/* GNSS解析 (RINEX) スタイル — flight_forecastの流儀を踏襲 */
* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', Meiryo, sans-serif;
    background: #f1f5f9;
    color: #1e293b;
    line-height: 1.6;
}

.app-header {
    background: linear-gradient(135deg, #064e3b, #10b981);
    color: #fff;
    padding: 0.55rem 1.25rem;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.15rem 0.75rem;
}
.app-header h1 { margin: 0; font-size: 1.1rem; }
.app-header .subtitle { margin: 0; font-size: 0.78rem; opacity: 0.88; }
.home-link {
    color: #d1fae5;
    text-decoration: none;
    font-size: 0.8rem;
    white-space: nowrap;
    padding-right: 0.75rem;
    border-right: 1px solid rgba(255, 255, 255, 0.35);
}
.home-link:hover { text-decoration: underline; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.panel {
    background: #fff;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    overflow: hidden;
}
.panel h2 {
    margin: 0;
    padding: 0.7rem 1rem;
    font-size: 1rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.panel-body { padding: 0.9rem 1rem 1rem; }
.tag {
    font-size: 0.65rem;
    font-weight: normal;
    color: #64748b;
    background: #f1f5f9;
    border-radius: 999px;
    padding: 0.1rem 0.6rem;
}

.top-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 1rem;
    background: none;
    box-shadow: none;
}
.side-body { padding: 0.75rem 1rem 1rem; }

.mono { font-family: ui-monospace, 'Cascadia Code', Consolas, monospace; font-size: 0.85rem; }
.muted { color: #64748b; font-size: 0.78rem; }

.control-row { margin-top: 0.6rem; display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.control-row label { font-size: 0.82rem; }
.control-row input[type="range"] { flex: 1; min-width: 120px; }
.control-row select { padding: 0.3rem; border: 1px solid #cbd5e1; border-radius: 0.4rem; font-size: 0.8rem; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.45rem 0.8rem;
    background: #10b981;
    color: #fff;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.82rem;
    cursor: pointer;
}
.btn:hover { background: #059669; }
.btn-sub { background: #64748b; }
.btn-sub:hover { background: #475569; }

/* ファイル読込 */
.drop-zone {
    display: block;
    border: 2px dashed #94a3b8;
    border-radius: 0.6rem;
    padding: 1.1rem 1rem;
    text-align: center;
    cursor: pointer;
    background: #f8fafc;
    transition: background 0.15s, border-color 0.15s;
}
.drop-zone:hover, .drop-zone.drag { background: #ecfdf5; border-color: #10b981; }
.dz-main { font-size: 0.95rem; margin-bottom: 0.25rem; }

.brdc-box {
    margin-top: 0.75rem;
    border: 1px solid #a7f3d0;
    background: #ecfdf5;
    border-radius: 0.6rem;
    padding: 0.6rem 0.8rem;
}
.brdc-title { font-size: 0.85rem; font-weight: bold; color: #065f46; }
.brdc-box input[type="date"] {
    padding: 0.3rem 0.4rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.4rem;
    font-size: 0.85rem;
}

.file-list { list-style: none; margin: 0.6rem 0 0; padding: 0; font-size: 0.85rem; }
.file-list li { padding: 0.25rem 0; border-bottom: 1px solid #f1f5f9; word-break: break-all; }
.badge-file {
    display: inline-block;
    font-size: 0.68rem;
    border-radius: 0.35rem;
    padding: 0 0.45rem;
    margin-right: 0.4rem;
    vertical-align: 0.08em;
}
.badge-nav { background: #dbeafe; color: #1d4ed8; }
.badge-obs { background: #dcfce7; color: #166534; }

/* 地点入力 */
#pos-map {
    height: 220px;
    border-radius: 0.6rem;
    overflow: hidden;
    margin-top: 0.6rem;
    cursor: crosshair;
}
.pos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.5rem;
}
.pos-grid label { font-size: 0.72rem; color: #64748b; display: block; }
.pos-grid input {
    width: 100%;
    padding: 0.3rem 0.4rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.4rem;
    font-size: 0.85rem;
    font-family: ui-monospace, Consolas, monospace;
}

.const-boxes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.75rem;
    margin-top: 0.6rem;
    font-size: 0.82rem;
}
.const-boxes label { display: inline-flex; align-items: center; gap: 0.25rem; cursor: pointer; }
.cdot {
    width: 0.7rem; height: 0.7rem;
    border-radius: 50%;
    background: var(--c);
    display: inline-block;
}
.side-panel hr { border: none; border-top: 1px solid #e2e8f0; margin: 0.75rem 0; }

/* チャート */
.chart-wrap { width: 100%; overflow: hidden; position: relative; }
.chart-wrap canvas { width: 100%; display: block; }
#dop-canvas, #count-canvas { cursor: crosshair; touch-action: pan-y; }

.step-btn {
    border: 1px solid #cbd5e1;
    background: #fff;
    border-radius: 0.5rem;
    padding: 0.1rem 0.6rem;
    font-size: 0.75rem;
    cursor: pointer;
    color: #475569;
    white-space: nowrap;
}
.step-btn:hover { background: #f1f5f9; }

/* 時刻スライダー: 可動域をチャートのプロット領域(左pad34/右pad18、つまみ幅16)に合わせる */
.slider-row { margin: 0.25rem 0 0.5rem; }
#time-slider {
    -webkit-appearance: none;
    appearance: none;
    display: block;
    width: calc(100% - 36px);
    margin: 0 10px 0 26px;
    height: 18px;
    background: transparent;
    cursor: pointer;
}
#time-slider::-webkit-slider-runnable-track {
    height: 6px;
    border-radius: 3px;
    background: #e2e8f0;
}
#time-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #10b981;
    margin-top: -5px;
}
#time-slider::-moz-range-track {
    height: 6px;
    border-radius: 3px;
    background: #e2e8f0;
}
#time-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border: none;
    border-radius: 50%;
    background: #10b981;
}
.slider-time {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.2rem;
}

.gnss-detail {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 1rem;
    align-items: start;
}
.sky-wrap { text-align: center; }
.sky-wrap canvas { max-width: 100%; height: auto; }
.dop-hint { margin: 0.75rem 0 0; max-width: 520px; }

.dop-readout { font-size: 0.9rem; }
.dop-readout table { border-collapse: collapse; width: 100%; max-width: 380px; }
.dop-readout td, .dop-readout th {
    padding: 0.25rem 0.5rem;
    border-bottom: 1px solid #f1f5f9;
    text-align: left;
    font-size: 0.85rem;
}
.dop-readout th { color: #64748b; font-weight: normal; white-space: nowrap; }

.panel-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    border-radius: 0.5rem;
    padding: 0.6rem 0.8rem;
    font-size: 0.85rem;
    margin: 0.6rem 0;
}

.disclaimer {
    font-size: 0.75rem;
    color: #64748b;
    background: #f8fafc;
    border-radius: 0.6rem;
    padding: 0.75rem 1rem;
    margin: 0;
}

.app-footer {
    margin-top: 1.5rem;
    padding: 1.25rem 1rem 2rem;
    text-align: center;
    font-size: 0.75rem;
    color: #64748b;
    background: #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.app-footer a { color: #0f766e; }

@media (max-width: 800px) {
    .top-grid { grid-template-columns: 1fr; }
    .gnss-detail { grid-template-columns: 1fr; }
}