:root {
    --bg: #07111f;
    --bg-soft: #0d1b2d;
    --card: rgba(13, 27, 45, 0.86);
    --card-2: rgba(18, 37, 61, 0.92);
    --text: #eef4ff;
    --muted: #a9bbd6;
    --line: rgba(255, 255, 255, 0.08);
    --primary: #61b0ff;
    --primary-strong: #2d8fff;
    --good: #22c55e;
    --medium: #f59e0b;
    --bad: #94a3b8;
    --great: #38bdf8;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    --radius-xl: 24px;
    --radius-lg: 18px;
    --radius-md: 14px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    background:
        radial-gradient(circle at top right, rgba(97, 176, 255, 0.18), transparent 28%),
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 30%),
        linear-gradient(180deg, #040b14 0%, #07111f 55%, #08111d 100%);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    min-height: 100vh;
}

.page-shell {
    width: min(1320px, calc(100% - 24px));
    margin: 0 auto;
    padding: 24px 0 40px;
}

.hero {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 30px;
    background: linear-gradient(135deg, rgba(10, 24, 44, 0.96), rgba(13, 27, 45, 0.84));
    box-shadow: var(--shadow);
    margin-bottom: 22px;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.22) 0 2px, transparent 3px),
        radial-gradient(circle at 42% 18%, rgba(255, 255, 255, 0.18) 0 1px, transparent 2px),
        radial-gradient(circle at 78% 32%, rgba(255, 255, 255, 0.22) 0 2px, transparent 3px),
        radial-gradient(circle at 88% 16%, rgba(255, 255, 255, 0.14) 0 1px, transparent 2px),
        radial-gradient(circle at 64% 66%, rgba(255, 255, 255, 0.18) 0 1px, transparent 2px),
        radial-gradient(circle at 20% 76%, rgba(255, 255, 255, 0.12) 0 1px, transparent 2px);
    opacity: 0.8;
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 1;
    padding: 34px 28px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(97, 176, 255, 0.12);
    border: 1px solid rgba(97, 176, 255, 0.28);
    color: #d9ecff;
    font-size: 13px;
    margin-bottom: 14px;
}

.hero h1 {
    margin: 0 0 12px;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.04;
}

.hero__text {
    margin: 0;
    max-width: 780px;
    color: var(--muted);
    font-size: 1.02rem;
    line-height: 1.65;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.layout {
    display: grid;
    gap: 22px;
    grid-template-columns: 1.3fr 0.9fr;
}

.panel {
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--card);
    box-shadow: var(--shadow);
    padding: 20px;
    backdrop-filter: blur(10px);
}

.panel--map,
.panel--passes {
    grid-column: 1 / -1;
}

.panel__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 16px;
}

.panel__head h2 {
    margin: 0 0 6px;
    font-size: 1.28rem;
}

.panel__sub {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.status-pill,
.sun-state,
.pass-badge,
.quality-chip {
    border-radius: 999px;
    padding: 9px 13px;
    font-size: 0.88rem;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    white-space: nowrap;
}

.sun-state.sun-state--night,
.quality-chip.quality--great,
.pass-badge.pass-badge--great {
    background: rgba(56, 189, 248, 0.14);
    border-color: rgba(56, 189, 248, 0.32);
}

.sun-state.sun-state--twilight,
.quality-chip.quality--good,
.pass-badge.pass-badge--good {
    background: rgba(34, 197, 94, 0.14);
    border-color: rgba(34, 197, 94, 0.30);
}

.quality-chip.quality--medium,
.pass-badge.pass-badge--medium {
    background: rgba(245, 158, 11, 0.14);
    border-color: rgba(245, 158, 11, 0.32);
}

.sun-state.sun-state--day,
.quality-chip.quality--bad,
.pass-badge.pass-badge--bad {
    background: rgba(148, 163, 184, 0.14);
    border-color: rgba(148, 163, 184, 0.28);
}

#map {
    width: 100%;
    height: 560px;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--line);
    background:
        radial-gradient(circle at 50% 40%, rgba(30, 60, 100, 0.45), rgba(6, 17, 29, 0.98) 70%);
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 16px;
}

.stat-card {
    background: var(--card-2);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 16px;
}

.stat-card__label {
    display: block;
    color: var(--muted);
    font-size: 0.88rem;
    margin-bottom: 6px;
}

.stat-card strong {
    font-size: 1.08rem;
}

.location-form {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.field label {
    font-size: 0.92rem;
    color: var(--muted);
}

.field input,
.field select {
    width: 100%;
    min-height: 48px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    padding: 0 14px;
    outline: none;
}

.field input::placeholder {
    color: #7991b4;
}

.field input:focus,
.field select:focus {
    border-color: rgba(97, 176, 255, 0.45);
    box-shadow: 0 0 0 4px rgba(97, 176, 255, 0.12);
}

.field--actions {
    justify-content: flex-end;
}

.field--actions .btn {
    width: 100%;
    margin-top: auto;
}

.observer-card {
    margin-top: 16px;
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
    padding: 16px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: var(--card-2);
}

.observer-card__label {
    display: block;
    color: var(--muted);
    font-size: 0.86rem;
    margin-bottom: 5px;
}

.passes-summary {
    margin-bottom: 14px;
    color: var(--muted);
}

.passes-list {
    display: grid;
    gap: 14px;
}

.pass-card {
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(16, 33, 54, 0.98), rgba(12, 25, 40, 0.95));
    border-radius: 20px;
    padding: 18px;
}

.pass-card__top {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
    margin-bottom: 14px;
}

.pass-card__title {
    margin: 0 0 5px;
    font-size: 1.08rem;
}

.pass-card__subtitle {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.pass-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
}

.pass-cell {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
}

.pass-cell__label {
    display: block;
    color: var(--muted);
    font-size: 0.8rem;
    margin-bottom: 5px;
}

.pass-note {
    margin-top: 12px;
    color: var(--muted);
    line-height: 1.5;
    font-size: 0.94rem;
}

.btn {
    min-height: 48px;
    border-radius: 14px;
    padding: 0 18px;
    border: none;
    cursor: pointer;
    font-size: 0.96rem;
    font-weight: 600;
    transition: transform 0.12s ease, opacity 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: #fff;
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    border: 1px solid var(--line);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Cesium */
.cesium-viewer,
.cesium-viewer-cesiumWidgetContainer,
.cesium-widget,
.cesium-widget canvas {
    width: 100%;
    height: 100%;
    border-radius: 20px;
}

.cesium-widget canvas {
    display: block;
}

.cesium-viewer {
    background: transparent;
}

.cesium-viewer-toolbar {
    top: 12px;
    right: 12px;
}

.cesium-button {
    border-radius: 12px !important;
    border: 1px solid rgba(255, 255, 255, 0.14) !important;
    background: rgba(10, 20, 34, 0.78) !important;
    color: #eef4ff !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.24);
}

.cesium-button:hover {
    background: rgba(18, 35, 56, 0.92) !important;
}

.cesium-button:focus {
    border-color: rgba(97, 176, 255, 0.5) !important;
    box-shadow: 0 0 0 4px rgba(97, 176, 255, 0.14) !important;
}

.cesium-viewer-bottom {
    display: none;
}

.cesium-credit-logoContainer,
.cesium-credit-textContainer,
.cesium-viewer-bottom .cesium-credit-container {
    filter: brightness(1.1);
}

.cesium-infoBox {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.cesium-infoBox-title {
    background: #10233b;
    color: #eef4ff;
}

.cesium-infoBox-description {
    background: #0d1b2d;
    color: #eef4ff;
}

@media (max-width: 980px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .location-form {
        grid-template-columns: 1fr 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .pass-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 640px) {
    .page-shell {
        width: min(100% - 16px, 100%);
        padding-top: 16px;
    }

    .hero__content,
    .panel {
        padding: 16px;
    }

    #map {
        height: 380px;
    }

    .location-form,
    .stats-grid,
    .pass-grid {
        grid-template-columns: 1fr;
    }

    .observer-card,
    .pass-card__top,
    .panel__head {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero__actions {
        width: 100%;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .cesium-viewer-toolbar {
        top: 8px;
        right: 8px;
        transform: scale(0.95);
        transform-origin: top right;
    }
}