/* 田园风格 - 用户端样式 */

:root {
    --primary-color: #8FBC8F;      /* 海绿色 */
    --secondary-color: #F5F5DC;    /* 米色 */
    --accent-color: #FFB6C1;       /* 浅粉色 */
    --bg-color: #FFFAF0;           /* 花白色 */
    --text-color: #5F4C3B;         /* 棕色 */
    --border-color: #D4EDC4;       /* 浅绿边框 */
    --shadow: 0 2px 8px rgba(95, 76, 59, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    background: linear-gradient(135deg, #FFFAF0 0%, #F0FFF0 100%);
    color: var(--text-color);
    height: 100vh;
    overflow: hidden;
}

/* 页面切换 */
.page {
    display: none;
    height: 100vh;
}

.page.active {
    display: flex;
    flex-direction: column;
}

/* ========== 登录页面 ========== */
#login-page {
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-container {
    background: white;
    border-radius: 20px;
    padding: 30px 25px;
    box-shadow: var(--shadow);
    max-width: 400px;
    width: 100%;
    border: 2px solid var(--border-color);
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

.flower-icon {
    font-size: 60px;
    margin-bottom: 10px;
    animation: bloom 2s ease-in-out infinite;
}

@keyframes bloom {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.logo h1 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 8px;
    font-weight: 600;
}

.subtitle {
    color: #999;
    font-size: 14px;
}

.login-form {
    margin-top: 20px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: 14px;
    font-weight: 500;
}

.input-group input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s;
    background: var(--bg-color);
}

.input-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(143, 188, 143, 0.1);
}

/* 头像选择器 */
.avatar-selector {
    display: flex;
    align-items: center;
    gap: 15px;
}

.avatar-preview {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid var(--border-color);
    object-fit: cover;
    background: var(--secondary-color);
}

.avatar-selector input[type="file"] {
    display: none;
}

.btn-select-avatar {
    flex: 1;
    padding: 10px 16px;
    background: var(--secondary-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-color);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.btn-select-avatar:active {
    transform: scale(0.98);
}

/* 按钮样式 */
.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #76A576);
    color: white;
    box-shadow: 0 4px 12px rgba(143, 188, 143, 0.3);
}

.btn-primary:active {
    transform: translateY(2px);
    box-shadow: 0 2px 6px rgba(143, 188, 143, 0.2);
}

/* ========== 聊天页面 ========== */
#chat-page {
    background: white;
}

/* 顶部栏 */
.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--primary-color), #76A576);
    color: white;
    box-shadow: var(--shadow);
}

.chat-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar-small {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid white;
    object-fit: cover;
}

.chat-title {
    display: flex;
    flex-direction: column;
}

.chat-title span {
    font-size: 14px;
    font-weight: 600;
}

.status {
    font-size: 11px;
    opacity: 0.9;
}

.btn-menu {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
}

/* 消息列表 */
.message-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: linear-gradient(180deg, #FFFAF0 0%, white 100%);
}

.welcome-message {
    text-align: center;
    padding: 40px 20px;
    color: #999;
}

.flower-divider {
    font-size: 32px;
    margin-bottom: 16px;
}

.welcome-message p {
    margin-bottom: 8px;
    font-size: 16px;
}

.welcome-message .hint {
    font-size: 14px;
    color: #bbb;
}

/* 消息气泡 */
.message {
    margin-bottom: 16px;
    display: flex;
    gap: 10px;
    animation: messageIn 0.3s ease-out;
}

@keyframes messageIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.sent {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    object-fit: cover;
    flex-shrink: 0;
}

.message-content {
    max-width: 70%;
}

.message-bubble {
    padding: 10px 14px;
    border-radius: 16px;
    word-wrap: break-word;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.message.received .message-bubble {
    background: white;
    border: 2px solid var(--border-color);
    border-top-left-radius: 4px;
}

.message.sent .message-bubble {
    background: linear-gradient(135deg, var(--primary-color), #76A576);
    color: white;
    border-top-right-radius: 4px;
}

.message-image {
    max-width: 200px;
    border-radius: 12px;
    cursor: pointer;
}

.message-time {
    font-size: 11px;
    color: #999;
    margin-top: 4px;
    padding: 0 4px;
}

/* 输入区域 */
.input-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: white;
    border-top: 2px solid var(--border-color);
}

.btn-emoji, .btn-image {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
}

#message-input {
    flex: 1;
    padding: 10px 14px;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    font-size: 15px;
    background: var(--bg-color);
}

#message-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-send {
    padding: 10px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

/* 表情选择器 */
.emoji-picker {
    position: absolute;
    bottom: 70px;
    left: 16px;
    right: 16px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    box-shadow: var(--shadow);
    max-height: 200px;
    overflow-y: auto;
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 8px;
}

.emoji-item {
    font-size: 28px;
    text-align: center;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: all 0.2s;
}

.emoji-item:active {
    background: var(--secondary-color);
    transform: scale(1.2);
}

/* 设置菜单 */
.settings-menu {
    position: absolute;
    top: 60px;
    right: 16px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    z-index: 100;
}

.menu-item {
    padding: 14px 20px;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 1px solid var(--border-color);
}

.menu-item:last-child {
    border-bottom: none;
}

.menu-item:active {
    background: var(--secondary-color);
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}