/* ============================================
   奇趣岛 · 共享样式表
   所有页面共用，改一处全岛变样！
   ============================================ */

/* ----- CSS 自定义属性（主题色） ----- */
:root {
    --color-primary: #f093fb;
    --color-secondary: #f5576c;
    --color-accent: #feca57;
    --color-bg-start: #f9e7b3;
    --color-bg-end: #f5d78e;
    --color-card: #ffffff;
    --color-text: #2d2d2d;
    --color-text-light: #888888;
    --color-shadow: rgba(0, 0, 0, 0.1);
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    --radius-full: 60px;
    --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

/* 暗色模式 */
body.night {
    --color-bg-start: #1a2a3a;
    --color-bg-end: #0f1a24;
    --color-card: #233344;
    --color-text: #e6dccb;
    --color-text-light: #a0a090;
    --color-shadow: rgba(0, 0, 0, 0.4);
}

/* ----- 全局重置 ----- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-stack);
    min-height: 100vh;
    background: linear-gradient(145deg, var(--color-bg-start), var(--color-bg-end));
    color: var(--color-text);
    transition: background var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden;
    line-height: 1.5;
}

/* ----- 通用容器 ----- */
.app {
    max-width: 520px;
    margin: 0 auto;
    padding: 12px 12px 32px;
    position: relative;
}

/* ----- 头部导航 ----- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 4px 14px;
}

.header h1 {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    text-shadow: none;
}

body.night .header h1 {
    background: linear-gradient(135deg, #fddb92, #d1fdff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 导航链接 */
.nav-links {
    display: flex;
    gap: 6px;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
    font-size: 14px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(6px);
    transition: transform var(--transition-fast), background var(--transition-fast);
    box-shadow: 0 2px 8px var(--color-shadow);
}

body.night .nav-link {
    background: rgba(30, 40, 55, 0.7);
}

.nav-link:hover {
    transform: scale(1.05);
}

.nav-link:active {
    transform: scale(0.92);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
}

/* 主题切换按钮 */
.theme-toggle {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(6px);
    border: none;
    border-radius: var(--radius-full);
    padding: 8px 14px;
    font-size: 22px;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--color-shadow);
    transition: transform var(--transition-fast);
}

body.night .theme-toggle {
    background: rgba(30, 40, 55, 0.7);
}

.theme-toggle:active {
    transform: scale(0.92);
}

/* ----- 页面标题 ----- */
.page-title {
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    margin: 6px 0 16px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-desc {
    text-align: center;
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 18px;
}

/* ----- 卡片网格 ----- */
.card-grid {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 20px;
}

.card {
    background: var(--color-card);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    box-shadow: 0 6px 20px var(--color-shadow);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 16px;
}

.card:hover {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 10px 30px var(--color-shadow);
}

.card:active {
    transform: scale(0.97);
}

.card-icon {
    font-size: 40px;
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-sm);
}

.card-body h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.card-body p {
    font-size: 13px;
    color: var(--color-text-light);
}

/* ----- 通用按钮 ----- */
.btn {
    border: none;
    border-radius: var(--radius-full);
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn:active {
    transform: scale(0.92);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    box-shadow: 0 4px 14px rgba(245, 87, 108, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(4px);
    color: var(--color-text);
    box-shadow: 0 2px 8px var(--color-shadow);
}

body.night .btn-secondary {
    background: rgba(40, 55, 75, 0.6);
}

/* ----- 输入框 ----- */
.input-field {
    border: none;
    border-radius: var(--radius-full);
    padding: 12px 18px;
    font-size: 15px;
    background: rgba(255, 255, 245, 0.8);
    backdrop-filter: blur(4px);
    outline: none;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.04);
    width: 100%;
    font-family: var(--font-stack);
}

body.night .input-field {
    background: #1f2e3c;
    color: var(--color-text);
}

.input-field::placeholder {
    color: #b0a89a;
}

/* ----- Toast 提示 ----- */
.toast {
    position: fixed;
    top: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(-80px);
    background: #2d3f4e;
    color: #faeec3;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    z-index: 999;
    backdrop-filter: blur(6px);
}

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

/* ----- 弹窗 ----- */
.modal-mask {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
}

.modal-mask.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    max-width: 300px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-box p {
    font-size: 18px;
    margin-bottom: 18px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.modal-actions button {
    border: none;
    border-radius: var(--radius-full);
    padding: 10px 28px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.modal-actions button:active {
    transform: scale(0.92);
}

.modal-actions .cancel {
    background: #eae5dc;
    color: #333;
}

.modal-actions .confirm {
    background: var(--color-secondary);
    color: white;
}

body.night .modal-actions .cancel {
    background: #3a4a5a;
    color: #ddd;
}

/* ----- 返回顶部 ----- */
.back-home {
    display: block;
    text-align: center;
    margin-top: 20px;
    padding: 12px;
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
    transition: background var(--transition-fast);
}

body.night .back-home {
    background: rgba(30, 40, 55, 0.4);
}

.back-home:hover {
    background: rgba(255, 255, 255, 0.6);
}

/* ----- 响应式 ----- */
@media (max-width: 400px) {
    .header h1 {
        font-size: 22px;
    }
    .card-icon {
        font-size: 32px;
        width: 48px;
        height: 48px;
    }
    .card-body h3 {
        font-size: 16px;
    }
}