/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --sw-bg: #050510;
    --sw-dark: #0a0a1a;
    --sw-blue: #00d4ff;
    --sw-cyan: #00ffff;
    --sw-gold: #ffd700;
    --sw-orange: #ff8c00;
    --sw-red: #ff3333;
    --sw-purple: #9d4edd;
    --sw-text: #e0e0ff;
    --sw-text-dim: #8888aa;
    --sw-border: rgba(0, 212, 255, 0.3);
    --sw-glow: 0 0 20px rgba(0, 212, 255, 0.5);
    --sw-glow-gold: 0 0 15px rgba(255, 215, 0, 0.6);
}

body {
    font-family: 'Segoe UI', 'Arial', sans-serif;
    background: var(--sw-bg);
    color: var(--sw-text);
    overflow: hidden;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

#game-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* ==================== 屏幕基础 ==================== */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    z-index: 10;
    background: rgba(5, 5, 16, 0.92);
    backdrop-filter: blur(3px);
}

.screen.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.screen-content {
    text-align: center;
    padding: 40px;
    max-width: 600px;
    width: 90%;
}

#game-ui {
    background: transparent !important;
    backdrop-filter: none !important;
    pointer-events: none;
    z-index: 5;
}

#game-ui.active {
    display: block !important;
    visibility: visible;
}

#game-ui > * {
    pointer-events: auto;
}

/* ==================== 开始界面 - 星际风格 ==================== */
.start-content {
    position: relative;
}

.starwars-logo {
    position: relative;
    margin-bottom: 50px;
    height: 200px;
}

.logo-ring {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 180px;
    height: 180px;
    border: 2px solid var(--sw-blue);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.3;
    animation: ringPulse 3s ease-in-out infinite;
}

.logo-ring.ring2 {
    width: 220px;
    height: 220px;
    border-color: var(--sw-cyan);
    animation-delay: 0.5s;
}

.logo-ring.ring3 {
    width: 260px;
    height: 260px;
    border-color: var(--sw-purple);
    animation-delay: 1s;
}

@keyframes ringPulse {
    0%, 100% { opacity: 0.2; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.05); }
}

.game-title-sw {
    position: relative;
    z-index: 2;
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 300;
    letter-spacing: 20px;
    color: var(--sw-text);
    text-shadow: 
        0 0 30px var(--sw-blue),
        0 0 60px var(--sw-cyan),
        0 0 90px var(--sw-purple);
    margin-top: 30px;
}

.sw-star {
    color: var(--sw-gold);
    font-size: 0.6em;
    vertical-align: middle;
}

.sw-subtitle {
    position: relative;
    z-index: 2;
    font-size: 1rem;
    letter-spacing: 12px;
    color: var(--sw-blue);
    opacity: 0.8;
    margin-top: 15px;
}

/* 星际风格按钮 */
.menu-buttons-sw {
    margin: 40px 0;
}

.btn-sw {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 18px 50px;
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--sw-text);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 255, 255, 0.05));
    border: 2px solid var(--sw-blue);
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-sw::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-sw:hover::before {
    left: 100%;
}

.btn-sw:hover {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(0, 255, 255, 0.15));
    box-shadow: var(--sw-glow), inset 0 0 30px rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

.btn-icon-sw {
    font-size: 1.5rem;
}

.btn-text-sw {
    position: relative;
}

.btn-glow {
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 60%;
    height: 2px;
    background: var(--sw-blue);
    transform: translateX(-50%);
    box-shadow: 0 0 15px var(--sw-cyan);
}

/* 提示面板 */
.tips-panel {
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tip-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--sw-text-dim);
}

.tip-icon {
    color: var(--sw-blue);
    font-size: 0.8rem;
}

.version-tag {
    margin-top: 60px;
    font-size: 0.75rem;
    color: var(--sw-text-dim);
    opacity: 0.5;
    letter-spacing: 2px;
}

/* ==================== 游戏内UI ==================== */
.top-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, rgba(10, 10, 25, 0.95) 0%, transparent 100%);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 15px 20px;
    z-index: 6;
}

.score-display {
    text-align: left;
}

.label {
    font-size: 0.7rem;
    color: var(--sw-text-dim);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--sw-gold);
    text-shadow: var(--sw-glow-gold);
}

/* 波次指示器 */
.phase-indicator {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 25px;
    background: rgba(157, 78, 221, 0.2);
    border: 1px solid var(--sw-purple);
    border-radius: 20px;
}

.phase-text {
    font-size: 0.85rem;
    color: var(--sw-purple);
    letter-spacing: 2px;
}

/* 原力 */
.force-display {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.force-bar {
    width: 100px;
    height: 8px;
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid var(--sw-border);
    border-radius: 4px;
    overflow: hidden;
}

.force-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--sw-blue), var(--sw-cyan));
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--sw-cyan);
}

.force-btn {
    width: 44px;
    height: 44px;
    background: rgba(157, 78, 221, 0.2);
    border: 2px solid var(--sw-purple);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.force-btn:not(:disabled):hover {
    background: rgba(157, 78, 221, 0.4);
    box-shadow: 0 0 20px var(--sw-purple);
}

.force-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.force-icon {
    font-size: 1.3rem;
}

/* 连击显示 */
.combo-display {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.combo-display.active {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.combo-count {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    color: var(--sw-gold);
    text-shadow: var(--sw-glow-gold);
    animation: comboFlash 0.5s ease-in-out infinite;
}

.combo-label {
    font-size: 0.8rem;
    color: var(--sw-orange);
    letter-spacing: 3px;
}

@keyframes comboFlash {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* 护盾/生命条 */
.shield-display {
    position: absolute;
    bottom: 100px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 6;
}

.shield-row, .health-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.shield-icon {
    color: var(--sw-cyan);
    font-size: 0.9rem;
}

.health-icon {
    color: var(--sw-red);
    font-size: 0.9rem;
}

.shield-label, .health-label {
    font-size: 0.7rem;
    color: var(--sw-text-dim);
    width: 30px;
}

.shield-bar, .health-bar {
    width: 120px;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--sw-border);
    border-radius: 5px;
    overflow: hidden;
}

.shield-fill {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, var(--sw-blue), var(--sw-cyan));
    transition: width 0.3s ease;
}

.health-fill {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, var(--sw-red), var(--sw-orange));
    transition: width 0.3s ease;
}

/* 武器状态 */
.weapon-status {
    position: absolute;
    bottom: 100px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: rgba(255, 140, 0, 0.2);
    border: 1px solid var(--sw-orange);
    border-radius: 20px;
    z-index: 6;
}

.weapon-label {
    font-size: 0.75rem;
    color: var(--sw-orange);
}

.weapon-level {
    font-size: 0.85rem;
    color: var(--sw-gold);
    font-weight: 600;
}

.weapon-upgraded {
    font-size: 1rem;
}

/* 光环状态 */
.aura-status {
    position: absolute;
    top: 90px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(0, 255, 255, 0.2);
    border: 2px solid var(--sw-cyan);
    border-radius: 25px;
    animation: auraGlow 1s ease-in-out infinite;
    z-index: 6;
}

@keyframes auraGlow {
    0%, 100% { box-shadow: 0 0 20px var(--sw-cyan); }
    50% { box-shadow: 0 0 40px var(--sw-cyan), 0 0 60px var(--sw-blue); }
}

.aura-icon {
    font-size: 1.2rem;
    color: var(--sw-cyan);
}

.aura-timer {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--sw-cyan);
}

.aura-name {
    font-size: 0.75rem;
    color: var(--sw-text);
    letter-spacing: 1px;
}

/* 底部功能按钮 */
.bottom-buttons {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 16px;
    z-index: 7;
}

.bottom-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 18px;
    background: rgba(10, 10, 30, 0.85);
    border: 1.5px solid rgba(0, 212, 255, 0.25);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    min-width: 64px;
    position: relative;
    overflow: hidden;
}

.bottom-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 212, 255, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.bottom-btn:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--sw-blue);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3), inset 0 0 20px rgba(0, 212, 255, 0.05);
    transform: translateY(-2px);
}

.bottom-btn:active {
    transform: translateY(0);
    background: rgba(0, 212, 255, 0.25);
}

.bottom-btn .btn-icon {
    font-size: 1.6rem;
    filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.5));
}

.weapon-btn .btn-icon {
    filter: drop-shadow(0 0 6px rgba(255, 140, 0, 0.6));
}

.weapon-btn {
    border-color: rgba(255, 140, 0, 0.3);
}

.weapon-btn:hover {
    border-color: var(--sw-orange);
    box-shadow: 0 0 15px rgba(255, 140, 0, 0.3), inset 0 0 20px rgba(255, 140, 0, 0.05);
}

.weapon-btn::before {
    background: linear-gradient(180deg, rgba(255, 140, 0, 0.08) 0%, transparent 60%);
}

.ship-btn .btn-icon {
    filter: drop-shadow(0 0 6px rgba(0, 255, 136, 0.6));
}

.ship-btn {
    border-color: rgba(0, 255, 136, 0.3);
}

.ship-btn:hover {
    border-color: #00ff88;
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.3), inset 0 0 20px rgba(0, 255, 136, 0.05);
}

.ship-btn::before {
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.08) 0%, transparent 60%);
}

.pause-btn .btn-icon {
    filter: drop-shadow(0 0 6px rgba(168, 85, 247, 0.6));
}

.pause-btn {
    border-color: rgba(168, 85, 247, 0.3);
}

.pause-btn:hover {
    border-color: #a855f7;
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.3), inset 0 0 20px rgba(168, 85, 247, 0.05);
}

.pause-btn::before {
    background: linear-gradient(180deg, rgba(168, 85, 247, 0.08) 0%, transparent 60%);
}

.bottom-btn .btn-label {
    font-size: 0.7rem;
    color: var(--sw-text-dim);
    letter-spacing: 1px;
}

/* 大招提示 */
.ultimate-notice {
    position: absolute;
    left: 50%;
    top: 35%;
    transform: translate(-50%, -50%);
    text-align: center;
    padding: 20px 50px;
    background: rgba(157, 78, 221, 0.3);
    border: 2px solid var(--sw-purple);
    border-radius: 10px;
    z-index: 8;
}

.ultimate-timer {
    font-size: 3rem;
    font-weight: 900;
    color: var(--sw-gold);
    text-shadow: var(--sw-glow-gold);
}

.ultimate-name {
    font-size: 1rem;
    color: var(--sw-purple);
    letter-spacing: 3px;
    margin-top: 5px;
}

/* 连击特效 */
.combo-effect {
    position: absolute;
    left: 50%;
    top: 30%;
    transform: translate(-50%, -50%);
    z-index: 8;
}

.effect-text {
    font-size: 2rem;
    font-weight: 900;
    color: var(--sw-gold);
    text-shadow: var(--sw-glow-gold);
    animation: effectPop 0.5s ease-out forwards;
}

@keyframes effectPop {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 0; }
}

/* 完美格挡 */
.perfect-block {
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--sw-cyan);
    text-shadow: 0 0 30px var(--sw-cyan), 0 0 60px var(--sw-blue);
    animation: perfectFlash 0.8s ease-out forwards;
    z-index: 8;
}

@keyframes perfectFlash {
    0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
    20% { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

.hidden {
    display: none !important;
}

/* ==================== 弹窗样式 ==================== */
.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 5, 16, 0.9);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 20;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    width: 90%;
    max-width: 400px;
    background: linear-gradient(135deg, rgba(15, 15, 35, 0.98), rgba(10, 10, 25, 0.98));
    border: 2px solid var(--sw-border);
    border-radius: 15px;
    overflow: hidden;
    animation: modalSlide 0.3s ease-out;
}

@keyframes modalSlide {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: rgba(0, 212, 255, 0.1);
    border-bottom: 1px solid var(--sw-border);
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--sw-cyan);
    letter-spacing: 2px;
}

.modal-close {
    width: 35px;
    height: 35px;
    background: rgba(255, 51, 51, 0.2);
    border: 1px solid var(--sw-red);
    border-radius: 50%;
    color: var(--sw-red);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 51, 51, 0.4);
    box-shadow: 0 0 15px var(--sw-red);
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid var(--sw-border);
}

/* 武器升级弹窗 */
.upgrade-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.current-weapon, .upgraded-weapon {
    text-align: center;
}

.weapon-display {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 8px;
}

.weapon-name {
    font-size: 0.85rem;
    color: var(--sw-text-dim);
}

.upgrade-arrow {
    font-size: 1.5rem;
    color: var(--sw-gold);
}

.upgrade-description {
    font-size: 0.9rem;
    color: var(--sw-text);
    line-height: 1.6;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(255, 140, 0, 0.1);
    border: 1px solid rgba(255, 140, 0, 0.3);
    border-radius: 8px;
}

.upgrade-cost {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--sw-orange);
}

.cost-icon {
    font-size: 0.8rem;
}

/* 弹窗按钮 */
.btn-modal {
    width: 100%;
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-confirm {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 255, 255, 0.1));
    border: 2px solid var(--sw-blue);
    color: var(--sw-cyan);
}

.btn-confirm:hover {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.4), rgba(0, 255, 255, 0.2));
    box-shadow: var(--sw-glow);
}

/* 战机选择列表 */
.ship-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 400px;
    overflow-y: auto;
}

.ship-option {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--sw-border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ship-option:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--sw-blue);
}

.ship-option.current {
    border-color: var(--sw-gold);
    background: rgba(255, 215, 0, 0.1);
}

.ship-option.locked {
    opacity: 0.5;
}

.ship-emoji {
    font-size: 2rem;
}

.ship-info {
    flex: 1;
    text-align: left;
}

.ship-name {
    font-size: 1rem;
    color: var(--sw-text);
    font-weight: 600;
}

.ship-desc {
    font-size: 0.75rem;
    color: var(--sw-text-dim);
    margin-top: 3px;
}

.ship-status {
    font-size: 0.7rem;
    padding: 4px 10px;
    border-radius: 10px;
    background: rgba(0, 212, 255, 0.2);
    color: var(--sw-blue);
}

.ship-status.locked {
    background: rgba(255, 51, 51, 0.2);
    color: var(--sw-red);
}

/* ==================== 暂停界面 ==================== */
.pause-content {
    background: rgba(10, 10, 25, 0.95);
    border: 1px solid var(--sw-border);
    border-radius: 15px;
    padding: 40px;
}

.pause-icon {
    font-size: 3rem;
    color: var(--sw-blue);
    margin-bottom: 15px;
}

.pause-title {
    font-size: 2rem;
    color: var(--sw-text);
    letter-spacing: 5px;
    margin-bottom: 30px;
}

.pause-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn-pause {
    padding: 15px 40px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-resume {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 255, 255, 0.1));
    border: 2px solid var(--sw-blue);
    color: var(--sw-cyan);
}

.btn-resume:hover {
    background: rgba(0, 212, 255, 0.3);
    box-shadow: var(--sw-glow);
}

.btn-quit {
    background: transparent;
    border: 1px solid var(--sw-border);
    color: var(--sw-text-dim);
}

.btn-quit:hover {
    border-color: var(--sw-red);
    color: var(--sw-red);
}

/* ==================== 结果界面 ==================== */
.result-content {
    background: rgba(10, 10, 25, 0.95);
    border: 1px solid var(--sw-border);
    border-radius: 15px;
    padding: 40px;
}

.result-icon {
    font-size: 4rem;
    color: var(--sw-gold);
    text-shadow: var(--sw-glow-gold);
    margin-bottom: 15px;
}

.result-title {
    font-size: 1.8rem;
    color: var(--sw-text);
    letter-spacing: 3px;
    margin-bottom: 30px;
}

.result-stats {
    margin: 30px 0;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--sw-text-dim);
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--sw-gold);
}

.coins-row {
    border-bottom: none;
    margin-top: 10px;
    padding-top: 20px;
    border-top: 1px solid var(--sw-border);
}

.coins-value {
    color: var(--sw-orange);
}

.result-buttons {
    margin-top: 30px;
}

.btn-retry {
    padding: 15px 50px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.2), rgba(255, 215, 0, 0.1));
    border: 2px solid var(--sw-orange);
    border-radius: 8px;
    color: var(--sw-gold);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-retry:hover {
    background: rgba(255, 140, 0, 0.3);
    box-shadow: 0 0 20px rgba(255, 140, 0, 0.5);
}

/* ==================== 商店界面 ==================== */
.shop-content {
    max-width: 500px;
}

.shop-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.shop-title {
    font-size: 1.5rem;
    color: var(--sw-cyan);
    letter-spacing: 3px;
}

.coins-display {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: rgba(255, 140, 0, 0.2);
    border: 1px solid var(--sw-orange);
    border-radius: 20px;
}

.coins-icon {
    color: var(--sw-orange);
}

.coins-amount {
    font-size: 1rem;
    font-weight: 600;
    color: var(--sw-gold);
}

.ship-cards {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-height: 60vh;
    overflow-y: auto;
}

.ship-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--sw-border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.ship-card:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--sw-blue);
}

.ship-card.owned {
    border-color: var(--sw-gold);
    background: rgba(255, 215, 0, 0.05);
}

.ship-card-emoji {
    font-size: 2.5rem;
}

.ship-card-info {
    flex: 1;
}

.ship-card-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--sw-text);
}

.ship-card-desc {
    font-size: 0.8rem;
    color: var(--sw-text-dim);
    margin-top: 5px;
}

.ship-card-price {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--sw-gold);
}

.btn-back {
    margin-top: 30px;
    padding: 12px 30px;
    background: transparent;
    border: 1px solid var(--sw-border);
    border-radius: 8px;
    color: var(--sw-text-dim);
    font-size: 0.9rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-back:hover {
    border-color: var(--sw-blue);
    color: var(--sw-cyan);
}

/* ==================== 动画 ==================== */
.pulse {
    animation: uiPulse 2s ease-in-out infinite;
}

@keyframes uiPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
}

::-webkit-scrollbar-thumb {
    background: var(--sw-blue);
    border-radius: 3px;
}