/* ============================================
   公共样式 - 新拟态设计系统
   所有页面共享的基础样式
   ============================================ */

/* 基础重置与新拟态变量 */
:root {
    --bg-color: #e0e5ec;
    --text-color: #44475a;
    --accent-color: #6c5ce7;
    --shadow-light: #ffffff;
    --shadow-dark: #a3b1c6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px 0 90px 0;
    min-height: 100vh;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
}

.container {
    max-width: 600px;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}

/* 页面标题 */
.page-title {
    text-align: center;
    font-size: 24px;
    margin-bottom: 5px;
}

.update-time {
    text-align: center;
    font-size: 12px;
    color: #888;
    margin-bottom: 20px;
}

/* ============================================
   新拟态基础类
   ============================================ */
.neu-convex {
    background: var(--bg-color);
    border-radius: 20px;
    box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
}

.neu-concave {
    background: var(--bg-color);
    border-radius: 10px;
    box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
    border: none;
    padding: 12px;
    width: 100%;
    box-sizing: border-box;
    font-size: 16px;
    color: var(--text-color);
    outline: none;
}

/* ============================================
   底部导航栏
   ============================================ */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    padding: 12px 0;
    background-color: var(--bg-color);
    box-shadow: 0 -4px 10px rgba(0,0,0,0.05);
    z-index: 1000;
    box-sizing: border-box;
}

.nav-item {
    text-decoration: none;
    color: #888;
    font-weight: bold;
    padding: 10px 0;
    border-radius: 10px;
    font-size: 15px;
    text-align: center;
    flex: 1;
    transition: 0.2s;
}

.nav-item.active {
    color: var(--accent-color);
    background: var(--bg-color);
    box-shadow: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);
    margin: 0 15px;
}

/* ============================================
   表单通用样式
   ============================================ */
.form-card {
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    color: #666;
}

.form-group input {
    width: 100%;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    font-size: 18px;
    font-weight: bold;
    color: var(--accent-color);
    cursor: pointer;
    transition: 0.2s;
    border: none;
    margin-top: 10px;
    border-radius: 15px;
    background: var(--bg-color);
    box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
}

.submit-btn:active {
    box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 状态消息 */
.status-msg {
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
    min-height: 20px;
}

.status-msg.success { color: green; }
.status-msg.error { color: red; }

/* ============================================
   颜色工具类
   ============================================ */
.current { color: #00b894; }
.myvideo { color: #1207eb; }
.wind { color: #0984e3; }
.info { color: #fdcb6e; }