/* ============================================================
   蘑菇星球放置 · Mushroom Planet Idle  ──  UI 风格
   设定：长满蘑菇的星球，玩家是降落此地的菌农殖民者。
   设计语言：暗色星夜 + 孢子紫 / 苔藓青 / 朽木金高光，三栏卡片布局
   ============================================================ */

/* ---------- 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    /* 基色：腐殖森林 */
    --bg-deep:    #0f0d0a;
    --bg-base:    #1a1611;
    --bg-panel:   #221d17;
    --bg-card:    #2c2620;
    --bg-card-2:  #34281e;
    --bg-elev:    #3b3026;

    --border:        #3a2f24;
    --border-strong: #5a4836;
    --border-glow:   #7a5d3a;

    --text:      #ece1c8;
    --text-soft: #c9b894;
    --text-dim:  #8a7a5e;
    --text-mute: #5b4f3c;

    /* 强调：朽木金 */
    --accent:        #d6a35c;
    --accent-hi:     #f0c889;
    --accent-shadow: rgba(214, 163, 92, 0.22);

    /* 三采集分类色 */
    --spore:    #c89cdb;   /* 孢子紫 */
    --mycelium: #8fc8a4;   /* 菌丝青苔 */
    --log:      #c8895a;   /* 朽木褐 */

    /* 状态色 */
    --good:  #94c065;
    --warn:  #d8853a;
    --bad:   #c45a4a;
    --info:  #7da9c0;

    /* 字体 */
    --font-ui: -apple-system, BlinkMacSystemFont, "PingFang SC",
               "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;

    /* 圆角与阴影 */
    --radius-s: 4px;
    --radius:   8px;
    --radius-l: 14px;
    --shadow-sm: 0 2px 6px rgba(0,0,0,0.35);
    --shadow:    0 4px 16px rgba(0,0,0,0.45);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.55);
}

html, body {
    font-family: var(--font-ui);
    color: var(--text);
    background: var(--bg-deep);
    min-height: 100vh;
    overflow-x: hidden;
    font-size: 14px;
}

body {
    background:
        radial-gradient(circle at 15% 10%, rgba(143, 200, 164, 0.06), transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(200, 156, 219, 0.05), transparent 45%),
        linear-gradient(180deg, var(--bg-base) 0%, var(--bg-deep) 100%);
    background-attachment: fixed;
}

button { font-family: inherit; }
input  { font-family: inherit; }

.hidden { display: none !important; }
.screen { min-height: 100vh; }

/* ============================================================
   认证屏
   ============================================================ */
.auth-screen {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

/* 飘浮孢子动画背景 */
.spore-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(2px 2px at 20% 30%, rgba(200,156,219,0.55), transparent 50%),
        radial-gradient(1.5px 1.5px at 60% 70%, rgba(143,200,164,0.45), transparent 50%),
        radial-gradient(2px 2px at 80% 20%, rgba(214,163,92,0.45), transparent 50%),
        radial-gradient(1.5px 1.5px at 35% 80%, rgba(200,156,219,0.35), transparent 50%),
        radial-gradient(2px 2px at 90% 55%, rgba(143,200,164,0.30), transparent 50%);
    animation: drift 18s linear infinite;
    opacity: 0.7;
}
@keyframes drift {
    from { transform: translateY(0); }
    to   { transform: translateY(-30px); }
}

.auth-card {
    position: relative;
    width: 380px;
    max-width: 100%;
    background: linear-gradient(160deg, var(--bg-panel), var(--bg-base));
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-l);
    padding: 36px 32px 28px;
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.04);
}

.auth-brand {
    text-align: center;
    margin-bottom: 24px;
}
.brand-mark {
    display: inline-block;
    font-size: 48px;
    filter: drop-shadow(0 4px 12px var(--accent-shadow));
    animation: bob 4s ease-in-out infinite;
}
.brand-mark.small { font-size: 22px; animation: none; filter: none; }
@keyframes bob {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50%      { transform: translateY(-4px) rotate(2deg); }
}
.auth-brand h1 {
    margin-top: 6px;
    font-size: 28px;
    color: var(--accent);
    letter-spacing: 4px;
    font-weight: 600;
}
.tagline {
    margin-top: 6px;
    color: var(--text-dim);
    font-size: 12px;
    letter-spacing: 1px;
}

.auth-tabs {
    display: flex;
    gap: 6px;
    background: var(--bg-deep);
    padding: 4px;
    border-radius: var(--radius);
    margin-bottom: 18px;
    border: 1px solid var(--border);
}
.auth-tab {
    flex: 1;
    background: transparent;
    color: var(--text-dim);
    border: none;
    padding: 9px;
    font-size: 13px;
    border-radius: var(--radius-s);
    cursor: pointer;
    transition: all 0.18s ease;
    letter-spacing: 2px;
}
.auth-tab.active {
    background: linear-gradient(135deg, var(--accent), #b8854a);
    color: #1a1611;
    font-weight: 600;
    box-shadow: 0 2px 8px var(--accent-shadow);
}

#auth-form { display: flex; flex-direction: column; gap: 12px; }
#auth-form label {
    display: flex;
    flex-direction: column;
    gap: 5px;
    color: var(--text-soft);
    font-size: 12px;
    letter-spacing: 1px;
}
#auth-form input {
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-s);
    color: var(--text);
    padding: 10px 12px;
    font-size: 14px;
    transition: border 0.15s ease, box-shadow 0.15s ease;
}
#auth-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-shadow);
}

.auth-error {
    background: rgba(196, 90, 74, 0.12);
    border: 1px solid rgba(196, 90, 74, 0.4);
    color: #e89789;
    padding: 8px 12px;
    border-radius: var(--radius-s);
    font-size: 12px;
}

.btn-primary {
    margin-top: 4px;
    background: linear-gradient(135deg, var(--accent), #a87a3f);
    color: #1a1611;
    border: none;
    border-radius: var(--radius-s);
    padding: 12px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: 0 4px 12px var(--accent-shadow);
}
.btn-primary:hover     { filter: brightness(1.1); transform: translateY(-1px); }
.btn-primary:active    { transform: translateY(0); }
.btn-primary:disabled  { opacity: 0.5; cursor: not-allowed; transform: none; }

.hint {
    margin-top: 14px;
    text-align: center;
    color: var(--text-mute);
    font-size: 11px;
    letter-spacing: 0.5px;
}

/* ============================================================
   游戏屏：顶栏
   ============================================================ */
#game-screen { display: flex; flex-direction: column; }

.topbar {
    background: linear-gradient(180deg, var(--bg-panel), var(--bg-base));
    border-bottom: 1px solid var(--border-strong);
    padding: 10px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 8px;
}
.brand-title {
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 3px;
    font-size: 16px;
}
.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.player-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px 14px 4px 5px;
    font-size: 13px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    color: var(--text);
    font-family: inherit;
}
.player-pill:hover {
    border-color: var(--accent);
    background: var(--bg-card-2);
}
.player-pill.open {
    border-color: var(--accent);
    background: var(--bg-card-2);
}
.player-username {
    color: var(--text-mute);
    font-size: 11px;
    letter-spacing: 0.5px;
}
.player-caret {
    color: var(--text-dim);
    font-size: 10px;
    transition: transform 0.18s;
}
.player-pill.open .player-caret {
    transform: rotate(-180deg);
}

/* ── 用户下拉菜单 ── */
.user-menu {
    position: relative;
}
.user-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    min-width: 180px;
    background: linear-gradient(180deg, var(--bg-panel), var(--bg-base));
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    padding: 4px;
    box-shadow: var(--shadow);
    z-index: 50;
    animation: dropdownOpen 0.15s ease-out;
}
@keyframes dropdownOpen {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    background: transparent;
    color: var(--text);
    border: none;
    padding: 8px 12px;
    border-radius: var(--radius-s);
    cursor: pointer;
    font-size: 13px;
    text-align: left;
    transition: background 0.12s, color 0.12s;
    font-family: inherit;
    letter-spacing: 0.5px;
}
.dropdown-item:hover {
    background: var(--bg-card-2);
    color: var(--accent-hi);
}
.dropdown-item.dropdown-danger:hover {
    background: rgba(196, 90, 74, 0.18);
    color: #e89789;
}
.dropdown-icon {
    font-size: 15px;
    width: 18px;
    text-align: center;
}
.dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}
.player-avatar {
    display: inline-flex;
    width: 22px; height: 22px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), #7a4d20);
    font-size: 13px;
}

.btn-ghost {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--border-strong);
    padding: 5px 12px;
    border-radius: var(--radius-s);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
}
.btn-ghost:hover {
    color: var(--text);
    border-color: var(--accent);
}

/* ============================================================
   主体三栏
   ============================================================ */
.main-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr) 300px;
    gap: 14px;
    padding: 14px;
    max-width: 1440px;
    margin: 0 auto;
    width: 100%;
}

.panel {
    background: linear-gradient(180deg, var(--bg-panel), var(--bg-base));
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-l);
    padding: 16px;
    overflow-y: auto;
    max-height: calc(100vh - 88px);
    box-shadow: var(--shadow);
    /* 顶部苔色高光 */
    position: relative;
}
.panel::before {
    content: "";
    position: absolute;
    top: 0; left: 12px; right: 12px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
}

.panel-title {
    font-size: 13px;
    color: var(--accent-hi);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--border);
    font-weight: 500;
}

.empty {
    color: var(--text-dim);
    font-size: 12px;
    text-align: center;
    padding: 20px 0;
    font-style: italic;
}

/* 滚动条 */
.panel::-webkit-scrollbar         { width: 6px; }
.panel::-webkit-scrollbar-track   { background: transparent; }
.panel::-webkit-scrollbar-thumb   {
    background: var(--border-strong);
    border-radius: 3px;
}
.panel::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ============================================================
   左栏：技能 & 当前活动
   ============================================================ */
.skill-list { display: flex; flex-direction: column; gap: 8px; }

.skill-row {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-s);
    padding: 9px 11px;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}
.skill-row:hover {
    background: var(--bg-card-2);
    border-color: var(--border-strong);
}
.skill-row:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}
/* 选中态：右侧高亮三角指示 + 微弱底色 */
.skill-row.active {
    background: linear-gradient(90deg, var(--bg-card-2), rgba(214, 163, 92, 0.10));
    border-color: var(--accent);
    box-shadow: inset 0 0 0 1px var(--accent-shadow);
}
.skill-row.active::after {
    content: "▸";
    position: absolute;
    right: -2px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-hi);
    font-size: 14px;
    text-shadow: 0 0 6px var(--accent-shadow);
}
.skill-row { position: relative; }

.skill-row[data-skill="spore_collecting"] { border-left-color: var(--spore);    }
.skill-row[data-skill="mycelium_digging"] { border-left-color: var(--mycelium); }
.skill-row[data-skill="log_harvesting"]   { border-left-color: var(--log);      }

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}
.skill-name {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
}
.skill-level {
    color: var(--accent-hi);
    font-weight: 700;
    font-size: 14px;
    font-variant-numeric: tabular-nums;
}
.exp-bar {
    height: 5px;
    background: var(--bg-deep);
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid #00000060;
}
.exp-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-hi));
    transition: width 0.3s ease;
    box-shadow: 0 0 8px var(--accent-shadow);
}
.exp-text {
    margin-top: 4px;
    font-size: 11px;
    color: var(--text-dim);
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* 当前活动卡片 */
.current-action .active-action {
    background: var(--bg-card-2);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    padding: 14px;
    position: relative;
    overflow: hidden;
}
/* 菌环动画装饰 */
.current-action .active-action::after {
    content: "";
    position: absolute;
    right: -30px; bottom: -30px;
    width: 80px; height: 80px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    opacity: 0.07;
    animation: pulse 4s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { transform: scale(1);   opacity: 0.07; }
    50%      { transform: scale(1.2); opacity: 0.15; }
}

.active-action-name {
    font-weight: 600;
    color: var(--accent-hi);
    font-size: 15px;
    margin-bottom: 4px;
}
.active-action-skill {
    font-size: 11px;
    color: var(--text-dim);
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.progress-bar {
    height: 8px;
    background: var(--bg-deep);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid #00000060;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--mycelium), var(--good));
    transition: width 0.1s linear;
    box-shadow: 0 0 8px rgba(143, 200, 164, 0.3);
}
#stop-action-btn {
    margin-top: 12px;
    width: 100%;
    background: var(--bad);
    color: #fff;
    border: none;
    padding: 7px;
    border-radius: var(--radius-s);
    font-size: 12px;
    cursor: pointer;
    letter-spacing: 2px;
    transition: filter 0.15s;
}
#stop-action-btn:hover { filter: brightness(1.15); }

/* ============ 收获滚动条（嵌入进度条与停止按钮之间） ============ */
/* 容器永远占位，避免首次收获才撑出空间。
   颜色比父卡片 (--bg-card-2) 稍深一档，与边框同色阶融为一体，
   不再像挖出的黑洞。 */
.action-feed {
    margin-top: 8px;
    height: 26px;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 0 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
}
.feed-current {
    display: flex;
    gap: 10px;
    align-items: center;
    width: 100%;
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    /* 0~0.4s 从下方滑入；4.4~5.0s 淡出。每条信息总寿命 5s。 */
    animation:
        feedSlide 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
        feedFade  0.6s 4.4s ease-out forwards;
}
@keyframes feedSlide {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}
@keyframes feedFade {
    from { opacity: 1; }
    to   { opacity: 0; }
}
.feed-gain {
    color: var(--accent-hi);
    font-variant-numeric: tabular-nums;
}
.feed-exp {
    color: var(--good);
    font-variant-numeric: tabular-nums;
}

/* ============================================================
   中栏：任务卡（采集类型由左栏技能行点击切换）
   ============================================================ */
.panel-title {
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.panel-subtitle {
    color: var(--text-soft);
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: none;
    font-weight: 400;
}

.actions-list { display: flex; flex-direction: column; gap: 10px; }

.action-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 14px;
    align-items: center;
    transition: all 0.18s ease;
    position: relative;
    overflow: hidden;
}
.action-card::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--border);
    transition: background 0.18s;
}
.action-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-card-2);
}
.action-card:hover::before { background: var(--accent); }

.action-card.locked {
    opacity: 0.55;
    background: var(--bg-base);
}
.action-card.locked::before { background: var(--text-mute); }

.action-card.active {
    border-color: var(--accent);
    background: linear-gradient(90deg, var(--bg-card), rgba(214, 163, 92, 0.12));
    box-shadow: 0 0 0 1px var(--accent-shadow), inset 0 0 20px rgba(214, 163, 92, 0.05);
}
.action-card.active::before { background: var(--accent-hi); }

.action-info { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.action-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--text);
}
.action-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 11px;
    color: var(--text-dim);
}
.action-meta span {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 7px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: 999px;
    white-space: nowrap;
}
.action-meta .meta-level { color: var(--accent-hi); }
.action-meta .meta-xp    { color: var(--good); }
.action-meta .meta-time  { color: var(--info); }

.action-drops {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 11px;
    color: var(--text-soft);
}
.drop-pill {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 7px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-s);
}
.drop-pill .drop-prob { color: var(--text-mute); font-size: 10px; }

.action-card button {
    background: linear-gradient(135deg, var(--accent), #b8854a);
    color: #1a1611;
    border: none;
    padding: 9px 18px;
    border-radius: var(--radius-s);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    letter-spacing: 2px;
    font-size: 13px;
    min-width: 84px;
}
.action-card button:hover { filter: brightness(1.12); }
.action-card button:disabled {
    background: var(--border-strong);
    color: var(--text-mute);
    cursor: not-allowed;
    filter: none;
}
.action-card.active button {
    background: var(--mycelium);
    color: #14201a;
    cursor: default;
    pointer-events: none;
}

/* ============================================================
   右栏：背包（方块网格）
   ============================================================ */
.inv-category-title {
    color: var(--text-dim);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 14px 0 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.inv-category-title:first-child { margin-top: 0; }
.inv-category-title::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border), transparent);
}

.inventory-list { display: flex; flex-direction: column; }

/* 物品方块网格：自动适配宽度，最小 56px 一格 */
.inv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
    gap: 6px;
}

.inv-tile {
    position: relative;
    aspect-ratio: 1 / 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-s);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: default;
    transition: all 0.12s ease;
    overflow: hidden;
}
.inv-tile::before {
    /* 顶部高光线（按品类着色） */
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--border-strong);
}
.inv-tile[data-cat="spore"]::before    { background: var(--spore); }
.inv-tile[data-cat="mycelium"]::before { background: var(--mycelium); }
.inv-tile[data-cat="log"]::before      { background: var(--log); }
.inv-tile:hover {
    border-color: var(--accent);
    background: var(--bg-card-2);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.inv-tile-icon {
    font-size: 22px;
    line-height: 1;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.4));
}
.inv-tile-qty {
    position: absolute;
    right: 3px;
    bottom: 2px;
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-hi);
    font-variant-numeric: tabular-nums;
    background: rgba(15, 13, 10, 0.78);
    padding: 0 4px;
    border-radius: 3px;
    line-height: 14px;
    pointer-events: none;
}

/* ============================================================
   离线收益弹窗
   ============================================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 13, 10, 0.78);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: modalFadeIn 0.25s ease-out;
}
@keyframes modalFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.modal-card {
    background: linear-gradient(160deg, var(--bg-panel), var(--bg-base));
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-l);
    padding: 28px 30px 22px;
    max-width: 460px;
    width: calc(100% - 32px);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.05);
    animation: modalSlideIn 0.32s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(20px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.offline-header {
    text-align: center;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--border);
}
.offline-icon {
    font-size: 36px;
    display: inline-block;
    filter: drop-shadow(0 4px 10px rgba(200, 156, 219, 0.3));
    animation: bob 4s ease-in-out infinite;
}
.offline-card h2 {
    font-size: 20px;
    color: var(--accent);
    margin-top: 4px;
    letter-spacing: 4px;
    font-weight: 600;
}
.offline-subtitle {
    color: var(--text-dim);
    font-size: 12px;
    margin-top: 6px;
    letter-spacing: 1px;
}

.offline-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
}
.offline-stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-s);
    padding: 10px 12px;
    text-align: center;
}
.offline-stat-label {
    display: block;
    color: var(--text-dim);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 4px;
}
.offline-stat-value {
    display: block;
    color: var(--accent-hi);
    font-size: 16px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.offline-section {
    margin-bottom: 16px;
}
.offline-section h4 {
    color: var(--text-dim);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
    font-weight: 500;
}

.offline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
    gap: 6px;
}
.offline-grid-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-mute);
    font-size: 12px;
    padding: 8px 0;
    font-style: italic;
}

.offline-exp {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.offline-exp-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 5px 12px;
    font-size: 13px;
}
.offline-exp-pill .exp-amount {
    color: var(--good);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.offline-exp-empty {
    color: var(--text-mute);
    font-size: 12px;
    font-style: italic;
}

.offline-warn {
    background: rgba(216, 133, 58, 0.10);
    border: 1px solid rgba(216, 133, 58, 0.4);
    color: var(--warn);
    padding: 8px 12px;
    border-radius: var(--radius-s);
    font-size: 12px;
    margin-bottom: 14px;
    line-height: 1.5;
}

.offline-confirm {
    width: 100%;
    padding: 12px;
    letter-spacing: 4px;
}

/* ============================================================
   通用 Modal 头部（关闭按钮）& 帐号/设置弹窗
   ============================================================ */
.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--border);
}
.modal-head h2 {
    font-size: 18px;
    color: var(--accent);
    letter-spacing: 3px;
    font-weight: 600;
}
.modal-close {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--border);
    width: 28px; height: 28px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 12px;
    line-height: 1;
    transition: all 0.15s;
}
.modal-close:hover {
    color: var(--text);
    border-color: var(--accent);
    background: var(--bg-card);
}

.settings-card .modal-body {
    display: flex;
    flex-direction: column;
}
.settings-section h3 {
    color: var(--accent-hi);
    font-size: 13px;
    letter-spacing: 2px;
    margin-bottom: 6px;
    font-weight: 600;
}
.settings-hint {
    color: var(--text-dim);
    font-size: 12px;
    margin-bottom: 10px;
    line-height: 1.5;
}
.settings-hint code {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 1px 6px;
    color: var(--accent-hi);
    font-family: monospace;
    font-size: 11px;
}
.settings-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.settings-form label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: var(--text-soft);
    font-size: 12px;
    letter-spacing: 1px;
}
.settings-form input[type="text"],
.settings-form input[type="password"] {
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-s);
    color: var(--text);
    padding: 9px 11px;
    font-size: 13px;
    font-family: inherit;
    transition: border 0.15s, box-shadow 0.15s;
}
.settings-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-shadow);
}
.settings-submit {
    margin-top: 4px;
    padding: 9px;
    letter-spacing: 3px;
    align-self: stretch;
}
.settings-feedback {
    margin-top: 8px;
    padding: 7px 10px;
    border-radius: var(--radius-s);
    font-size: 12px;
    line-height: 1.4;
}
.settings-feedback.ok {
    background: rgba(148, 192, 101, 0.10);
    border: 1px solid rgba(148, 192, 101, 0.4);
    color: var(--good);
}
.settings-feedback.err {
    background: rgba(196, 90, 74, 0.12);
    border: 1px solid rgba(196, 90, 74, 0.4);
    color: #e89789;
}
.settings-divider {
    height: 1px;
    background: var(--border);
    margin: 18px 0;
}
.settings-empty {
    color: var(--text-dim);
    font-size: 13px;
    text-align: center;
    padding: 24px 0 8px;
    font-style: italic;
}

/* ============================================================
   Toast
   ============================================================ */
.toast-container {
    position: fixed;
    bottom: 22px;
    right: 22px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    pointer-events: none;
    z-index: 100;
    max-width: 320px;
}
.toast {
    background: var(--bg-panel);
    border: 1px solid var(--border-strong);
    border-left: 3px solid var(--good);
    border-radius: var(--radius-s);
    padding: 9px 13px;
    font-size: 12px;
    color: var(--text);
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease, fadeOut 0.4s ease 2.6s forwards;
}
.toast.exp     { border-left-color: var(--accent); }
.toast.offline { border-left-color: var(--spore); font-weight: 500; }
.toast.error   { border-left-color: var(--bad); }
.toast.levelup { border-left-color: var(--accent-hi); background: linear-gradient(90deg, var(--bg-panel), rgba(214,163,92,0.18)); }

@keyframes slideIn {
    from { transform: translateX(20px); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}
@keyframes fadeOut {
    to { transform: translateX(20px); opacity: 0; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1100px) {
    .main-grid {
        grid-template-columns: 280px minmax(0, 1fr);
    }
    .panel-inventory { grid-column: 1 / -1; max-height: 320px; }
}
@media (max-width: 760px) {
    .main-grid {
        grid-template-columns: 1fr;
        padding: 10px;
    }
    .panel { max-height: none; }
    .panel-skills, .panel-inventory { max-height: 360px; }
    .topbar { padding: 8px 14px; }
    .auth-card { padding: 28px 22px 20px; }
}