/**
 * Auth Pages Base Styles (Login, Register, Forgot, Reset)
 * 认证页面基础样式 - 所有认证页面共用的样式
 * 
 * @package Errand
 * @since 1.0.0
 */

/* ==========================================================================
   CSS Variables - 认证页面专用变量
   ========================================================================== */

:root {
	/* Auth Colors - 认证页面颜色系统 */
	--auth-primary: #0073aa;
	--auth-primary-dark: #005a87;
	--auth-primary-light: #e6f3ff;
	--auth-secondary: #6c757d;
	--auth-success: #28a745;
	--auth-warning: #ffc107;
	--auth-danger: #dc3545;
	--auth-info: #17a2b8;
	
	/* Auth Backgrounds - 认证页面背景 */
	--auth-bg-primary: #ffffff;
	--auth-bg-secondary: #f8f9fa;
	--auth-bg-light: #f1f3f4;
	--auth-bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	
	/* Auth Text Colors - 认证页面文字颜色 */
	--auth-text-primary: #212529;
	--auth-text-secondary: #6c757d;
	--auth-text-muted: #868e96;
	--auth-text-light: #adb5bd;
	
	/* Auth Borders - 认证页面边框 */
	--auth-border-color: #dee2e6;
	--auth-border-light: #e9ecef;
	--auth-border-radius: 12px;
	--auth-border-radius-sm: 8px;
	--auth-border-radius-lg: 16px;
	
	/* Auth Shadows - 认证页面阴影 */
	--auth-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
	--auth-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
	--auth-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
	--auth-shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);
	
	/* Auth Spacing - 认证页面间距 */
	--auth-spacing-xs: 0.25rem;
	--auth-spacing-sm: 0.5rem;
	--auth-spacing-md: 1rem;
	--auth-spacing-lg: 1.5rem;
	--auth-spacing-xl: 2rem;
	--auth-spacing-xxl: 3rem;
	
	/* Auth Transitions - 认证页面过渡动画 */
	--auth-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	--auth-transition-fast: all 0.15s ease;
	--auth-transition-slow: all 0.5s ease;
}

/* ==========================================================================
   Base Auth Layout - 基础认证页面布局
   ========================================================================== */

.errand-auth-page {
	background: var(--auth-bg-gradient);
	min-height: 100vh;
}

.errand-auth-page::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
	opacity: 0.3;
	pointer-events: none;
}

.errand-auth-container {
	width: 100%;
	max-width: 1200px;
	margin: 0 auto;
	position: relative;
	z-index: 1;
	padding: 4rem 0;
}

.errand-auth-wrapper {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--auth-spacing-xxl);
	align-items: center;
	min-height: 80vh;
}

/* ==========================================================================
   Auth Card - 认证卡片样式
   ========================================================================== */

.errand-auth-card {
	background: var(--auth-bg-primary);
	border-radius: var(--auth-border-radius-lg);
	box-shadow: var(--auth-shadow-xl);
	padding: var(--auth-spacing-xxl);
	position: relative;
	overflow: hidden;
	backdrop-filter: blur(10px);
	border: 1px solid rgba(255, 255, 255, 0.2);
}

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

/* ==========================================================================
   Auth Header - 认证页面头部
   ========================================================================== */

.errand-auth-header {
	text-align: center;
	margin-bottom: var(--auth-spacing-xl);
}

.errand-auth-title {
	font-size: 2rem;
	font-weight: 700;
	color: var(--auth-text-primary);
	margin: 0 0 var(--auth-spacing-md) 0;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--auth-spacing-md);
	line-height: 1.2;
}

.auth-icon {
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: var(--auth-primary-light);
	color: var(--auth-primary);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.5rem;
	box-shadow: var(--auth-shadow-sm);
}

.errand-auth-subtitle {
	font-size: 1.1rem;
	color: var(--auth-text-secondary);
	margin: 0;
	line-height: 1.5;
}

/* ==========================================================================
   Auth Form - 认证表单样式
   ========================================================================== */

.errand-auth-form {
	margin-bottom: var(--auth-spacing-xl);
}

.errand-form-group {
	margin-bottom: var(--auth-spacing-lg);
	position: relative;
}

.errand-form-label {
	font-weight: 600;
	color: var(--auth-text-primary);
	margin-bottom: var(--auth-spacing-sm);
	font-size: 0.95rem;
	display: flex;
	align-items: center;
	gap: var(--auth-spacing-sm);
}

.errand-form-label i {
	color: var(--auth-primary);
	font-size: 1.1rem;
}

.required {
	color: var(--auth-danger);
	font-weight: 700;
	margin-left: var(--auth-spacing-xs);
}

.errand-form-input {
	width: 100%;
	padding: var(--auth-spacing-md) var(--auth-spacing-lg);
	border: 2px solid var(--auth-border-color);
	border-radius: var(--auth-border-radius-sm);
	font-size: 1rem;
	background: var(--auth-bg-primary);
	color: var(--auth-text-primary);
	transition: var(--auth-transition);
	box-sizing: border-box;
}

.errand-form-input:focus {
	outline: none;
	border-color: var(--auth-primary);
	box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.1);
	transform: translateY(-1px);
}

.errand-form-input::placeholder {
	color: var(--auth-text-muted);
	font-style: italic;
}

/* ==========================================================================
   Password Input - 密码输入框样式
   ========================================================================== */

.errand-password-input-wrapper {
	position: relative;
	display: flex;
	align-items: center;
}

.errand-password-input-wrapper .errand-form-input {
	padding-right: 3rem;
}

.errand-password-toggle {
	position: absolute;
	right: var(--auth-spacing-md);
	background: none;
	border: none;
	color: var(--auth-text-muted);
	cursor: pointer;
	padding: var(--auth-spacing-sm);
	border-radius: var(--auth-border-radius-sm);
	transition: var(--auth-transition);
	display: flex;
	align-items: center;
	justify-content: center;
}

.errand-password-toggle:hover {
	color: var(--auth-primary);
	background: var(--auth-primary-light);
}

.errand-password-toggle:focus {
	outline: none;
	box-shadow: 0 0 0 2px rgba(0, 115, 170, 0.2);
}

/* ==========================================================================
   Password Strength - 密码强度指示器
   ========================================================================== */

.errand-password-strength {
	margin-top: var(--auth-spacing-sm);
}

.password-strength-meter {
	height: 4px;
	background: var(--auth-border-light);
	border-radius: 2px;
	overflow: hidden;
	margin-bottom: var(--auth-spacing-xs);
}

.password-strength-bar {
	height: 100%;
	width: 0%;
	transition: var(--auth-transition);
	border-radius: 2px;
}

.password-strength-bar.weak {
	width: 25%;
	background: var(--auth-danger);
}

.password-strength-bar.fair {
	width: 50%;
	background: var(--auth-warning);
}

.password-strength-bar.good {
	width: 75%;
	background: var(--auth-info);
}

.password-strength-bar.strong {
	width: 100%;
	background: var(--auth-success);
}

.password-strength-text {
	font-size: 0.85rem;
	color: var(--auth-text-muted);
	font-weight: 500;
}

/* ==========================================================================
   Checkbox - 复选框样式
   ========================================================================== */

.errand-checkbox-label {
	display: flex;
	align-items: center;
	gap: var(--auth-spacing-sm);
	cursor: pointer;
	font-size: 0.95rem;
	color: var(--auth-text-secondary);
	line-height: 1.4;
}

.errand-checkbox {
	display: none;
}

.errand-checkbox-custom {
	width: 20px;
	height: 20px;
	border: 2px solid var(--auth-border-color);
	border-radius: 4px;
	background: var(--auth-bg-primary);
	position: relative;
	transition: var(--auth-transition);
	flex-shrink: 0;
}

.errand-checkbox:checked + .errand-checkbox-custom {
	background: var(--auth-primary);
	border-color: var(--auth-primary);
	transform: translateY(0);
}

.errand-checkbox:checked + .errand-checkbox-custom::after {
	content: '✓';
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	color: white;
	font-size: 12px;
	font-weight: bold;
}

.errand-checkbox-label:hover .errand-checkbox-custom {
	border-color: var(--auth-primary);
	box-shadow: var(--auth-shadow-sm);
}

/* ==========================================================================
   Form Options - 表单选项样式
   ========================================================================== */

.errand-form-options {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: var(--auth-spacing-sm);
}

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

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

/* ==========================================================================
   Submit Button - 提交按钮样式
   ========================================================================== */

.errand-auth-submit-btn {
	width: 100%;
	padding: var(--auth-spacing-md) var(--auth-spacing-lg);
	background: linear-gradient(135deg, var(--auth-primary), var(--auth-primary-dark));
	color: white !important;
	border: none;
	border-radius: var(--auth-border-radius-sm);
	font-size: 1rem;
	font-weight: 600;
	cursor: pointer;
	transition: var(--auth-transition);
	position: relative;
	overflow: hidden;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--auth-spacing-sm);
	min-height: 48px;
}

.errand-auth-submit-btn:hover {
	transform: translateY(-2px);
	box-shadow: var(--auth-shadow-lg);
	background: linear-gradient(135deg, var(--auth-primary-dark), var(--auth-primary));
}

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

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

.errand-auth-submit-btn .btn-loading {
	display: none;
}

.errand-auth-submit-btn.loading .btn-text {
	display: none;
}

.errand-auth-submit-btn.loading .btn-loading {
	display: flex;
	align-items: center;
	gap: var(--auth-spacing-sm);
}

.errand-auth-submit-btn.loading .btn-loading i {
	animation: spin 1s linear infinite;
}

@keyframes spin {
	from { transform: rotate(0deg); }
	to { transform: rotate(360deg); }
}

/* ==========================================================================
   Messages - 消息提示样式
   ========================================================================== */

.errand-messages {
	margin-bottom: var(--auth-spacing-lg);
}

.errand-message {
	padding: var(--auth-spacing-md);
	border-radius: var(--auth-border-radius-sm);
	margin-bottom: var(--auth-spacing-sm);
	font-size: 0.95rem;
	display: flex;
	align-items: center;
	gap: var(--auth-spacing-sm);
}

.errand-message.success {
	background: rgba(40, 167, 69, 0.1);
	border: 1px solid rgba(40, 167, 69, 0.2);
	color: var(--auth-success);
}

.errand-message.error {
	background: rgba(220, 53, 69, 0.1);
	border: 1px solid rgba(220, 53, 69, 0.2);
	color: var(--auth-danger);
}

.errand-message.warning {
	background: rgba(255, 193, 7, 0.1);
	border: 1px solid rgba(255, 193, 7, 0.2);
	color: #856404;
}

.errand-message.info {
	background: rgba(23, 162, 184, 0.1);
	border: 1px solid rgba(23, 162, 184, 0.2);
	color: var(--auth-info);
}

.errand-message-close {
	position: absolute;
	top: 0.5rem;
	right: 0.5rem;
	background: none;
	border: none;
	color: inherit;
	cursor: pointer;
	padding: 0.25rem;
	border-radius: 4px;
	opacity: 0.7;
	transition: opacity 0.3s ease;
}

.errand-message-close:hover {
	opacity: 1;
}

.errand-success-message,
.errand-error-message {
	text-align: center;
	padding: var(--auth-spacing-xl);
	border-radius: var(--auth-border-radius);
	margin-bottom: var(--auth-spacing-lg);
}

.errand-success-message {
	background: rgba(40, 167, 69, 0.1);
	border: 1px solid rgba(40, 167, 69, 0.2);
	color: var(--auth-success);
}

.errand-error-message {
	background: rgba(220, 53, 69, 0.1);
	border: 1px solid rgba(220, 53, 69, 0.2);
	color: var(--auth-danger);
}

.success-icon,
.error-icon {
	width: 64px;
	height: 64px;
	border-radius: 50%;
	background: currentColor;
	color: white;
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 0 auto var(--auth-spacing-md);
	font-size: 1.5rem;
}

.error-actions {
	display: flex;
	gap: var(--auth-spacing-md);
	justify-content: center;
	margin-top: var(--auth-spacing-lg);
	align-items: center;
}

/* ==========================================================================
   Auth Footer - 认证页面底部
   ========================================================================== */

.errand-auth-footer {
	text-align: center;
	padding-top: var(--auth-spacing-lg);
	border-top: 1px solid var(--auth-border-light);
}

.errand-auth-switch {
	margin: 0;
	color: var(--auth-text-secondary);
	font-size: 0.95rem;
}

.errand-auth-link {
	color: var(--auth-primary);
	text-decoration: none;
	font-weight: 600;
	transition: var(--auth-transition);
}

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

/* ==========================================================================
   Auth Features - 认证页面特色功能
   ========================================================================== */

.errand-auth-features {
	background: rgba(255, 255, 255, 0.1);
	backdrop-filter: blur(10px);
	border-radius: var(--auth-border-radius-lg);
	padding: var(--auth-spacing-xl);
	border: 1px solid rgba(255, 255, 255, 0.2);
}

.features-title {
	font-size: 1.5rem;
	font-weight: 700;
	color: white;
	margin: 0 0 var(--auth-spacing-lg) 0;
	text-align: center;
}

.features-list {
	display: flex;
	flex-direction: column;
	gap: var(--auth-spacing-md);
}

.feature-item {
	display: flex;
	align-items: center;
	gap: var(--auth-spacing-md);
	color: white;
	font-size: 0.95rem;
	padding: var(--auth-spacing-md);
	background: rgba(255, 255, 255, 0.1);
	border-radius: var(--auth-border-radius-sm);
	transition: var(--auth-transition);
}

.feature-item:hover {
	background: rgba(255, 255, 255, 0.2);
	transform: translateX(4px);
}

.feature-item i {
	font-size: 1.2rem;
	color: rgba(255, 255, 255, 0.8);
	flex-shrink: 0;
}

/* ==========================================================================
   Responsive Design - 响应式设计
   ========================================================================== */

@media (max-width: 768px) {
	.errand-auth-wrapper {
		grid-template-columns: 1fr;
		gap: var(--auth-spacing-xl);
		min-height: auto;
	}
	
	.errand-auth-card {
		padding: var(--auth-spacing-xl);
	}
	
	.errand-auth-title {
		font-size: 1.75rem;
		flex-direction: column;
		gap: var(--auth-spacing-sm);
	}
	
	.auth-icon {
		width: 40px;
		height: 40px;
		font-size: 1.25rem;
	}
	
	.errand-form-options {
		flex-direction: column;
		align-items: flex-start;
		gap: var(--auth-spacing-md);
	}
	
	.features-list {
		gap: var(--auth-spacing-sm);
	}
	
	.feature-item {
		padding: var(--auth-spacing-sm);
		font-size: 0.9rem;
	}
}

@media (max-width: 480px) {
	.errand-auth-page {
		padding: var(--auth-spacing-sm);
	}
	
	.errand-auth-card {
		padding: var(--auth-spacing-lg);
		border-radius: var(--auth-border-radius);
	}
	
	.errand-auth-title {
		font-size: 1.5rem;
	}
	
	.errand-form-input {
		padding: var(--auth-spacing-sm) var(--auth-spacing-md);
	}
	
	.errand-auth-submit-btn {
		padding: var(--auth-spacing-sm) var(--auth-spacing-md);
		min-height: 44px;
	}
}

/* ==========================================================================
   Dark Mode Support - 深色模式支持
   ========================================================================== */

@media (prefers-color-scheme: dark) {
	:root {
		--auth-bg-primary: #1a1a1a;
		--auth-bg-secondary: #2d2d2d;
		--auth-bg-light: #3a3a3a;
		--auth-text-primary: #ffffff;
		--auth-text-secondary: #b0b0b0;
		--auth-text-muted: #888888;
		--auth-text-light: #666666;
		--auth-border-color: #404040;
		--auth-border-light: #333333;
	}
	
	.errand-auth-card {
		border: 1px solid rgba(255, 255, 255, 0.1);
	}
	
	.errand-auth-features {
		background: rgba(0, 0, 0, 0.3);
		border: 1px solid rgba(255, 255, 255, 0.1);
	}
	
	.feature-item {
		background: rgba(0, 0, 0, 0.2);
	}
	
	.feature-item:hover {
		background: rgba(0, 0, 0, 0.3);
	}
}

/* ==========================================================================
   Print Styles - 打印样式
   ========================================================================== */

@media print {
	.errand-auth-page {
		background: white !important;
	}
	
	.errand-auth-features {
		display: none;
	}
	
	.errand-auth-card {
		box-shadow: none;
		border: 1px solid #ccc;
	}
}