/* ==========================================================================
   台語世界政策島（原型） island.css
   2.5D 俯視平面風格，配合網站深色主題；所有文字皆為一般 HTML
   ========================================================================== */

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

:root {
    --sea-deep: #0b1e33;
    --sea-mid: #12304d;
    --sea-light: #1a4066;
    --sand: #e8d9a8;
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --primary: #24BF89;
    --panel-bg: #1e293b;
    --border: #334155;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang TC", "Microsoft JhengHei", sans-serif;
    background: var(--sea-deep);
    color: var(--text-main);
    min-height: 100vh;
}

/* === 頂部列 === */
.isl-header {
    position: sticky; top: 0; z-index: 100;
    display: flex; align-items: center; gap: 14px;
    padding: 12px 20px;
    background: rgba(11, 30, 51, 0.92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--border);
}
.isl-back { color: var(--text-muted); text-decoration: none; font-size: 0.95rem; white-space: nowrap; }
.isl-back:hover { color: var(--primary); }
.isl-title { font-size: 1.25rem; color: var(--text-main); font-weight: 800; }
.isl-title-poj { color: var(--primary); font-weight: 600; font-size: 1rem; }
.isl-badge {
    margin-left: auto; font-size: 0.75rem; color: var(--sand);
    border: 1px solid rgba(232, 217, 168, 0.4); border-radius: 20px; padding: 3px 10px;
    white-space: nowrap;
}

/* === 海洋 === */
.isl-sea {
    position: relative;
    min-height: calc(100vh - 54px);
    padding: 50px 20px 90px;
    background:
        radial-gradient(ellipse 900px 500px at 20% 15%, rgba(36, 191, 137, 0.07), transparent 60%),
        radial-gradient(ellipse 800px 600px at 85% 75%, rgba(26, 64, 102, 0.55), transparent 65%),
        linear-gradient(180deg, var(--sea-mid) 0%, var(--sea-deep) 100%);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    gap: 40px 70px;
}
.isl-loading { width: 100%; text-align: center; color: var(--text-muted); padding: 80px 0; font-size: 1.05rem; }

/* === 環島航路（島嶼下層） === */
.isl-routes { position: absolute; top: 0; left: 0; z-index: 0; pointer-events: none; }

/* === 島嶼 === */
.isl-island { position: relative; flex: 0 0 auto; }

/* 島名牌 */
.isl-plaque {
    position: relative; z-index: 5;
    text-align: center; margin-bottom: 6px;
}
.isl-plaque-name {
    display: inline-block;
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-bottom: 3px solid var(--island-color, var(--primary));
    border-radius: 10px;
    padding: 6px 18px;
    font-size: 1.05rem; font-weight: 700; color: var(--text-main);
    box-shadow: 0 4px 10px rgba(0,0,0,0.35);
}
.isl-plaque-count { font-size: 0.8rem; color: var(--text-muted); margin-left: 8px; font-weight: 400; }

/* 島的本體：海島 SVG 背景 + 建築層 */
.isl-town { position: relative; margin: 0 auto; }
.isl-hex { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; }

/* === 建築 === */
.isl-building {
    position: absolute; z-index: 10;
    transform: translate(-50%, -50%);
    display: flex; flex-direction: column; align-items: center;
    background: none; border: none; cursor: pointer;
    padding: 2px;
}
.isl-building svg { display: block; filter: drop-shadow(0 3px 3px rgba(0,0,0,0.4)); transition: transform 0.15s ease; }
.isl-building:hover svg, .isl-building:focus-visible svg { transform: translateY(-4px) scale(1.15); }
.isl-building-label {
    margin-top: 1px;
    font-size: 10.5px; line-height: 1.25; color: #243b2e;
    background: rgba(240, 244, 235, 0.88);
    border-radius: 6px; padding: 0 5px;
    max-width: 74px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    pointer-events: none;
}
.isl-building:hover .isl-building-label { max-width: none; z-index: 20; position: relative; }

/* === 中央廣場 === */
.isl-plaza-row { flex-basis: 100%; display: flex; justify-content: center; }
.isl-progress {
    margin-top: 6px; font-size: 0.82rem; color: #e8d9a8;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

/* 詞石（收集前灰石、收集後金石） */
.isl-stone .stone-body { fill: #a8a8b0; }
.isl-stone .stone-shine { stroke: #d5d5dc; }
.isl-stone.collected .stone-body { fill: #e8c45a; }
.isl-stone.collected .stone-shine { stroke: #fff2c4; }
.isl-stone.collected .isl-building-label { background: rgba(232, 196, 90, 0.92); font-weight: 700; }

/* === 角色彩蛋 === */
.isl-character {
    position: absolute; z-index: 30;
    left: 0; top: 0;
    transform: translate(-50%, -85%); /* JS 以 translate3d 覆寫（含此錨點位移） */
    will-change: transform;
    background: none; border: none; cursor: pointer; padding: 2px;
}
.isl-character-img {
    display: block; width: 56px; height: 56px; border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 3px 8px rgba(0,0,0,0.4);
    transform-origin: 50% 92%;
    animation: isl-sway 0.9s ease-in-out infinite alternate;
}
/* 去背人物立繪 */
.isl-char-fig {
    display: block; height: 56px; width: auto; /* 所有角色統一高度，等比縮放 */
    filter: drop-shadow(0 3px 5px rgba(0,0,0,0.45));
    transform-origin: 50% 92%;
    animation: isl-sway 0.9s ease-in-out infinite alternate;
}
/* 走路時左右輕搖（像走路擺動，取代原本的上下跳動） */
@keyframes isl-sway { from { transform: rotate(-3.5deg); } to { transform: rotate(3.5deg); } }
/* 向左行進時的翻面版（翻面與搖擺須寫在同一個動畫，避免互相覆蓋） */
.isl-char-fig.isl-flip { animation-name: isl-sway-flip; }
@keyframes isl-sway-flip { from { transform: scaleX(-1) rotate(-3.5deg); } to { transform: scaleX(-1) rotate(3.5deg); } }
@media (prefers-reduced-motion: reduce) { .isl-char-fig, .isl-character-img { animation: none; } }
/* 歇睏時暫停走路搖擺 */
.isl-character.resting img { animation-play-state: paused; }
.isl-character::after {
    content: ''; position: absolute; left: 50%; bottom: -4px;
    width: 34px; height: 8px; transform: translateX(-50%);
    background: rgba(0,0,0,0.25); border-radius: 50%;
}
@keyframes isl-walk { from { transform: translateY(0); } to { transform: translateY(-2.5px); } }
@media (prefers-reduced-motion: reduce) { .isl-character-img { animation: none; } }

.isl-bubble {
    position: absolute; bottom: 105%; left: 50%; transform: translateX(-50%);
    background: #fff; color: #1e293b;
    font-size: 0.82rem; line-height: 1.5; font-weight: 600;
    border-radius: 10px; padding: 7px 11px;
    width: max-content; max-width: 190px; white-space: normal;
    box-shadow: 0 4px 12px rgba(0,0,0,0.35);
    pointer-events: none;
}
.isl-bubble::after {
    content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
    border: 6px solid transparent; border-top-color: #fff;
}

/* 面板內的收集提示 */
.isl-p-collected {
    font-size: 0.88rem; color: #e8c45a; font-weight: 600;
    margin-bottom: 12px;
}

/* === 面板 === */
.isl-panel-backdrop {
    position: fixed; inset: 0; z-index: 200;
    background: rgba(0, 0, 0, 0.5);
}
.isl-panel {
    position: fixed; z-index: 201;
    top: 0; right: 0; bottom: 0;
    width: min(400px, 100vw);
    background: var(--panel-bg);
    border-left: 1px solid var(--border);
    box-shadow: -10px 0 30px rgba(0,0,0,0.45);
    overflow-y: auto;
    animation: isl-slide-in 0.22s ease;
}
@keyframes isl-slide-in { from { transform: translateX(40px); opacity: 0; } to { transform: none; opacity: 1; } }
.isl-panel-close {
    position: absolute; top: 10px; right: 14px; z-index: 5;
    background: none; border: none; color: var(--text-muted);
    font-size: 1.8rem; cursor: pointer; line-height: 1;
}
.isl-panel-close:hover { color: #ef4444; }
.isl-panel-body { padding: 26px 24px 34px; }

.isl-p-cat {
    display: inline-block; font-size: 0.78rem; font-weight: 600;
    color: var(--island-color, var(--primary));
    border: 1px solid currentColor; border-radius: 20px; padding: 2px 10px;
    margin-bottom: 10px;
}
.isl-p-title { font-size: 1.25rem; font-weight: 800; line-height: 1.45; margin-bottom: 6px; }
.isl-p-date { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 14px; }
.isl-p-img { width: 100%; border-radius: 10px; margin-bottom: 14px; border: 1px solid var(--border); }
.isl-p-desc { font-size: 0.98rem; line-height: 1.8; color: var(--text-main); margin-bottom: 18px; }

.isl-p-read {
    display: block; text-align: center;
    background: var(--primary); color: #fff; font-weight: 700;
    border-radius: 10px; padding: 12px; text-decoration: none;
    margin-bottom: 18px; transition: background 0.15s;
}
.isl-p-read:hover { background: #1aab78; }

.isl-p-audio-title { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; }
.isl-p-audio { display: flex; flex-wrap: wrap; gap: 8px; }
.isl-p-audio a {
    font-size: 0.88rem; color: var(--text-main); text-decoration: none;
    border: 1px solid var(--border); border-radius: 8px; padding: 7px 12px;
    background: rgba(255,255,255,0.04);
}
.isl-p-audio a:hover { border-color: var(--primary); color: var(--primary); }
.isl-p-noaudio { font-size: 0.88rem; color: var(--text-muted); font-style: italic; }

/* === 手機 === */
@media (max-width: 640px) {
    .isl-sea { padding: 30px 8px 60px; gap: 28px; }
    .isl-title { font-size: 1.05rem; }
    .isl-title-poj { display: none; }
    .isl-building-label { font-size: 9.5px; max-width: 58px; }
    /* 面板改為下方抽屜 */
    .isl-panel {
        top: auto; left: 0; right: 0; bottom: 0;
        width: 100%; max-height: 78vh;
        border-left: none; border-top: 1px solid var(--border);
        border-radius: 16px 16px 0 0;
        animation: isl-slide-up 0.22s ease;
    }
    @keyframes isl-slide-up { from { transform: translateY(50px); opacity: 0; } to { transform: none; opacity: 1; } }
}