/* MmaGuessr · 全局样式（深色玻璃质感 UI） */

/* ============ 基础 ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background: #0d1117;
    color: #e6edf3;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
button {
    font-family: inherit;
}

/* ============ 主菜单 ============ */
#home-screen {
    position: fixed;
    inset: 0;
    z-index: 5000;
    background: radial-gradient(ellipse 80% 60% at 50% 20%, #1a2332 0%, #0d1117 70%);
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-y: auto;
    padding: 48px 24px;
}
#home-screen h1 {
    font-size: 44px;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: 1px;
    background: linear-gradient(135deg, #58a6ff, #a5d6ff, #58a6ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
#home-screen .subtitle {
    color: #7d8590;
    margin-bottom: 36px;
    font-size: 14px;
    font-weight: 400;
}
.mode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
    width: 100%;
    max-width: 920px;
}
.mode-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 24px 20px 20px;
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}
.mode-card:hover {
    transform: translateY(-2px);
    background: rgba(88, 166, 255, 0.08);
    border-color: rgba(88, 166, 255, 0.25);
    box-shadow: 0 6px 24px rgba(88, 166, 255, 0.12);
}
.mode-card .icon {
    font-size: 32px;
    margin-bottom: 12px;
    opacity: 0.9;
}
.mode-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #e6edf3;
}
.mode-card p {
    font-size: 12.5px;
    color: #8b949e;
    line-height: 1.55;
}
.mode-card .best {
    margin-top: 14px;
    font-size: 11.5px;
    color: #8b949e;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 10px;
}

/* ============ 版本号 & 更新记录 ============ */
.home-footer {
    margin-top: 30px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
}
.home-footer .ver-badge {
    font-size: 13px;
    color: #8899bb;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 6px 16px;
    border-radius: 20px;
}
.home-footer .bank-badge {
    font-size: 13px;
    color: #c8d4ee;
    background: rgba(76, 175, 80, 0.14);
    border: 1px solid rgba(76, 175, 80, 0.4);
    padding: 6px 16px;
    border-radius: 20px;
}
.home-footer .changelog-btn {
    font-size: 13px;
    color: #fff;
    background: rgba(52, 152, 219, 0.22);
    border: 1px solid #3498db;
    padding: 6px 18px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s;
}
.home-footer .changelog-btn:hover {
    background: rgba(52, 152, 219, 0.45);
}
#version-line {
    font-size: 12px;
    color: #8899bb;
    margin-top: 8px;
}

/* Notion 文档入口（链接卡片式按钮，与全站风格一致） */
.home-footer .notion-btn {
    font-size: 13px;
    color: #fff;
    background: rgba(26, 188, 156, 0.2);
    border: 1px solid #1abc9c;
    padding: 6px 18px;
    border-radius: 20px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.home-footer .notion-btn:hover {
    background: rgba(26, 188, 156, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(26, 188, 156, 0.35);
    color: #fff;
}
.home-footer .notion-btn:active {
    transform: translateY(0);
}

#changelog-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: none;
    background: rgba(10, 15, 35, 0.92);
    backdrop-filter: blur(6px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}
#changelog-overlay.show {
    display: flex;
}
#changelog-box {
    background: #16213e;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    width: 100%;
    max-width: 660px;
    max-height: 84vh;
    overflow-y: auto;
    padding: 26px 30px;
}
#changelog-box h2 {
    font-size: 23px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.clog-close {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    border-radius: 10px;
    padding: 6px 14px;
    cursor: pointer;
    font-size: 14px;
    white-space: nowrap;
}
.clog-close:hover {
    background: rgba(255, 255, 255, 0.22);
}
.clog-entry {
    border-left: 3px solid #3498db;
    padding: 8px 0 8px 16px;
    margin-bottom: 18px;
}
.clog-entry .clog-head {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}
.clog-entry .clog-ver {
    font-size: 16px;
    font-weight: bold;
    color: #4caf50;
}
.clog-entry .clog-date {
    font-size: 12px;
    color: #8899bb;
}
.clog-entry .clog-current {
    font-size: 11px;
    background: #ffd700;
    color: #333;
    padding: 1px 9px;
    border-radius: 10px;
    font-weight: bold;
}
.clog-entry ul {
    margin: 4px 0 0 18px;
}
.clog-entry li {
    font-size: 13px;
    color: #c8d4ee;
    line-height: 1.7;
}

/* ============ 历史记录 ============ */
#history-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: none;
    background: rgba(10, 15, 35, 0.92);
    backdrop-filter: blur(6px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}
#history-overlay.show {
    display: flex;
}
#history-box {
    background: #16213e;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    width: 100%;
    max-width: 720px;
    max-height: 84vh;
    overflow-y: auto;
    padding: 26px 30px;
}
#history-box h2 {
    font-size: 23px;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
#history-box .h-sub {
    font-size: 13px;
    color: #8899bb;
    margin-bottom: 18px;
}
.hist-close {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    border-radius: 10px;
    padding: 6px 14px;
    cursor: pointer;
    font-size: 14px;
    white-space: nowrap;
}
.hist-close:hover {
    background: rgba(255, 255, 255, 0.22);
}
.hist-empty {
    text-align: center;
    color: #8899bb;
    padding: 30px 0;
    font-size: 15px;
}
.hist-game {
    border-left: 3px solid #58a6ff;
    padding: 10px 0 10px 16px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 0 10px 10px 0;
}
.hist-game .hg-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.hist-game .hg-mode {
    font-size: 16px;
    font-weight: bold;
    color: #58a6ff;
}
.hist-game .hg-date {
    font-size: 12px;
    color: #8899bb;
}
.hist-game .hg-score {
    font-size: 18px;
    font-weight: bold;
    color: #4caf50;
    background: rgba(76, 175, 80, 0.12);
    padding: 2px 12px;
    border-radius: 10px;
}
.hist-rounds {
    margin-top: 6px;
}
.hist-rounds .hr {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    border-radius: 8px;
    margin-bottom: 4px;
    background: rgba(255, 255, 255, 0.03);
    font-size: 13px;
    color: #c8d4ee;
    gap: 8px;
    flex-wrap: wrap;
}
.hist-rounds .hr:hover {
    background: rgba(88, 166, 255, 0.08);
}
.hr-round {
    color: #ffd700;
    font-weight: bold;
    font-size: 12px;
    background: rgba(255, 215, 0, 0.12);
    padding: 1px 8px;
    border-radius: 8px;
    white-space: nowrap;
}
.hr-name {
    flex: 1;
    min-width: 100px;
}
.hr-dist {
    color: #8899bb;
    font-size: 12px;
    white-space: nowrap;
}
.hr-score {
    color: #4caf50;
    font-weight: bold;
    font-size: 13px;
    white-space: nowrap;
}
.hr-mly {
    color: #58a6ff;
    font-size: 12px;
    text-decoration: none;
    white-space: nowrap;
    background: rgba(88, 166, 255, 0.1);
    padding: 2px 10px;
    border-radius: 8px;
    transition: background 0.2s;
}
.hr-mly:hover {
    background: rgba(88, 166, 255, 0.25);
}
.hist-delete {
    background: rgba(255, 77, 77, 0.15);
    border: 1px solid rgba(255, 77, 77, 0.3);
    color: #ff4d4d;
    border-radius: 8px;
    padding: 3px 10px;
    cursor: pointer;
    font-size: 12px;
    white-space: nowrap;
    transition: background 0.2s;
}
.hist-delete:hover {
    background: rgba(255, 77, 77, 0.3);
}
#history-box::-webkit-scrollbar {
    width: 6px;
}
#history-box::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 3px;
}

/* ============ 账号面板 ============ */
#account-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: none;
    background: rgba(10, 15, 35, 0.92);
    backdrop-filter: blur(6px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}
#account-overlay.show {
    display: flex;
}
#account-box {
    background: #16213e;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    width: 100%;
    max-width: 400px;
    max-height: 86vh;
    overflow-y: auto;
    padding: 26px 30px;
}
#account-box h2 {
    font-size: 22px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
#account-box h3 {
    font-size: 15px;
    margin: 16px 0 10px;
    color: #58a6ff;
}
#account-box input {
    width: 100%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 10px;
    color: #e6edf3;
    padding: 10px 14px;
    margin-bottom: 10px;
    font-size: 14px;
}
#account-box input:focus {
    outline: none;
    border-color: #58a6ff;
}
#account-box input::placeholder {
    color: #7d8590;
}
.acc-name {
    font-size: 17px;
    font-weight: bold;
    color: #e6edf3;
    margin-bottom: 4px;
}
.acc-email {
    font-size: 13px;
    color: #8899bb;
    margin-bottom: 8px;
}
.acc-stats {
    font-size: 13px;
    color: #4caf50;
    background: rgba(76, 175, 80, 0.12);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 10px;
    padding: 8px 12px;
}
.acc-bind-hint {
    font-size: 12px;
    color: #ffd700;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 8px;
    padding: 6px 10px;
    margin-bottom: 10px;
}
.acc-code-row {
    display: flex;
    gap: 8px;
}
.acc-code-row input {
    flex: 1;
    margin-bottom: 10px;
}
.acc-code-btn {
    background: rgba(52, 152, 219, 0.2);
    border: 1px solid #3498db;
    color: #fff;
    border-radius: 10px;
    padding: 0 14px;
    cursor: pointer;
    font-size: 13px;
    white-space: nowrap;
    margin-bottom: 10px;
}
.acc-code-btn:hover {
    background: rgba(52, 152, 219, 0.45);
}
.acc-submit {
    width: 100%;
    padding: 11px 0;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s;
}
.acc-submit:hover {
    transform: translateY(-1px);
}
.acc-guest {
    margin-top: 14px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: none;
    font-weight: normal;
}
.acc-guest:hover {
    background: rgba(255, 255, 255, 0.14);
}
.oauth-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 14px 0 10px;
    color: #8a93a3;
    font-size: 12px;
}
.oauth-divider::before,
.oauth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.12);
}
.oauth-btn {
    width: 100%;
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 12px;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s;
}
.oauth-btn:hover {
    background: rgba(255, 255, 255, 0.14);
}
.acc-logout {
    width: 100%;
    margin-top: 16px;
    padding: 10px 0;
    background: rgba(255, 77, 77, 0.15);
    border: 1px solid rgba(255, 77, 77, 0.35);
    border-radius: 12px;
    color: #ff6b6b;
    font-size: 14px;
    cursor: pointer;
}
.acc-logout:hover {
    background: rgba(255, 77, 77, 0.3);
}

/* ============ 成就与称号（账号面板） ============ */
#account-achievements {
    margin-top: 12px;
}
.ach-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}
.ach-item {
    font-size: 20px;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.35);
    border-radius: 10px;
    cursor: default;
}
.ach-titles {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}
.ach-title-btn {
    padding: 4px 10px;
    font-size: 12px;
    background: rgba(64, 158, 255, 0.12);
    border: 1px solid rgba(64, 158, 255, 0.4);
    border-radius: 999px;
    color: #9ecbff;
    cursor: pointer;
}
.ach-title-btn:hover {
    background: rgba(64, 158, 255, 0.28);
}
.ach-title-btn.disabled {
    opacity: 0.35;
    cursor: not-allowed;
    border-color: rgba(125, 133, 144, 0.3);
    color: #7d8590;
}

/* ============ 区域选择 ============ */
#region-screen {
    position: fixed;
    inset: 0;
    z-index: 5100;
    display: none;
    background: rgba(10, 15, 35, 0.96);
    backdrop-filter: blur(6px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
#region-screen.show {
    display: flex;
}
#region-screen h2 {
    margin-bottom: 24px;
    font-size: 26px;
}
.region-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 14px;
    width: 100%;
    max-width: 700px;
}
.region-card {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    padding: 20px 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}
.region-card:hover {
    background: rgba(52, 152, 219, 0.25);
    border-color: #3498db;
    transform: translateY(-3px);
}
.region-card .icon {
    font-size: 30px;
    margin-bottom: 8px;
}
.region-card .rcount {
    font-size: 12px;
    color: #4caf50;
    margin-top: 6px;
    font-weight: bold;
}
.back-btn {
    margin-top: 26px;
    padding: 10px 30px;
    background: transparent;
    color: #99a8c7;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
}
.back-btn:hover {
    color: #fff;
    border-color: #fff;
}

/* ============ 游戏区 ============ */
#game-container {
    display: none;
    width: 100%;
    height: 100%;
}
#game-container.show {
    display: flex;
}
#panorama-area {
    flex: 1;
    position: relative;
    background: #333;
}
#panorama-view {
    width: 100%;
    height: 100%;
}

#panorama-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #2a2a35;
    color: white;
    text-align: center;
    z-index: 10;
}
#panorama-loading .spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top: 5px solid #4caf50;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

#panorama-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 20px;
    z-index: 11;
}
#panorama-fallback button {
    margin-top: 16px;
    padding: 10px 26px;
    border: none;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    font-weight: bold;
    cursor: pointer;
}
#panorama-fallback .err-export-btn {
    margin-top: 8px;
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.5);
}
#panorama-fallback .err-export-btn:hover {
    background: rgba(255, 255, 255, 0.4);
}
/* 错误报告弹窗 */
#err-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}
#err-overlay.show {
    display: flex;
}
#err-box {
    background: #fff;
    border-radius: 16px;
    padding: 24px 28px;
    width: 100%;
    max-width: 640px;
    max-height: 85vh;
    overflow-y: auto;
    color: #333;
}
#err-box h3 {
    margin: 0 0 12px;
    font-size: 20px;
}
#err-box textarea {
    width: 100%;
    height: 300px;
    font-size: 12px;
    font-family: Consolas, Monaco, monospace;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 10px;
    box-sizing: border-box;
    background: #f8f9fb;
    color: #222;
    resize: vertical;
}
#err-box .err-actions {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
}
#err-box .err-actions button {
    flex: 1;
    min-width: 120px;
    padding: 10px 0;
    border: none;
    border-radius: 10px;
    font-weight: bold;
    cursor: pointer;
}
#err-box .btn-download {
    background: #3498db;
    color: #fff;
}
#err-box .btn-copy {
    background: #2ecc71;
    color: #fff;
}
#err-box .btn-close {
    background: #eee;
    color: #333;
}
#err-toast2 {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10001;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 10px 24px;
    border-radius: 20px;
    display: none;
}

/* ============ 图包工坊 ============ */
#packs-overlay,
#packedit-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: none;
    background: rgba(10, 15, 35, 0.92);
    backdrop-filter: blur(6px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}
#packs-overlay.show,
#packedit-overlay.show {
    display: flex;
}
#packs-box,
#packedit-box {
    background: #16213e;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    width: 100%;
    max-width: 520px;
    max-height: 86vh;
    overflow-y: auto;
    padding: 26px 30px;
}
#packs-box h2,
#packedit-box h2 {
    font-size: 22px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.pack-public {
    color: #aab8d0;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}
#packedit-map {
    height: 280px;
    border-radius: 12px;
    margin: 10px 0;
    z-index: 1;
}
#packedit-preview {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
#packedit-preview img {
    width: 100%;
    max-height: 180px;
    object-fit: cover;
    border-radius: 10px;
}
#packedit-preview select {
    background: #0f1a33;
    color: #e6edf3;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 14px;
}
#packedit-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 10px 0;
}

/* ============ 信息栏 ============ */
#info-bar {
    position: fixed;
    top: 15px;
    left: 15px;
    background: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 14px;
    z-index: 1000;
    backdrop-filter: blur(10px);
    display: none;
    min-width: 180px;
}
#info-bar.show {
    display: block;
}
#info-bar .score {
    color: #4caf50;
    font-weight: bold;
    font-size: 18px;
}
#info-bar .round {
    color: #ffd700;
    font-weight: bold;
}
#info-bar .mode-tag {
    display: inline-block;
    font-size: 11px;
    background: #3498db;
    padding: 2px 8px;
    border-radius: 8px;
    margin-bottom: 6px;
}

/* 无限模式等级条 */
#level-panel {
    display: none;
    margin-top: 8px;
}
#level-panel.show {
    display: block;
}
#level-panel .lv {
    color: #ffd700;
    font-weight: bold;
}
#xp-bar-bg {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    margin-top: 5px;
    overflow: hidden;
}
#xp-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #ffd700, #ff9f43);
    border-radius: 4px;
    transition: width 0.8s ease;
}
#diff-stars {
    font-size: 12px;
    color: #ff6b81;
    margin-top: 4px;
}

/* 倒计时 */
#timer-box {
    position: fixed;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.75);
    padding: 10px 26px;
    border-radius: 30px;
    font-size: 24px;
    font-weight: bold;
    color: #4caf50;
    z-index: 1000;
    display: none;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(76, 175, 80, 0.4);
}
#timer-box.show {
    display: block;
}
#timer-box.danger {
    color: #ff4757;
    border-color: #ff4757;
    animation: pulse 0.8s infinite;
}
@keyframes pulse {
    0%,
    100% {
        transform: translateX(-50%) scale(1);
    }
    50% {
        transform: translateX(-50%) scale(1.08);
    }
}

/* 退出按钮 */
#quit-btn {
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 1000;
    display: none;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.6);
    color: #ccc;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
}
#quit-btn.show {
    display: block;
}
#quit-btn:hover {
    color: #fff;
    border-color: #ff4757;
    background: rgba(255, 71, 87, 0.3);
}

/* ============ 小地图 ============ */
#minimap-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 320px;
    height: 240px;
    border: 3px solid #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
    z-index: 1000;
    display: none;
}
#minimap-container.show {
    display: block;
}
#minimap-container.enlarged {
    width: 60vw;
    height: 70vh;
    bottom: 50px;
    right: 50px;
}
#guess-map {
    width: 100%;
    height: 100%;
    z-index: 1;
}
#map-toggle-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 18px;
    cursor: pointer;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
}

#submit-btn {
    position: fixed;
    bottom: 270px;
    right: 20px;
    padding: 14px 32px;
    background: linear-gradient(135deg, #4caf50, #45a049);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
    display: none;
}
#submit-btn.show {
    display: block;
}
#submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.6);
}
#submit-btn:disabled {
    background: #999;
    cursor: not-allowed;
    box-shadow: none;
}

/* 移动端地图呼出按钮（桌面端隐藏） */
#mobile-map-btn {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 1002;
    padding: 12px 20px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: #fff;
    border: none;
    border-radius: 25px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
    transition: all 0.25s ease;
}
#mobile-map-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.6);
}
#mobile-map-btn:active {
    transform: translateY(0);
}

/* ============ 结果弹窗 ============ */
#result-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
    animation: fadeIn 0.4s ease-out;
}
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}
#result-overlay.show {
    display: flex;
}
#result-box {
    background: white;
    border-radius: 16px;
    padding: 36px 40px;
    text-align: center;
    max-width: 480px;
    width: 92%;
    max-height: 88vh;
    overflow-y: auto;
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    color: #333;
}
@keyframes popIn {
    from {
        transform: scale(0.8) translateY(20px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}
#result-box h2 {
    color: #333;
    margin-bottom: 16px;
    font-size: 22px;
}
#result-box .distance {
    font-size: 34px;
    font-weight: bold;
    color: #e74c3c;
    margin: 8px 0;
}
#result-box .score-gained {
    font-size: 26px;
    color: #4caf50;
    margin: 8px 0;
    font-weight: bold;
}
#result-box .location-name {
    font-size: 15px;
    color: #666;
    margin-bottom: 10px;
}
#result-box .xp-gained {
    font-size: 15px;
    color: #ff9f43;
    font-weight: bold;
    margin-bottom: 6px;
    display: none;
}

/* 得分进度条动画 */
#score-bar-bg {
    width: 100%;
    height: 12px;
    background: #eee;
    border-radius: 6px;
    margin: 14px 0 20px;
    overflow: hidden;
}
#score-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #4caf50, #8bc34a);
    border-radius: 6px;
    transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.result-btns {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}
.result-btns button {
    padding: 12px 26px;
    border: none;
    border-radius: 25px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: bold;
}
#next-btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}
#next-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.5);
}
#share-btn {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
    color: white;
    display: none;
}
#share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(155, 89, 182, 0.5);
}
#home-btn2 {
    background: #eee;
    color: #555;
    display: none;
}

/* 总结回合明细 */
#round-summary {
    display: none;
    text-align: left;
    margin: 14px 0;
    max-height: 180px;
    overflow-y: auto;
    border: 1px solid #eee;
    border-radius: 10px;
}
#round-summary .row {
    display: flex;
    justify-content: space-between;
    padding: 8px 14px;
    font-size: 13px;
    border-bottom: 1px solid #f2f2f2;
    color: #555;
}
#round-summary .row:last-child {
    border-bottom: none;
}
#round-summary .row .pts {
    color: #4caf50;
    font-weight: bold;
}
.new-record {
    display: none;
    color: #fff;
    background: linear-gradient(90deg, #ff9f43, #ffd700);
    padding: 6px 16px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 12px;
    animation: pulse2 1s infinite;
}
@keyframes pulse2 {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.06);
    }
}

/* 升级提示 */
#levelup-toast {
    position: fixed;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: linear-gradient(135deg, #ffd700, #ff9f43);
    color: #5a3c00;
    padding: 20px 44px;
    border-radius: 20px;
    font-size: 26px;
    font-weight: bold;
    z-index: 10001;
    box-shadow: 0 10px 40px rgba(255, 200, 0, 0.5);
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
#levelup-toast.show {
    transform: translate(-50%, -50%) scale(1);
}

#hint-text {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: #ffd700;
    padding: 15px 25px;
    border-radius: 10px;
    font-size: 16px;
    z-index: 999;
    display: none;
    pointer-events: none;
}
#toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    padding: 10px 24px;
    border-radius: 20px;
    font-size: 14px;
    z-index: 10002;
    display: none;
}

/* ============ 响应式（移动端） ============ */
@media (max-width: 768px) {
    #home-screen h1 {
        font-size: 30px;
    }
    /* 移动端：默认隐藏小地图，由 🗺️ 按钮呼出 */
    #minimap-container,
    #minimap-container.show {
        display: none !important;
    }
    #minimap-container.mobile-open,
    #minimap-container.mobile-open.show {
        display: block !important;
        width: 92vw;
        height: 50vh;
        bottom: 80px;
        right: 4vw;
        left: auto;
        z-index: 1500;
        border-width: 3px;
    }
    #minimap-container.enlarged {
        width: 94vw;
        height: 55vh;
        bottom: 12px;
        right: 3vw;
    }
    #map-toggle-btn {
        display: none;
    } /* 旧放大按钮移动端隐藏 */
    #mobile-map-btn {
        display: block;
    } /* 呼出/收起按钮 */
    #submit-btn {
        bottom: 20px;
        right: 20px;
        padding: 12px 22px;
        font-size: 14px;
    }
    #info-bar {
        top: 10px;
        left: 10px;
        padding: 8px 12px;
        font-size: 12px;
        min-width: 140px;
    }
    #info-bar .score {
        font-size: 15px;
    }
    #timer-box {
        top: auto;
        bottom: 12px;
        left: 12px;
        transform: none;
        font-size: 18px;
        padding: 8px 18px;
    }
    #timer-box.danger {
        animation: none;
    }
    #quit-btn {
        top: 10px;
        right: 10px;
        font-size: 12px;
    }
    #result-box {
        padding: 24px 20px;
    }
    #result-box .distance {
        font-size: 26px;
    }
}
/* 手机横屏：视口高度受限即视为移动端（无法仅凭宽度识别横屏手机），
           地图同样按钮化，避免完整地图占满屏幕遮挡其他内容 */
@media (orientation: landscape) and (max-height: 500px) {
    #minimap-container,
    #minimap-container.show {
        display: none !important;
    }
    #minimap-container.mobile-open,
    #minimap-container.mobile-open.show {
        display: block !important;
        width: 55vw;
        height: 78vh;
        bottom: 12px;
        right: 12px;
        left: auto;
        z-index: 1500;
        border-width: 3px;
    }
    #minimap-container.enlarged {
        width: 60vw;
        height: 82vh;
        bottom: 12px;
        right: 12px;
    }
    #map-toggle-btn {
        display: none;
    }
    #mobile-map-btn {
        display: block;
        bottom: 18px;
        left: 18px;
        padding: 10px 18px;
        font-size: 14px;
    }
    #submit-btn {
        bottom: 18px;
        right: 18px;
        padding: 10px 20px;
        font-size: 13px;
    }
    #timer-box {
        bottom: 14px;
        left: 14px;
        font-size: 16px;
        padding: 6px 16px;
    }
}

/* ============ 排行榜 & 每日挑战面板 ============ */
#leaderboard-overlay,
#daily-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: none;
    background: rgba(10, 15, 35, 0.92);
    backdrop-filter: blur(6px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}
#leaderboard-overlay.show,
#daily-overlay.show {
    display: flex;
}
#leaderboard-box,
#daily-box {
    background: #16213e;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    width: 100%;
    max-width: 440px;
    max-height: 86vh;
    overflow-y: auto;
    padding: 26px 30px;
}
#leaderboard-box h2,
#daily-box h2 {
    font-size: 22px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.lb-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}
.lb-tab {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 10px;
    color: #e6edf3;
    padding: 7px 14px;
    cursor: pointer;
    font-size: 13px;
}
.lb-tab.active {
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-color: #3498db;
}
.lb-modes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}
.lb-sub {
    font-size: 12px;
    color: #8899bb;
    margin-bottom: 10px;
}
.lb-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.lb-row {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 8px 12px;
    font-size: 14px;
}
.lb-row.me {
    background: rgba(52, 152, 219, 0.18);
    border-color: #3498db;
}
.lb-rank {
    width: 28px;
    color: #ffd700;
    font-weight: bold;
    text-align: center;
}
.lb-name {
    flex: 1;
    color: #e6edf3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.lb-score {
    color: #4caf50;
    font-weight: bold;
}
.lb-empty {
    text-align: center;
    color: #8899bb;
    padding: 20px 0;
    font-size: 14px;
}
.lb-best {
    font-size: 13px;
    color: #ffd700;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 10px;
    padding: 8px 12px;
    margin-top: 10px;
}
.lb-played {
    font-size: 13px;
    color: #4caf50;
    background: rgba(76, 175, 80, 0.12);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 10px;
    padding: 8px 12px;
    margin-top: 10px;
}
.lb-start {
    width: 100%;
    margin-top: 14px;
    padding: 12px 0;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 15px;
    cursor: pointer;
}
.lb-start:hover {
    filter: brightness(1.1);
}

/* ============ 多人对战面板 ============ */
#mp-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: none;
    background: rgba(10, 15, 35, 0.92);
    backdrop-filter: blur(6px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}
#mp-overlay.show {
    display: flex;
}
#mp-box {
    background: #16213e;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    width: 100%;
    max-width: 400px;
    max-height: 86vh;
    overflow-y: auto;
    padding: 26px 30px;
}
#mp-box h2 {
    font-size: 22px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.mp-status {
    font-size: 14px;
    color: #e6edf3;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 10px;
    padding: 10px 14px;
    margin: 12px 0;
    text-align: center;
}
.mp-btns {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
#panorama-view img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ============ ���ܲ�ȫ������ / ˽�� / �ط� / ���� / ͼ�� / �հ� / ���� / ��֪ʶ�� ============ */
.mp-private {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}
.mp-room-code-box {
    font-size: 14px;
    color: var(--text, #e8eef7);
    background: rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 8px 12px;
}
.mp-room-code-box b {
    font-size: 20px;
    letter-spacing: 4px;
    color: #ffd166;
}
.acc-section {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.acc-section h3 {
    font-size: 15px;
    margin: 0 0 8px;
}
.friend-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding: 6px 2px;
    font-size: 14px;
}
.fr-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.fr-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}
.fact-line {
    margin-top: 6px;
    font-size: 13px;
    line-height: 1.5;
    color: #ffd166;
    background: rgba(255, 209, 102, 0.08);
    border-radius: 8px;
    padding: 8px 10px;
}
.daily-lb {
    margin-top: 12px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}
#replay-box {
    width: min(680px, 92vw);
    max-height: 88vh;
    overflow-y: auto;
}
.replay-sub {
    font-size: 13px;
    color: #aab7cc;
    margin: 8px 0;
}
#replay-map {
    height: 320px;
    width: 100%;
    border-radius: 10px;
    overflow: hidden;
    background: #0a1428;
    margin-bottom: 10px;
}
.hist-replay-item {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 7px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
}
.hist-replay-item:hover {
    background: rgba(255, 255, 255, 0.05);
}
.rp-blue-dot {
    background: #2f81ff;
    border: 2px solid #fff;
    border-radius: 50%;
    width: 12px;
    height: 12px;
}
#sponsor-box {
    width: min(420px, 90vw);
    max-height: 80vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
}
#sponsor-link {
    text-align: center;
    display: block;
}