/* ============================================================
   Template Web 样式
   ============================================================ */

* { box-sizing: border-box; }

/* 让 HTML `hidden` 属性始终生效：避免后续带 display: flex/grid 的类
   因同等特异性而覆盖浏览器默认的 [hidden]{display:none} 规则。 */
[hidden] { display: none !important; }

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    font-size: 14px;
    color: #1f2933;
    background: #f5f7fb;
}

button { font-family: inherit; cursor: pointer; }
a { color: #3366ff; text-decoration: none; }

/* ==================== 登录 / 注册 ==================== */

.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e8eefc 0%, #f7f3ff 100%);
    padding: 20px;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    padding: 36px 32px;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 24px 60px rgba(30, 60, 120, 0.12);
}

.auth-title {
    margin: 0 0 8px;
    font-size: 28px;
    letter-spacing: 1px;
    text-align: center;
    color: #1f2933;
}

.auth-subtitle {
    margin: 0 0 28px;
    text-align: center;
    color: #6c7a8a;
}

.auth-form { display: flex; flex-direction: column; gap: 16px; }

.auth-field { display: flex; flex-direction: column; gap: 6px; }

.auth-field span {
    color: #4b5864;
    font-size: 13px;
}

.auth-field input {
    padding: 10px 12px;
    border: 1px solid #d6dde6;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.15s, box-shadow 0.15s;
    background: #fbfcfe;
}

.auth-field input:focus {
    outline: none;
    border-color: #3366ff;
    box-shadow: 0 0 0 3px rgba(51, 102, 255, 0.12);
    background: #fff;
}

.auth-btn {
    margin-top: 8px;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: #3366ff;
    color: #fff;
    font-size: 15px;
    letter-spacing: 1px;
    transition: background 0.15s;
}
.auth-btn:hover { background: #2353e6; }
.auth-btn:disabled { background: #a7b5cc; cursor: not-allowed; }

.auth-hint {
    min-height: 18px;
    margin: 4px 0 0;
    color: #e14d4d;
    font-size: 13px;
    text-align: center;
}

.auth-switch {
    text-align: center;
    color: #6c7a8a;
    font-size: 13px;
}

/* ==================== 主布局 ==================== */

.layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    width: 220px;
    flex-shrink: 0;
    background: #1f2a44;
    color: #c7d2e0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 20px 12px;
}

.sidebar-brand {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 2px;
    color: #ffffff;
    padding: 6px 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 12px;
}

.sidebar-tabs {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-bottom {
    display: flex;
    flex-direction: column;
    gap: 4px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 12px;
}

.tab-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    border: none;
    background: transparent;
    color: #c7d2e0;
    border-radius: 8px;
    font-size: 14px;
    text-align: left;
    transition: background 0.15s, color 0.15s;
}
.tab-item:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.tab-item.active { background: #3366ff; color: #fff; }
.tab-item.logout-tab:hover { background: rgba(225, 77, 77, 0.22); color: #ff9e9e; }

.tab-icon { font-size: 16px; }

/* ==================== 主内容区 ==================== */

.main {
    flex: 1;
    overflow-y: auto;
    padding: 28px 32px;
    background: #f5f7fb;
}

.view { display: none; }
.view.active { display: block; }

.view-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.view-header h2 {
    margin: 0;
    font-size: 20px;
    color: #1f2933;
}

.view-header .header-left,
.view-header .header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.select-inline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #4b5864;
}
.select-inline select {
    padding: 6px 10px;
    border: 1px solid #d6dde6;
    border-radius: 6px;
    background: #fff;
    font-size: 13px;
    color: #1f2933;
}

.subview { display: block; }
.subview[hidden] { display: none; }

.admin-detail-meta {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    padding: 12px 18px;
    margin-bottom: 16px;
    background: #fff;
    border: 1px solid #edf0f5;
    border-radius: 10px;
    color: #4b5864;
    font-size: 13px;
}
.admin-detail-meta code {
    background: #eef2f8;
    padding: 1px 6px;
    border-radius: 4px;
    color: #3366ff;
    font-family: "SFMono-Regular", Consolas, monospace;
}

.view-body {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 6px 20px rgba(30, 60, 120, 0.05);
    min-height: 300px;
}

/* ==================== 按钮 ==================== */

.btn {
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 14px;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn-primary { background: #3366ff; color: #fff; border-color: #3366ff; }
.btn-primary:hover { background: #2353e6; }
.btn-primary:disabled { background: #a7b5cc; border-color: #a7b5cc; cursor: not-allowed; }
.btn-ghost {
    background: #fff;
    color: #4b5864;
    border-color: #d6dde6;
}
.btn-ghost:hover { background: #f3f6fb; }

/* ==================== 反馈列表 ==================== */

.feedback-list { display: flex; flex-direction: column; gap: 12px; }

.feedback-item {
    padding: 14px 16px;
    border: 1px solid #edf0f5;
    border-radius: 10px;
    background: #fbfcfe;
    transition: border-color 0.15s, background 0.15s, transform 0.05s;
}
.feedback-item.clickable { cursor: pointer; }
.feedback-item.clickable:hover { border-color: #3366ff; background: #f3f6ff; }
.feedback-item.clickable:active { transform: translateY(1px); }

.feedback-item-head {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 6px;
    color: #6c7a8a;
    font-size: 12px;
}

.feedback-item-head .feedback-time,
.feedback-item-head .feedback-user { margin-left: auto; }
.feedback-item-head .feedback-user { margin-left: 0; color: #4b5864; }

.feedback-key {
    font-family: "SFMono-Regular", Consolas, monospace;
    background: #eef2f8;
    padding: 2px 8px;
    border-radius: 4px;
    color: #3366ff;
}

.feedback-title {
    font-size: 15px;
    font-weight: 600;
    color: #1f2933;
    margin: 2px 0 4px;
    word-break: break-word;
}

.feedback-preview {
    color: #4b5864;
    font-size: 13px;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.empty-placeholder {
    text-align: center;
    padding: 60px 0;
    color: #97a3b4;
}

/* 状态标签 */
.status-chip {
    display: inline-block;
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
}
.status-chip.status-open        { background: #fff5e6; color: #d28b18; border-color: #f6dfb4; }
.status-chip.status-processing  { background: #e8f0ff; color: #2c59d0; border-color: #c5d5f7; }
.status-chip.status-resolved    { background: #e7f8ee; color: #2a8a4c; border-color: #bae2c9; }
.status-chip.status-closed      { background: #f1f3f5; color: #6c7a8a; border-color: #dce1e8; }

.pager {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    flex-wrap: wrap;
}
.pager button {
    min-width: 32px;
    padding: 6px 10px;
    border: 1px solid #d6dde6;
    border-radius: 6px;
    background: #fff;
    color: #4b5864;
    font-size: 13px;
}
.pager button:hover:not(:disabled) { border-color: #3366ff; color: #3366ff; }
.pager button:disabled { opacity: 0.5; cursor: not-allowed; }
.pager button.current { background: #3366ff; color: #fff; border-color: #3366ff; }

/* ==================== 用户信息 ==================== */

.info-card {
    max-width: 480px;
    border: 1px solid #edf0f5;
    border-radius: 10px;
    overflow: hidden;
}

.info-row {
    display: flex;
    padding: 14px 16px;
    border-bottom: 1px solid #edf0f5;
    background: #fbfcfe;
}
.info-row:last-child { border-bottom: none; }

.info-label {
    width: 120px;
    color: #6c7a8a;
}

.info-value {
    color: #1f2933;
    font-weight: 500;
}

/* ==================== 弹窗 ==================== */

.modal-mask {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    padding: 20px;
}

.modal {
    width: 100%;
    max-width: 560px;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.25);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid #edf0f5;
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    border: none;
    background: transparent;
    font-size: 24px;
    line-height: 1;
    color: #97a3b4;
}
.modal-close:hover { color: #1f2933; }

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.modal-body textarea {
    width: 100%;
    resize: vertical;
    padding: 12px;
    border: 1px solid #d6dde6;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: #fbfcfe;
    line-height: 1.6;
}
.modal-body textarea:focus {
    outline: none;
    border-color: #3366ff;
    box-shadow: 0 0 0 3px rgba(51, 102, 255, 0.12);
    background: #fff;
}

.modal-hint {
    min-height: 18px;
    margin-top: 8px;
    color: #e14d4d;
    font-size: 13px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 20px;
    border-top: 1px solid #edf0f5;
}

/* ==================== 会话（对话）视图 ==================== */

.chat-body {
    display: flex;
    flex-direction: column;
    padding: 0;
    min-height: 480px;
}

.chat-thread {
    flex: 1;
    overflow-y: auto;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: #f7f9fc;
    border-bottom: 1px solid #edf0f5;
    max-height: calc(100vh - 320px);
    min-height: 300px;
}

.chat-message {
    display: flex;
    flex-direction: column;
    max-width: 75%;
    gap: 4px;
}
.chat-message.mine  { align-self: flex-end;   align-items: flex-end; }
.chat-message.peer  { align-self: flex-start; align-items: flex-start; }

.chat-meta {
    display: flex;
    gap: 8px;
    font-size: 12px;
    color: #6c7a8a;
    padding: 0 4px;
}
.chat-sender { font-weight: 500; color: #4b5864; }

.chat-bubble {
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 14px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    box-shadow: 0 2px 6px rgba(30, 60, 120, 0.04);
}
.chat-message.mine .chat-bubble {
    background: #3366ff;
    color: #fff;
    border-bottom-right-radius: 2px;
}
.chat-message.peer .chat-bubble {
    background: #fff;
    color: #1f2933;
    border: 1px solid #e4e9f0;
    border-bottom-left-radius: 2px;
}

.chat-composer {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px 20px 18px;
    background: #fff;
}

.chat-composer textarea {
    width: 100%;
    resize: vertical;
    padding: 10px 12px;
    border: 1px solid #d6dde6;
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.55;
    background: #fbfcfe;
}
.chat-composer textarea:focus {
    outline: none;
    border-color: #3366ff;
    box-shadow: 0 0 0 3px rgba(51, 102, 255, 0.12);
    background: #fff;
}

.chat-composer-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.chat-hint {
    color: #e14d4d;
    font-size: 13px;
}