/* =============================================================================
   atyair — стили
   Минималистичный светлый интерфейс
   ============================================================================= */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: #1f2937;
    background: #f8fafc;
}

body {
    display: flex;
    flex-direction: column;
}

/* ---------- Шапка ---------- */

.header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    padding: 14px 20px;
    flex-shrink: 0;
}

.header__inner {
    display: flex;
    align-items: center;
    gap: 20px;
    max-width: 1600px;
    margin: 0 auto;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 20px;
}

.header__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #1e88e5;
}

.header__name {
    color: #111827;
    letter-spacing: -0.5px;
}

.header__tagline {
    color: #6b7280;
    font-size: 14px;
}

/* ---------- Main (карта + сайдбар) ---------- */

.main {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 360px;
    overflow: hidden;
    min-height: 0;
}

.map {
    width: 100%;
    height: 100%;
    background: #e5e7eb;
}

.sidebar {
    background: #ffffff;
    border-left: 1px solid #e5e7eb;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar__header {
    padding: 20px;
    border-bottom: 1px solid #e5e7eb;
}

.sidebar__title {
    font-size: 18px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 6px;
}

.sidebar__subtitle {
    font-size: 13px;
    color: #6b7280;
}

.sidebar__content {
    padding: 20px;
    flex: 1;
}

.sidebar__hint {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.6;
}

.sidebar__hint p {
    margin-bottom: 10px;
}

/* ---------- Детали станции ---------- */

.station-details__name {
    font-size: 20px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 4px;
}

.station-details__time {
    font-size: 12px;
    color: #9ca3af;
    margin-bottom: 16px;
}

.aqi-box {
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    color: #ffffff;
    text-align: center;
}

.aqi-box__value {
    font-size: 44px;
    font-weight: 700;
    line-height: 1;
}

.aqi-box__label {
    font-size: 14px;
    margin-top: 4px;
    opacity: 0.95;
}

.pollutant-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.pollutant {
    background: #f3f4f6;
    padding: 10px 12px;
    border-radius: 6px;
}

.pollutant__name {
    font-size: 11px;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pollutant__value {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
    margin-top: 2px;
}

.pollutant__unit {
    font-size: 11px;
    color: #9ca3af;
    font-weight: 400;
}

/* ---------- Легенда ---------- */

.legend {
    padding: 20px;
    border-top: 1px solid #e5e7eb;
    background: #f9fafb;
}

.legend__title {
    font-size: 12px;
    font-weight: 600;
    color: #374151;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.legend__items {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.legend__item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #4b5563;
}

.legend__swatch {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    flex-shrink: 0;
    border: 1px solid rgba(0,0,0,0.1);
}

/* ---------- Футер ---------- */

.footer {
    background: #111827;
    color: #9ca3af;
    padding: 12px 20px;
    font-size: 12px;
    flex-shrink: 0;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    max-width: 1600px;
    margin: 0 auto;
}

.footer a {
    color: #60a5fa;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.footer__update {
    color: #6b7280;
}

/* ---------- Маркеры Leaflet (кастомные цвета) ---------- */

.aqi-marker {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 3px solid #ffffff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    font-weight: 700;
    font-size: 12px;
    cursor: pointer;
    transition: transform 0.15s ease;
}

.aqi-marker:hover {
    transform: scale(1.1);
}

.aqi-marker--no-data {
    background: #9ca3af;
    color: #ffffff;
}

/* ---------- Адаптив под мобильные ---------- */

@media (max-width: 768px) {
    .main {
        grid-template-columns: 1fr;
        grid-template-rows: 60vh 40vh;
    }

    .sidebar {
        border-left: none;
        border-top: 1px solid #e5e7eb;
    }

    .header__tagline {
        display: none;
    }

    .footer__inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}


/* ---------- Новый футер с колонками ---------- */

.footer__columns {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px 20px 15px;
}

.footer__col-title {
    font-size: 13px;
    font-weight: 600;
    color: #e5e7eb;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer__col-text {
    font-size: 12px;
    color: #9ca3af;
    line-height: 1.7;
}

.footer__col-text a {
    color: #60a5fa;
    text-decoration: none;
}

.footer__col-text a:hover {
    text-decoration: underline;
}

.footer__bottom {
    border-top: 1px solid #374151;
    padding: 10px 20px;
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: #6b7280;
}

@media (max-width: 768px) {
    .footer__columns {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
    }
    .footer__bottom {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }
}


/* ---------- Улучшенные карточки загрязнителей ---------- */

.pollutant {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    padding: 10px 12px;
    border-radius: 6px;
    cursor: help;
    position: relative;
    transition: all 0.15s ease;
}

.pollutant:hover {
    background: #f3f4f6;
    border-color: #d1d5db;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.pollutant__name {
    font-size: 13px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.pollutant__info {
    color: #9ca3af;
    font-size: 11px;
    cursor: help;
}

.pollutant__tech {
    font-size: 10px;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.pollutant__value {
    font-size: 17px;
    font-weight: 700;
    color: #111827;
    line-height: 1.2;
}

.pollutant__unit {
    font-size: 11px;
    color: #9ca3af;
    font-weight: 400;
}

.pollutant__level {
    font-size: 11px;
    font-weight: 600;
    margin-top: 4px;
}

/* Tooltip при наведении */
.pollutant::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: #1f2937;
    color: #f9fafb;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 400;
    line-height: 1.5;
    width: 260px;
    max-width: 90vw;
    white-space: normal;
    text-align: left;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

.pollutant::before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(0);
    border: 6px solid transparent;
    border-top-color: #1f2937;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 1000;
}

.pollutant:hover::after,
.pollutant:hover::before {
    opacity: 1;
}

.pollutant:hover::after {
    transform: translateX(-50%) translateY(-14px);
}