/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', 'Segoe UI', sans-serif;
}

/* 配色方案 */
:root {
    --primary: #4A90E2;
    --secondary: #6C5CE7;
    --accent: #FF6B6B;
    --success: #00C897;
    --light-bg: #F8FAFF;
    --dark-text: #2D3748;
    --gray: #718096;
    --border: #E2E8F0;
}

body {
    background: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.hidden {
    transform: translateY(-100%);
    box-shadow: none;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0.5rem;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--dark-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: background 0.3s;
}

.user-info:hover {
    background: var(--light-bg);
}

/* 主要内容样式 */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 1rem;
    margin-top: 80px;
}

/* 重置密码卡片样式 */
.reset-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    padding: 2.5rem;
    position: relative;
}

/* 重置密码头部设计 */
.reset-header {
    text-align: center;
    margin-bottom: 3rem;
}

.header-icon {
    width: 80px;
    height: 80px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.header-icon i {
    color: white;
    font-size: 2.5rem;
}

.reset-header h1 {
    font-size: 2.4rem;
    color: var(--dark-text);
    margin-bottom: 1rem;
    font-weight: 600;
}

.reset-header p {
    color: var(--gray);
    font-size: 1.1rem;
}

/* 表单样式 */
.form-group {
    margin-bottom: 2rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 500;
    color: var(--dark-text);
    font-size: 1.1rem;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 1rem;
    color: var(--gray);
    font-size: 1.2rem;
}

.input-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s;
    background: #fff;
}

.input-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.input-group input::placeholder {
    color: #CBD5E0;
}

.error-message {
    color: var(--accent);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: none;
}

.error-message.show {
    display: block;
}

/* 验证码组样式 */
.verification-group {
    display: flex;
    gap: 1rem;
}

.verification-group .input-group {
    flex: 1;
}

.verification-group .btn {
    white-space: nowrap;
}

/* 按钮样式 */
.btn {
    width: 100%;
    padding: 1rem 2rem;
    border-radius: 10px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.1rem;
}

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

.btn-secondary {
    background: var(--light-bg);
    color: var(--gray);
    border: 2px solid var(--border);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 链接样式 */
.link {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s;
}

.link:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.login-link {
    text-align: center;
    margin-top: 2rem;
    color: var(--gray);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .container {
        padding: 2rem 1rem;
    }
    
    .reset-card {
        padding: 1.5rem;
    }
    
    .reset-header h1 {
        font-size: 2rem;
    }
    
    .verification-group {
        flex-direction: column;
    }
    
    .verification-group .btn {
        width: 100%;
    }
}