:root {
    color-scheme: dark;
    --background: #070b18;
    --panel: rgba(13, 20, 38, 0.82);
    --panel-strong: rgba(15, 23, 43, 0.92);
    --border: rgba(180, 202, 255, 0.16);
    --text: #eef4ff;
    --muted: #9aa8c7;
    --accent: #9fd4ff;
    --accent-strong: #d9edff;
    --button: #d9edff;
    --button-text: #07101f;
    --button-hover: #c7e4ff;
    --error: #ffb4b4;
    --link: #ffc76a;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    background:
        radial-gradient(
            circle at 22% 14%,
            rgba(88, 124, 190, 0.18),
            transparent 30rem
        ),
        radial-gradient(
            circle at 82% 20%,
            rgba(76, 55, 118, 0.16),
            transparent 24rem
        ),
        var(--background);
    color: var(--text);
    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.5;
}

.sky-field {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.sky-field span {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(238, 244, 255, 0.82);
    box-shadow: 0 0 12px rgba(159, 212, 255, 0.36);
}

.sky-field span:nth-child(1) {
    left: 9%;
    top: 13%;
    opacity: 0.7;
}
.sky-field span:nth-child(2) {
    left: 18%;
    top: 78%;
    width: 2px;
    height: 2px;
    opacity: 0.44;
}
.sky-field span:nth-child(3) {
    left: 28%;
    top: 22%;
    width: 4px;
    height: 4px;
    opacity: 0.86;
}
.sky-field span:nth-child(4) {
    left: 38%;
    top: 64%;
    width: 2px;
    height: 2px;
    opacity: 0.5;
}
.sky-field span:nth-child(5) {
    left: 47%;
    top: 10%;
    width: 2px;
    height: 2px;
    opacity: 0.42;
}
.sky-field span:nth-child(6) {
    left: 58%;
    top: 32%;
    opacity: 0.62;
}
.sky-field span:nth-child(7) {
    left: 66%;
    top: 82%;
    width: 4px;
    height: 4px;
    opacity: 0.76;
}
.sky-field span:nth-child(8) {
    left: 73%;
    top: 18%;
    width: 2px;
    height: 2px;
    opacity: 0.55;
}
.sky-field span:nth-child(9) {
    left: 82%;
    top: 56%;
    opacity: 0.64;
}
.sky-field span:nth-child(10) {
    left: 91%;
    top: 29%;
    width: 2px;
    height: 2px;
    opacity: 0.44;
}
.sky-field span:nth-child(11) {
    left: 14%;
    top: 43%;
    width: 2px;
    height: 2px;
    opacity: 0.52;
}
.sky-field span:nth-child(12) {
    left: 53%;
    top: 73%;
    width: 3px;
    height: 3px;
    opacity: 0.48;
}
.sky-field span:nth-child(13) {
    left: 88%;
    top: 86%;
    width: 3px;
    height: 3px;
    opacity: 0.58;
}

.sky-field span:nth-child(1) {
    animation: star-twinkle 13s ease-in-out infinite;
}
.sky-field span:nth-child(3) {
    animation: star-twinkle 11s ease-in-out 2s infinite;
}
.sky-field span:nth-child(7) {
    animation: star-twinkle 15s ease-in-out 4s infinite;
}
.sky-field span:nth-child(9) {
    animation: star-twinkle 9s ease-in-out 1s infinite;
}

@keyframes star-twinkle {
    0%,
    100% {
        opacity: 0.4;
    }
    50% {
        opacity: 1;
    }
}

.page-shell {
    position: relative;
    z-index: 1;
    width: min(100% - 32px, 720px);
    min-height: 100svh;
    margin: 0 auto;
    padding: 34px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    transition: padding 0.45s ease;
}

body.forecast-ready .page-shell {
    justify-content: center;
    padding: 36px 0;
}

.site-header {
    margin-bottom: 24px;
}

body.forecast-ready .site-header {
    display: none;
}

h1 {
    margin: 0 0 10px;
    line-height: 1;
}

.site-logo {
    display: block;
    width: min(100%, 460px);
    height: auto;
    margin: 0 auto;
    overflow: visible;
}

.logo-mark use {
    fill: url("#logo-star-fill");
    filter: drop-shadow(0 0 10px rgba(255, 219, 135, 0.42))
        drop-shadow(0 0 20px rgba(255, 180, 74, 0.22));
}

.logo-mark circle {
    fill: #fff8d8;
}

.logo-word {
    fill: url("#logo-text-fill");
    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    font-size: 47px;
    font-weight: 620;
    letter-spacing: 0;
}

h2,
p {
    margin: 0;
}

.site-header p,
.message,
.site-footer {
    color: var(--muted);
}

.site-header p {
    font-size: 1rem;
}

.search-panel {
    width: min(100%, 560px);
    margin: 0 auto;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--panel);
    box-shadow: 0 22px 68px rgba(0, 0, 0, 0.2);
    text-align: left;
    transition:
        margin 0.45s ease,
        transform 0.45s ease;
}

body.forecast-ready .search-panel {
    display: none;
}

.search-panel h2 {
    margin-bottom: 16px;
    color: var(--accent-strong);
    font-size: 1.05rem;
    font-weight: 560;
    letter-spacing: 0;
}

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

label {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 520;
}

input,
button {
    width: 100%;
    border: 1px solid transparent;
    border-radius: 10px;
    font: inherit;
}

input {
    min-height: 48px;
    padding: 0 14px;
    background: rgba(5, 10, 24, 0.72);
    border-color: var(--border);
    color: var(--text);
    text-transform: uppercase;
}

input::placeholder {
    color: #7180a3;
}

input:focus,
button:focus-visible {
    border-color: var(--accent);
    outline: 3px solid rgba(159, 212, 255, 0.18);
    outline-offset: 2px;
}

button {
    min-height: 48px;
    padding: 0 18px;
    background: var(--button);
    color: var(--button-text);
    cursor: pointer;
    font-weight: 620;
}

button:hover {
    background: var(--button-hover);
}

button:disabled {
    cursor: wait;
    opacity: 0.72;
}

.message {
    min-height: 24px;
    margin: 12px 0 0;
    font-size: 0.94rem;
}

.message.error {
    color: var(--error);
}

.result[hidden] {
    display: none;
}

.forecast-shell[hidden] {
    display: none;
}

.forecast-shell {
    width: min(100%, 620px);
    margin: 0 auto;
}

.forecast-location {
    margin-bottom: 16px;
    color: var(--muted);
    font-size: 0.98rem;
}

.forecast-location strong {
    color: var(--text);
    font-weight: 560;
}

.result {
    display: grid;
    gap: 22px;
    margin-top: 0;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--panel-strong);
    box-shadow: 0 28px 84px rgba(0, 0, 0, 0.26);
}

.planet-score {
    display: grid;
    min-height: 150px;
    place-items: center;
}

.score-planet {
    --planet-a: #6b7280;
    --planet-b: #202637;
    --planet-c: #111827;
    --atmosphere: rgba(150, 165, 195, 0.28);
    position: relative;
    width: clamp(104px, 26vw, 150px);
    aspect-ratio: 1;
    border-radius: 50%;
    box-shadow: 0 0 42px var(--atmosphere);
}

.score-planet::before {
    position: absolute;
    inset: -14px;
    content: "";
    border-radius: inherit;
    background: radial-gradient(circle, var(--atmosphere), transparent 68%);
}

.planet-surface {
    position: absolute;
    inset: 0;
    display: block;
    border-radius: 50%;
    background:
        radial-gradient(
            circle at 33% 27%,
            rgba(255, 255, 255, 0.42),
            transparent 0 18%,
            transparent 19%
        ),
        radial-gradient(
            circle at 68% 72%,
            rgba(255, 255, 255, 0.1),
            transparent 0 20%,
            transparent 21%
        ),
        linear-gradient(
            135deg,
            var(--planet-a),
            var(--planet-b) 58%,
            var(--planet-c)
        );
    box-shadow:
        inset -32px -30px 52px rgba(0, 0, 0, 0.4),
        inset 22px 22px 44px rgba(255, 255, 255, 0.12),
        0 24px 70px rgba(0, 0, 0, 0.34);
}

.score-planet.rating-5 {
    --planet-a: #e9f8ff;
    --planet-b: #79ceff;
    --planet-c: #275f9a;
    --atmosphere: rgba(159, 225, 255, 0.48);
}

.score-planet.rating-4 {
    --planet-a: #d1f0ff;
    --planet-b: #5aa7d8;
    --planet-c: #244b78;
    --atmosphere: rgba(135, 202, 246, 0.4);
}

.score-planet.rating-3 {
    --planet-a: #d2d7e7;
    --planet-b: #7e8ea9;
    --planet-c: #2f3f5f;
    --atmosphere: rgba(172, 188, 222, 0.3);
}

.score-planet.rating-2 {
    --planet-a: #b8adbd;
    --planet-b: #695f7c;
    --planet-c: #25263a;
    --atmosphere: rgba(154, 138, 176, 0.26);
}

.score-planet.rating-1 {
    --planet-a: #777d8d;
    --planet-b: #34394b;
    --planet-c: #131827;
    --atmosphere: rgba(112, 120, 142, 0.2);
}

.result-copy {
    text-align: center;
}

.result-label {
    margin-bottom: 18px;
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 560;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.stars {
    display: flex;
    justify-content: center;
    gap: clamp(12px, 3vw, 20px);
    margin-bottom: 26px;
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(180, 202, 255, 0.12);
}

.star-mark {
    position: relative;
    display: block;
    width: clamp(34px, 7.8vw, 52px);
    aspect-ratio: 1;
    background: rgba(132, 148, 178, 0.5);
    clip-path: polygon(
        50% 0,
        59% 38%,
        100% 50%,
        59% 62%,
        50% 100%,
        41% 62%,
        0 50%,
        41% 38%
    );
    filter: drop-shadow(0 0 8px rgba(159, 212, 255, 0.14));
}

.star-mark::after {
    position: absolute;
    inset: 36%;
    content: "";
    border-radius: 50%;
    background: rgba(217, 226, 246, 0.46);
}

.star-mark.active {
    background: linear-gradient(135deg, #fff8d8, #ffc76a 70%);
    filter: drop-shadow(0 0 10px rgba(255, 219, 135, 0.5))
        drop-shadow(0 0 22px rgba(255, 180, 74, 0.28));
}

.star-mark.active::after {
    background: #fff8d8;
}

.summary {
    color: var(--text);
    font-size: clamp(1.28rem, 4.4vw, 1.82rem);
    font-weight: 520;
    letter-spacing: 0;
    line-height: 1.06;
}

.score-line {
    margin-top: 8px;
    color: var(--muted);
    font-size: 0.92rem;
}

.score-line strong {
    color: var(--text);
    font-size: clamp(1.6rem, 6.8vw, 2.55rem);
    font-weight: 520;
    line-height: 1;
}

.score-line span {
    color: var(--muted);
}

.moon-panel,
.outlook {
    text-align: left;
}

.moon-panel {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 0 0;
    border-top: 1px solid var(--border);
}

.moon-panel h2,
.outlook h2 {
    margin: 0 0 4px;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 560;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.moon-panel p {
    color: var(--text);
    font-weight: 560;
}

.moon-icon {
    --moon-mask: #070b18;
    position: relative;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: linear-gradient(135deg, #f1f5ff, #8d9abb);
    box-shadow:
        inset -7px -8px 12px rgba(0, 0, 0, 0.26),
        0 0 18px rgba(217, 237, 255, 0.2);
    overflow: hidden;
}

.moon-icon::before {
    position: absolute;
    inset: 0;
    content: "";
    background: var(--moon-mask);
}

.moon-phase-0::before {
    transform: translateX(0);
    border-radius: 50%;
}
.moon-phase-1::before {
    transform: translateX(-26%);
    border-radius: 50%;
}
.moon-phase-2::before {
    transform: translateX(-50%);
    border-radius: 0;
}
.moon-phase-3::before {
    transform: translateX(-74%);
    border-radius: 50%;
}
.moon-phase-4::before {
    opacity: 0;
}
.moon-phase-5::before {
    transform: translateX(74%);
    border-radius: 50%;
}
.moon-phase-6::before {
    transform: translateX(50%);
    border-radius: 0;
}
.moon-phase-7::before {
    transform: translateX(26%);
    border-radius: 50%;
}

.outlook {
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.outlook p {
    color: var(--text);
    font-size: 1rem;
    line-height: 1.65;
}

.change-location,
.share-forecast {
    width: auto;
    min-height: auto;
    margin-top: 18px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--muted);
    font-size: 0.94rem;
    font-weight: 520;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.share-forecast {
    margin-left: 18px;
}

.change-location:hover,
.share-forecast:hover {
    background: transparent;
    color: var(--accent-strong);
}

.share-message {
    min-height: 22px;
    margin-top: 10px;
    color: var(--muted);
    font-size: 0.84rem;
}

.site-footer {
    margin-top: 30px;
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.7;
}

a {
    color: var(--link);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
    text-underline-offset: 1px;
}

@media (min-width: 640px) {
    .search-form {
        grid-template-columns: 1fr 170px;
        align-items: end;
    }

    label {
        grid-column: 1 / -1;
    }

    .result {
        grid-template-columns: 0.62fr 1.38fr;
        align-items: center;
        text-align: left;
    }

    .result-copy {
        text-align: left;
    }

    .stars {
        justify-content: flex-start;
    }

    .moon-panel,
    .outlook {
        grid-column: 1 / -1;
    }
}

@media (max-width: 420px) {
    .page-shell {
        padding-top: 28px;
        padding-bottom: 28px;
    }

    body.forecast-ready .page-shell {
        padding-top: 34px;
    }

    .search-panel,
    .result {
        padding: 20px;
    }
}