/**
 * Apple风格认证页面样式
 * 模仿Apple iPad Pro页面的设计语言
 */

/* CSS变量定义 - 高对比度优化 */
:root {
    --primary-blue: #007AFF;
    --primary-blue-hover: #0056CC;
    --background-primary: #000000;
    --background-secondary: #1C1C1E;
    --background-tertiary: #2C2C2E;
    --text-primary: #FFFFFF;
    --text-secondary: #F2F2F7;
    --text-tertiary: #D1D1D6;
    --text-muted: #8E8E93;
    --border-color: #48484A;
    --input-border: #636366;
    --input-border-focus: #007AFF;
    --input-bg: rgba(44, 44, 46, 0.8);
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.2);
    --shadow-heavy: rgba(0, 0, 0, 0.3);
}

/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #000;
    color: #f5f5f7;
    overflow-x: hidden;
    overflow-y: auto;
    min-height: 100vh;
    position: relative;
}

/* Apple风格背景 */
.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: linear-gradient(135deg, #1d1d1f 0%, #000 50%, #1d1d1f 100%);
}

.mesh-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 45, 85, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(30, 213, 169, 0.1) 0%, transparent 50%);
    filter: blur(40px);
    animation: meshMove 20s ease-in-out infinite;
}

@keyframes meshMove {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(180deg); }
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    animation: float 6s ease-in-out infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, #007AFF, #5856D6);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, #FF2D92, #FF6B35);
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.orb-3 {
    width: 150px;
    height: 150px;
    background: linear-gradient(45deg, #1ED5A9, #00D4AA);
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

/* 认证容器 */
.auth-container {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

/* 认证卡片 - 自适应浏览器窗口 */
.auth-card {
    background: rgba(29, 29, 31, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 48px;
    width: 100%;
    max-width: 440px;
    box-shadow: 
        0 32px 64px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: cardSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes cardSlideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 认证头部 */
.auth-header {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    margin-bottom: 24px;
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-4px); }
}

.auth-header h1 {
    font-size: 32px;
    font-weight: 600;
    color: #f5f5f7;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.subtitle {
    color: #86868b;
    font-size: 17px;
    font-weight: 400;
    line-height: 1.4;
}

.email-info {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin: 8px 0 0 0;
    font-weight: 400;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: inline-block;
}

/* 消息提示 - 高对比度优化 */
.message {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 24px;
    font-size: 15px;
    font-weight: 600;
    animation: messageSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-success {
    background: rgba(30, 213, 169, 0.2);
    color: #30D158;
    border: 2px solid #32C759;
}

.message-error {
    background: rgba(255, 45, 85, 0.2);
    color: #FF453A;
    border: 2px solid #FF2D55;
}

.message-warning {
    background: rgba(255, 149, 0, 0.2);
    color: #FF9F0A;
    border: 2px solid #FF9500;
}

.message-info {
    background: rgba(0, 122, 255, 0.2);
    color: #0A84FF;
    border: 2px solid #007AFF;
}

/* 表单样式 */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    letter-spacing: 0.3px;
}

.input-wrapper {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 16px 20px 16px 52px;
    background: var(--input-bg);
    border: 2px solid var(--input-border);
    border-radius: 12px;
    font-size: 16px;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    outline: none;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
    box-sizing: content-box;
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    background: rgba(44, 44, 46, 0.95);
    border-color: var(--input-border-focus);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.3), inset 0 1px 3px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.input-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    transition: color 0.3s ease;
    pointer-events: none;
}

.form-input:focus + .input-icon {
    color: var(--input-border-focus);
}

/* 验证码组件样式 */
.verification-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.verification-wrapper {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

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

.verification-btn {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: #f5f5f7;
    font-size: 13px;
    font-weight: 500;
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    min-width: 100px;
    outline: none;
    height: fit-content;
    align-self: flex-start;
}

.verification-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #007aff;
    transform: translateY(-1px);
}

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

.verification-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.verification-btn:disabled:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: none;
}

/* 表单选项 */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 8px 0;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.checkbox-input {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--input-border);
    border-radius: 6px;
    margin-right: 12px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    background: var(--input-bg);
}

.checkbox-input:checked + .checkbox-custom {
    background: #007aff;
    border-color: #007aff;
}

.checkbox-input:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 500;
}

.forgot-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

/* 认证按钮 */
.auth-button {
    background: #007aff;
    color: white;
    border: none;
    border-radius: 12px;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
    position: relative;
    overflow: hidden;
}

.auth-button::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 0.6s;
}

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

.auth-button:hover {
    background: #0056d3;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0, 122, 255, 0.4);
}

.auth-button:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.auth-button svg {
    transition: transform 0.3s ease;
}

.auth-button:hover svg {
    transform: translateX(2px);
}

/* 认证页脚 */
.auth-footer {
    text-align: center;
    margin-top: 24px;
}

.auth-footer p {
    color: #86868b;
    font-size: 15px;
    font-weight: 400;
}

.register-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.register-link:hover {
    color: var(--primary-blue-hover);
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .auth-container {
        padding: 16px;
    }
    
    .auth-card {
        padding: 32px 24px;
        border-radius: 16px;
        max-width: 100%;
    }
    
    .auth-header h1 {
        font-size: 28px;
    }
    
    .gradient-orb {
        filter: blur(40px);
    }
}

@media (max-width: 480px) {
    body {
        overflow-y: auto;
        height: auto;
        min-height: 100vh;
    }
    
    .auth-container {
        padding: 12px;
        min-height: 100vh;
        align-items: flex-start;
        padding-top: 40px;
    }
    
    .auth-card {
        padding: 24px 20px;
        border-radius: 12px;
        box-shadow: 
            0 20px 40px rgba(0, 0, 0, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }
    
    .auth-header {
        margin-bottom: 32px;
    }
    
    .auth-header h1 {
        font-size: 24px;
    }
    
    .subtitle {
        font-size: 16px;
    }
    
    .logo img {
        width: 56px;
        height: 56px;
    }
    
    .form-input {
        padding: 14px 18px 14px 48px;
        font-size: 16px;
    }
    
    .input-icon {
        left: 16px;
    }
    
    .auth-button {
        padding: 14px 20px;
        font-size: 16px;
    }
    
    .auth-form {
        gap: 20px;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .orb-1, .orb-2, .orb-3 {
        opacity: 0.2;
    }
}

@media (max-width: 360px) {
    .auth-container {
        padding: 8px;
    }
    
    .auth-card {
        padding: 20px 16px;
    }
    
    .auth-header h1 {
        font-size: 22px;
    }
    
    .form-input {
        padding: 12px 16px 12px 44px;
        font-size: 15px;
    }
    
    .input-icon {
        left: 14px;
    }
    
    .input-icon svg {
        width: 18px;
        height: 18px;
    }
}

/* 横屏模式优化 */
@media (max-height: 600px) and (orientation: landscape) {
    .auth-container {
        padding: 16px;
        align-items: center;
    }
    
    .auth-card {
        padding: 24px;
        max-width: 400px;
    }
    
    .auth-header {
        margin-bottom: 24px;
    }
    
    .logo {
        margin-bottom: 16px;
    }
    
    .logo img {
        width: 48px;
        height: 48px;
    }
    
    .auth-form {
        gap: 16px;
    }
}

/* 深色模式优化 */
@media (prefers-color-scheme: dark) {
    .auth-card {
        background: rgba(29, 29, 31, 0.8);
        border-color: rgba(255, 255, 255, 0.15);
    }
    
    .form-input {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.2);
    }
    
    .form-input:focus {
        background: rgba(255, 255, 255, 0.15);
    }
}

/* 加载动画 */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* 焦点可访问性 */
.auth-button:focus,
.form-input:focus,
.checkbox-wrapper:focus-within,
.register-link:focus,
.forgot-link:focus {
    outline: 2px solid #007aff;
    outline-offset: 2px;
}

/* 减少动画效果（用户偏好） */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .gradient-orb {
        animation: none;
    }
    
    .mesh-gradient {
        animation: none;
    }
}