/**
 * 游戏增强样式 - 改进UI/UX和游戏化元素
 * 
 * Phase 4 UI/UX 升级版本
 * 使用统一设计系统 tokens
 */

/* ============================================
   CSS变量（游戏设计系统 - Phase 4）
   注意：这些变量需要在 game-center.css 中定义
   如果未定义，将使用以下默认值
   ============================================ */
#chao-game-root, :root {
    /* 🆕 Phase 4 颜色系统 */
    --chao-game-primary: #3A5AFE;
    --chao-game-primary-dark: #2A47D8;
    --chao-game-primary-light: #E8EDFF;
    --chao-game-accent: #FF7A59;
    --chao-game-success: #19B36B;
    --chao-game-error: #E53935;
    --chao-game-warning: #FFB020;
    
    /* 🆕 Phase 4 背景系统 */
    --chao-game-bg: #F9FAFB;
    --chao-game-bg-card: #FFFFFF;
    --chao-game-bg-hover: #F3F4F6;
    
    /* 🆕 Phase 4 文字系统 */
    --chao-game-text-primary: #111827;
    --chao-game-text-secondary: #4B5563;
    --chao-game-text-muted: #9CA3AF;
    
    /* 🆕 Phase 4 边框系统 */
    --chao-game-border: #E5E7EB;
    --chao-game-border-light: #F3F4F6;
    
    /* 🆕 Phase 4 圆角系统 */
    --chao-game-radius-sm: 8px;
    --chao-game-radius-md: 12px;
    --chao-game-radius-lg: 20px;
    --chao-game-radius-xl: 28px;
    
    /* 🆕 Phase 4 阴影系统 */
    --chao-game-shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
    --chao-game-shadow-elevated: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    /* 🆕 Phase 4 动画系统 */
    --chao-game-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --chao-game-motion-fade: 220ms ease-out;
    --chao-game-motion-slide-up: 260ms cubic-bezier(0.16, 1, 0.3, 1);
    --chao-game-motion-scale-pop: 180ms ease-out;
    
    /* 🆕 Phase 4 字体系统 */
    --chao-game-font-display: 48px;
    --chao-game-font-heading: 24px;
    --chao-game-font-subheading: 18px;
    --chao-game-font-body: 16px;
    --chao-game-font-small: 14px;
    --chao-game-font-caption: 12px;
}

/* ============================================
   游戏引导和提示系统
   ============================================ */
#chao-game-root .chao-game-tutorial {
    background: linear-gradient(135deg, var(--chao-game-primary) 0%, var(--chao-game-primary-dark) 100%);
    color: #fff;
    padding: 20px;
    border-radius: var(--chao-game-radius-md);
    margin-bottom: 24px;
    box-shadow: var(--chao-game-shadow-elevated);
    animation: slideDown var(--chao-game-motion-slide-up);
    position: relative;
}

#chao-game-root .chao-game-tutorial h3 {
    margin: 0 0 12px 0;
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

#chao-game-root .chao-game-tutorial p {
    margin: 0 0 8px 0;
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.95;
}

#chao-game-root .chao-game-tutorial ul {
    margin: 12px 0 0 0;
    padding-left: 20px;
    list-style: none;
}

#chao-game-root .chao-game-tutorial li {
    margin: 8px 0;
    padding-left: 24px;
    position: relative;
    font-size: 14px;
}

#chao-game-root .chao-game-tutorial li:before {
    content: "✓";
    position: absolute;
    left: 0;
    font-weight: 700;
    color: #fff;
}

#chao-game-root .chao-game-tutorial-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    transition: all 0.3s;
}

#chao-game-root .chao-game-tutorial-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* ============================================
   改进的资源分配界面
   ============================================ */
#chao-game-root .pn-resource-item {
    position: relative;
    padding: 24px;
    background: linear-gradient(135deg, var(--chao-game-bg) 0%, var(--chao-game-bg-card) 100%);
    border-radius: var(--chao-game-radius-lg);
    border: 2px solid var(--chao-game-border);
    transition: all var(--chao-game-transition);
    overflow: hidden;
    box-shadow: var(--chao-game-shadow-card);
}

#chao-game-root .pn-resource-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.3s;
}

#chao-game-root .pn-resource-item:hover {
    border-color: var(--chao-game-primary);
    box-shadow: var(--chao-game-shadow-elevated);
    transform: translateY(-2px);
}

#chao-game-root .pn-resource-item:hover::before {
    transform: scaleX(1);
}

#chao-game-root .pn-resource-item.active {
    border-color: var(--chao-game-primary);
    background: linear-gradient(135deg, var(--chao-game-primary-light) 0%, var(--chao-game-bg) 100%);
    box-shadow: var(--chao-game-shadow-elevated);
}

#chao-game-root .pn-resource-item.active::before {
    transform: scaleX(1);
}

#chao-game-root .pn-resource-description {
    font-size: 13px;
    color: #6b7280;
    margin-top: 8px;
    line-height: 1.5;
}

#chao-game-root .pn-resource-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 16px 0;
}

#chao-game-root .pn-resource-controls button {
    width: 44px;
    height: 44px;
    border: 2px solid var(--chao-game-primary);
    background: var(--chao-game-bg-card);
    color: var(--chao-game-primary);
    border-radius: var(--chao-game-radius-sm);
    font-size: 22px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--chao-game-motion-scale-pop);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--chao-game-shadow-card);
}

#chao-game-root .pn-resource-controls button:hover:not(:disabled) {
    background: var(--chao-game-primary);
    color: #fff;
    transform: scale(1.08);
    box-shadow: var(--chao-game-shadow-elevated);
}

#chao-game-root .pn-resource-controls button:active:not(:disabled) {
    transform: scale(0.95);
}

#chao-game-root .pn-resource-controls button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: var(--chao-game-border);
    color: var(--chao-game-text-muted);
}

#chao-game-root .pn-resource-input {
    flex: 1;
    text-align: center;
    font-size: var(--chao-game-font-heading);
    font-weight: 700;
    color: var(--chao-game-text-primary);
    border: 2px solid var(--chao-game-border);
    border-radius: var(--chao-game-radius-sm);
    padding: 12px;
    background: var(--chao-game-bg-card);
    transition: all var(--chao-game-transition);
}

#chao-game-root .pn-resource-input:focus {
    outline: none;
    border-color: var(--chao-game-primary);
    box-shadow: 0 0 0 3px var(--chao-game-primary-light);
}

/* ============================================
   改进的进度条
   ============================================ */
#chao-game-root .pn-resource-bar {
    height: 12px;
    background: var(--chao-game-border);
    border-radius: var(--chao-game-radius-sm);
    overflow: hidden;
    position: relative;
    margin-top: 12px;
}

#chao-game-root .pn-resource-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--chao-game-primary) 0%, var(--chao-game-primary-dark) 100%);
    border-radius: var(--chao-game-radius-sm);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

#chao-game-root .pn-resource-fill::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
#chao-game-root 0% {
#chao-game-root 100% {
}

/* ============================================
   改进的资源摘要
   ============================================ */
#chao-game-root .pn-resource-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--chao-game-primary-light) 0%, var(--chao-game-bg) 100%);
    border-radius: var(--chao-game-radius-md);
    margin: 24px 0;
    border: 2px solid var(--chao-game-primary-light);
    box-shadow: var(--chao-game-shadow-card);
}

.pn-points-used,
#chao-game-root .pn-points-remaining {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.pn-points-used .pn-points-label,
#chao-game-root .pn-points-remaining .pn-points-label {
    font-size: var(--chao-game-font-caption);
    color: var(--chao-game-text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pn-points-used .pn-points-value,
#chao-game-root .pn-points-remaining .pn-points-value {
    font-size: var(--chao-game-font-display);
    font-weight: 800;
    color: var(--chao-game-primary-dark);
    line-height: 1;
}

#chao-game-root .pn-points-remaining .pn-points-value {
    color: var(--chao-game-success);
}

/* ============================================
   改进的提交按钮
   ============================================ */
#chao-game-root .chao-game-submit-btn {
    width: 100%;
    padding: 18px 32px;
    background: linear-gradient(135deg, var(--chao-game-primary) 0%, var(--chao-game-primary-dark) 100%);
    color: #fff;
    border: none;
    border-radius: var(--chao-game-radius-md);
    font-size: var(--chao-game-font-subheading);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--chao-game-transition);
    box-shadow: var(--chao-game-shadow-elevated);
    position: relative;
    overflow: hidden;
}

#chao-game-root .chao-game-submit-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

#chao-game-root .chao-game-submit-btn:hover:not(:disabled)::before {
    left: 100%;
}

#chao-game-root .chao-game-submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--chao-game-shadow-elevated);
}

#chao-game-root .chao-game-submit-btn:active:not(:disabled) {
    transform: translateY(0);
}

#chao-game-root .chao-game-submit-btn:disabled {
    background: #d1d5db;
    color: #9ca3af;
    cursor: not-allowed;
    box-shadow: none;
}

#chao-game-root .chao-game-submit-btn.active {
    background: linear-gradient(135deg, var(--chao-game-success) 0%, #059669 100%);
    animation: pulse 2s infinite;
}

@keyframes pulse {
#chao-game-root 0%, #chao-game-root 100% {
#chao-game-root 50% {
}

/* ============================================
   改进的年收入轨迹输入
   ============================================ */
#chao-game-root .pn-income-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

#chao-game-root .pn-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#chao-game-root .pn-input-group label {
    font-size: var(--chao-game-font-small);
    font-weight: 600;
    color: var(--chao-game-text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

#chao-game-root .pn-input-group label::before {
    content: "→";
    color: var(--chao-game-primary);
    font-weight: 700;
}

#chao-game-root .pn-income-input {
    padding: 14px 16px;
    border: 2px solid var(--chao-game-border);
    border-radius: var(--chao-game-radius-sm);
    font-size: var(--chao-game-font-body);
    transition: all var(--chao-game-transition);
    background: var(--chao-game-bg-card);
}

#chao-game-root .pn-income-input:focus {
    outline: none;
    border-color: var(--chao-game-primary);
    box-shadow: 0 0 0 3px var(--chao-game-primary-light);
}

#chao-game-root .pn-income-input::placeholder {
    color: #9ca3af;
}

#chao-game-root .pn-input-hint {
    font-size: 12px;
    color: #6b7280;
    margin-top: 4px;
    font-style: italic;
}

#chao-game-root .pn-input-error {
    font-size: var(--chao-game-font-caption);
    color: var(--chao-game-error);
    margin-top: 4px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

#chao-game-root .pn-input-error::before {
    content: "⚠️";
    font-size: var(--chao-game-font-small);
}

#chao-game-root .pn-input-invalid {
    border-color: var(--chao-game-error) !important;
    background-color: #fef2f2 !important;
}

#chao-game-root .pn-input-invalid:focus {
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1) !important;
}

#chao-game-root .pn-btn-disabled {
    opacity: 0.5;
    cursor: not-allowed !important;
}

/* ============================================
   提示和帮助系统
   ============================================ */
#chao-game-root .chao-game-help {
    background: #fef3c7;
    border: 2px solid var(--chao-game-warning);
    border-radius: var(--chao-game-radius-sm);
    padding: 16px;
    margin: 16px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

#chao-game-root .chao-game-help-icon {
    font-size: 24px;
    flex-shrink: 0;
}

#chao-game-root .chao-game-help-content {
    flex: 1;
}

#chao-game-root .chao-game-help-title {
    font-size: var(--chao-game-font-small);
    font-weight: 700;
    color: #92400e;
    margin: 0 0 6px 0;
}

#chao-game-root .chao-game-help-text {
    font-size: var(--chao-game-font-small);
    color: #78350f;
    margin: 0;
    line-height: 1.5;
}

/* ============================================
   动画效果
   ============================================ */
@keyframes slideDown {
#chao-game-root from {
        opacity: 0;
        transform: translateY(-20px);
    }
#chao-game-root to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
#chao-game-root from {
#chao-game-root to {
}

#chao-game-root .chao-game-fade-in {
    animation: fadeIn 0.5s ease;
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 768px) {
#chao-game-root .pn-resource-controls button {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
#chao-game-root .pn-resource-input {
        font-size: 20px;
    }
    
#chao-game-root .pn-income-inputs {
        grid-template-columns: 1fr;
    }
    
#chao-game-root .pn-resource-summary {
        flex-direction: column;
        gap: 16px;
    }
}