body {
	background: #fff;
	font-family: 'Roboto', Arial, sans-serif;
	margin: 0;
}

/* 翻转卡片样式 / Flip Card Styles */
.flip-card {
	perspective: 1000px;
	max-width: 400px;
	width: 100%;
	height: 500px;
	position: relative;
}

.flip-card-inner {
	position: relative;
	width: 100%;
	height: 100%;
	text-align: center;
	transition: transform 0.3s ease;
	transform-style: preserve-3d;
}

.flip-card-inner.flipped {
	transform: rotateX(180deg);
}

.flip-card-front,
.flip-card-back {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border-radius: 14px;
	padding: 39px 15px 20px 15px;
	box-shadow: 0 2px 16px rgba(60, 80, 100, 0.09);
	background: #fff;
	box-sizing: border-box;
	display: flex;
	flex-direction: column;
	backface-visibility: hidden;
}

.flip-card-back {
	transform: rotateX(180deg);
}

/* 帮助按钮样式 / Help Button Styles */
.help-btn {
	position: absolute;
	top: 16px;
	right: 16px;
	background: none;
	border: 0px;
	color: #666;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.3s ease;
	z-index: 10;
}

/* 控制翻转时按钮的可见性 */
.flip-card-inner.flipped .flip-card-front .help-btn {
	visibility: hidden;
	opacity: 0;
	pointer-events: none;
}

.flip-card-inner:not(.flipped) .flip-card-back .help-btn {
	visibility: hidden;
	opacity: 0;
	pointer-events: none;
}

.help-btn:hover {
	background: #30a8f7;
	border-color: #30a8f7;
	color: #fff;
	transform: scale(1.1);
}

.help-btn:active {
	transform: scale(0.95);
}

/* 帮助内容样式 / Help Content Styles */
.help-content {
	text-align: left;
	max-height: 400px;
	overflow-y: auto;
	padding: 0 20px 20px 20px;
	color: #333;
	line-height: 1.6;
}

.help-section {
	margin-bottom: 24px;
}

.help-section h3 {
	font-size: 1.1rem;
	color: #4A5568;
	margin-bottom: 12px;
	font-weight: 600;
	display: flex;
	align-items: center;
	gap: 8px;
}

.help-section p {
	font-size: 0.95rem;
	color: #666;
	margin-bottom: 12px;
	line-height: 1.5;
}

.help-section ol,
.help-section ul {
	font-size: 0.9rem;
	color: #666;
	margin-left: 16px;
	margin-bottom: 12px;
}

.help-section li {
	margin-bottom: 8px;
	line-height: 1.4;
}

.help-section li strong {
	color: #2D3748;
	font-weight: 600;
}

/* 滚动条样式 */
.help-content::-webkit-scrollbar {
	width: 6px;
}

.help-content::-webkit-scrollbar-track {
	background: #f1f1f1;
	border-radius: 3px;
}

.help-content::-webkit-scrollbar-thumb {
	background: #c1c1c1;
	border-radius: 3px;
}

.help-content::-webkit-scrollbar-thumb:hover {
	background: #a8a8a8;
}

.login-container {
	/* 移除原有的样式，现在由flip-card处理 */
	/* max-width: 400px;
	margin: 60px auto 0 auto;
	padding: 32px 24px 24px 24px;
	background: #fff;
	border-radius: 14px;
	box-shadow: 0 2px 16px rgba(60, 80, 100, 0.09); */
    display: flex;
    text-align: center;
    align-items: center;
    flex-direction: column;
}

.login-container h1 {
	font-size: 2.2rem;
	font-weight: 700;
}

.subtips {
	color: #7a7a7a;
	margin-bottom: 26px;
	font-size: 1rem;
}

.login-container form {
	display: flex;
	flex-direction: column;
	gap: 18px;
}

.input-group {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	position: relative;
	margin-bottom: 10px;
}

.input-group label:not(.floating-label) {
	font-size: 0.98rem;
	color: #888;
	margin-bottom: 6px;
	margin-left: 2px;
}

.input-group .optional {
	color: #b5b5b5;
	font-size: 0.92em;
	margin-left: 4px;
}

.input-group input {
	width: 92%;
	border: 1px solid #e5e5e5;
	border-radius: 10px;
	padding: 14px 14px;
	font-size: 1.1rem;
	outline: none;
	background: #fafbfc;
	transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.input-group input:focus {
	border-color: #30a8f7;
	background: #fff;
	box-shadow: 0 0 0 3px rgba(48, 168, 247, 0.1);
}

.login-btn {
	margin-top: 20px;
	background: #30a8f7;
	border: none;
	color: #fff;
	font-size: 1.2rem;
	font-weight: 500;
	border-radius: 12px;
	padding: 14px 0;
	cursor: pointer;
	letter-spacing: 1px;
	transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.login-btn:hover,
.login-btn:focus {
	background: #2196e3;
	box-shadow: 0 4px 12px rgba(48, 168, 247, 0.3);
}

.login-btn:active {
	transform: translateY(1px);
}

.login-modal {
	position: fixed;
	z-index: 9999;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	display: flex;
	align-items: center;
	justify-content: center;
}

.login-modal-bg {
	position: absolute;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	background: rgba(255, 255, 255, 0.5);
	backdrop-filter: blur(12px);
	z-index: 1;
}

.login-modal-card {
	position: relative;
	z-index: 2;
	background: #fff;
	border-radius: 14px;
	box-shadow: 0 2px 16px rgba(60, 80, 100, 0.13);
	padding: 32px 24px 24px 24px;
	min-width: 200px;
	width: 400px;
	text-align: center;
}

.login-modal-card form {
	display: flex;
	flex-direction: column;
	gap: 18px;
}

.login-modal-close {
	position: absolute;
	right: 12px;
	top: 10px;
	background: none;
	border: none;
	font-size: 1.7rem;
	color: #888;
	cursor: pointer;
	z-index: 3;
	line-height: 1;
	transition: color 0.2s ease, transform 0.2s ease;
}

.login-modal-close:hover {
	color: #30a8f7;
	transform: scale(1.1);
}

.avatar {
	width: 42px !important;
	height: 42px !important;
	border-radius: 50% !important;
	display: flex !important;
	align-items: center !important;
	justify-content: center !important;
	font-weight: bold !important;
	font-size: 20px !important;
	user-select: none !important;
	overflow: hidden !important;
	flex-shrink: 0 !important;
	object-fit: cover !important;
	margin-right: 8px !important;
	box-sizing: border-box !important;
	z-index: 2 !important;
	position: relative !important;
}

.avatar img {
	width: 100% !important;
	height: 100% !important;
	border-radius: 50% !important;
	object-fit: cover !important;
	display: block !important;
	z-index: 2 !important;
	position: relative !important;
}

.img-modal-bg {
	position: fixed;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	z-index: 9999;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(20, 20, 20, 0.92);
}

.img-modal-blur {
	display: none;
}

.img-modal-content {
	position: relative;
	z-index: 2;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	background: none;
	border-radius: 0;
	box-shadow: none;
	padding: 0;
	width: 100vw;
	height: 100vh;
	max-width: 100vw;
	max-height: 100vh;
}

.img-modal-content img {
	max-width: 100vw;
	max-height: 100vh;
	border-radius: 0;
	box-shadow: none;
	background: none;
	margin: 0 auto;
	display: block;
	cursor: zoom-in;
	border: none;
}

.img-modal-close {
	position: fixed;
	right: 15px;
	top: 15px;
	font-size: 2.6rem;
	color: #bbb;
	background: none;
	border-radius: 50%;
	width: 48px;
	height: 48px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	z-index: 10000;
	line-height: 1;
	box-shadow: none;
	transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.img-modal-close:hover {
	background: rgba(80, 80, 80, 0.25);
	color: #fff;
	transform: scale(1.1);
}

.bubble.system {
	max-width: 70%;
	padding: 5px 14px;
	border-radius: 20px;
	margin: 0px auto 5px;
	font-size: 13px;
	line-height: 1.4;
	position: relative;
	word-break: break-word;
	background: #f0f4f8b3;
	color: #555;
	display: inline-block;
	text-align: center;
}

.icon-22-middle {
	width: 22px;
	height: 22px;
	vertical-align: middle;
	margin-right: 25px;
	margin-left: 25px;
}

.icon-22 {
	width: 22px;
	height: 22px;
}

.input-hidden {
	display: none;
}

.chat-attach-btn-abs {
	background: none;
	border: none;
	cursor: pointer;
	padding: 4px;
	display: flex;
	align-items: center;
	justify-content: center;
	position: absolute;
	right: -20px;
	top: 50%;
	transform: translateY(-50%);
	transition: transform 0.2s ease, color 0.2s ease;
	z-index: 5;
}

.chat-attach-btn-abs:hover {
	transform: translateY(-50%) scale(1.1);
	color: #30a8f7;
}

.input-message-input-init {
	height: 37px;
}

.bubble-img {
	max-width: 220px;
	max-height: 180px;
	border-radius: 8px;
}

.login-modal-close-abs {
	position: absolute;
	right: 10px;
	top: 10px;
	font-size: 22px;
	background: none;
	border: none;
	cursor: pointer;
}

.main-header-flex {
	display: flex;
	align-items: center;
}

.group-title-bold {
	font-size: 1.22em;
	font-weight: bold;
}

.main-header-members {
	margin-left: 10px;
	font-size: 13px;
	color: #888;
}

.img-modal-content-overflow {
	overflow: hidden;
}

.img-modal-img {
	max-width: 90vw;
	max-height: 90vh;
	cursor: grab;
	user-select: none;
}


.send-message-btn {
  background: rgb(3, 169, 244);
  background: linear-gradient(
    138deg,
    rgba(3, 169, 244, 1) 15%,
    rgba(63, 180, 233, 1) 65%
  );
  position: relative;
  cursor: pointer;
  font-size: 17px;
  padding: 0.7em 0.7em;
  border-radius: 50px;
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
  margin: 0px 0px 3px 7px;
  transition: all 0.3s ease;
  z-index: 10;
}
.send-message-btn:hover {
  transform: translateY(-2px);
  transition: all 0.3s ease;
}
.send-message-btn:active {
  transform: scale(0.95) translateY(0px);
  box-shadow: 0 0.3rem 0.8rem rgba(3, 169, 244, 0.2);
  transition: all 0.1s ease;
}
.send-message-btn .text {
  display: flex;
  align-items: center;
  justify-content: center;
  fill: #fff;
  transition: all 0.3s ease;
}
.send-message-btn:hover .text {
  transform: scale(1.05);
  transition: all 0.3s ease;
}
.send-message-btn:active .text {
  transform: scale(0.95);
  transition: all 0.1s ease;
}

/* 确保发送按钮的点击区域不被其他元素遮挡 */
.send-message-btn {
  position: relative;
  z-index: 10;
}

/* 确保发送按钮在所有父容器中都有足够的层级 */
.chat-input-wrapper .send-message-btn {
  position: relative;
  z-index: 15;
}

/* 防止任何绝对定位的元素遮挡发送按钮 */
.new-message-wrapper {
  position: relative;
  z-index: 1;
}