/* ========================================
   登录注册页面样式 - 薄荷绿科技风
   ======================================== */

:root {
    /* 主色调 - 薄荷绿 */
    --mint-primary: #00B42A;
    --mint-primary-dark: #009F22;
    --mint-primary-light: #E8F5E9;
    --mint-primary-soft: rgba(0, 180, 42, 0.08);
    --mint-primary-ring: rgba(0, 180, 42, 0.2);

    /* 背景色 */
    --bg-white: #FFFFFF;
    --bg-mint: #F0FFF4;
    --bg-gray: #F7F8FA;
    --bg-dark: #1a1a2e;

    /* 文字色 */
    --text-primary: #1D2129;
    --text-secondary: #4E5969;
    --text-tertiary: #86909C;
    --text-white: #FFFFFF;

    /* 边框和阴影 */
    --border-light: #E5E6EB;
    --border-mint: rgba(0, 180, 42, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 40px rgba(0, 180, 42, 0.15);

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========================================
   基础重置
   ======================================== */

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

html, body {
    height: 100%;
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: linear-gradient(135deg, var(--bg-gray) 0%, var(--bg-mint) 50%, var(--bg-white) 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* 背景装饰元素 */
.auth-bg-decoration {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.auth-bg-decoration::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(0, 180, 42, 0.08) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.auth-bg-decoration::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(0, 180, 42, 0.06) 0%, transparent 60%);
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(2deg);
    }
}

/* ========================================
   顶部导航栏
   ======================================== */

.auth-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
}

.auth-header-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
    transition: transform var(--transition-fast);
}

.auth-brand:hover {
    transform: scale(1.02);
}

.auth-brand-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--mint-primary), var(--mint-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 180, 42, 0.3);
}

.auth-brand-icon i {
    color: white;
    font-size: 1.1rem;
}

.auth-header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.auth-header-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.auth-header-link:hover {
    color: var(--mint-primary);
    background: var(--mint-primary-soft);
    border-color: var(--border-mint);
}

.auth-header-link.primary {
    background: var(--mint-primary);
    color: white;
    border-color: var(--mint-primary);
}

.auth-header-link.primary:hover {
    background: var(--mint-primary-dark);
    border-color: var(--mint-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 180, 42, 0.35);
}

/* ========================================
   主容器
   ======================================== */

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 1.5rem 3rem;
    position: relative;
    z-index: 1;
}

.auth-wrapper {
    width: 100%;
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 480px;
    gap: 4rem;
    align-items: center;
}

/* ========================================
   左侧信息区
   ======================================== */

.auth-info {
    padding: 2rem;
}

.auth-info-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--mint-primary-soft);
    border: 1px solid var(--border-mint);
    border-radius: var(--radius-full);
    color: var(--mint-primary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.auth-info-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.auth-info-title span {
    color: var(--mint-primary);
    position: relative;
}

.auth-info-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 480px;
}

.auth-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.auth-feature-item:hover {
    transform: translateX(8px);
    border-color: var(--border-mint);
    box-shadow: var(--shadow-sm);
}

.auth-feature-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    background: var(--mint-primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.auth-feature-icon i {
    color: var(--mint-primary);
    font-size: 1rem;
}

.auth-feature-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========================================
   右侧卡片区
   ======================================== */

.auth-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border: 1px solid var(--border-light);
    overflow: hidden;
    position: relative;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--mint-primary), var(--mint-primary-dark));
}

.auth-card-header {
    padding: 2rem 2rem 1rem;
    text-align: center;
}

.auth-card-icon {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--mint-primary), var(--mint-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 8px 24px rgba(0, 180, 42, 0.3);
}

.auth-card-icon i {
    color: white;
    font-size: 1.5rem;
}

.auth-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.auth-card-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.auth-card-body {
    padding: 1.5rem 2rem 2rem;
}

/* ========================================
   表单样式
   ======================================== */

.auth-form-group {
    margin-bottom: 1.25rem;
}

.auth-form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.auth-form-label-required::after {
    content: '*';
    color: #ff4d4f;
    margin-left: 4px;
}

.auth-input-wrapper {
    position: relative;
}

.auth-input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 1rem;
    transition: color var(--transition-fast);
    pointer-events: none;
    z-index: 1;
}

.auth-input-wrapper:focus-within .auth-input-icon {
    color: var(--mint-primary);
}

.auth-input {
    width: 100%;
    height: 3rem;
    padding: 0 1rem 0 2.75rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--bg-white);
    transition: all var(--transition-fast);
    outline: none;
}

.auth-input:hover {
    border-color: var(--mint-primary);
}

.auth-input:focus {
    border-color: var(--mint-primary);
    box-shadow: 0 0 0 3px var(--mint-primary-ring);
}

.auth-input::placeholder {
    color: var(--text-tertiary);
}

.auth-input.is-password {
    padding-right: 3rem;
}

.auth-password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    transition: color var(--transition-fast);
}

.auth-password-toggle:hover {
    color: var(--mint-primary);
}

/* 验证码输入 */
.auth-captcha-wrapper {
    display: flex;
    gap: 0.75rem;
}

.auth-captcha-input {
    flex: 1;
}

.auth-captcha-image {
    width: 120px;
    height: 3rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    cursor: pointer;
    overflow: hidden;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.auth-captcha-image:hover {
    border-color: var(--mint-primary);
    box-shadow: var(--shadow-sm);
}

.auth-captcha-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 记住我和忘记密码 */
.auth-form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.auth-checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.auth-checkbox {
    width: 1.125rem;
    height: 1.125rem;
    border: 2px solid var(--border-light);
    border-radius: 4px;
    appearance: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    flex-shrink: 0;
}

.auth-checkbox:checked {
    background: var(--mint-primary);
    border-color: var(--mint-primary);
}

.auth-checkbox:checked::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.auth-checkbox-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-forgot-link {
    font-size: 0.9rem;
    color: var(--mint-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.auth-forgot-link:hover {
    color: var(--mint-primary-dark);
    text-decoration: underline;
}

/* 提交按钮 */
.auth-submit-btn {
    width: 100%;
    height: 3rem;
    background: linear-gradient(135deg, var(--mint-primary), var(--mint-primary-dark));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.auth-submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

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

.auth-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 180, 42, 0.4);
}

.auth-submit-btn:active {
    transform: translateY(0);
}

.auth-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.auth-submit-btn .spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 底部链接 */
.auth-card-footer {
    padding: 1.5rem 2rem;
    background: var(--bg-gray);
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.auth-switch-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.auth-switch-link {
    color: var(--mint-primary);
    font-weight: 600;
    text-decoration: none;
    margin-left: 0.25rem;
    transition: color var(--transition-fast);
}

.auth-switch-link:hover {
    color: var(--mint-primary-dark);
    text-decoration: underline;
}

/* ========================================
   标签切换
   ======================================== */

.auth-tabs {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--bg-gray);
    border-radius: var(--radius-md);
    margin: 0 2rem 1.5rem;
}

.auth-tab {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-tab:hover {
    color: var(--text-primary);
}

.auth-tab.active {
    background: var(--bg-white);
    color: var(--mint-primary);
    box-shadow: var(--shadow-sm);
}

/* ========================================
   模态框样式
   ======================================== */

.auth-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.auth-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.auth-modal {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-normal);
}

.auth-modal-overlay.active .auth-modal {
    transform: scale(1) translateY(0);
}

.auth-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-gray);
}

.auth-modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.auth-modal-close {
    width: 2rem;
    height: 2rem;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    font-size: 1.25rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-modal-close:hover {
    background: var(--bg-white);
    color: var(--text-primary);
}

.auth-modal-body {
    padding: 1.5rem;
}

.auth-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-light);
    background: var(--bg-gray);
}

/* 模态框按钮 */
.auth-btn {
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.auth-btn-secondary {
    background: var(--bg-white);
    color: var(--text-secondary);
    border-color: var(--border-light);
}

.auth-btn-secondary:hover {
    border-color: var(--mint-primary);
    color: var(--mint-primary);
}

.auth-btn-primary {
    background: var(--mint-primary);
    color: white;
    border-color: var(--mint-primary);
}

.auth-btn-primary:hover {
    background: var(--mint-primary-dark);
    border-color: var(--mint-primary-dark);
}

/* ========================================
   提示消息
   ======================================== */

.auth-toast {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.auth-toast-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--mint-primary);
    min-width: 300px;
    max-width: 400px;
    pointer-events: auto;
    animation: slideIn 0.3s ease;
}

.auth-toast-item.error {
    border-left-color: #ff4d4f;
}

.auth-toast-item.success {
    border-left-color: var(--mint-primary);
}

.auth-toast-item.warning {
    border-left-color: #ff7d00;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.auth-toast-icon {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.auth-toast-item.success .auth-toast-icon {
    background: var(--mint-primary-soft);
    color: var(--mint-primary);
}

.auth-toast-item.error .auth-toast-icon {
    background: #fff1f0;
    color: #ff4d4f;
}

.auth-toast-item.warning .auth-toast-icon {
    background: #fff7e6;
    color: #ff7d00;
}

.auth-toast-content {
    flex: 1;
}

.auth-toast-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.auth-toast-message {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ========================================
   管理员登录特殊样式
   ======================================== */

.admin-login .auth-container {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.admin-login .auth-bg-decoration::before {
    background: radial-gradient(ellipse, rgba(0, 180, 42, 0.1) 0%, transparent 70%);
}

.admin-login .auth-bg-decoration::after {
    background: radial-gradient(ellipse, rgba(0, 180, 42, 0.08) 0%, transparent 60%);
}

.admin-login .auth-header {
    background: rgba(26, 26, 46, 0.9);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.admin-login .auth-brand {
    color: var(--text-white);
}

.admin-login .auth-header-link {
    color: rgba(255, 255, 255, 0.8);
}

.admin-login .auth-header-link:hover {
    color: var(--mint-primary);
    background: rgba(0, 180, 42, 0.1);
}

.admin-login .auth-info-title {
    color: var(--text-white);
}

.admin-login .auth-info-desc {
    color: rgba(255, 255, 255, 0.7);
}

.admin-login .auth-feature-item {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.admin-login .auth-feature-text {
    color: rgba(255, 255, 255, 0.8);
}

.admin-login .auth-feature-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--mint-primary);
}

.admin-login .auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
}

.admin-login .auth-card-header {
    background: linear-gradient(135deg, var(--mint-primary), var(--mint-primary-dark));
    padding: 2rem;
    color: white;
}

.admin-login .auth-card-icon {
    background: white;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.admin-login .auth-card-icon i {
    color: var(--mint-primary);
}

.admin-login .auth-card-title {
    color: white;
}

.admin-login .auth-card-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.admin-login .auth-card-footer {
    background: rgba(0, 0, 0, 0.02);
}

/* ========================================
   响应式适配
   ======================================== */

@media (max-width: 1024px) {
    .auth-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 480px;
    }

    .auth-info {
        display: none;
    }

    .auth-container {
        padding-top: 5rem;
    }
}

@media (max-width: 640px) {
    .auth-header {
        padding: 0.875rem 1rem;
    }

    .auth-header-inner {
        justify-content: center;
    }

    .auth-header-actions {
        display: none;
    }

    .auth-container {
        padding: 4.5rem 1rem 2rem;
    }

    .auth-card {
        border-radius: var(--radius-lg);
    }

    .auth-card-header {
        padding: 1.5rem 1.5rem 1rem;
    }

    .auth-card-body {
        padding: 1.25rem 1.5rem 1.5rem;
    }

    .auth-card-footer {
        padding: 1.25rem 1.5rem;
    }

    .auth-tabs {
        margin: 0 1.5rem 1.25rem;
    }

    .auth-captcha-wrapper {
        flex-direction: column;
    }

    .auth-captcha-image {
        width: 100%;
        height: 3rem;
    }

    .auth-toast {
        left: 1rem;
        right: 1rem;
        top: 1rem;
    }

    .auth-toast-item {
        min-width: auto;
        max-width: none;
    }

    .admin-login .auth-info {
        display: none;
    }
}

@media (max-width: 380px) {
    .auth-card-title {
        font-size: 1.25rem;
    }

    .auth-form-options {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ========================================
   动画效果
   ======================================== */

.fade-enter {
    opacity: 0;
    transform: translateY(10px);
}

.fade-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: all var(--transition-normal);
}

.fade-exit {
    opacity: 1;
    transform: translateY(0);
}

.fade-exit-active {
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
}

/* 输入框抖动动画 */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

.auth-input.error {
    border-color: #ff4d4f;
    animation: shake 0.4s ease;
}

.auth-input.error:focus {
    box-shadow: 0 0 0 3px rgba(255, 77, 79, 0.2);
}

/* 成功状态 */
.auth-input.success {
    border-color: var(--mint-primary);
}