/* =========================================================
   全域設計系統與地圖樣式 (style.css)

   材質與天氣 HUD (weather_layer.js) 同一配方：
   深色染色玻璃 + blur(22px) saturate(180%) + 0.5px 髮絲高光邊 + 雙層柔影。
   ========================================================= */
:root {
    /* Apple 深色模式系統色：放在深色玻璃上比淺色版本更鮮明 */
    --apple-blue: #0a84ff;
    --apple-blue-hover: #409cff;
    --apple-green: #30d158;
    --apple-green-hover: #5fe07f;
    --apple-red: #ff453a;
    --apple-red-hover: #ff6961;
    --apple-orange: #ff9f0a;
    --apple-link: #64d2ff;

    /* 玻璃底色（微調藍灰階與通透感，提升立體層次） */
    --glass-bg: rgba(44, 54, 70, 0.58);
    --glass-bg-hover: rgba(64, 76, 94, 0.68);
    --glass-bg-dense: rgba(34, 44, 60, 0.78);
    --glass-blur: blur(24px) saturate(190%);
    --glass-border: 0 solid transparent;
    --glass-shadow:
        inset 0 0.5px 0 rgba(255, 255, 255, 0.60),
        inset 0 0 0 0.5px rgba(255, 255, 255, 0.22),
        0 10px 32px rgba(0, 0, 0, 0.24),
        0 2px 6px rgba(0, 0, 0, 0.16);
    --glass-shadow-hover:
        inset 0 0.5px 0 rgba(255, 255, 255, 0.75),
        inset 0 0 0 0.5px rgba(255, 255, 255, 0.32),
        0 12px 36px rgba(0, 0, 0, 0.30),
        0 3px 8px rgba(0, 0, 0, 0.20);

    /* 文字與填色階層 */
    --ink: #ffffff;
    --ink-2: rgba(255, 255, 255, 0.94);
    --ink-3: rgba(255, 255, 255, 0.76);
    --hairline: rgba(255, 255, 255, 0.20);
    --fill-1: rgba(255, 255, 255, 0.15);
    --fill-2: rgba(255, 255, 255, 0.24);
    --fill-3: rgba(255, 255, 255, 0.34);

    /* 舊變數名稱保留，避免其他地方引用時失效 */
    --apple-dark: var(--fill-2);
    --apple-dark-hover: var(--fill-3);

    --radius-panel: 22px;
    --radius-ctl: 12px;
    --radius-field: 10px;

    /* 彈簧與平滑緩動曲線 */
    --ease-spring: cubic-bezier(0.22, 1, 0.36, 1.28);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
}

/* 不支援毛玻璃，或使用者要求降低透明度：改用幾乎不透明的底色維持可讀性 */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    :root {
        --glass-bg: rgba(24, 34, 52, 0.92);
        --glass-bg-hover: rgba(46, 58, 82, 0.94);
        --glass-bg-dense: rgba(20, 28, 44, 0.96);
    }
}
@media (prefers-reduced-transparency: reduce) {
    :root {
        --glass-bg: rgba(24, 34, 52, 0.94);
        --glass-bg-hover: rgba(46, 58, 82, 0.96);
        --glass-bg-dense: rgba(20, 28, 44, 0.97);
        --glass-blur: none;
    }
}

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

button, input, select, textarea {
    font-family: inherit;
}

body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: var(--font-sans);
    color: #1c1c1e;
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
}

#map {
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: #e5e5ea;
    font-family: var(--font-sans);
}

/* =========================================================
   全域捲軸美化 (WebKit 細膠囊捲軸)
   ========================================================= */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.28);
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.48);
}

/* =========================================================
   地圖四周原生控制項 (縮放、指北針、圖層選單、比例尺、版權、彈窗)
   ========================================================= */

/* 1. 縮放按鈕 (+/-) 與指北針 */
.leaflet-bar {
    position: relative;
    border: none !important;
    border-radius: var(--radius-ctl) !important;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22), 0 1px 3px rgba(0, 0, 0, 0.16) !important;
    overflow: hidden;
    background: transparent !important;
    transition: transform 0.25s var(--ease-out), box-shadow 0.25s ease;
}

.leaflet-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow:
        inset 0 0.5px 0 rgba(255, 255, 255, 0.58),
        inset 0 0 0 0.5px rgba(255, 255, 255, 0.22);
    pointer-events: none;
}

.leaflet-bar a,
.custom-compass a {
    background: var(--glass-bg) !important;
    backdrop-filter: var(--glass-blur) !important;
    -webkit-backdrop-filter: var(--glass-blur) !important;
    color: var(--ink) !important;
    width: 34px !important;
    height: 34px !important;
    line-height: 34px !important;
    border-radius: 0 !important;
    border-bottom: 0.5px solid rgba(255, 255, 255, 0.18) !important;
    cursor: pointer !important;
    transition: background-color 0.2s ease, transform 0.2s var(--ease-spring) !important;
}

.custom-compass a {
    border-radius: var(--radius-ctl) !important;
    box-shadow: var(--glass-shadow) !important;
}

/* 指北針圖示微互動：懸停時指針微轉動，點擊時回正 */
.custom-compass a i {
    transition: transform 0.45s var(--ease-spring);
}
.custom-compass a:hover i {
    transform: rotate(-25deg) scale(1.12);
}
.custom-compass a:active i {
    transform: rotate(0deg) scale(0.92);
}

.leaflet-bar a:last-child,
.custom-compass a {
    border-bottom: none !important;
}

.leaflet-bar a:hover,
.leaflet-bar a:focus,
.custom-compass a:hover {
    background: var(--glass-bg-hover) !important;
    color: #ffffff !important;
}

.leaflet-bar a:active {
    transform: scale(0.92);
}

.leaflet-bar a:focus-visible,
.custom-compass a:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.9);
    outline-offset: -2px;
}

.leaflet-bar a.leaflet-disabled {
    background: var(--glass-bg) !important;
    color: rgba(255, 255, 255, 0.35) !important;
    cursor: default !important;
}

/* 2. 右上角圖層控制器 */
.leaflet-control-layers {
    background: var(--glass-bg) !important;
    backdrop-filter: var(--glass-blur) !important;
    -webkit-backdrop-filter: var(--glass-blur) !important;
    border: var(--glass-border) !important;
    border-radius: 14px !important;
    box-shadow: var(--glass-shadow) !important;
    font-family: var(--font-sans);
    font-size: 12.5px;
    color: var(--ink) !important;
    padding: 2px;
    transition: padding 0.25s var(--ease-out), background-color 0.25s ease, box-shadow 0.25s ease;
}

.leaflet-control-layers:hover {
    box-shadow: var(--glass-shadow-hover) !important;
}

.leaflet-control-layers-expanded {
    padding: 10px 14px !important;
    color: var(--ink) !important;
    background: var(--glass-bg-dense) !important;
    animation: layerMenuExpand 0.25s var(--ease-out) both;
}

@keyframes layerMenuExpand {
    from { opacity: 0.6; transform: scale(0.95); transform-origin: top right; }
    to   { opacity: 1;   transform: scale(1);    transform-origin: top right; }
}

.leaflet-control-layers-toggle {
    filter: invert(1) brightness(1.1);
    transition: transform 0.25s var(--ease-spring);
}
.leaflet-control-layers:hover .leaflet-control-layers-toggle {
    transform: scale(1.08);
}

.leaflet-control-layers-separator {
    border-top: 0.5px solid var(--hairline) !important;
    margin: 6px 0 !important;
}

.leaflet-control-layers label {
    color: var(--ink);
    padding: 3px 4px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.leaflet-control-layers label:hover {
    background: var(--fill-1);
}

.leaflet-control-layers input[type="checkbox"],
.leaflet-control-layers input[type="radio"] {
    accent-color: var(--apple-blue);
    cursor: pointer;
}

/* 3. 左下角比例尺 */
.leaflet-control-scale-line {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(14px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(14px) saturate(180%) !important;
    border: 1px solid rgba(255, 255, 255, 0.70) !important;
    border-top: none !important;
    border-radius: 0 0 6px 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.16);
    color: var(--ink) !important;
    text-shadow: none !important;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 11px !important;
    padding: 2px 6px !important;
    transition: width 0.2s var(--ease-out);
}

/* 4. 右下角版權資訊 */
.leaflet-control-attribution {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(14px) saturate(180%);
    -webkit-backdrop-filter: blur(14px) saturate(180%);
    color: var(--ink-3) !important;
    font-family: var(--font-sans);
    font-size: 10.5px;
    padding: 2px 8px !important;
    border-radius: 10px 0 0 0;
}

.leaflet-control-attribution a {
    color: var(--apple-link) !important;
    text-decoration: none;
}
.leaflet-control-attribution a:hover {
    text-decoration: underline;
}

/* 5. 點擊站牌/公車的 Popup 彈出視窗 (加入展開彈簧動畫) */
.leaflet-fade-anim .leaflet-popup {
    transition: opacity 0.2s var(--ease-out);
}

.leaflet-popup-content-wrapper {
    background: var(--glass-bg-dense) !important;
    backdrop-filter: var(--glass-blur) !important;
    -webkit-backdrop-filter: var(--glass-blur) !important;
    border: var(--glass-border) !important;
    border-radius: 16px !important;
    box-shadow: var(--glass-shadow-hover) !important;
    font-family: var(--font-sans);
    font-size: 12.5px;
    line-height: 1.6;
    color: var(--ink) !important;
}

.leaflet-popup-tip {
    background: var(--glass-bg-dense) !important;
    backdrop-filter: var(--glass-blur) !important;
    -webkit-backdrop-filter: var(--glass-blur) !important;
    box-shadow: none !important;
}

.leaflet-popup-content {
    margin: 12px 15px !important;
}

.leaflet-popup-content a {
    color: var(--apple-link);
}

/* 自動攔截並提亮 JS 寫在 Popup 內的暗色說明文字 */
.leaflet-popup-content span[style*="color:#666"],
.leaflet-popup-content span[style*="color:#888"],
.leaflet-popup-content div[style*="color:#666"] {
    color: var(--ink-3) !important;
}

.leaflet-container a.leaflet-popup-close-button {
    color: var(--ink-3) !important;
    top: 6px !important;
    right: 6px !important;
    width: 22px !important;
    height: 22px !important;
    line-height: 20px !important;
    border-radius: 50%;
    transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.leaflet-container a.leaflet-popup-close-button:hover {
    color: #ffffff !important;
    background: var(--fill-2) !important;
    transform: scale(1.08);
}

/* 清除 Leaflet 自訂圖示預設白底 */
.custom-div-icon,
.custom-bus-icon,
.smart-pin-icon {
    background: transparent !important;
    border: none !important;
}

/* =========================================================
   左下角「即時動態」更新面板
   ========================================================= */
.update-panel-container {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    padding: 11px 14px;
    border-radius: 18px;
    font-family: var(--font-sans);
    font-size: 12px;
    text-align: center;
    color: var(--ink);
    contain: layout style;
    transition: box-shadow 0.25s ease, background-color 0.25s ease;
}

.update-panel-container:hover {
    box-shadow: var(--glass-shadow-hover);
}

.update-title {
    margin-bottom: 4px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0.02em;
}

.update-time {
    margin-bottom: 8px;
    font-size: 11.5px;
    color: var(--ink-2);
    font-variant-numeric: tabular-nums;
}

.sec-counter-text {
    color: var(--apple-red-hover);
    font-weight: 700;
    font-size: 13px;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 8px rgba(255, 69, 58, 0.35);
}

/* 次要玻璃按鈕（具光澤與按壓回彈） */
.manual-btn {
    width: 100%;
    padding: 7px 12px;
    cursor: pointer;
    background: var(--apple-dark);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-field);
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    box-shadow:
        inset 0 0.5px 0 rgba(255, 255, 255, 0.45),
        inset 0 0 0 0.5px rgba(255, 255, 255, 0.18),
        0 2px 5px rgba(0, 0, 0, 0.18);
    transition: transform 0.3s var(--ease-spring), background-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    user-select: none;
}

.manual-btn:hover {
    background: var(--apple-dark-hover);
    box-shadow:
        inset 0 0.5px 0 rgba(255, 255, 255, 0.65),
        inset 0 0 0 0.5px rgba(255, 255, 255, 0.28),
        0 4px 10px rgba(0, 0, 0, 0.24);
}

.manual-btn:active {
    transform: scale(0.95);
}

.manual-btn:disabled {
    opacity: 0.55;
    cursor: wait;
    transform: none;
}

.manual-btn:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.9);
    outline-offset: 2px;
}

/* =========================================================
   頂部浮動 Toast 提示訊息
   ========================================================= */
.toast-message {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translate3d(-50%, 0, 0);
    background: var(--glass-bg-dense);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: var(--glass-shadow-hover);
    color: #ffffff;
    padding: 9px 20px;
    border-radius: 999px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.01em;
    z-index: 9999;
    pointer-events: none;
    animation: toastFadeInOut 3s var(--ease-out) forwards;
    transition: top 0.35s var(--ease-spring);
}

/* 天氣圖層開啟時，Toast 自動平滑往下讓出位置 */
body:has(.apple-weather-hud.active) .toast-message {
    top: 68px;
}

@keyframes toastFadeInOut {
    0%   { opacity: 0; transform: translate3d(-50%, -14px, 0) scale(0.94); }
    12%  { opacity: 1; transform: translate3d(-50%, 0, 0) scale(1); }
    88%  { opacity: 1; transform: translate3d(-50%, 0, 0) scale(1); }
    100% { opacity: 0; transform: translate3d(-50%, -10px, 0) scale(0.96); }
}

@keyframes toastOpacity {
    0%   { opacity: 0; }
    12%  { opacity: 1; }
    88%  { opacity: 1; }
    100% { opacity: 0; }
}

/* =========================================================
   地圖點位圖示 (YouBike、公車站牌、即時公車膠囊)
   ========================================================= */
.yb-custom-icon,
.bus-stop-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    min-width: 18px;
    min-height: 18px;
    border-radius: 50%;
    border: 1.5px solid #ffffff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.32);
    box-sizing: border-box;
    transition: transform 0.3s var(--ease-spring), background-color 0.3s ease, box-shadow 0.3s ease;
}

.yb-custom-icon { background-color: #636366; }
.bus-stop-icon { background-color: var(--apple-blue); }

.yb-custom-icon i,
.bus-stop-icon i {
    color: #ffffff;
    font-size: 10px;
    line-height: 1;
}

.yb-custom-icon:hover,
.bus-stop-icon:hover {
    transform: scale(1.24);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.45);
    z-index: 10;
}

/* 強化一般即時公車膠囊標籤 (.bus-live-box) 的立體感與懸停回饋 */
.bus-live-box {
    transition: transform 0.25s var(--ease-spring), box-shadow 0.25s ease, border-color 0.25s ease;
    box-shadow: inset 0 0.5px 0 rgba(255, 255, 255, 0.45), 0 3px 8px rgba(0, 0, 0, 0.40) !important;
    letter-spacing: 0.02em;
}

.bus-live-box:hover {
    transform: scale(1.12) translateY(-1px);
    box-shadow: inset 0 0.5px 0 rgba(255, 255, 255, 0.7), 0 6px 14px rgba(0, 0, 0, 0.55) !important;
}

@media (prefers-reduced-motion: reduce) {
    .leaflet-bar a,
    .custom-compass a,
    .custom-compass a i,
    .manual-btn,
    .yb-custom-icon,
    .bus-stop-icon,
    .bus-live-box,
    .leaflet-popup,
    .leaflet-control-layers-expanded {
        transition: none !important;
        animation: none !important;
    }
    .manual-btn:active,
    .yb-custom-icon:hover,
    .bus-stop-icon:hover,
    .bus-live-box:hover {
        transform: none;
    }
    .toast-message {
        animation-name: toastOpacity;
    }
}

/* =========================================================
   ASCII 地球開場動畫覆蓋層 (轉場結束後自動銷毀)
   ========================================================= */
#ascii-intro-overlay {
    --bg0: #f4f2ed;
    --bg1: #eae8e1;
    --bg2: #dad8cf;
    position: fixed;
    inset: 0;
    z-index: 10000; /* 蓋過地圖(1000)與 Toast(9999) */
    background: radial-gradient(ellipse at 50% 46%, var(--bg0) 0%, var(--bg1) 68%, var(--bg2) 100%);
    transition: opacity 1.3s cubic-bezier(0.16, 1, 0.3, 1);
}
#ascii-intro-overlay.is-leaving {
    opacity: 0;
    pointer-events: none;
}
#ascii-intro-overlay canvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: default;
}
#ascii-intro-overlay #flash {
    position: fixed;
    inset: 0;
    background: var(--bg0);
    opacity: 0;
    pointer-events: none;
}