/**
 * 生存战争网 - 组件样式表
 * 定义可复用的 UI 组件：按钮、主题选择器、语言选择器、横幅网格、Toast 提示
 */

/* ===== 按钮组件 ===== */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background-color: #fff;
    color: #333;
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    background-color: #f8f9fa;
    border-color: var(--primary-color);
}

.btn-success {
    background-color: #28a745;
    color: #fff;
}

.btn-success:hover {
    background-color: #218838;
}

/* ===== 主题选择器 ===== */
.theme-selector {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    padding: 6px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.theme-btn {
    width: 44px;
    height: 44px;
    padding: 8px;
    border: 2px solid transparent;
    border-radius: 10px;
    background: linear-gradient(145deg, #ffffff 0%, #f0f0f0 100%);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.theme-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

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

.theme-btn:hover {
    border-color: #007bff;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.25);
    background: linear-gradient(145deg, #f8f9ff 0%, #e8ecff 100%);
}

.theme-btn.active {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 16px rgba(40, 167, 69, 0.4);
    transform: scale(1.08);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 4px 16px rgba(40, 167, 69, 0.4); }
    50% { box-shadow: 0 6px 24px rgba(40, 167, 69, 0.6); }
}

/* ===== 语言选择器 ===== */
.language-selector {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 6px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.language-btn {
    padding: 8px 18px;
    border: 2px solid transparent;
    border-radius: 10px;
    background: linear-gradient(145deg, #ffffff 0%, #f5f5f5 100%);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
    text-align: center;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: relative;
    overflow: hidden;
    min-width: 90px;
}

.language-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.language-btn:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.2);
    background: linear-gradient(145deg, #f8f9ff 0%, #f0f3ff 100%);
}

.language-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
    transform: scale(1.05);
    animation: langPulse 2s infinite;
}

@keyframes langPulse {
    0%, 100% { box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4); }
    50% { box-shadow: 0 6px 24px rgba(102, 126, 234, 0.6); }
}

/* ===== 横幅/导航链接网格 ===== */
.banner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 8px;
    margin: 5px 0;
    animation: fadeIn 0.5s ease-out;
}

.banner-grid a {
    display: block;
    padding: 8px 12px;
    text-align: center;
    background: linear-gradient(135deg, #f8f9ff 0%, #e8ecff 100%);
    border: 1px solid #e0e6ed;
    border-radius: 6px;
    color: #333;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.banner-grid a:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(102, 126, 234, 0.3);
    border-color: var(--primary-color);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Toast 提示组件 ===== */
.theme-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 12px 24px;
    background: linear-gradient(135deg, #333 0%, #444 100%);
    color: #fff;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.theme-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ========================================================================
   工坊像素风格（body.wk-light / body.wk-dark）补充：
   通用按钮、响应式 4 主题按钮、细节去现代化动画
   ======================================================================== */

/* 工坊风通用按钮：像素风 3D 边框 */
body.wk-light .btn,
body.wk-dark .btn {
    border-radius: 0;
    font-family: var(--wk-pixel-font);
    font-weight: 800;
    letter-spacing: .02em;
    border-width: 3px;
    border-style: solid;
    border-color: var(--wk-btn-border-rb);
    border-top-color: var(--wk-btn-border-lt);
    border-left-color: var(--wk-btn-border-lt);
    background: var(--wk-grass);
    color: #fff;
    text-shadow: 1px 1px 0 var(--wk-grass-dark);
    box-shadow: 3px 3px 0 rgba(49, 46, 38, .3);
    transition: transform .08s, filter .15s;
}
body.wk-dark .btn {
    border-color: var(--wk-btn-border-rb);
    border-top-color: var(--wk-btn-border-lt);
    border-left-color: var(--wk-btn-border-lt);
    background: var(--wk-grass-dark);
    text-shadow: 1px 1px 0 #2a5f2a;
    box-shadow: 3px 3px 0 rgba(0, 0, 0, .4);
}
body.wk-light .btn:hover,
body.wk-dark .btn:hover {
    filter: brightness(1.08);
    transform: translate(-1px, -1px);
}
body.wk-light .btn:active,
body.wk-dark .btn:active {
    border-color: var(--wk-btn-border-lt);
    border-top-color: var(--wk-btn-border-rb);
    border-left-color: var(--wk-btn-border-rb);
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 rgba(49, 46, 38, .3);
}

/* 次级按钮 → 木头色 */
body.wk-light .btn-secondary,
body.wk-dark .btn-secondary {
    border-color: var(--wk-wood-btn-rb) !important;
    border-top-color: var(--wk-wood-btn-lt) !important;
    border-left-color: var(--wk-wood-btn-lt) !important;
    background: var(--wk-wood) !important;
    color: #fff8e8 !important;
    text-shadow: 1px 1px 0 var(--wk-wood-dark) !important;
}

/* 主题选择器 / 语言选择器：4 按钮在小屏略微缩小 */
@media (max-width: 560px) {
    .theme-selector .theme-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
        padding: 6px;
    }
}
@media (max-width: 480px) {
    .theme-selector { gap: 4px; padding: 4px; }
    .theme-selector .theme-btn {
        width: 36px;
        height: 36px;
        font-size: 15px;
        padding: 4px;
    }
}