/* ==================== 末日公路房车求生 ====================
   沿用平台暗色基底 + 金色主操作 VI（见 UI.md / main.css）。
   群系氛围色作为变化层。第一人称 3D 内舱 + 窗外滚动公路。
   ==================================================== */

/* ===== 驾驶页：全屏覆盖（覆盖 particleCanvas） ===== */
#roadPlayPage {
    position: fixed !important;
    inset: 0 !important;
    z-index: 100 !important;
    background: #05060a;
    overflow: hidden;
}
#roadCanvasWrap {
    position: absolute;
    inset: 0;
}
#roadCanvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

/* ===== 欢迎页 ===== */
#roadWelcomePage { display: none; }
#roadWelcomePage.active { display: flex; }
.road-welcome {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 48px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}
.road-welcome-hero { text-align: center; }
.road-logo {
    font-size: 56px;
    color: var(--gold, #c9a961);
    margin-bottom: 12px;
    text-shadow: 0 0 24px rgba(201,169,97,.4);
}
.road-title {
    font-size: 36px;
    color: #e8e0c8;
    letter-spacing: 8px;
    margin: 0 0 8px;
    font-weight: 600;
}
.road-subtitle {
    font-size: 13px;
    color: var(--text-dim, #8a8a9a);
    letter-spacing: 3px;
}
.road-welcome-status {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.road-stat-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: rgba(20,22,40,.7);
    border: 1px solid var(--border-gold, rgba(201,169,97,.3));
    border-radius: 20px;
    font-size: 13px;
    color: #d8d0c0;
}
.road-stat-chip i { color: var(--gold, #c9a961); }

.road-start-btn {
    padding: 14px 48px;
    font-size: 16px;
    letter-spacing: 4px;
    color: #1a1a2e;
    background: linear-gradient(135deg, var(--gold, #c9a961), #b8962e);
    border: none;
    border-radius: 28px;
    cursor: pointer;
    transition: transform .15s, box-shadow .15s;
    box-shadow: 0 4px 18px rgba(201,169,97,.3);
}
.road-start-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(201,169,97,.45); }

.road-menu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    width: 100%;
    max-width: 520px;
}
.road-menu-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 18px 8px;
    background: rgba(20,22,40,.6);
    border: 1px solid rgba(201,169,97,.2);
    border-radius: 10px;
    color: #d8d0c0;
    cursor: pointer;
    transition: border-color .15s, background .15s;
    font-size: 13px;
}
.road-menu-btn:hover { border-color: var(--gold, #c9a961); background: rgba(201,169,97,.08); }
.road-menu-btn i { font-size: 22px; color: var(--gold, #c9a961); }
@media (max-width: 480px) {
    .road-menu-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== HUD ===== */
.road-hud {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 10;
}
.road-hud > * { pointer-events: auto; }

.road-hud-top {
    position: absolute;
    top: 16px;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}
.road-back-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(10,12,24,.7);
    border: 1px solid rgba(201,169,97,.3);
    color: #d8d0c0;
    cursor: pointer;
    font-size: 16px;
    backdrop-filter: blur(6px);
}
.road-back-btn:hover { background: rgba(201,169,97,.15); }
.road-biome-bar {
    padding: 8px 24px;
    background: rgba(10,12,24,.7);
    border: 1px solid rgba(201,169,97,.3);
    border-radius: 20px;
    color: var(--gold, #c9a961);
    font-size: 14px;
    letter-spacing: 2px;
    backdrop-filter: blur(6px);
}
.road-clock {
    padding: 8px 16px;
    background: rgba(10,12,24,.7);
    border: 1px solid rgba(201,169,97,.2);
    border-radius: 20px;
    color: #d8d0c0;
    font-size: 13px;
    font-family: monospace;
    backdrop-filter: blur(6px);
}

/* 左侧仪表（油/食/水/血） */
.road-hud-left {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 180px;
}
.road-gauge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(10,12,24,.6);
    border: 1px solid rgba(201,169,97,.15);
    border-radius: 8px;
    padding: 6px 10px;
    backdrop-filter: blur(6px);
}
.road-gauge-ico { font-size: 14px; width: 18px; text-align: center; }
.road-gauge-bar {
    flex: 1;
    height: 8px;
    background: rgba(255,255,255,.08);
    border-radius: 4px;
    overflow: hidden;
}
.road-gauge-fill {
    height: 100%;
    width: 100%;
    transition: width .4s, background .4s;
    border-radius: 4px;
}
.road-fuel-fill { background: linear-gradient(90deg, #fbbf24, #f59e0b); }
.road-food-fill { background: linear-gradient(90deg, #4ade80, #22c55e); }
.road-water-fill { background: linear-gradient(90deg, #60a5fa, #3b82f6); }
.road-health-fill { background: linear-gradient(90deg, #f87171, #ef4444); }
.road-gauge-val { font-size: 11px; color: #d8d0c0; width: 26px; text-align: right; font-family: monospace; }

/* 右侧信息 + 动作按钮 */
.road-hud-right {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}
.road-info-block {
    background: rgba(10,12,24,.6);
    border: 1px solid rgba(201,169,97,.15);
    border-radius: 8px;
    padding: 10px 14px;
    backdrop-filter: blur(6px);
    text-align: right;
}
.road-info-row {
    font-size: 13px;
    color: #d8d0c0;
    line-height: 1.8;
}
.road-info-row i { color: var(--gold, #c9a961); width: 18px; }
.road-action-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(10,12,24,.7);
    border: 1px solid rgba(201,169,97,.3);
    color: var(--gold, #c9a961);
    cursor: pointer;
    font-size: 16px;
    backdrop-filter: blur(6px);
    transition: background .15s;
}
.road-action-btn:hover { background: rgba(201,169,97,.15); }

/* 底部提示条 */
.road-hud-bottom {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    max-width: 80%;
}
.road-prompt {
    padding: 10px 24px;
    background: rgba(10,12,24,.75);
    border: 1px solid rgba(201,169,97,.3);
    border-radius: 22px;
    color: #e8e0c8;
    font-size: 14px;
    text-align: center;
    backdrop-filter: blur(6px);
    animation: roadPromptPulse 2s ease-in-out infinite;
}
@keyframes roadPromptPulse {
    0%,100% { box-shadow: 0 0 0 rgba(201,169,97,0); }
    50% { box-shadow: 0 0 18px rgba(201,169,97,.3); }
}

/* 交互提示（E 坐下 / 取景） */
.road-interact-hint {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 20px;
    background: rgba(201,169,97,.15);
    border: 1px solid var(--gold, #c9a961);
    border-radius: 20px;
    color: var(--gold, #c9a961);
    font-size: 13px;
    z-index: 11;
    pointer-events: none;
    backdrop-filter: blur(6px);
}

/* ===== 面板弹层（升级/日记/图鉴/兑换 共用） ===== */
.road-panel-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.7);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(4px);
}
.road-panel {
    width: 100%;
    max-width: 640px;
    max-height: 85vh;
    background: linear-gradient(160deg, #14162a, #0c0e1c);
    border: 1px solid var(--border-gold, rgba(201,169,97,.3));
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,.6);
}
.road-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid rgba(201,169,97,.15);
}
.road-panel-header h3 {
    margin: 0;
    color: var(--gold, #c9a961);
    font-size: 18px;
    letter-spacing: 2px;
}
.road-panel-close {
    background: none;
    border: none;
    color: #8a8a9a;
    font-size: 18px;
    cursor: pointer;
    padding: 4px 8px;
}
.road-panel-close:hover { color: #f87171; }
.road-panel-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
}
.road-panel-footer {
    padding: 16px 24px;
    border-top: 1px solid rgba(201,169,97,.15);
    text-align: right;
}
.road-panel-confirm {
    padding: 10px 32px;
    color: #1a1a2e;
    background: linear-gradient(135deg, var(--gold, #c9a961), #b8962e);
    border: none;
    border-radius: 22px;
    cursor: pointer;
    font-size: 14px;
    letter-spacing: 2px;
}

/* 升级面板 */
.road-upgrade-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    background: rgba(20,22,40,.5);
    border: 1px solid rgba(201,169,97,.15);
    border-radius: 10px;
    margin-bottom: 10px;
}
.road-upgrade-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(201,169,97,.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--gold, #c9a961);
    flex-shrink: 0;
}
.road-upgrade-info { flex: 1; min-width: 0; }
.road-upgrade-name { font-size: 14px; color: #e8e0c8; margin-bottom: 4px; }
.road-upgrade-desc { font-size: 12px; color: #8a8a9a; }
.road-upgrade-level {
    font-size: 11px;
    color: var(--gold, #c9a961);
    margin-top: 4px;
}
.road-upgrade-btn {
    padding: 8px 16px;
    background: rgba(201,169,97,.15);
    border: 1px solid var(--gold, #c9a961);
    border-radius: 18px;
    color: var(--gold, #c9a961);
    cursor: pointer;
    font-size: 12px;
    white-space: nowrap;
    flex-shrink: 0;
}
.road-upgrade-btn:hover:not(:disabled) { background: rgba(201,169,97,.25); }
.road-upgrade-btn:disabled { opacity: .4; cursor: not-allowed; }
.road-upgrade-btn.maxed { color: #4ade80; border-color: #4ade80; background: rgba(74,222,128,.1); }

/* 日记 */
.road-diary-entry {
    padding: 12px 14px;
    background: rgba(20,22,40,.4);
    border-left: 3px solid var(--gold, #c9a961);
    border-radius: 0 8px 8px 0;
    margin-bottom: 10px;
}
.road-diary-day { font-size: 11px; color: var(--gold, #c9a961); margin-bottom: 4px; }
.road-diary-text { font-size: 13px; color: #d8d0c0; line-height: 1.7; }
.road-diary-empty { text-align: center; color: #8a8a9a; padding: 40px; font-size: 13px; }

/* 图鉴 */
.road-codex-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}
.road-codex-card {
    padding: 14px 10px;
    background: rgba(20,22,40,.5);
    border: 1px solid rgba(201,169,97,.15);
    border-radius: 10px;
    text-align: center;
}
.road-codex-card.locked { opacity: .35; filter: grayscale(1); }
.road-codex-emoji { font-size: 28px; margin-bottom: 6px; }
.road-codex-name { font-size: 12px; color: #d8d0c0; }
.road-codex-biome { font-size: 10px; color: #8a8a9a; margin-top: 2px; }

/* 兑换 */
.road-exchange-box {
    text-align: center;
    padding: 20px;
}
.road-exchange-rate {
    font-size: 14px;
    color: var(--gold, #c9a961);
    margin-bottom: 16px;
}
.road-exchange-input-row {
    display: flex;
    gap: 10px;
    justify-content: center;
    align-items: center;
    margin-bottom: 12px;
}
.road-exchange-input {
    width: 140px;
    padding: 10px 14px;
    background: rgba(10,12,24,.6);
    border: 1px solid rgba(201,169,97,.3);
    border-radius: 8px;
    color: #e8e0c8;
    font-size: 16px;
    text-align: center;
}
.road-exchange-preview { font-size: 13px; color: #8a8a9a; margin-bottom: 16px; }
.road-exchange-preview b { color: #4ade80; }

/* 搜刮 */
.road-scavenge-panel { max-width: 520px; }
.road-scavenge-hint { font-size: 13px; color: #8a8a9a; margin-bottom: 16px; line-height: 1.6; }
.road-scavenge-nodes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}
.road-scavenge-node {
    aspect-ratio: 1;
    background: rgba(20,22,40,.6);
    border: 1px solid rgba(201,169,97,.25);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    transition: transform .12s, border-color .12s;
}
.road-scavenge-node:hover:not(.revealed) { transform: scale(1.05); border-color: var(--gold, #c9a961); }
.road-scavenge-node.revealed { cursor: default; opacity: .8; }
.road-scavenge-node.revealed.danger { border-color: #f87171; }
.road-scavenge-result {
    font-size: 14px;
    color: #d8d0c0;
    text-align: center;
    min-height: 24px;
}
.road-scavenge-result .loot-good { color: #4ade80; }
.road-scavenge-result .loot-bad { color: #f87171; }

/* 离线结算 */
.road-sim-summary {
    font-size: 14px;
    color: #d8d0c0;
    line-height: 2;
}
.road-sim-summary .label { color: #8a8a9a; display: inline-block; width: 120px; }
.road-sim-summary .val { color: var(--gold, #c9a961); font-weight: 600; }
.road-sim-events {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(201,169,97,.15);
}
.road-sim-event {
    padding: 8px 12px;
    background: rgba(20,22,40,.4);
    border-left: 2px solid var(--gold, #c9a961);
    margin-bottom: 8px;
    font-size: 13px;
    color: #b8b0a0;
    border-radius: 0 6px 6px 0;
}
.road-sim-stalled {
    padding: 12px;
    background: rgba(220,38,38,.12);
    border: 1px solid #f87171;
    border-radius: 8px;
    color: #f87171;
    font-size: 13px;
    margin-bottom: 16px;
    text-align: center;
}

@media (max-width: 600px) {
    .road-hud-left { width: 140px; left: 12px; }
    .road-hud-right { right: 12px; }
    .road-info-block { padding: 8px 10px; }
    .road-info-row { font-size: 12px; }
    .road-scavenge-nodes { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 十字准星 / 命中标记 / 飘字 ===== */
.road-crosshair {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 20px; height: 20px; z-index: 12; pointer-events: none;
}
.road-crosshair::before, .road-crosshair::after {
    content: ''; position: absolute; background: rgba(255,255,255,0.7);
}
.road-crosshair::before { left: 50%; top: 0; width: 2px; height: 100%; transform: translateX(-50%); }
.road-crosshair::after { top: 50%; left: 0; height: 2px; width: 100%; transform: translateY(-50%); }
.road-hit-marker {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 26px; height: 26px; z-index: 13; pointer-events: none; opacity: 0;
}
.road-hit-marker.hit { opacity: 1; animation: roadHitFlash 0.15s ease-out; }
.road-hit-marker::before, .road-hit-marker::after {
    content: ''; position: absolute; width: 8px; height: 2px; background: #ff4444;
}
.road-hit-marker::before { top: 2px; left: 2px; transform: rotate(45deg); }
.road-hit-marker::after { bottom: 2px; right: 2px; transform: rotate(45deg); }
@keyframes roadHitFlash { 0% { opacity: 1; transform: translate(-50%,-50%) scale(1.4); } 100% { opacity: 0; transform: translate(-50%,-50%) scale(1); } }
.road-float-text {
    position: absolute; top: 40%; left: 50%; transform: translateX(-50%);
    z-index: 14; pointer-events: none; text-align: center;
}
.road-float-line {
    font-size: 15px; font-weight: 600; text-shadow: 0 2px 6px rgba(0,0,0,0.8);
    margin-bottom: 4px; animation: roadFloatUp 2.2s ease-out forwards;
}
@keyframes roadFloatUp {
    0% { opacity: 0; transform: translateY(10px); }
    15% { opacity: 1; transform: translateY(0); }
    80% { opacity: 1; }
    100% { opacity: 0; transform: translateY(-30px); }
}

/* ===== 操作提示条 ===== */
.road-controls-hint {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: rgba(10,12,24,.5);
    border: 1px solid rgba(201,169,97,.15);
    border-radius: 16px;
    color: #8a8a9a;
    font-size: 12px;
    white-space: nowrap;
    backdrop-filter: blur(6px);
    pointer-events: none;
    max-width: 90vw;
    overflow: hidden;
    text-overflow: ellipsis;
}
.road-controls-hint b { color: var(--gold, #c9a961); font-weight: 600; margin: 0 1px; }
@media (max-width: 600px) {
    .road-controls-hint { font-size: 10px; padding: 4px 10px; }
}

/* 重开按钮 */
.road-restart-btn {
    padding: 8px 28px;
    font-size: 13px;
    letter-spacing: 2px;
    color: #c0a878;
    background: transparent;
    border: 1px solid rgba(201,169,97,.3);
    border-radius: 20px;
    cursor: pointer;
    transition: border-color .15s, color .15s, background .15s;
}
.road-restart-btn:hover { border-color: #f87171; color: #f87171; background: rgba(248,113,113,.08); }
.road-restart-btn i { margin-right: 4px; }