.ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none; /* 讓點擊穿透到 canvas */
}

.game-shell-panel {
    position: absolute;
    top: 52px;
    left: 12px;
    z-index: 18;
    width: min(88vw, 360px);
    padding: 14px 14px 12px;
    border-radius: 22px;
    background: rgba(7, 12, 20, 0.76);
    color: #fff;
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
    pointer-events: auto;
}

.game-shell-panel.tutorial-mode {
    width: min(76vw, 280px);
    padding: 11px 12px 10px;
    border-radius: 18px;
    background: rgba(7, 12, 20, 0.58);
    backdrop-filter: blur(10px);
}

.game-shell-panel.collapsed .game-shell-summary,
.game-shell-panel.collapsed .game-shell-body {
    display: none;
}

.game-shell-panel.tutorial-mode .game-shell-summary {
    display: none;
}

.game-shell-panel.tutorial-hidden-card {
    display: none !important;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px) scale(0.98);
    pointer-events: none;
}

.game-shell-panel.tutorial-mode .game-shell-top {
    gap: 8px;
}

.game-shell-panel.tutorial-mode .game-shell-mode {
    padding: 3px 8px;
    font-size: 10px;
}

.game-shell-panel.tutorial-mode .game-shell-title {
    margin: 6px 0 0;
    font-size: 0.92rem;
    line-height: 1.2;
}

.game-shell-panel.tutorial-mode .game-shell-toggle {
    padding: 6px 10px;
    font-size: 12px;
}

.game-shell-panel.tutorial-mode .game-shell-label {
    font-size: 10px;
}

.game-shell-panel.tutorial-mode .game-shell-objective {
    margin-top: 4px;
    font-size: 12px;
    line-height: 1.45;
}

.game-shell-panel.tutorial-mode #gameShellStartBtn {
    min-height: 42px;
    font-size: 14px;
    padding: 10px 14px;
}

.game-shell-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.game-shell-mode {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,0.08);
    color: #9ed8ff;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.game-shell-title {
    margin: 8px 0 0;
    font-size: 1.1rem;
    line-height: 1.35;
}

.game-shell-toggle {
    border: none;
    border-radius: 999px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    padding: 8px 12px;
    font-weight: 700;
    cursor: pointer;
}

.game-shell-summary {
    margin: 10px 0 0;
    font-size: 12px;
    line-height: 1.6;
    color: rgba(255,255,255,0.8);
}

.game-shell-body {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}

.game-shell-label {
    font-size: 11px;
    color: rgba(255,255,255,0.68);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.game-shell-objective,
.game-shell-progress {
    margin-top: 6px;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
}

.game-shell-entries {
    margin-top: 8px;
    display: grid;
    gap: 8px;
    max-height: 190px;
    overflow-y: auto;
}

.game-shell-entry {
    padding: 9px 10px;
    border-radius: 12px;
    background: rgba(255,255,255,0.07);
    border: 1px solid transparent;
    font-size: 12px;
    line-height: 1.5;
    color: inherit;
    text-align: left;
    cursor: pointer;
}

.game-shell-entry strong {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
}

.game-shell-entry.active {
    border: 1px solid rgba(255, 209, 102, 0.55);
    background: rgba(255, 209, 102, 0.14);
}

.game-shell-entry.completed {
    border: 1px solid rgba(72, 187, 120, 0.35);
    background: rgba(72, 187, 120, 0.1);
}

.game-shell-entry.muted {
    color: rgba(255,255,255,0.7);
}

body.formal-story-clean .game-hud,
body.formal-story-clean .game-shell-panel {
    display: none !important;
}

.header {
    position: absolute;
    top: 20px;
    left: 0;
    width: 100%;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.feature-dock {
    position: absolute;
    top: 20px;
    left: 14px;
    z-index: 30;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    pointer-events: auto;
}

.feature-dock-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-dock-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dock-panel.hidden,
.feature-drawer-panel.hidden,
.feature-dock-menu.hidden {
    display: none !important;
}

.feature-dock-toggle {
    background: rgba(0, 0, 0, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.top-controls {
    position: absolute;
    top: 64px;
    left: 50%;
    transform: translateX(-50%);
    width: min(76vw, 360px);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 20;
    pointer-events: none;
}

.status-pill {
    background: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    backdrop-filter: blur(10px);
}

.game-hud {
    position: absolute;
    top: 62px;
    right: 14px;
    z-index: 24;
    display: grid;
    gap: 8px;
    justify-items: end;
    pointer-events: none;
}

.hud-chip {
    min-width: 108px;
    padding: 8px 12px;
    border-radius: 16px;
    background: rgba(6, 16, 30, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(14px);
    color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
}

.hud-label {
    display: block;
    margin-bottom: 4px;
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.62);
}

.hud-chip strong {
    display: block;
    font-size: 14px;
    line-height: 1.35;
}

.hud-panel-title {
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.62);
}

.hud-panel-summary {
    font-size: 13px;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.92);
}

.hud-panel-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.hud-panel-stages {
    display: grid;
    gap: 8px;
}

.hud-stage {
    padding: 8px 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid transparent;
    font-size: 12px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
}

.hud-stage.current {
    border-color: rgba(255, 209, 102, 0.55);
    background: rgba(255, 209, 102, 0.14);
}

.hud-stage.completed {
    border-color: rgba(34, 197, 94, 0.45);
    background: rgba(34, 197, 94, 0.16);
}

.hud-stage.muted {
    color: rgba(255, 255, 255, 0.65);
}

.hud-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 12px;
    color: #fff;
}

.hud-badge.muted {
    color: rgba(255, 255, 255, 0.65);
}