/**
 * XSail 用户系统前端样式
 *
 * 航海主题设计
 */

/* ========================================
   变量定义
   ======================================== */
:root {
    /* 主色调 - 深蓝航海色 */
    --xsail-primary: #1a3a5c;
    --xsail-primary-dark: #0d2137;
    --xsail-primary-light: #2a5a8c;

    /* 辅助色 */
    --xsail-accent: #4a90d9;
    --xsail-success: #28a745;
    --xsail-error: #dc3545;
    --xsail-warning: #ffc107;

    /* 背景色 */
    --xsail-bg-gradient-start: #1a3a5c;
    --xsail-bg-gradient-end: #0d2137;

    /* 文字色 */
    --xsail-text-primary: #333333;
    --xsail-text-secondary: #666666;
    --xsail-text-light: #999999;
    --xsail-text-white: #ffffff;

    /* 卡片 */
    --xsail-card-bg: #ffffff;
    --xsail-card-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    --xsail-card-radius: 12px;

    /* 表单 */
    --xsail-input-bg: #f8f9fa;
    --xsail-input-border: #e0e0e0;
    --xsail-input-focus: #4a90d9;
    --xsail-input-radius: 8px;

    /* 间距 */
    --xsail-spacing-xs: 4px;
    --xsail-spacing-sm: 8px;
    --xsail-spacing-md: 16px;
    --xsail-spacing-lg: 24px;
    --xsail-spacing-xl: 32px;

    /* 过渡 */
    --xsail-transition: all 0.3s ease;
}

/* ========================================
   基础样式
   ======================================== */
.xsail-auth-page {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--xsail-bg-gradient-start) 0%, var(--xsail-bg-gradient-end) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.xsail-auth-page * {
    box-sizing: border-box;
}

/* ========================================
   容器
   ======================================== */
.xsail-auth-container {
    width: 100%;
    max-width: 420px;
    padding: var(--xsail-spacing-md);
}

/* ========================================
   卡片
   ======================================== */
.xsail-auth-card {
    background: var(--xsail-card-bg);
    border-radius: var(--xsail-card-radius);
    box-shadow: var(--xsail-card-shadow);
    padding: var(--xsail-spacing-xl);
    animation: xsail-fade-in 0.5s ease;
}

@keyframes xsail-fade-in {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Logo 和标题
   ======================================== */
.xsail-auth-logo {
    text-align: center;
    margin-bottom: var(--xsail-spacing-xl);
}

.xsail-logo-icon {
    color: var(--xsail-primary);
    margin-bottom: var(--xsail-spacing-md);
}

.xsail-auth-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--xsail-primary);
    margin: 0 0 var(--xsail-spacing-xs) 0;
}

.xsail-auth-subtitle {
    font-size: 14px;
    color: var(--xsail-text-light);
    margin: 0;
}

/* ========================================
   邀请信息
   ======================================== */
.xsail-invitation-info {
    background: linear-gradient(135deg, #e8f4fc 0%, #f0f7ff 100%);
    border: 1px solid #d0e8f5;
    border-radius: var(--xsail-input-radius);
    padding: var(--xsail-spacing-md);
    margin-bottom: var(--xsail-spacing-lg);
}

.xsail-invitation-header {
    display: flex;
    align-items: center;
    gap: var(--xsail-spacing-sm);
    margin-bottom: var(--xsail-spacing-sm);
    font-weight: 500;
    color: var(--xsail-primary);
}

.xsail-invitation-icon {
    color: var(--xsail-accent);
}

.xsail-invitation-details {
    font-size: 14px;
    color: var(--xsail-text-secondary);
}

.xsail-invitation-item {
    display: flex;
    padding: var(--xsail-spacing-xs) 0;
}

.xsail-invitation-label {
    color: var(--xsail-text-light);
    min-width: 80px;
}

.xsail-invitation-value {
    color: var(--xsail-text-primary);
    font-weight: 500;
}

/* ========================================
   表单
   ======================================== */
.xsail-auth-form {
    margin-bottom: var(--xsail-spacing-lg);
}

.xsail-form-group {
    margin-bottom: var(--xsail-spacing-md);
}

.xsail-form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--xsail-text-primary);
    margin-bottom: var(--xsail-spacing-sm);
}

.xsail-form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--xsail-text-primary);
    background: var(--xsail-input-bg);
    border: 1px solid var(--xsail-input-border);
    border-radius: var(--xsail-input-radius);
    transition: var(--xsail-transition);
    outline: none;
}

.xsail-form-input:focus {
    border-color: var(--xsail-input-focus);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

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

.xsail-form-input:disabled {
    background: #f0f0f0;
    cursor: not-allowed;
}

/* 只读输入框 */
.xsail-form-input-readonly {
    background-color: #f5f5f5;
    color: #666;
    cursor: not-allowed;
}

/* 表单提示文字 */
.xsail-form-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: #666;
}

/* 输入框组 */
.xsail-form-input-group {
    display: flex;
    gap: var(--xsail-spacing-sm);
}

.xsail-form-input-group .xsail-form-input {
    flex: 1;
}

.xsail-form-input-group .xsail-btn {
    flex-shrink: 0;
    white-space: nowrap;
}

/* 错误信息 */
.xsail-form-error {
    display: block;
    font-size: 12px;
    color: var(--xsail-error);
    margin-top: var(--xsail-spacing-xs);
    min-height: 18px;
}

/* 表单错误状态 */
.xsail-form-group.has-error .xsail-form-input {
    border-color: var(--xsail-error);
}

.xsail-form-group.has-error .xsail-form-input:focus {
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* ========================================
   按钮
   ======================================== */
.xsail-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--xsail-input-radius);
    border: none;
    cursor: pointer;
    transition: var(--xsail-transition);
    outline: none;
    text-decoration: none;
}

.xsail-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 主按钮 */
.xsail-btn-primary {
    background: var(--xsail-primary);
    color: var(--xsail-text-white);
}

.xsail-btn-primary:hover:not(:disabled) {
    background: var(--xsail-primary-light);
}

.xsail-btn-primary:active:not(:disabled) {
    background: var(--xsail-primary-dark);
}

/* 次要按钮 */
.xsail-btn-secondary {
    background: transparent;
    color: var(--xsail-primary);
    border: 1px solid var(--xsail-input-border);
}

.xsail-btn-secondary:hover:not(:disabled) {
    border-color: var(--xsail-primary);
    background: rgba(26, 58, 92, 0.05);
}

.xsail-btn-secondary:active:not(:disabled) {
    background: rgba(26, 58, 92, 0.1);
}

/* 块级按钮 */
.xsail-btn-block {
    width: 100%;
}

/* 加载状态 */
.xsail-btn-loading {
    position: relative;
    color: transparent !important;
}

.xsail-btn-loading::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: xsail-spin 0.8s linear infinite;
}

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

/* ========================================
   提示框
   ======================================== */
.xsail-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--xsail-spacing-sm);
    padding: var(--xsail-spacing-md);
    border-radius: var(--xsail-input-radius);
    margin-bottom: var(--xsail-spacing-lg);
    font-size: 14px;
}

.xsail-alert-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

/* 错误提示 */
.xsail-alert-error {
    background: #fff5f5;
    border: 1px solid #fed7d7;
    color: #c53030;
}

/* 成功提示 */
.xsail-alert-success {
    background: #f0fff4;
    border: 1px solid #c6f6d5;
    color: #276749;
}

/* 警告提示 */
.xsail-alert-warning {
    background: #fffbeb;
    border: 1px solid #fef3c7;
    color: #b45309;
}

/* ========================================
   页脚
   ======================================== */
.xsail-auth-footer {
    text-align: center;
    padding-top: var(--xsail-spacing-md);
    border-top: 1px solid #f0f0f0;
}

.xsail-auth-footer p {
    font-size: 14px;
    color: var(--xsail-text-light);
    margin: 0;
}

.xsail-auth-footer a {
    color: var(--xsail-accent);
    text-decoration: none;
    font-weight: 500;
}

.xsail-auth-footer a:hover {
    text-decoration: underline;
}

/* ========================================
   Toast 消息
   ======================================== */
.xsail-toast-container {
    position: fixed;
    top: var(--xsail-spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    width: 100%;
    max-width: 380px;
    padding: 0 var(--xsail-spacing-md);
}

.xsail-toast {
    background: #ffffff;
    border-radius: var(--xsail-input-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: var(--xsail-spacing-md);
    margin-bottom: var(--xsail-spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--xsail-spacing-sm);
    animation: xsail-toast-in 0.3s ease;
}

@keyframes xsail-toast-in {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.xsail-toast-success .xsail-toast-icon {
    color: var(--xsail-success);
}

.xsail-toast-error .xsail-toast-icon {
    color: var(--xsail-error);
}

.xsail-toast-message {
    flex: 1;
    font-size: 14px;
    color: var(--xsail-text-primary);
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 480px) {
    .xsail-auth-container {
        padding: var(--xsail-spacing-sm);
    }

    .xsail-auth-card {
        padding: var(--xsail-spacing-lg);
    }

    .xsail-auth-title {
        font-size: 20px;
    }

    .xsail-form-input-group {
        flex-direction: column;
    }

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

/* ========================================
   打印样式
   ======================================== */
@media print {
    .xsail-auth-page {
        background: #ffffff;
    }

    .xsail-auth-card {
        box-shadow: none;
        border: 1px solid #e0e0e0;
    }
}