-gradient(circle at 12% 18%, rgba(100, 103, 255, .34), transparent 22rem),
        radial-gradient(circle at 84% 52%, rgba(51, 211, 183, .18), transparent 25rem),
        linear-gradient(135deg, #070f22 0%, #142654 52%, #123d53 100%);
}

.astro-lab-hero::before,
.astro-lab-tool-hero::before {
    position: absolute;
    inset: 0;
    content: '';
    opacity: .55;
    pointer-events: none;
    background-image:
        radial-gradient(circle, rgba(255,255,255,.92) 0 1px, transparent 1.5px),
        radial-gradient(circle, rgba(165,203,255,.65) 0 1px, transparent 1.5px);
    background-position: 0 0, 43px 28px;
    background-size: 87px 87px, 131px 131px;
}

.astro-lab-hero .container,
.astro-lab-tool-hero .container {
    position: relative;
    z-index: 1;
}

.astro-lab-hero-grid,
.astro-lab-tool-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, .48fr);
    gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
}

.astro-lab-hero-grid {
    min-height: 475px;
    padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.astro-lab-hero-copy {
    max-width: 760px;
}

.astro-lab-hero h1,
.astro-lab-tool-hero h1 {
    margin: .6rem 0 .85rem;
    color: #fff;
    font-family: 'Space Grotesk', var(--font-main);
    font-size: clamp(2.7rem, 6vw, 4.8rem);
    letter-spacing: -.05em;
}

.astro-lab-tool-hero h1 {
    font-size: clamp(2.35rem, 5vw, 4rem);
}

.astro-lab-hero p,
.astro-lab-tool-hero p {
    max-width: 760px;
    margin-bottom: 0;
    color: rgba(232, 240, 255, .78);
    font-size: clamp(1rem, 2vw, 1.18rem);
}

.astro-lab-hero-links {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-top: 1.7rem;
}

.astro-lab-hero-links .btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    border-radius: .75rem;
    font-weight: 750;
}

.astro-lab-orbit {
    position: relative;
    width: min(100%, 360px);
    aspect-ratio: 1;
    margin-inline: auto;
}

.orbit-ring {
    position: absolute;
    inset: 15%;
    border: 1px solid rgba(173, 207, 255, .25);
    border-radius: 50%;
}

.orbit-ring-two {
    inset: 31%;
    border-color: rgba(91, 223, 197, .32);
}

.orbit-core,
.orbit-node {
    position: absolute;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    box-shadow: 0 18px 55px rgba(0, 0, 0, .28);
}

.orbit-core {
    inset: 50% auto auto 50%;
    width: 92px;
    height: 92px;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    background: linear-gradient(135deg, #6679ff, #3751b8);
}

.orbit-node {
    width: 52px;
    height: 52px;
    font-size: 1.05rem;
    background: rgba(12, 31, 62, .96);
    border: 1px solid rgba(181, 211, 255, .28);
}

.orbit-node-one { top: 10%; left: 52%; }
.orbit-node-two { bottom: 13%; left: 19%; }
.orbit-node-three { right: 7%; bottom: 28%; }

.astro-lab-section,
.astro-lab-tool-section {
    padding: clamp(3rem, 7vw, 5.5rem) 0;
    background:
        radial-gradient(circle at 7% 8%, rgba(95, 107, 229, .08), transparent 22rem),
        radial-gradient(circle at 96% 54%, rgba(30, 157, 147, .07), transparent 26rem),
        linear-gradient(180deg, #f7faff 0%, #f2f6fb 100%);
}

.astro-lab-section-title {
    max-width: 820px;
    margin-left: 0;
    margin-right: 0;
    text-align: left;
}

.astro-lab-section-title::before { margin-left: 0; }
.astro-lab-section-title p { margin-left: 0; }

.astro-lab-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

.astro-lab-card {
    position: relative;
    display: flex;
    min-height: 300px;
    flex-direction: column;
    padding: clamp(1.5rem, 3vw, 2rem);
    overflow: hidden;
    border: 1px solid #dfe7f3;
    border-radius: 1.2rem;
    color: var(--color-text);
    background: rgba(255, 255, 255, .92);
    box-shadow: 0 16px 42px rgba(22, 42, 82, .07);
}

.astro-lab-card::after {
    position: absolute;
    right: -48px;
    bottom: -60px;
    width: 160px;
    height: 160px;
    border: 1px solid rgba(98, 111, 218, .11);
    border-radius: 50%;
    content: '';
    box-shadow: 0 0 0 28px rgba(98, 111, 218, .035), 0 0 0 56px rgba(98, 111, 218, .02);
}

.astro-lab-card-live {
    border-color: #b9c6ef;
    background:
        linear-gradient(135deg, rgba(245, 247, 255, .98), rgba(244, 255, 252, .95));
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.astro-lab-card-live:hover {
    color: var(--color-text);
    text-decoration: none;
    transform: translateY(-5px);
    border-color: #8395df;
    box-shadow: 0 24px 55px rgba(28, 53, 112, .13);
}

.astro-lab-card-icon {
    position: relative;
    z-index: 1;
    display: grid;
    width: 3.25rem;
    height: 3.25rem;
    place-items: center;
    border-radius: 1rem;
    color: #fff;
    font-size: 1.25rem;
    background: linear-gradient(135deg, #6678f1, #334fb1);
    box-shadow: 0 12px 26px rgba(61, 82, 180, .22);
}

.astro-lab-card:nth-child(3) .astro-lab-card-icon { background: linear-gradient(135deg, #2b9caf, #28628d); }
.astro-lab-card:nth-child(4) .astro-lab-card-icon { background: linear-gradient(135deg, #8063d8, #4d3a9d); }
.astro-lab-card:nth-child(5) .astro-lab-card-icon { background: linear-gradient(135deg, #288f82, #1e5b63); }

.astro-lab-card-number {
    position: absolute;
    top: 1.4rem;
    right: 1.5rem;
    color: #d6ddeb;
    font-family: 'Space Grotesk', var(--font-main);
    font-size: 2rem;
    font-weight: 700;
}

.astro-lab-status {
    position: relative;
    z-index: 1;
    align-self: flex-start;
    margin-top: 1.25rem;
    padding: .28rem .6rem;
    border-radius: 999px;
    color: #68758c;
    background: #eef2f7;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .03em;
    text-transform: uppercase;
}

.astro-lab-status-live {
    color: #176a4c;
    background: #ddf8eb;
}

.astro-lab-card h2 {
    position: relative;
    z-index: 1;
    margin: 1rem 0 .65rem;
    font-family: 'Space Grotesk', var(--font-main);
    font-size: clamp(1.35rem, 2.8vw, 1.9rem);
    letter-spacing: -.025em;
}

.astro-lab-card p {
    position: relative;
    z-index: 1;
    color: #68778d;
}

.astro-lab-card-action {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    margin-top: auto;
    color: #3e56bd;
    font-weight: 800;
}

.astro-lab-card-action i { transition: transform .2s ease; }
.astro-lab-card-live:hover .astro-lab-card-action i { transform: translateX(4px); }

.astro-lab-note {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-top: 2rem;
    padding: 1.2rem 1.35rem;
    border: 1px solid #dbe5f2;
    border-radius: 1rem;
    color: #53657e;
    background: rgba(255,255,255,.75);
}

.astro-lab-note > i {
    margin-top: .2rem;
    color: #5167ce;
    font-size: 1.15rem;
}

.astro-lab-note strong { color: #263851; }
.astro-lab-note p { margin: .2rem 0 0; }

/* Tool page */
.astro-lab-tool-hero .tools-back-link {
    position: relative;
    z-index: 2;
}

.astro-lab-tool-hero-grid {
    min-height: 365px;
    padding: 1.2rem 0 clamp(3.3rem, 6vw, 5.2rem);
}

.optical-train-mini {
    position: relative;
    min-height: 220px;
    border: 1px solid rgba(181, 209, 255, .18);
    border-radius: 1.25rem;
    background: rgba(6, 18, 39, .45);
    box-shadow: inset 0 0 55px rgba(91, 115, 235, .09);
}

.mini-scope,
.mini-optic,
.mini-focus {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.mini-scope {
    left: 9%;
    color: #dbe7fb;
    font-size: 2.2rem;
}

.mini-optic {
    left: 49%;
    display: grid;
    width: 44px;
    height: 74px;
    place-items: center;
    border: 2px solid #f0bb55;
    border-radius: 45%;
    color: #ffe5ad;
    background: rgba(240, 187, 85, .12);
    font-size: .72rem;
    font-weight: 800;
}

.mini-focus {
    right: 11%;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #9ddcff;
    box-shadow: 0 0 22px rgba(126, 210, 255, .85);
}

.mini-ray {
    position: absolute;
    left: 21%;
    right: 12%;
    top: 50%;
    height: 1px;
    transform-origin: right center;
    background: linear-gradient(90deg, rgba(139, 213, 255, .1), rgba(139, 213, 255, .9));
}

.mini-ray-one { transform: rotate(12deg); }
.mini-ray-two { transform: rotate(-12deg); }

.lab-calculator-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.06fr) minmax(380px, .94fr);
    gap: 1.4rem;
    align-items: start;
}

.lab-input-column {
    display: grid;
    gap: 1.15rem;
}

.lab-panel,
.lab-results-panel {
    border: 1px solid #dce6f2;
    border-radius: 1.2rem;
    background: rgba(255,255,255,.96);
    box-shadow: 0 15px 40px rgba(23, 43, 81, .065);
}

.lab-panel { padding: clamp(1.25rem, 2.4vw, 1.7rem); }

.lab-panel-heading {
    display: flex;
    gap: .85rem;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.lab-panel-icon {
    display: grid;
    width: 2.7rem;
    height: 2.7rem;
    flex: 0 0 auto;
    place-items: center;
    border-radius: .8rem;
    color: #fff;
    background: linear-gradient(135deg, #6578ed, #3b51ae);
}

.lab-panel-heading h2 {
    margin: 0 0 .2rem;
    font-family: 'Space Grotesk', var(--font-main);
    font-size: 1.25rem;
    letter-spacing: -.02em;
}

.lab-panel-heading p {
    margin: 0;
    color: #718096;
    font-size: .9rem;
}

.lab-field-grid {
    display: grid;
    gap: 1rem;
}

.lab-field-grid-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lab-field-grid-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.lab-field-grid label {
    margin-bottom: .4rem;
    color: #34455c;
    font-size: .83rem;
    font-weight: 750;
}

.lab-input {
    min-height: 46px;
    border-color: #d6e0ed;
    border-radius: .7rem;
    color: #22344b;
    background: #fbfdff;
}

.lab-input:focus {
    border-color: #7187df;
    box-shadow: 0 0 0 .2rem rgba(88, 107, 209, .12);
}

.scope-native-summary {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto;
    gap: .5rem .9rem;
    align-items: center;
    margin-top: 1rem;
    padding: .85rem 1rem;
    border-radius: .8rem;
    color: #64748a;
    background: #f4f7fb;
    font-size: .8rem;
}

.scope-native-summary strong {
    color: #24364f;
    font-size: .95rem;
}

.lab-mode-toggle {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .5rem;
    padding: .35rem;
    border: 1px solid #dce5f1;
    border-radius: .9rem;
    background: #f3f6fb;
}

.lab-mode-button {
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    border: 0;
    border-radius: .7rem;
    color: #607087;
    background: transparent;
    font-weight: 800;
    cursor: pointer;
    transition: all .18s ease;
}

.lab-mode-button:hover { color: #33445e; }

.lab-mode-button.active {
    color: #fff;
    background: linear-gradient(135deg, #596dd7, #344dad);
    box-shadow: 0 8px 20px rgba(54, 73, 165, .22);
}

.lab-mode-fields { margin-top: 1rem; }

.camera-preset-row {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    align-items: center;
    margin-top: .9rem;
    color: #758397;
    font-size: .75rem;
}

.camera-preset {
    border: 1px solid #d6dfec;
    border-radius: 999px;
    padding: .28rem .58rem;
    color: #4a5e79;
    background: #f8faff;
    font-size: .72rem;
    font-weight: 700;
    cursor: pointer;
}

.camera-preset:hover {
    border-color: #aebde1;
    color: #334d9a;
    background: #f2f5ff;
}

.lab-results-column {
    position: sticky;
    top: 84px;
}

.lab-results-panel {
    overflow: hidden;
    padding: clamp(1.25rem, 2.6vw, 1.7rem);
}

.lab-results-heading {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.lab-results-kicker {
    display: block;
    margin-bottom: .18rem;
    color: #78869a;
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.lab-results-heading h2 {
    margin: 0;
    font-family: 'Space Grotesk', var(--font-main);
    font-size: 1.4rem;
    letter-spacing: -.025em;
}

.lab-result-badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem .65rem;
    border-radius: 999px;
    color: #4054a3;
    background: #edf1ff;
    font-size: .72rem;
    font-weight: 800;
}

.lab-primary-results,
.lab-secondary-results {
    display: grid;
    gap: .65rem;
}

.lab-primary-results { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lab-secondary-results { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: .8rem; }

.lab-primary-result,
.lab-secondary-results > div {
    min-width: 0;
    padding: .85rem .9rem;
    border: 1px solid #e2e9f2;
    border-radius: .85rem;
    background: #f8fafd;
}

.lab-primary-result-accent {
    border-color: #cbd5fb;
    background: linear-gradient(135deg, #f1f3ff, #f3fbff);
}

.lab-primary-result span,
.lab-secondary-results span {
    display: block;
    margin-bottom: .25rem;
    color: #7b8799;
    font-size: .69rem;
    font-weight: 750;
    letter-spacing: .02em;
    text-transform: uppercase;
}

.lab-primary-result strong,
.lab-secondary-results strong {
    display: block;
    color: #25364e;
    font-family: 'Space Grotesk', var(--font-main);
    font-size: 1.25rem;
    line-height: 1.15;
}

.lab-primary-result small {
    display: block;
    margin-top: .3rem;
    color: #8793a4;
    font-size: .65rem;
    line-height: 1.35;
}

.lab-canvas-wrap {
    margin-top: 1rem;
    overflow: hidden;
    border: 1px solid #213858;
    border-radius: 1rem;
    background: #071225;
}

#optics-canvas {
    display: block;
    width: 100%;
    height: auto;
    min-height: 260px;
}

.lab-canvas-caption {
    padding: .65rem .85rem;
    border-top: 1px solid rgba(154, 191, 235, .14);
    color: #a9bad2;
    background: #0a182d;
    font-size: .68rem;
    line-height: 1.45;
}

.lab-guidance {
    display: grid;
    gap: .55rem;
    margin: .9rem 0;
}

.lab-guidance-item {
    display: flex;
    gap: .65rem;
    align-items: flex-start;
    padding: .75rem .8rem;
    border: 1px solid #dfe7f2;
    border-radius: .8rem;
    color: #586a82;
    background: #f8fafd;
    font-size: .78rem;
    line-height: 1.5;
}

.lab-guidance-item i { margin-top: .2rem; color: #6276cb; }
.lab-guidance-success { border-color: #cfeadd; background: #f2fbf6; }
.lab-guidance-success i { color: #27926a; }
.lab-guidance-warning { border-color: #f0dcc1; background: #fff9ef; }
.lab-guidance-warning i { color: #d18327; }
.lab-guidance-info { border-color: #d8e4f3; background: #f5f9fd; }

.lab-explainer { margin-top: clamp(3rem, 6vw, 4.8rem); }

.lab-explainer-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.lab-explainer-grid article {
    padding: 1.25rem;
    border: 1px solid #dde6f1;
    border-radius: 1rem;
    background: rgba(255,255,255,.82);
}

.lab-explainer-grid article > i {
    margin-bottom: .8rem;
    color: #5368cd;
    font-size: 1.2rem;
}

.lab-explainer-grid h3 {
    margin-bottom: .5rem;
    font-family: 'Space Grotesk', var(--font-main);
    font-size: 1rem;
}

.lab-explainer-grid p {
    margin: 0;
    color: #6f7f94;
    font-size: .8rem;
}

.lab-disclaimer { margin-top: 1rem; }

@media (max-width: 1100px) {
    .astro-lab-hero-grid,
    .astro-lab-tool-hero-grid {
        grid-template-columns: minmax(0, 1fr) minmax(220px, .38fr);
    }

    .lab-calculator-layout {
        grid-template-columns: 1fr;
    }

    .lab-results-column { position: static; }
    .lab-explainer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
    .astro-lab-hero-grid,
    .astro-lab-tool-hero-grid {
        grid-template-columns: 1fr;
    }

    .astro-lab-hero-grid { min-height: 0; }
    .astro-lab-orbit,
    .optical-train-mini { display: none; }

    .astro-lab-grid,
    .lab-primary-results,
    .lab-secondary-results,
    .lab-field-grid-two,
    .lab-field-grid-three,
    .lab-explainer-grid {
        grid-template-columns: 1fr;
    }

    .astro-lab-card { min-height: 280px; }
    .scope-native-summary { grid-template-columns: 1fr auto; }
    .lab-panel-heading-mode { margin-bottom: 1rem; }
    .lab-results-heading { align-items: flex-start; }
    #optics-canvas { min-height: 230px; }
}

@media (max-width: 480px) {
    .astro-lab-hero-links { flex-direction: column; }
    .astro-lab-hero-links .btn { justify-content: center; }
    .lab-mode-button { font-size: .82rem; }
    .lab-results-panel,
    .lab-panel { border-radius: 1rem; }
}

/* Phase 2: Sub-exposure Optimizer */
.exposure-tool-hero {
    background: radial-gradient(circle at 78% 22%, rgba(120, 109, 232, .18), transparent 30%),
                linear-gradient(135deg, #09162a 0%, #10264a 52%, #172960 100%);
}

.exposure-hero-meter {
    position: relative;
    width: min(270px, 72vw);
    aspect-ratio: 1.55 / 1;
    margin-inline: auto;
}

.exposure-hero-arc {
    position: absolute;
    inset: 16% 8% 0;
    border: 13px solid rgba(255,255,255,.12);
    border-bottom: 0;
    border-radius: 180px 180px 0 0;
    box-shadow: inset 0 0 24px rgba(120, 184, 255, .13);
}

.exposure-hero-needle {
    position: absolute;
    left: 50%;
    bottom: 8%;
    width: 4px;
    height: 60%;
    border-radius: 99px;
    background: linear-gradient(#a9c4ff, #fff);
    transform: translateX(-50%) rotate(18deg);
    transform-origin: 50% 100%;
    box-shadow: 0 0 15px rgba(166, 201, 255, .45);
}

.exposure-hero-dot {
    position: absolute;
    left: 50%;
    bottom: 4%;
    width: 24px;
    height: 24px;
    border: 6px solid rgba(255,255,255,.4);
    border-radius: 50%;
    background: #eff5ff;
    transform: translateX(-50%);
}

.exposure-hero-label {
    position: absolute;
    left: 50%;
    top: 33%;
    transform: translateX(-50%);
    color: rgba(226, 236, 255, .42);
    font: 800 1.05rem 'Space Grotesk', var(--font-main);
    letter-spacing: .16em;
}

.lab-readonly-value {
    min-height: 42px;
    display: flex;
    align-items: center;
    padding: .65rem .8rem;
    border: 1px solid #e0e7f0;
    border-radius: .7rem;
    background: #f5f8fc;
    color: #354964;
    font-size: .8rem;
    font-weight: 750;
    line-height: 1.35;
}

.camera-profile-summary {
    display: grid;
    gap: .18rem;
    margin-top: .9rem;
    padding: .85rem 1rem;
    border: 1px solid #dfe7f3;
    border-radius: .85rem;
    background: linear-gradient(135deg, #f8faff, #f5f9fc);
}

.camera-profile-summary strong { color: #273a55; font-size: .86rem; }
.camera-profile-summary span { color: #66778e; font-size: .74rem; line-height: 1.45; }
.camera-profile-summary small { color: #8a96a7; font-size: .66rem; line-height: 1.4; }
.custom-camera-fields { margin-top: 1rem; }

.lab-advanced-details {
    margin-top: .9rem;
    border: 1px solid #e0e7f0;
    border-radius: .85rem;
    background: #f8fafc;
}

.lab-advanced-details summary {
    cursor: pointer;
    padding: .8rem .95rem;
    color: #40536d;
    font-size: .78rem;
    font-weight: 800;
}

.lab-advanced-details[open] summary { border-bottom: 1px solid #e4eaf2; }
.lab-advanced-details > .lab-field-grid { padding: .9rem .95rem 0; }
.lab-detail-note { margin: .6rem .95rem .9rem; color: #7a8798; font-size: .68rem; line-height: 1.5; }

.exposure-recommendation {
    margin-bottom: 1rem;
    padding: 1rem 1.05rem;
    border: 1px solid #cbd6fb;
    border-radius: 1rem;
    background: linear-gradient(135deg, #eff2ff 0%, #edf9ff 100%);
}

.exposure-recommendation > span {
    display: block;
    color: #65779a;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.exposure-recommendation > strong {
    display: block;
    margin: .12rem 0 .3rem;
    color: #253f9e;
    font: 800 clamp(2.15rem, 6vw, 3.25rem)/1 'Space Grotesk', var(--font-main);
    letter-spacing: -.05em;
}

.exposure-recommendation p { margin: 0; color: #64758d; font-size: .72rem; line-height: 1.5; }

.exposure-dial {
    margin: 1rem 0;
    padding: .9rem .8rem .7rem;
    border: 1px solid #dfe6ef;
    border-radius: 1rem;
    background: #fbfcfe;
}

.exposure-dial-face {
    position: relative;
    width: min(360px, 100%);
    aspect-ratio: 2 / 1;
    margin: 0 auto;
    overflow: hidden;
}

.exposure-dial-face::before {
    content: '';
    position: absolute;
    left: 5%;
    right: 5%;
    bottom: -82%;
    height: 164%;
    border-radius: 50%;
    background: conic-gradient(from 270deg at 50% 50%, #da626a 0deg 58deg, #e9b74b 58deg 85deg, #5bbd85 85deg 116deg, #8aaa67 116deg 137deg, #d49a55 137deg 180deg, transparent 180deg 360deg);
}

.exposure-dial-face::after {
    content: '';
    position: absolute;
    left: 14%;
    right: 14%;
    bottom: -66%;
    height: 132%;
    border-radius: 50%;
    background: #fbfcfe;
}

.dial-zone {
    position: absolute;
    z-index: 3;
    bottom: 7%;
    color: #6a7688;
    font-size: .58rem;
    font-weight: 800;
    line-height: 1.15;
    text-align: center;
    text-transform: uppercase;
}

.dial-zone-left { left: 2%; text-align: left; }
.dial-zone-mid { left: 50%; transform: translateX(-50%); color: #31815a; }
.dial-zone-right { right: 1%; text-align: right; }

.dial-needle {
    position: absolute;
    z-index: 5;
    left: 50%;
    bottom: 0;
    width: 3px;
    height: 79%;
    border-radius: 99px;
    background: #293951;
    transform: translateX(-50%) rotate(0deg);
    transform-origin: 50% 100%;
    transition: transform .25s ease;
}

.dial-hub {
    position: absolute;
    z-index: 6;
    left: 50%;
    bottom: -5px;
    width: 18px;
    height: 18px;
    border: 4px solid #d8e0eb;
    border-radius: 50%;
    background: #33465f;
    transform: translateX(-50%);
}

.exposure-dial-scale {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: .35rem;
    color: #78869a;
    font-size: .65rem;
    font-weight: 750;
}
.exposure-dial-scale span:nth-child(2) { text-align: center; color: #3a7958; }
.exposure-dial-scale span:last-child { text-align: right; }

.exposure-secondary-results { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.camera-noise-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .45rem;
    margin-top: .8rem;
}

.camera-noise-strip > div {
    padding: .6rem .55rem;
    border-radius: .7rem;
    background: #101e33;
    text-align: center;
}

.camera-noise-strip span { display: block; color: #8295af; font-size: .58rem; font-weight: 800; text-transform: uppercase; }
.camera-noise-strip strong { display: block; margin-top: .12rem; color: #e6eef9; font-size: .76rem; }
.lab-result-badge-warning { color: #995f1d !important; background: #fff0d6 !important; }
.exposure-model-note { margin-top: 1.4rem; }

@media (max-width: 640px) {
    .camera-noise-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .exposure-secondary-results { grid-template-columns: 1fr; }
    .dial-zone { font-size: .5rem; }
}

/* ============================================
   PLANETARY SEEING FORECAST — PHASE 3
   ============================================ */
.seeing-tool-hero {
    background:
        radial-gradient(circle at 15% 20%, rgba(68, 120, 255, .28), transparent 24rem),
        radial-gradient(circle at 82% 30%, rgba(63, 219, 185, .16), transparent 24rem),
        linear-gradient(145deg, #071124 0%, #142f55 55%, #164b61 100%);
}

.seeing-hero-atmosphere {
    position: relative;
    width: min(100%, 360px);
    height: 270px;
    margin-inline: auto;
}

.seeing-layer {
    position: absolute;
    left: 5%;
    right: 5%;
    display: flex;
    align-items: center;
    gap: .7rem;
    color: rgba(232, 244, 255, .74);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.seeing-layer::after {
    flex: 1;
    height: 1px;
    content: '';
    background: linear-gradient(90deg, rgba(164, 203, 255, .55), transparent);
}

.seeing-layer i:not(.fa-telescope) {
    width: 42%;
    height: 8px;
    border-radius: 999px;
    background: repeating-linear-gradient(90deg, rgba(109, 193, 255, .8) 0 18px, transparent 18px 27px);
    transform: skewX(-20deg);
}

.seeing-layer-200 { top: 12%; }
.seeing-layer-300 { top: 33%; }
.seeing-layer-500 { top: 57%; }
.seeing-layer-ground {
    bottom: 4%;
    justify-content: center;
    color: #fff;
    font-size: 2.15rem;
}
.seeing-layer-ground::after { display: none; }

.seeing-app { display: grid; gap: 1.35rem; }

.seeing-control-panel,
.seeing-overview,
.seeing-hourly-section,
.seeing-profile-section,
.seeing-method-section {
    border: 1px solid #dfe7f3;
    border-radius: 1.15rem;
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 16px 42px rgba(22, 42, 82, .07);
}

.seeing-control-panel { padding: clamp(1.25rem, 3vw, 1.8rem); }

.seeing-control-copy {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.15rem;
}
.seeing-control-copy h2 { margin: 0 0 .25rem; font-size: 1.35rem; }
.seeing-control-copy p { margin: 0; color: #6b7a91; }

.seeing-location-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .85rem;
    align-items: end;
}
.seeing-location-select-wrap { margin: 0; }
.seeing-location-button { min-height: 48px; white-space: nowrap; }

.seeing-custom-location {
    display: grid;
    grid-template-columns: 1.2fr .8fr .8fr .7fr auto;
    gap: .75rem;
    align-items: end;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e5ebf3;
}
.seeing-custom-location[hidden] { display: none; }
.seeing-custom-location .form-group { margin: 0; }

.seeing-vs-transparency {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}
.seeing-vs-transparency article {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.1rem 1.2rem;
    border: 1px solid #dfe7f3;
    border-radius: 1rem;
    background: rgba(255,255,255,.85);
}
.seeing-vs-transparency strong { display: block; margin-bottom: .2rem; font-size: .98rem; }
.seeing-vs-transparency p { margin: 0; color: #6c7a8f; font-size: .86rem; }
.seeing-concept-icon {
    display: grid;
    width: 2.65rem;
    height: 2.65rem;
    flex: 0 0 auto;
    place-items: center;
    border-radius: .8rem;
    color: #fff;
}
.seeing-concept-seeing { background: linear-gradient(135deg, #5c6ee4, #3449aa); }
.seeing-concept-clear { background: linear-gradient(135deg, #279b9c, #236678); }

.seeing-state-card {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 1.1rem 1.25rem;
    border: 1px solid #cfdaf0;
    border-radius: 1rem;
    background: #f7f9ff;
}
.seeing-state-card[hidden] { display: none; }
.seeing-state-card strong { display: block; }
.seeing-state-card p { margin: .15rem 0 0; color: #69778c; }
.seeing-state-error { border-color: #f0c2c5; background: #fff6f6; color: #992b35; }
.seeing-loader {
    width: 2rem;
    height: 2rem;
    flex: 0 0 auto;
    border: 3px solid #d9e0ef;
    border-top-color: #5469d4;
    border-radius: 50%;
    animation: seeingSpin .8s linear infinite;
}
@keyframes seeingSpin { to { transform: rotate(360deg); } }

.seeing-overview { overflow: hidden; }
.seeing-overview-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2rem;
    align-items: center;
    padding: clamp(1.45rem, 3vw, 2.1rem);
    background: linear-gradient(135deg, #fbfcff, #f2f8fb);
}
.seeing-overview-kicker {
    display: inline-block;
    color: #5365be;
    font-size: .73rem;
    font-weight: 850;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.seeing-overview-copy h2 { margin: .25rem 0 .45rem; font-size: clamp(1.6rem, 3vw, 2.15rem); }
.seeing-overview-copy > p { margin: 0; color: #64748a; }

.seeing-recommendation {
    max-width: 760px;
    margin-top: 1rem;
    padding: .9rem 1rem;
    border-left: 4px solid #6678d8;
    border-radius: 0 .8rem .8rem 0;
    background: rgba(89, 106, 202, .075);
}
.seeing-recommendation strong { display: block; margin-bottom: .15rem; }
.seeing-recommendation p { margin: 0 0 .35rem; color: #5e6e85; font-size: .88rem; }
.seeing-cloud-warning, .seeing-cloud-ok { display: inline-flex; gap: .4rem; align-items: center; font-size: .78rem; font-weight: 750; }
.seeing-cloud-warning { color: #9a6724; }
.seeing-cloud-ok { color: #28725a; }

.seeing-score-block { display: grid; justify-items: center; gap: .45rem; min-width: 150px; }
.seeing-score-ring {
    --score: 0;
    position: relative;
    display: grid;
    width: 126px;
    height: 126px;
    place-items: center;
    border-radius: 50%;
    background: conic-gradient(#6272da calc(var(--score) * 1%), #dfe5ef 0);
}
.seeing-score-ring::before {
    position: absolute;
    inset: 9px;
    border-radius: 50%;
    content: '';
    background: #fff;
}
.seeing-score-ring strong, .seeing-score-ring small { position: relative; z-index: 1; }
.seeing-score-ring strong { font-size: 2.3rem; line-height: 1; }
.seeing-score-ring small { position: absolute; bottom: 29px; color: #8290a6; font-size: .64rem; }

.seeing-quality-badge,
.seeing-mini-legend span {
    border-radius: 999px;
    padding: .3rem .62rem;
    font-size: .68rem;
    font-weight: 850;
    letter-spacing: .03em;
    text-transform: uppercase;
}
.quality-excellent { --quality: #168361; --quality-bg: #dff8ee; }
.quality-good { --quality: #397d55; --quality-bg: #e8f5df; }
.quality-average { --quality: #9a7417; --quality-bg: #fff4ca; }
.quality-poor { --quality: #ad5a22; --quality-bg: #ffead8; }
.quality-very-poor { --quality: #a83a43; --quality-bg: #ffe0e3; }
.seeing-quality-badge,
.seeing-profile-score { color: var(--quality, #59677b); background: var(--quality-bg, #edf1f6); }
.seeing-score-ring.quality-excellent { background: conic-gradient(#1c9b72 calc(var(--score) * 1%), #dfe5ef 0); }
.seeing-score-ring.quality-good { background: conic-gradient(#4a9a65 calc(var(--score) * 1%), #dfe5ef 0); }
.seeing-score-ring.quality-average { background: conic-gradient(#d2a525 calc(var(--score) * 1%), #dfe5ef 0); }
.seeing-score-ring.quality-poor { background: conic-gradient(#d47a32 calc(var(--score) * 1%), #dfe5ef 0); }
.seeing-score-ring.quality-very-poor { background: conic-gradient(#c55059 calc(var(--score) * 1%), #dfe5ef 0); }

.seeing-overview-stats {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    border-top: 1px solid #e4eaf2;
}
.seeing-overview-stats article {
    min-width: 0;
    padding: 1rem;
    border-right: 1px solid #e4eaf2;
}
.seeing-overview-stats article:last-child { border-right: 0; }
.seeing-overview-stats i { color: #6272cc; margin-bottom: .45rem; }
.seeing-overview-stats span { display: block; color: #8794a7; font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; }
.seeing-overview-stats strong { display: block; margin-top: .15rem; font-size: .92rem; overflow-wrap: anywhere; }
.seeing-transparency-stat { background: #fbfcfe; }

.seeing-forecast-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem 1.4rem;
    padding: .7rem 1rem;
    border-top: 1px solid #e9edf4;
    color: #7d899b;
    font-size: .73rem;
    background: #fafbfd;
}

.seeing-night-section { padding: .9rem 0 0; }
.seeing-section-title { margin-bottom: 1rem; }
.seeing-night-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}
.seeing-night-card {
    position: relative;
    display: grid;
    min-height: 210px;
    padding: 1.1rem;
    text-align: left;
    border: 1px solid #dfe6ef;
    border-radius: 1rem;
    background: #fff;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.seeing-night-card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(28, 48, 88, .1); }
.seeing-night-card.is-active { border-color: var(--quality, #6678d8); box-shadow: 0 0 0 2px color-mix(in srgb, var(--quality, #6678d8) 20%, transparent); }
.seeing-night-relative { color: var(--quality, #586b85); font-size: .68rem; font-weight: 850; text-transform: uppercase; letter-spacing: .06em; }
.seeing-night-date { margin-top: .12rem; font-size: 1.12rem; }
.seeing-night-score { position: absolute; top: .9rem; right: 1rem; color: var(--quality, #59677b); font-size: 2rem; font-weight: 850; }
.seeing-night-quality { align-self: end; justify-self: start; margin-top: 1.5rem; padding: .25rem .55rem; border-radius: 999px; color: var(--quality, #59677b); background: var(--quality-bg, #edf1f6); font-size: .68rem; font-weight: 850; text-transform: uppercase; }
.seeing-night-window, .seeing-night-cloud { margin-top: .45rem; color: #68778b; font-size: .8rem; }

.seeing-hourly-section,
.seeing-profile-section,
.seeing-method-section { padding: clamp(1.25rem, 3vw, 1.8rem); }
.seeing-hourly-heading-row { display: flex; gap: 1rem; justify-content: space-between; align-items: start; }
.seeing-mini-legend { display: flex; flex-wrap: wrap; gap: .4rem; justify-content: flex-end; }
.seeing-mini-legend span { color: var(--quality, #59677b); background: var(--quality-bg, #edf1f6); }

.seeing-hour-scroll { overflow-x: auto; padding: .2rem 0 .6rem; }
.seeing-hour-grid { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(112px, 1fr); gap: .55rem; min-width: 820px; }
.seeing-hour-card {
    display: grid;
    gap: .2rem;
    min-height: 150px;
    padding: .75rem;
    text-align: left;
    border: 1px solid #dde4ed;
    border-top: 4px solid var(--quality, #7d899a);
    border-radius: .75rem;
    background: #fff;
    cursor: pointer;
}
.seeing-hour-card.is-active { border-color: var(--quality, #6575d0); box-shadow: 0 0 0 2px color-mix(in srgb, var(--quality, #6575d0) 18%, transparent); }
.seeing-hour-time { color: #64738a; font-size: .72rem; font-weight: 800; }
.seeing-hour-score { color: var(--quality, #4f6078); font-size: 1.65rem; line-height: 1.05; }
.seeing-hour-quality { color: var(--quality, #59677b); font-size: .68rem; font-weight: 800; }
.seeing-hour-jet, .seeing-hour-cloud { color: #7c8898; font-size: .68rem; }
.seeing-hour-hint { margin: .5rem 0 0; color: #8290a3; font-size: .76rem; }

.seeing-profile-heading { display: flex; gap: 1rem; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; }
.seeing-profile-heading h2 { margin: .15rem 0 .2rem; }
.seeing-profile-heading p { margin: 0; color: #6d7b8f; }
.seeing-profile-score { flex: 0 0 auto; padding: .55rem .75rem; border-radius: .75rem; font-weight: 850; }
.seeing-profile-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr); gap: 1rem; }
.seeing-atmosphere-profile {
    display: grid;
    gap: .55rem;
    padding: 1rem;
    border-radius: .9rem;
    background: linear-gradient(180deg, #eef5ff 0%, #f7f9fc 62%, #f2efe8 100%);
}
.seeing-profile-layer { display: grid; grid-template-columns: 90px minmax(80px, 1fr) 180px; gap: .7rem; align-items: center; min-height: 50px; }
.seeing-layer-label strong { display: block; font-size: .79rem; }
.seeing-layer-label small { color: #7d8999; font-size: .63rem; }
.seeing-layer-wind-track { height: 9px; overflow: hidden; border-radius: 999px; background: rgba(88, 105, 148, .13); }
.seeing-layer-wind-track span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #4a8fca, #695ed0); }
.seeing-layer-values { display: grid; grid-template-columns: 1fr .65fr .8fr; gap: .35rem; color: #627085; font-size: .72rem; }
.seeing-layer-values strong { color: #26344a; }

.seeing-diagnostics { display: grid; gap: .55rem; }
.seeing-diagnostics article { padding: .8rem .9rem; border: 1px solid #e1e7ef; border-radius: .75rem; background: #fbfcfe; }
.seeing-diagnostics span { display: block; color: #8994a5; font-size: .65rem; font-weight: 750; text-transform: uppercase; letter-spacing: .04em; }
.seeing-diagnostics strong { display: block; margin: .18rem 0; font-size: .95rem; }
.seeing-diagnostics small { display: block; color: #718095; font-size: .67rem; line-height: 1.35; }
.diag-transparency { background: #f8fbff !important; }

.seeing-factor-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; }
.seeing-factor-grid article { padding: 1rem; border: 1px solid #e1e7ef; border-radius: .85rem; background: #fbfcfe; }
.seeing-factor-grid i { color: #5e70ca; font-size: 1.2rem; }
.seeing-factor-grid h3 { margin: .55rem 0 .3rem; font-size: .95rem; }
.seeing-factor-grid p { margin: 0; color: #6e7c90; font-size: .78rem; line-height: 1.55; }
.seeing-method-note { display: flex; gap: .8rem; align-items: flex-start; margin-top: 1rem; padding: .9rem 1rem; border-radius: .8rem; background: #f2f6fb; color: #64738a; font-size: .78rem; }
.seeing-method-note p { margin: 0; }

@media (max-width: 1100px) {
    .seeing-overview-stats { grid-template-columns: repeat(3, 1fr); }
    .seeing-overview-stats article { border-bottom: 1px solid #e4eaf2; }
    .seeing-custom-location { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .seeing-factor-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 800px) {
    .seeing-hero-atmosphere { height: 220px; }
    .seeing-location-row,
    .seeing-vs-transparency,
    .seeing-night-cards,
    .seeing-profile-layout { grid-template-columns: 1fr; }
    .seeing-location-button { width: 100%; }
    .seeing-overview-main { grid-template-columns: 1fr; }
    .seeing-score-block { justify-self: start; grid-template-columns: auto auto; align-items: center; }
    .seeing-score-block > small { grid-column: 1 / -1; }
    .seeing-score-ring { width: 104px; height: 104px; }
    .seeing-score-ring strong { font-size: 1.9rem; }
    .seeing-score-ring small { bottom: 22px; }
    .seeing-overview-stats { grid-template-columns: repeat(2, 1fr); }
    .seeing-hourly-heading-row { display: block; }
    .seeing-mini-legend { justify-content: flex-start; margin-bottom: .8rem; }
    .seeing-profile-layer { grid-template-columns: 76px minmax(70px, 1fr); }
    .seeing-layer-values { grid-column: 1 / -1; grid-template-columns: repeat(3, 1fr); padding-left: 76px; }
}

@media (max-width: 560px) {
    .seeing-custom-location { grid-template-columns: 1fr; }
    .seeing-overview-stats { grid-template-columns: 1fr; }
    .seeing-overview-stats article { border-right: 0; }
    .seeing-factor-grid { grid-template-columns: 1fr; }
    .seeing-score-block { grid-template-columns: auto 1fr; }
    .seeing-vs-transparency article { padding: .9rem; }
    .seeing-profile-heading { align-items: flex-start; }
}

/* Phase 4: Eyepiece View Simulator */
.eyepiece-tool-hero {
    background:
        radial-gradient(circle at 76% 30%, rgba(208, 215, 255, .14), transparent 23rem),
        radial-gradient(circle at 22% 60%, rgba(91, 195, 213, .13), transparent 25rem),
        linear-gradient(135deg, #050b18 0%, #152249 50%, #17384b 100%);
}

.eyepiece-hero-view {
    position: relative;
    width: min(310px, 72vw);
    aspect-ratio: 1;
    margin-inline: auto;
    border-radius: 50%;
    box-shadow: 0 22px 70px rgba(0,0,0,.35);
}

.eyepiece-hero-rim,
.eyepiece-hero-field,
.eyepiece-hero-moon,
.eyepiece-hero-cross {
    position: absolute;
}

.eyepiece-hero-rim {
    inset: 0;
    border: 18px solid rgba(3, 7, 15, .92);
    border-radius: 50%;
    box-shadow: inset 0 0 0 2px rgba(194, 211, 240, .28), inset 0 0 38px rgba(0,0,0,.78);
}

.eyepiece-hero-field {
    inset: 18px;
    overflow: hidden;
    border-radius: 50%;
    background:
        radial-gradient(circle at 28% 31%, rgba(255,255,255,.8) 0 1px, transparent 1.3px),
        radial-gradient(circle at 69% 22%, rgba(188,215,255,.7) 0 1px, transparent 1.4px),
        radial-gradient(circle at 73% 76%, rgba(255,255,255,.65) 0 1px, transparent 1.3px),
        radial-gradient(circle at 24% 72%, rgba(202,219,255,.55) 0 1px, transparent 1.3px),
        #02050b;
}

.eyepiece-hero-moon {
    width: 45%;
    aspect-ratio: 1;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background:
        radial-gradient(circle at 31% 36%, rgba(38,42,49,.42) 0 6%, transparent 6.5%),
        radial-gradient(circle at 66% 29%, rgba(55,58,64,.42) 0 4%, transparent 4.5%),
        radial-gradient(circle at 55% 69%, rgba(47,50,56,.5) 0 8%, transparent 8.5%),
        radial-gradient(circle at 40% 45%, #d9dde0, #9da3aa 72%, #70767d 100%);
    box-shadow: inset -18px -10px 28px rgba(0,0,0,.28), 0 0 28px rgba(205,220,244,.16);
}

.eyepiece-hero-cross {
    z-index: 2;
    left: 50%;
    top: 50%;
    background: rgba(165, 198, 232, .13);
    transform: translate(-50%, -50%);
}
.eyepiece-hero-cross-x { width: 74%; height: 1px; }
.eyepiece-hero-cross-y { width: 1px; height: 74%; }

.eyepiece-slider-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .9rem;
}

.eyepiece-slider-card {
    min-width: 0;
    padding: 1rem;
    border: 1px solid #dfe7f2;
    border-radius: .9rem;
    background: #f8fafd;
}

.eyepiece-slider-heading,
.eyepiece-target-size-row {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    justify-content: space-between;
}

.eyepiece-slider-heading label,
.eyepiece-target-size-row label {
    color: #34455c;
    font-size: .83rem;
    font-weight: 800;
}

.eyepiece-slider-heading strong,
.eyepiece-target-size-row > strong {
    flex: 0 0 auto;
    color: #344fb2;
    font-family: 'Space Grotesk', var(--font-main);
    font-size: 1.15rem;
}

.eyepiece-target-size-row small {
    display: block;
    max-width: 450px;
    margin-top: .2rem;
    color: #7d899a;
    font-size: .72rem;
    line-height: 1.4;
}

.eyepiece-range {
    width: 100%;
    margin-top: .72rem;
    accent-color: #5368c9;
}

.eyepiece-range-scale {
    display: flex;
    justify-content: space-between;
    margin-top: .15rem;
    color: #8a96a7;
    font-size: .64rem;
    font-weight: 700;
}

.eyepiece-equivalent-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .65rem;
    margin-top: 1rem;
}

.eyepiece-equivalent-row > div {
    padding: .75rem .8rem;
    border: 1px solid #e0e7f0;
    border-radius: .75rem;
    background: #fff;
}

.eyepiece-equivalent-row span {
    display: block;
    color: #8793a4;
    font-size: .65rem;
    font-weight: 800;
    letter-spacing: .03em;
    text-transform: uppercase;
}

.eyepiece-equivalent-row strong {
    display: block;
    margin-top: .2rem;
    color: #293a53;
    font-family: 'Space Grotesk', var(--font-main);
    font-size: 1rem;
}

.eyepiece-preset-row { margin-top: 1rem; }

.eyepiece-results-panel { overflow: visible; }

.eyepiece-view-shell {
    position: relative;
    display: grid;
    place-items: center;
    padding: clamp(.5rem, 1.5vw, .9rem);
    overflow: hidden;
    border: 1px solid #16253e;
    border-radius: 1.15rem;
    background:
        radial-gradient(circle at 50% 45%, #142038 0%, #07101e 58%, #03070e 100%);
    box-shadow: inset 0 0 50px rgba(0,0,0,.55);
}

#eyepiece-view-canvas {
    display: block;
    width: min(100%, 620px);
    height: auto;
    aspect-ratio: 1;
    touch-action: none;
    user-select: none;
}

.eyepiece-drag-hint {
    position: absolute;
    left: 50%;
    bottom: 1.05rem;
    display: inline-flex;
    max-width: calc(100% - 2rem);
    align-items: center;
    gap: .45rem;
    padding: .38rem .66rem;
    border: 1px solid rgba(164, 188, 224, .16);
    border-radius: 999px;
    color: rgba(214, 226, 244, .68);
    background: rgba(5, 11, 22, .72);
    font-size: .65rem;
    font-weight: 700;
    opacity: .45;
    transform: translateX(-50%);
    transition: opacity .18s ease, color .18s ease;
    pointer-events: none;
    backdrop-filter: blur(6px);
}

.eyepiece-drag-hint.is-active {
    color: #e8f0ff;
    opacity: 1;
}

.eyepiece-live-stats { margin-top: 1rem; }

.eyepiece-view-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .65rem;
    margin-top: .9rem;
}

.eyepiece-view-actions .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
}

.eyepiece-source-note a { font-weight: 750; }

@media (max-width: 767px) {
    .eyepiece-hero-view { display: none; }
    .eyepiece-slider-grid,
    .eyepiece-equivalent-row { grid-template-columns: 1fr; }
    .eyepiece-results-panel { padding-inline: .8rem; }
    .eyepiece-view-shell { padding: .25rem; border-radius: .9rem; }
    .eyepiece-drag-hint { bottom: .65rem; }
}

@media (max-width: 480px) {
    .eyepiece-view-actions { grid-template-columns: 1fr; }
    .eyepiece-slider-heading strong,
    .eyepiece-target-size-row > strong { font-size: 1rem; }
}

/* ============================================
   DEEP-SKY EXPOSURE PLANNER
   ============================================ */

.deep-sky-tool-hero {
    background:
        radial-gradient(circle at 11% 20%, rgba(96, 87, 255, .38), transparent 23rem),
        radial-gradient(circle at 82% 42%, rgba(225, 77, 172, .18), transparent 24rem),
        radial-gradient(circle at 72% 80%, rgba(42, 206, 182, .16), transparent 20rem),
        linear-gradient(135deg, #070d20 0%, #1a214d 50%, #26304a 100%);
}

.deep-sky-hero-stack {
    position: relative;
    width: min(100%, 355px);
    aspect-ratio: 1;
    margin-inline: auto;
    border-radius: 1.4rem;
    background:
        radial-gradient(circle at 35% 38%, rgba(232, 112, 205, .28), transparent 20%),
        radial-gradient(circle at 62% 52%, rgba(82, 134, 255, .28), transparent 24%),
        radial-gradient(circle at 52% 62%, rgba(39, 210, 178, .18), transparent 20%),
        #050916;
    box-shadow: 0 28px 70px rgba(0,0,0,.35), inset 0 0 0 1px rgba(194, 211, 255, .12);
    transform: rotate(-3deg);
}

.deep-sky-hero-frame {
    position: absolute;
    inset: 14%;
    border: 1px solid rgba(197, 210, 255, .22);
    border-radius: .8rem;
}
.frame-two { inset: 22% 10%; transform: rotate(8deg); }
.frame-three { inset: 10% 24%; transform: rotate(-10deg); }

.deep-sky-hero-nebula {
    position: absolute;
    inset: 25% 18% 22% 20%;
    border-radius: 45% 55% 60% 40%;
    background:
        radial-gradient(circle at 44% 42%, rgba(255,255,255,.9) 0 1.4%, transparent 1.8%),
        radial-gradient(circle at 38% 47%, rgba(242, 108, 208, .75), transparent 25%),
        radial-gradient(circle at 62% 54%, rgba(79, 145, 255, .62), transparent 34%),
        radial-gradient(circle at 50% 57%, rgba(62, 220, 185, .38), transparent 42%);
    filter: blur(.2px);
    transform: rotate(12deg);
}

.deep-sky-hero-star {
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 12px rgba(190, 215, 255, .85);
}
.deep-sky-hero-star::before,
.deep-sky-hero-star::after {
    position: absolute;
    left: 50%;
    top: 50%;
    content: '';
    background: rgba(233, 241, 255, .72);
    transform: translate(-50%, -50%);
}
.deep-sky-hero-star::before { width: 25px; height: 1px; }
.deep-sky-hero-star::after { width: 1px; height: 25px; }
.star-one { left: 32%; top: 27%; }
.star-two { right: 26%; top: 43%; transform: scale(.65); }
.star-three { left: 46%; bottom: 24%; transform: scale(.45); }

.deep-sky-target-summary {
    margin-top: .95rem;
    padding: 1rem 1.05rem;
    border: 1px solid #dbe4f1;
    border-radius: .9rem;
    background: linear-gradient(135deg, #f9fbff, #f6fbfb);
}

.deep-sky-target-title {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
    align-items: center;
}

.deep-sky-target-title > div {
    min-width: 180px;
    flex: 1 1 260px;
}

.deep-sky-target-title strong {
    display: block;
    color: #253952;
    font-family: 'Space Grotesk', var(--font-main);
    font-size: .96rem;
}

.deep-sky-target-title span:not(.deep-sky-target-chip) {
    display: block;
    margin-top: .12rem;
    color: #718097;
    font-size: .7rem;
}

.deep-sky-target-chip {
    display: inline-flex !important;
    flex: 0 0 auto;
    align-items: center;
    gap: .35rem;
    padding: .34rem .55rem;
    border: 1px solid #d7dfef;
    border-radius: 999px;
    color: #53627a !important;
    background: #fff;
    font-size: .64rem !important;
    font-weight: 800;
}

.deep-sky-target-chip-hdr {
    border-color: #efd7bd;
    color: #a66520 !important;
    background: #fff9ef;
}

.deep-sky-target-summary p {
    margin: .75rem 0 .55rem;
    color: #5f7088;
    font-size: .77rem;
    line-height: 1.55;
}

.deep-sky-target-summary small {
    display: flex;
    gap: .45rem;
    align-items: flex-start;
    color: #75849a;
    font-size: .68rem;
    line-height: 1.45;
}
.deep-sky-target-summary small i { margin-top: .15rem; color: #5d70c8; }

.deep-sky-primary-results {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .8rem;
    margin: 1rem 0;
}

.deep-sky-primary-card {
    min-width: 0;
    padding: 1rem;
    border: 1px solid #dbe4f0;
    border-radius: .95rem;
    background: linear-gradient(145deg, #f8fbff, #fff);
}

.deep-sky-primary-card-accent {
    border-color: #cbd7f2;
    background: linear-gradient(145deg, #f4f6ff, #f7fffc);
}

.deep-sky-primary-card > span {
    display: block;
    color: #7c899c;
    font-size: .65rem;
    font-weight: 850;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.deep-sky-primary-card > strong {
    display: block;
    margin: .28rem 0 .2rem;
    color: #2f4770;
    font-family: 'Space Grotesk', var(--font-main);
    font-size: clamp(1.55rem, 4vw, 2.2rem);
    letter-spacing: -.03em;
}

.deep-sky-primary-card-accent > strong { color: #3457b6; }
.deep-sky-primary-card small { color: #79879a; font-size: .66rem; line-height: 1.4; }

.deep-sky-integration-ladder {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .45rem;
    margin: .5rem 0 1rem;
}

.deep-sky-integration-ladder > div {
    padding: .65rem .55rem;
    border: 1px solid #e0e7f1;
    border-radius: .75rem;
    background: #fff;
    cursor: pointer;
    transition: border-color .16s ease, background .16s ease, transform .16s ease;
}

.deep-sky-integration-ladder > div:hover { transform: translateY(-1px); border-color: #bac7e9; }
.deep-sky-integration-ladder > div.is-selected {
    border-color: #8094da;
    background: linear-gradient(145deg, #eef2ff, #f2fbf8);
    box-shadow: inset 0 0 0 1px rgba(91, 113, 202, .08);
}

.deep-sky-integration-ladder span {
    display: block;
    color: #8591a1;
    font-size: .6rem;
    font-weight: 800;
    text-transform: uppercase;
}
.deep-sky-integration-ladder strong {
    display: block;
    margin-top: .14rem;
    color: #33465f;
    font-family: 'Space Grotesk', var(--font-main);
    font-size: .82rem;
}
.deep-sky-integration-ladder .is-selected strong { color: #3d59b9; }

.deep-sky-secondary-results { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.deep-sky-filter-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .65rem;
    margin-top: .85rem;
}

.deep-sky-filter-strip > div {
    padding: .72rem .8rem;
    border: 1px solid #e1e7f0;
    border-radius: .75rem;
    background: #f9fbfd;
}
.deep-sky-filter-strip span {
    display: block;
    color: #8995a5;
    font-size: .61rem;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.deep-sky-filter-strip strong {
    display: block;
    margin-top: .18rem;
    color: #354860;
    font-size: .76rem;
}

.deep-sky-hdr-plan {
    display: flex;
    gap: .75rem;
    align-items: flex-start;
    margin-top: .9rem;
    padding: .85rem .9rem;
    border: 1px solid #efddc7;
    border-radius: .8rem;
    background: #fff9f1;
}
.deep-sky-hdr-plan[hidden] { display: none; }
.deep-sky-hdr-plan > i { margin-top: .14rem; color: #c77b29; }
.deep-sky-hdr-plan strong { display: block; color: #7d5428; font-size: .78rem; }
.deep-sky-hdr-plan span { display: block; margin-top: .14rem; color: #846c54; font-size: .68rem; line-height: 1.45; }

.deep-sky-model-note { margin-top: 1.4rem; }

@media (max-width: 900px) {
    .deep-sky-integration-ladder { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
    .deep-sky-hero-stack { display: none; }
    .deep-sky-primary-results,
    .deep-sky-secondary-results,
    .deep-sky-filter-strip { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .deep-sky-integration-ladder { grid-template-columns: 1fr; }
    .deep-sky-target-title { align-items: flex-start; }
}