/* ═══════════════════════════════════════════════
   environment.css — 날씨·대기질 상세 페이지
   ═══════════════════════════════════════════════ */

/* ── Hero KPI ── */
.env-hero-kpis   { display: flex; gap: 0; flex-wrap: wrap; margin-top: 20px; margin-bottom: 24px; }
.env-hero-kpi    { padding: 0 28px 0 0; margin-right: 28px; border-right: 1px solid #1e293b; }
.env-hero-kpi:last-child { border-right: none; }
.env-hero-kpi-label { font-size: 12px; color: #475569; font-weight: 600; margin-bottom: 2px; }
.env-hero-kpi-value { font-size: 22px; font-weight: 800; color: white; line-height: 1; }
.env-hero-kpi-value span { font-size: 13px; font-weight: 500; color: #64748b; margin-left: 3px; }

/* ── 페이지 네비게이션 (날씨 ↔ 대기질) ── */
.env-page-nav { display: flex; gap: 0; background: var(--surface); border-bottom: 2px solid var(--border);
                margin-bottom: 32px; position: sticky; top: 53px; z-index: 100; }
.env-page-nav-link { padding: 14px 24px; font-size: 14px; font-weight: 700; color: var(--text-muted);
                     text-decoration: none; border-bottom: 3px solid transparent; margin-bottom: -2px;
                     transition: all 0.15s; }
.env-page-nav-link:hover { color: var(--text-main); }
.env-page-nav-link.active { color: #0284c7; border-bottom-color: #0284c7; }

/* ── 섹션 ── */
.env-section        { display: none; }
.env-section.active { display: block; }
.env-section-header { display: flex; align-items: baseline; gap: 10px;
                       margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--text-main); }
.env-section-header h2 { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; }
.env-section-header span { font-size: 13px; color: var(--text-muted); }

/* ── KPI 카드 그리드 (5열) ── */
.env-kpi-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 24px; }
.env-kpi-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
                padding: 18px 20px; border-top: 3px solid transparent; }
.env-kpi-label { font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 4px; }
.env-kpi-value { font-size: 26px; font-weight: 800; color: var(--text-main); line-height: 1.1; margin-bottom: 4px; }
.env-kpi-value span { font-size: 13px; font-weight: 500; color: var(--text-faint); margin-left: 2px; }
.env-kpi-grade { margin-bottom: 4px; }
.env-kpi-sub   { font-size: 12px; color: var(--text-faint); }

.env-kpi-card--sky    { border-top-color: #0284c7; } .env-kpi-card--sky    .env-kpi-value { color: #0284c7; }
.env-kpi-card--red    { border-top-color: #ef4444; } .env-kpi-card--red    .env-kpi-value { color: #ef4444; }
.env-kpi-card--indigo { border-top-color: #6366f1; } .env-kpi-card--indigo .env-kpi-value { color: #6366f1; }
.env-kpi-card--teal   { border-top-color: #0891b2; } .env-kpi-card--teal   .env-kpi-value { color: #0891b2; }
.env-kpi-card--gray   { border-top-color: #94a3b8; } .env-kpi-card--gray   .env-kpi-value { color: #64748b; }
.env-kpi-card--orange { border-top-color: #f97316; } .env-kpi-card--orange .env-kpi-value { color: #f97316; }
.env-kpi-card--green  { border-top-color: #16a34a; } .env-kpi-card--green  .env-kpi-value { color: #16a34a; }
.env-kpi-card--purple { border-top-color: #8b5cf6; } .env-kpi-card--purple .env-kpi-value { color: #8b5cf6; }

/* ── PM 등급 배지 ── */
.pm-grade       { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.pm-good        { background: #dcfce7; color: #15803d; }
.pm-normal      { background: #dbeafe; color: #1d4ed8; }
.pm-bad         { background: #fef3c7; color: #b45309; }
.pm-very-bad    { background: #fee2e2; color: #b91c1c; }

/* ── 특보 이벤트 그리드 ── */
.env-event-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 28px; }
.env-event-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; }
.env-event-label { font-size: 12px; color: var(--text-muted); font-weight: 600; margin-bottom: 6px; }
.env-event-val  { font-size: 28px; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.env-event-val.zero { color: var(--success); }
.env-event-val small { font-size: 14px; margin-left: 4px; }
.env-event-sub  { font-size: 12px; color: var(--text-faint); }
.env-event-card--heat    { border-top: 3px solid #dc2626; } .env-event-card--heat    .env-event-val:not(.zero) { color: #dc2626; }
.env-event-card--tropical{ border-top: 3px solid #9333ea; } .env-event-card--tropical .env-event-val:not(.zero) { color: #9333ea; }
.env-event-card--cold    { border-top: 3px solid #2563eb; } .env-event-card--cold    .env-event-val:not(.zero) { color: #2563eb; }
.env-event-card--rain    { border-top: 3px solid #0891b2; } .env-event-card--rain    .env-event-val:not(.zero) { color: #0891b2; }

/* ── 카드 그리드 ── */
.env-card-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.env-card        { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px 22px; margin-bottom: 0; }
.env-card-title  { font-size: 13px; font-weight: 700; color: var(--text-muted); margin-bottom: 14px; display: flex; align-items: center; gap: 6px; }
.env-chart-wrap  { position: relative; height: 240px; }

/* ── 서브 타이틀 ── */
.env-sub-title { font-size: 15px; font-weight: 800; color: var(--text-main); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.env-sub-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ── 등급 기준 힌트 ── */
.env-grade-hint { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.env-grade-hint-item { background: var(--bg); border: 1px solid var(--border); border-radius: 7px;
                        padding: 8px 14px; font-size: 12px; color: var(--text-faint); }
.env-grade-hint-item strong { color: var(--text-muted); }

/* ── 범위 버튼 ── */
.env-range-btn { padding: 4px 10px; font-size: 12px; font-weight: 700; border: 1px solid var(--border);
                 border-radius: 5px; background: var(--bg); color: var(--text-muted);
                 cursor: pointer; font-family: inherit; transition: all 0.15s; }
.env-range-btn:hover { border-color: var(--primary); color: var(--primary); }
.env-range-btn.active { background: var(--primary); color: white; border-color: var(--primary); }
.env-range-btn:disabled { opacity: 0.35; cursor: not-allowed; pointer-events: none; }

/* ── PM2.5 일별 달력 ── */
.env-day-cal-grid { display: grid; grid-template-columns: repeat(10, 1fr); gap: 6px; margin-top: 4px; }
.env-day-cal { border-radius: 7px; padding: 8px 4px 6px; display: flex; flex-direction: column;
               align-items: center; gap: 2px; border: 1px solid transparent; }
.env-day-cal__num   { font-size: 11px; font-weight: 700; color: var(--text-muted); line-height: 1; }
.env-day-cal__val   { font-size: 12px; font-weight: 800; line-height: 1.2; }
.env-day-cal__grade { font-size: 10px; font-weight: 600; line-height: 1; }

.env-day-cal--good     { background: #dcfce7; border-color: #bbf7d0; }
.env-day-cal--good     .env-day-cal__val   { color: #15803d; }
.env-day-cal--good     .env-day-cal__grade { color: #16a34a; }
.env-day-cal--normal   { background: #dbeafe; border-color: #bfdbfe; }
.env-day-cal--normal   .env-day-cal__val   { color: #1d4ed8; }
.env-day-cal--normal   .env-day-cal__grade { color: #2563eb; }
.env-day-cal--bad      { background: #fef3c7; border-color: #fde68a; }
.env-day-cal--bad      .env-day-cal__val   { color: #b45309; }
.env-day-cal--bad      .env-day-cal__grade { color: #d97706; }
.env-day-cal--very-bad { background: #fee2e2; border-color: #fecaca; }
.env-day-cal--very-bad .env-day-cal__val   { color: #b91c1c; }
.env-day-cal--very-bad .env-day-cal__grade { color: #dc2626; }
.env-day-cal--pending  { background: var(--bg); border-color: var(--border); }
.env-day-cal--pending  .env-day-cal__num   { color: var(--text-faint); }
.env-day-cal--pending  .env-day-cal__val   { color: var(--border); }
.env-day-cal--pending  .env-day-cal__grade { color: var(--text-faint); }

.env-day-cal-legend { display: flex; gap: 14px; margin-top: 14px; flex-wrap: wrap; }
.env-day-cal-legend span { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-muted); }
.env-legend-dot { display: inline-block; width: 12px; height: 12px; border-radius: 2px; border: 1px solid; }

/* ── 오염물질 카드 ── */
.env-pollutant-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.env-pollutant-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; }
.env-pollutant-name { font-size: 12px; font-weight: 700; color: var(--text-muted); margin-bottom: 4px; }
.env-pollutant-value { font-size: 22px; font-weight: 800; color: var(--text-main); line-height: 1.2; }
.env-pollutant-unit { font-size: 12px; font-weight: 500; color: var(--text-faint); margin-left: 2px; }
.env-pollutant-bar-wrap { margin-top: 8px; height: 6px; background: var(--bg); border-radius: 3px; overflow: hidden; }
.env-pollutant-bar { height: 100%; border-radius: 3px; }
.env-pollutant-status { font-size: 11px; font-weight: 700; margin-top: 5px; }

/* ── 테이블 ── */
.env-table-wrap { overflow-x: auto; margin-bottom: 24px; }
.env-table { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--surface);
             border-radius: 12px; overflow: hidden; border: 1px solid var(--border); min-width: 700px; }
.env-table th { padding: 10px 12px; background: var(--bg); color: var(--text-muted); font-weight: 700;
                font-size: 12px; border-bottom: 2px solid var(--border); text-align: left; white-space: nowrap; }
.env-table th.r { text-align: right; }
.env-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; white-space: nowrap; }
.env-table tr:last-child td { border-bottom: none; }
.env-table tr:hover td { background: var(--bg); }
.env-table td.r { text-align: right; font-variant-numeric: tabular-nums; }
.env-row-current td { background: #eff6ff !important; font-weight: 700; }
.env-col-month { font-weight: 700; color: var(--text-main); }

/* ── 상태 배지 ── */
.env-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 700; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-info    { background: #dbeafe; color: #1e40af; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger  { background: #fee2e2; color: #991b1b; }

/* ── 하단 네비게이션 ── */
.bottom-nav  { margin-top: 36px; display: flex; flex-direction: column; gap: 16px; }
.back-link   { font-size: 14px; font-weight: 600; color: var(--primary); text-decoration: none; }
.back-link:hover { text-decoration: underline; }
.month-nav { display: flex; justify-content: space-between; align-items: center; }
.month-link { font-size: 13px; font-weight: 600; color: var(--text-muted); text-decoration: none; padding: 8px 16px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); cursor: pointer; }
.month-link:hover { border-color: var(--primary); color: var(--primary); }
.month-current { font-size: 14px; font-weight: 700; }
.month-select  { font-size: 14px; font-weight: 700; padding: 6px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); cursor: pointer; }
.env-month-link { color: var(--primary); text-decoration: none; font-weight: 600; }
.env-month-link:hover { text-decoration: underline; }

/* ── 반응형 ── */
@media (max-width: 900px) {
    .env-kpi-grid      { grid-template-columns: repeat(3, 1fr); }
    .env-event-grid    { grid-template-columns: repeat(2, 1fr); }
    .env-card-grid-2   { grid-template-columns: 1fr; }
    .env-pollutant-grid{ grid-template-columns: repeat(2, 1fr); }
    .env-day-cal-grid  { grid-template-columns: repeat(7, 1fr); }
    .env-hero-kpis     { gap: 12px; }
    .env-hero-kpi      { border-right: none; padding-right: 0; margin-right: 0; }
}
@media (max-width: 768px) {
    .env-table { min-width: 0; font-size: 11px; }
    .env-table th { white-space: normal; padding: 6px 4px; font-size: 10px; }
    .env-table td { padding: 6px 4px; }
    .env-badge { font-size: 10px; padding: 1px 5px; }
    .env-hero-kpis { display: grid; grid-template-columns: repeat(3, 1fr); }
    .env-section-header { flex-direction: column; gap: 4px; align-items: flex-start; }
    .env-page-nav-link { padding: 12px 16px; font-size: 13px; }
    .env-grade-hint-item { padding: 6px 10px; font-size: 11px; }
}
@media (max-width: 600px) {
    .env-kpi-grid      { grid-template-columns: repeat(2, 1fr); }
    .env-day-cal-grid  { grid-template-columns: repeat(5, 1fr); }
}
@media (max-width: 480px) {
    .env-table { font-size: 10px; }
    .env-table th { padding: 4px 2px; font-size: 9px; }
    .env-table td { padding: 5px 2px; }
    .env-hero-kpis { grid-template-columns: repeat(2, 1fr); }
    .env-hero-kpi-value { font-size: 18px; }
    .env-pollutant-grid { grid-template-columns: 1fr; }
}