:root {
    --bg: #f5f7f6;
    --surface: #ffffff;
    --surface-2: #eef2f0;
    --text: #17201c;
    --muted: #5d6b65;
    --border: #dbe3df;
    --accent: #11806a;
    --accent-strong: #0b6453;
    --accent-soft: #d9f0ea;
    --danger: #b42318;
    --danger-soft: #fdecea;
    --shadow: 0 1px 2px rgb(16 24 20 / 6%), 0 8px 24px rgb(16 24 20 / 6%);
    --radius: 14px;

    --band-good: #1f9d6b;
    --band-fair: #7cb342;
    --band-moderate: #e0a800;
    --band-poor: #e8710a;
    --band-very-poor: #d93025;
    --band-extremely-poor: #8e24aa;

    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f1513;
        --surface: #161e1b;
        --surface-2: #1d2724;
        --text: #e7eeeb;
        --muted: #9aaba4;
        --border: #2a3632;
        --accent: #3cc3a2;
        --accent-strong: #5fd6b8;
        --accent-soft: #163a31;
        --danger: #ff8a80;
        --danger-soft: #3a1a17;
        --shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 8px 24px rgb(0 0 0 / 30%);

        color-scheme: dark;
    }
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Instrument Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
}

h1,
h2,
h3 {
    line-height: 1.2;
    margin: 0;
}

.container {
    width: 100%;
    max-width: 880px;
    margin: 0 auto;
    padding: 0 16px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.muted {
    color: var(--muted);
    margin: 0;
    font-size: 0.9rem;
}

.eyebrow {
    margin: 0 0 6px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
}

.site-header {
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 60px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 600;
    text-decoration: none;
}

.brand__icon {
    width: 26px;
    height: 26px;
    fill: none;
    stroke: var(--accent);
    stroke-width: 2;
    stroke-linecap: round;
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--muted);
}

.status__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--muted);
}

.status[data-state="up"] .status__dot {
    background: var(--band-good);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--band-good) 25%, transparent);
}

.status[data-state="down"] .status__dot {
    background: var(--band-very-poor);
}

.hero {
    padding: 48px 0 28px;
}

.hero h1 {
    font-size: clamp(1.8rem, 5vw, 2.6rem);
    letter-spacing: -0.02em;
}

.lead {
    max-width: 620px;
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 1.05rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
}

.card__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 4px 16px;
    margin-bottom: 16px;
}

.card__head h2 {
    font-size: 1.15rem;
}

.search__form {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 16px;
    align-items: end;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.field label {
    font-size: 0.85rem;
    font-weight: 600;
}

.field input {
    width: 100%;
    min-height: 44px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
}

.field input:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
    border-color: var(--accent);
}

.field input[aria-invalid="true"] {
    border-color: var(--danger);
}

.field input.date-input {
    padding-right: 40px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2378887f' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2'/%3E%3Cpath d='M16 2v4M8 2v4M3 10h18'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
}

.flatpickr-calendar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
    font-family: inherit;
}

.flatpickr-calendar.arrowTop::before,
.flatpickr-calendar.arrowTop::after {
    border-bottom-color: var(--border);
}

.flatpickr-calendar.arrowBottom::before,
.flatpickr-calendar.arrowBottom::after {
    border-top-color: var(--border);
}

.flatpickr-months .flatpickr-month,
.flatpickr-current-month input.cur-year,
.flatpickr-current-month .cur-month,
span.flatpickr-weekday {
    color: var(--text);
    fill: var(--text);
    background: transparent;
}

.flatpickr-current-month {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    left: 0;
    width: 100%;
    padding-top: 6px;
    font-size: 15px;
}

.flatpickr-current-month span.cur-month {
    margin: 0;
    font-weight: 600;
}

.flatpickr-current-month .numInputWrapper {
    width: 5.5ch;
}

.flatpickr-current-month input.cur-year,
.flatpickr-current-month input.cur-year[disabled],
.flatpickr-current-month input.cur-year[disabled]:hover {
    padding: 0;
    font-weight: 600;
    color: var(--text);
    opacity: 1;
}

.flatpickr-months .flatpickr-prev-month,
.flatpickr-months .flatpickr-next-month {
    color: var(--text);
    fill: var(--text);
}

.flatpickr-months .flatpickr-prev-month:hover svg,
.flatpickr-months .flatpickr-next-month:hover svg {
    fill: var(--accent);
}

.flatpickr-months .flatpickr-prev-month.flatpickr-disabled,
.flatpickr-months .flatpickr-next-month.flatpickr-disabled {
    display: block;
    opacity: 0.25;
    cursor: not-allowed;
}

.numInputWrapper span.arrowUp::after {
    border-bottom-color: var(--text);
}

.numInputWrapper span.arrowDown::after {
    border-top-color: var(--text);
}

.flatpickr-day {
    color: var(--text);
    border-radius: 8px;
}

.flatpickr-day:hover,
.flatpickr-day:focus {
    background: var(--surface-2);
    border-color: var(--surface-2);
}

.flatpickr-day.today {
    border-color: var(--accent);
}

.flatpickr-day.selected,
.flatpickr-day.selected:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--surface);
    font-weight: 600;
}

.flatpickr-day.flatpickr-disabled,
.flatpickr-day.flatpickr-disabled:hover,
.flatpickr-day.prevMonthDay,
.flatpickr-day.nextMonthDay {
    color: var(--muted);
    opacity: 0.35;
    background: transparent;
    border-color: transparent;
}

.flatpickr-day.flatpickr-disabled {
    text-decoration: line-through;
    cursor: not-allowed;
}

.flatpickr-confirm {
    margin: 6px 10px 10px;
    border-radius: 8px;
    background: var(--accent);
    color: var(--surface);
    fill: var(--surface);
    font-weight: 600;
}

.flatpickr-confirm:hover {
    background: var(--accent-strong);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 20px;
    border: 0;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

@media (prefers-color-scheme: dark) {
    .button {
        color: #06231c;
    }
}

.button:hover {
    background: var(--accent-strong);
}

.button:focus-visible,
.chip:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.button[disabled] {
    opacity: 0.7;
    cursor: progress;
}

.button__spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.button.is-loading .button__spinner {
    display: inline-block;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.presets {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
}

.presets__label {
    font-size: 0.85rem;
    color: var(--muted);
}

.chip {
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface-2);
    color: var(--text);
    font: inherit;
    font-size: 0.85rem;
    cursor: pointer;
}

.chip:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.chip[aria-pressed="true"] {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 600;
}

.hint {
    margin: 12px 0 0;
    font-size: 0.85rem;
    color: var(--muted);
}

.hint:empty {
    display: none;
}

.alert {
    margin-top: 16px;
    padding: 12px 14px;
    border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent);
    border-radius: 10px;
    background: var(--danger-soft);
    color: var(--danger);
    font-size: 0.92rem;
}

.alert ul {
    margin: 6px 0 0;
    padding-left: 18px;
}

.results {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

.winner {
    border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
    background: linear-gradient(135deg, var(--accent-soft), var(--surface) 70%);
}

.winner__body {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
}

.winner__city {
    font-size: clamp(2rem, 7vw, 3rem);
    letter-spacing: -0.02em;
}

.winner__period {
    margin: 4px 0 0;
    color: var(--muted);
}

.winner__value {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.winner__number {
    font-size: 2.4rem;
    font-weight: 600;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.winner__unit {
    font-size: 0.85rem;
    color: var(--muted);
}

.ranking {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.ranking__item {
    display: grid;
    grid-template-columns: 32px minmax(80px, 140px) 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--surface-2);
}

.ranking__item:first-child {
    outline: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
}

.ranking__rank {
    font-weight: 600;
    color: var(--muted);
    font-variant-numeric: tabular-nums;
}

.ranking__city {
    font-weight: 600;
}

.ranking__meta {
    display: block;
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--muted);
}

.ranking__track {
    height: 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--muted) 18%, transparent);
    overflow: hidden;
}

.ranking__bar {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: var(--bar, var(--accent));
    transition: width 0.5s ease;
}

.ranking__value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    text-align: right;
    min-width: 70px;
}

.ranking__value small {
    font-weight: 400;
    color: var(--muted);
}

.ranking__item--nodata .ranking__value,
.ranking__item--placeholder .ranking__value {
    color: var(--muted);
    font-weight: 400;
}

.ranking__item--placeholder {
    outline: none !important;
}

.ranking__item--placeholder .ranking__bar {
    width: 0;
}

.ranking__item--placeholder .ranking__city {
    color: var(--muted);
}

.overview {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}

.map {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
}

.map__country {
    fill: var(--surface-2);
    stroke: var(--border);
    stroke-width: 2;
    stroke-linejoin: round;
}

.map__sea {
    fill: var(--muted);
    font-size: 15px;
    font-style: italic;
    writing-mode: vertical-rl;
    opacity: 0.7;
}

.map__dot {
    fill: var(--dot, var(--muted));
    stroke: var(--surface);
    stroke-width: 2.5;
    transition: fill 0.4s ease;
}

.map__ring {
    fill: none;
    stroke: var(--dot, var(--muted));
    stroke-width: 1.5;
    stroke-dasharray: 3 3;
    opacity: 0.55;
}

.map__label {
    fill: var(--text);
    font-size: 19px;
    font-weight: 600;
    paint-order: stroke;
    stroke: var(--surface);
    stroke-width: 4px;
    stroke-linejoin: round;
}

.map__value {
    fill: var(--muted);
    font-size: 16px;
    font-variant-numeric: tabular-nums;
    paint-order: stroke;
    stroke: var(--surface);
    stroke-width: 4px;
    stroke-linejoin: round;
}

.map__city[data-band] .map__ring {
    stroke-dasharray: none;
}

.map__city.is-winner .map__ring {
    stroke-width: 3;
    opacity: 0.9;
    animation: pulse 2s ease-in-out infinite;
    transform-origin: center;
    transform-box: fill-box;
}

@keyframes pulse {
    50% {
        transform: scale(1.25);
        opacity: 0.35;
    }
}

.map__city[data-band="good"] { --dot: var(--band-good); }
.map__city[data-band="fair"] { --dot: var(--band-fair); }
.map__city[data-band="moderate"] { --dot: var(--band-moderate); }
.map__city[data-band="poor"] { --dot: var(--band-poor); }
.map__city[data-band="very-poor"] { --dot: var(--band-very-poor); }
.map__city[data-band="extremely-poor"] { --dot: var(--band-extremely-poor); }

.band {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: #fff;
    background: var(--muted);
}

.band:empty {
    display: none;
}

.band[data-band="good"] { background: var(--band-good); }
.band[data-band="fair"] { background: var(--band-fair); }
.band[data-band="moderate"] { background: var(--band-moderate); color: #2b2100; }
.band[data-band="poor"] { background: var(--band-poor); }
.band[data-band="very-poor"] { background: var(--band-very-poor); }
.band[data-band="extremely-poor"] { background: var(--band-extremely-poor); }

.info {
    margin: 48px 0;
}

.info h2 {
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.info__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.info__item {
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

.info__item h3 {
    font-size: 1rem;
    margin-bottom: 6px;
}

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

.legend {
    margin-top: 16px;
    font-size: 0.92rem;
}

.legend summary {
    cursor: pointer;
    color: var(--accent);
    font-weight: 600;
}

.legend .muted {
    margin-top: 8px;
}

.legend__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin: 10px 0 0;
    padding: 0;
    list-style: none;
    color: var(--muted);
}

.site-footer {
    padding: 24px 0 32px;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--muted);
}

@media (max-width: 640px) {
    .hero {
        padding-top: 32px;
    }

    .card {
        padding: 18px;
    }

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

    .search__form .button {
        grid-column: 1 / -1;
    }

    .ranking__item {
        grid-template-columns: 24px 1fr auto;
        row-gap: 6px;
    }

    .ranking__track {
        grid-column: 2 / -1;
        grid-row: 2;
    }

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

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

@media (max-width: 440px) {
    .search__form {
        grid-template-columns: 1fr;
    }

    .winner__value {
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ranking__bar,
    .button__spinner,
    .map__dot,
    .map__city.is-winner .map__ring {
        transition: none;
        animation: none;
    }
}