/* ============================================================
   Stating — iOS 26 Liquid Glass Style
   ============================================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }

:root {
    --primary: #5B8DEF;
    --primary-2: #4A90D9;
    --primary-grad: linear-gradient(135deg, #6FA0FF 0%, #4A90D9 100%);
    --primary-soft: rgba(91,142,239,.14);
    --bg: #EEF1F6;
    --ink: #1C1C1E;
    --ink-2: #3C3C43;
    --ink-3: #8E8E93;
    --ink-4: #AEAEB2;
    --bubble-in: #E9E9EB;
    --bubble-in-ink: #000;
    --glass-bg: rgba(255,255,255,.55);
    --glass-bg-strong: rgba(255,255,255,.72);
    --glass-border: rgba(255,255,255,.65);
    --glass-shadow: 0 8px 32px rgba(31,45,80,.12), inset 0 1px 1px rgba(255,255,255,.5);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --ease: cubic-bezier(.32,.72,0,1);
    --emoji-font: "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji","Twemoji Mozilla",sans-serif;
    --danger: #FF3B30;
    --danger-soft: rgba(255,59,48,.1);
    --success: #34C759;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input { font-family: inherit; }
a { color: inherit; }

/* ---------- 背景光斑 ---------- */
.bg-blobs { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.blob {
    position: absolute; border-radius: 50%;
    filter: blur(80px); opacity: .55;
    animation: float1 18s ease-in-out infinite alternate;
}
.b1 { width: 520px; height: 520px; background: radial-gradient(circle, #8FB5FF, transparent 70%); top: -160px; left: -120px; }
.b2 { width: 460px; height: 460px; background: radial-gradient(circle, #B8D4FF, transparent 70%); bottom: -140px; right: -100px; animation-name: float2; animation-duration: 22s; }
.b3 { width: 380px; height: 380px; background: radial-gradient(circle, #C5B8FF, transparent 70%); top: 40%; left: 55%; animation-name: float3; animation-duration: 26s; opacity: .4; }

@keyframes float1 { to { transform: translate(80px, 60px) scale(1.1); } }
@keyframes float2 { to { transform: translate(-70px, -50px) scale(1.08); } }
@keyframes float3 { to { transform: translate(-50px, 80px) scale(.95); } }

/* ---------- 液态玻璃核心 ---------- */
.glass {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--radius-lg);
}
.glass::before {
    content: "";
    position: absolute; inset: 0;
    border-radius: inherit;
    background: linear-gradient(180deg, rgba(255,255,255,.35) 0%, rgba(255,255,255,0) 40%);
    pointer-events: none;
}
.glass-strong {
    background: var(--glass-bg-strong);
    backdrop-filter: blur(40px) saturate(200%);
    -webkit-backdrop-filter: blur(40px) saturate(200%);
}
.glass-pill {
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 999px;
}
.glass-field {
    background: rgba(255,255,255,.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,.7);
    box-shadow: inset 0 1px 2px rgba(255,255,255,.6), 0 1px 4px rgba(31,45,80,.06);
    border-radius: var(--radius-sm);
}

/* ---------- 按钮 ---------- */
.btn-primary {
    width: 100%;
    padding: 14px 24px;
    border-radius: 999px;
    background: var(--primary-grad);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
    box-shadow: 0 6px 20px rgba(74,144,217,.35), inset 0 1px 1px rgba(255,255,255,.35);
    transition: transform .2s var(--ease), box-shadow .2s var(--ease), opacity .2s;
}
.btn-primary:active { transform: scale(.97); box-shadow: 0 3px 10px rgba(74,144,217,.3); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }

.btn-text {
    margin-top: 10px;
    padding: 8px 16px;
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
    border-radius: 999px;
    transition: background .2s;
}
.btn-text:hover { background: var(--primary-soft); }

.btn-ghost {
    margin-top: 20px;
    padding: 12px 36px;
    border-radius: 999px;
    background: rgba(255,255,255,.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.4);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    transition: all .2s var(--ease);
}
.btn-ghost:hover { background: rgba(255,255,255,.35); transform: translateY(-1px); }
.btn-ghost:active { transform: scale(.97); }

.btn-logout {
    margin-top: 24px;
    padding: 12px 32px;
    border-radius: 999px;
    background: rgba(255,59,48,.1);
    color: #FF3B30;
    font-size: 15px;
    font-weight: 600;
    border: 1px solid rgba(255,59,48,.2);
    transition: all .2s;
}
.btn-logout:hover { background: rgba(255,59,48,.18); }

.btn-delete-account {
    margin-top: 10px;
    width: 100%;
    padding: 12px 32px;
    border-radius: 999px;
    background: rgba(255,59,48,.06);
    color: #FF3B30;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(255,59,48,.15);
    transition: all .2s;
}
.btn-delete-account:hover { background: rgba(255,59,48,.14); }

.btn-danger {
    padding: 12px 28px;
    border-radius: 999px;
    background: linear-gradient(135deg, #FF6B6B 0%, #FF3B30 100%);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(255,59,48,.3);
    transition: transform .2s var(--ease);
}
.btn-danger:active { transform: scale(.97); }

/* ---------- 输入框 ---------- */
.field {
    display: flex; align-items: center;
    width: 100%;
    padding: 0 16px;
    height: 50px;
    margin-bottom: 12px;
    gap: 10px;
}
.field-icon { font-size: 18px; flex-shrink: 0; }
.field input {
    flex: 1; border: none; outline: none; background: none;
    font-size: 15px; color: var(--ink);
}
.field input::placeholder { color: var(--ink-4); }

/* ---------- 认证页 ---------- */
.auth-screen {
    position: relative; z-index: 1;
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
}
.auth-card {
    width: 100%; max-width: 400px;
    padding: 36px 32px 28px;
    text-align: center;
}
.auth-logo { margin-bottom: 24px; }
.logo-badge {
    width: 64px; height: 64px; margin: 0 auto 14px;
    border-radius: 18px;
    background: var(--primary-grad);
    color: #fff;
    font-size: 30px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 24px rgba(74,144,217,.4), inset 0 1px 2px rgba(255,255,255,.3);
}
.logo-badge.admin-badge {
    background: linear-gradient(135deg, #FFD700 0%, #FF9500 100%);
    box-shadow: 0 8px 24px rgba(255,149,0,.4), inset 0 1px 2px rgba(255,255,255,.3);
    font-size: 28px;
}
.auth-logo h1 { font-size: 28px; font-weight: 700; letter-spacing: -.5px; }
.auth-logo p { font-size: 14px; color: var(--ink-3); margin-top: 4px; }

.auth-tabs {
    display: flex;
    padding: 4px;
    margin-bottom: 20px;
    gap: 4px;
}
.auth-tab {
    flex: 1; padding: 10px; border-radius: 999px;
    font-size: 15px; font-weight: 600; color: var(--ink-3);
    transition: all .25s var(--ease);
}
.auth-tab.active {
    background: var(--primary-grad);
    color: #fff;
    box-shadow: 0 4px 12px rgba(74,144,217,.3);
}

.auth-form { display: none; }
.auth-form.active { display: block; }
.auth-hint { text-align: center; font-size: 12px; color: var(--ink-4); margin-top: 10px; }
.auth-error { color: #FF3B30; font-size: 13px; margin-top: 10px; min-height: 18px; }

/* 头像选择 */
.avatar-section { margin: 4px 0 16px; text-align: left; }
.avatar-label { font-size: 13px; color: var(--ink-3); margin-bottom: 8px; font-weight: 500; }
.avatar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
    margin-bottom: 10px;
}
.avatar-opt {
    aspect-ratio: 1;
    border-radius: 12px;
    font-size: 22px;
    background: rgba(255,255,255,.5);
    border: 2px solid transparent;
    transition: all .15s var(--ease);
    display: flex; align-items: center; justify-content: center;
}
.avatar-opt:hover { background: rgba(255,255,255,.8); transform: scale(1.08); }
.avatar-opt.selected {
    border-color: var(--primary);
    background: var(--primary-soft);
    box-shadow: 0 0 0 3px rgba(91,142,239,.18);
}
.avatar-opt img { width: 100%; height: 100%; border-radius: 10px; object-fit: cover; }

.avatar-upload-btn {
    width: 100%;
    padding: 10px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,.5);
    border: 1px dashed rgba(91,142,239,.4);
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
    transition: all .2s;
}
.avatar-upload-btn:hover { background: var(--primary-soft); border-color: var(--primary); }
.avatar-upload-btn.has-photo { border-style: solid; background: var(--primary-soft); }

/* ---------- 主应用布局 ---------- */
.main-app {
    position: relative; z-index: 1;
    min-height: 100vh;
    display: flex; flex-direction: column;
}

/* 顶部导航 */
.topbar-wrap { padding: 14px 20px 0; }
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 8px 8px 20px;
    max-width: 1100px; margin: 0 auto;
}
.brand {
    font-size: 20px; font-weight: 700;
    background: var(--primary-grad);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nav-items { display: flex; gap: 2px; position: relative; }
.nav-item {
    display: flex; align-items: center; gap: 6px;
    padding: 9px 18px; border-radius: 999px;
    font-size: 14px; font-weight: 500; color: var(--ink-3);
    transition: all .25s var(--ease);
    position: relative;
}
.nav-item svg { width: 18px; height: 18px; }
.nav-item:hover { color: var(--ink); background: rgba(255,255,255,.4); }
.nav-item.active {
    background: var(--primary-grad);
    color: #fff;
    box-shadow: 0 4px 14px rgba(74,144,217,.32);
}
.nav-badge {
    position: absolute; top: 2px; right: 4px;
    min-width: 18px; height: 18px; padding: 0 5px;
    border-radius: 999px;
    background: #FF3B30; color: #fff;
    font-size: 11px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    border: 2px solid rgba(255,255,255,.8);
}

/* 视图容器 */
.views {
    flex: 1;
    max-width: 1100px; width: 100%;
    margin: 0 auto;
    padding: 18px 20px 10px;
    overflow-y: auto;
}
.view { display: none; animation: fadeUp .35s var(--ease); }
.view.active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- 首页 ---------- */
.home-hero {
    text-align: center;
    padding: 44px 32px 40px;
    background: var(--primary-grad);
    color: #fff;
    margin-bottom: 20px;
}
.home-hero::before { background: linear-gradient(180deg, rgba(255,255,255,.25), transparent 50%); }
.hero-avatar {
    width: 72px; height: 72px; margin: 0 auto 16px;
    border-radius: 50%;
    background: rgba(255,255,255,.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,.5);
    display: flex; align-items: center; justify-content: center;
    font-size: 36px;
    box-shadow: 0 4px 16px rgba(0,0,0,.1);
    overflow: hidden;
}
.hero-avatar img { width: 100%; height: 100%; object-fit: cover; }
.home-hero h1 { font-size: 30px; font-weight: 700; margin-bottom: 8px; }
.home-hero p { font-size: 15px; opacity: .9; }
.hero-sub { font-size: 13px !important; opacity: .75 !important; margin-top: 4px; }

.feature-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.feature-card {
    padding: 24px 20px;
    text-align: center;
    transition: transform .2s var(--ease);
}
.feature-card:hover { transform: translateY(-3px); }
.fc-icon { font-size: 32px; margin-bottom: 10px; }
.feature-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.feature-card p { font-size: 13px; color: var(--ink-3); line-height: 1.5; }

/* ---------- 邀请码页 ---------- */
.invite-gate {
    min-height: calc(100vh - 180px);
    display: flex; align-items: center; justify-content: center;
    padding: 20px 0;
}
.gate-wrap { width: 100%; max-width: 400px; }
.invite-card {
    padding: 36px 32px 28px;
    text-align: center;
}
.invite-icon { font-size: 44px; margin-bottom: 12px; }
.invite-card h2 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.invite-card > p { font-size: 14px; color: var(--ink-3); margin-bottom: 22px; }

/* OTP 六个小方块 */
.otp-inputs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}
.otp-box {
    width: 46px; height: 56px;
    text-align: center;
    font-size: 22px;
    font-weight: 600;
    color: var(--ink);
    border-radius: 14px;
    background: rgba(255,255,255,.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 2px solid rgba(255,255,255,.8);
    box-shadow: inset 0 1px 2px rgba(255,255,255,.6), 0 2px 8px rgba(31,45,80,.06);
    outline: none;
    transition: all .15s var(--ease);
    text-transform: uppercase;
}
.otp-box:focus {
    border-color: var(--primary);
    background: rgba(255,255,255,.85);
    box-shadow: 0 0 0 4px rgba(91,142,239,.18), inset 0 1px 2px rgba(255,255,255,.6);
    transform: scale(1.05);
}
.otp-box.filled {
    border-color: rgba(91,142,239,.4);
    background: rgba(91,142,239,.08);
}
.otp-inputs.shake .otp-box {
    border-color: #FF3B30;
    animation: shake .4s var(--ease);
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}
.invite-error { color: #FF3B30; font-size: 13px; min-height: 20px; margin-bottom: 8px; }

/* ---------- 聊天室 ---------- */
.chat-room {
    display: flex;
    gap: 14px;
    height: calc(100vh - 160px);
    min-height: 480px;
    position: relative;
}

/* 在线面板 */
.online-panel {
    width: 220px;
    flex-shrink: 0;
    padding: 18px 14px;
    display: flex; flex-direction: column;
    overflow: hidden;
}
.op-header {
    text-align: center;
    padding-bottom: 14px;
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(0,0,0,.06);
}
.op-group-avatar {
    width: 56px; height: 56px; margin: 0 auto 8px;
    border-radius: 50%;
    background: var(--primary-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    border: 2px solid rgba(255,255,255,.6);
    box-shadow: 0 2px 8px rgba(31,45,80,.08);
}
.op-group-name { font-size: 15px; font-weight: 700; }
.op-group-code { font-size: 11px; color: var(--ink-4); margin-top: 2px; letter-spacing: 1px; }
.op-title { font-size: 12px; color: var(--ink-3); margin-bottom: 8px; font-weight: 600; }
.op-count {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 20px; height: 20px; padding: 0 6px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 11px; font-weight: 700;
}
.online-list { flex: 1; overflow-y: auto; }
.online-user {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 6px;
    border-radius: var(--radius-sm);
    transition: background .15s;
}
.online-user:hover { background: rgba(255,255,255,.4); }
.ou-avatar {
    position: relative;
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,.6);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    overflow: hidden;
}
.ou-avatar img { width: 100%; height: 100%; object-fit: cover; }
.ou-dot {
    position: absolute; right: 0; bottom: 0;
    width: 11px; height: 11px;
    border-radius: 50%;
    background: #34C759;
    border: 2px solid rgba(255,255,255,.9);
}
.ou-name { font-size: 14px; font-weight: 500; }
.ou-self { color: var(--primary); font-size: 12px; }
.ou-status { font-size: 12px; color: var(--ink-4); }
.online-toggle {
    display: none;
    position: absolute; top: 10px; left: 10px; z-index: 20;
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    font-size: 18px;
}

/* 聊天主区 */
.chat-main {
    flex: 1;
    display: flex; flex-direction: column;
    min-width: 0;
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
    position: relative;
}

.chat-header {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 18px;
    border-radius: 0;
    border: none;
    border-bottom: 1px solid rgba(0,0,0,.05);
    box-shadow: none;
    position: relative;
    z-index: 5;
}
.chat-header::before { display: none; }
.back-btn {
    width: 36px; height: 36px; border-radius: 50%;
    font-size: 26px; line-height: 1;
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    transition: background .15s;
    flex-shrink: 0;
}
.back-btn:hover { background: var(--primary-soft); }
.ch-avatar {
    width: 42px; height: 42px; border-radius: 50%;
    background: var(--primary-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    overflow: hidden;
}
.ch-avatar img { width: 100%; height: 100%; object-fit: cover; }
.ch-info { flex: 1; min-width: 0; }
.ch-name { font-size: 16px; font-weight: 700; }
.ch-status { font-size: 12px; color: var(--ink-3); }
.ch-avatars { display: flex; }
.ch-avatars .ha {
    width: 30px; height: 30px; border-radius: 50%;
    background: rgba(255,255,255,.7);
    border: 2px solid rgba(255,255,255,.9);
    display: flex; align-items: center; justify-content: center;
    font-size: 15px;
    margin-left: -8px;
    overflow: hidden;
}
.ch-avatars .ha:first-child { margin-left: 0; }
.ch-avatars .ha img { width: 100%; height: 100%; object-fit: cover; }

/* 消息区 */
.messages {
    flex: 1;
    overflow-y: auto;
    padding: 18px;
    display: flex; flex-direction: column;
    gap: 2px;
    scroll-behavior: smooth;
}
.day-sep { text-align: center; margin: 12px 0 8px; }
.day-sep span {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,.6);
    backdrop-filter: blur(10px);
    font-size: 12px; color: var(--ink-3); font-weight: 500;
}

.msg-row {
    display: flex; gap: 8px;
    max-width: 78%;
    animation: msgIn .3s var(--ease);
}
@keyframes msgIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.msg-row.me { align-self: flex-end; flex-direction: row-reverse; }
.msg-row.other { align-self: flex-start; }
.msg-row.grouped { margin-top: 1px; }
.msg-row.grouped .msg-avatar,
.msg-row.grouped .msg-sender { visibility: hidden; }

.msg-avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: rgba(255,255,255,.6);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    align-self: flex-end;
    overflow: hidden;
}
.msg-avatar img { width: 100%; height: 100%; object-fit: cover; }
.msg-body { display: flex; flex-direction: column; min-width: 0; }
.msg-row.me .msg-body { align-items: flex-end; }
.msg-sender { font-size: 12px; color: var(--ink-3); margin: 0 12px 3px; font-weight: 500; }

.bubble {
    position: relative;
    padding: 9px 15px;
    font-size: 15px;
    line-height: 1.45;
    word-break: break-word;
    white-space: pre-wrap;
    border-radius: 20px;
    box-shadow: 0 1px 2px rgba(31,45,80,.08);
}
.msg-row:not(.grouped) .bubble { margin-bottom: 3px; }

.bubble.in {
    background: var(--bubble-in);
    color: var(--bubble-in-ink);
    border-bottom-left-radius: 8px;
}
.bubble.out {
    background: var(--primary-grad);
    color: #fff;
    border-bottom-right-radius: 8px;
    box-shadow: 0 2px 8px rgba(74,144,217,.25);
}

/* 气泡小尾巴 */
.msg-row:not(.grouped).other .bubble.in::before {
    content: ""; position: absolute; left: -6px; bottom: 2px;
    width: 16px; height: 16px;
    background: var(--bubble-in);
    border-radius: 50%;
    z-index: -1;
}
.msg-row:not(.grouped).other .bubble.in::after {
    content: ""; position: absolute; left: -2px; bottom: 0;
    width: 10px; height: 10px;
    background: var(--bubble-in);
    border-bottom-right-radius: 10px;
    z-index: -1;
}
.msg-row:not(.grouped).me .bubble.out::before {
    content: ""; position: absolute; right: -6px; bottom: 2px;
    width: 16px; height: 16px;
    background: var(--primary-2);
    border-radius: 50%;
    z-index: -1;
}
.msg-row:not(.grouped).me .bubble.out::after {
    content: ""; position: absolute; right: -2px; bottom: 0;
    width: 10px; height: 10px;
    background: var(--primary-2);
    border-bottom-left-radius: 10px;
    z-index: -1;
}

/* 消息中的链接 */
.bubble a.msg-link {
    color: #4A7DCC;
    text-decoration: underline;
    word-break: break-all;
}
.bubble.out a.msg-link {
    color: #E8F0FF;
    text-decoration: underline;
}

/* 图片气泡 */
.bubble.image {
    padding: 3px;
    background: none;
    box-shadow: 0 2px 10px rgba(31,45,80,.12);
    overflow: hidden;
    cursor: pointer;
}
.bubble.image img {
    display: block;
    max-width: 240px;
    max-height: 280px;
    border-radius: 17px;
    object-fit: cover;
}

.msg-time {
    font-size: 11px; color: var(--ink-4);
    margin: 2px 10px 0;
}
.read-receipt {
    font-size: 11px; color: var(--ink-4);
    margin: 2px 10px 0;
    min-height: 14px;
    display: flex; align-items: center; gap: 3px;
}
.read-receipt.read { color: var(--primary); font-weight: 500; }
.read-receipt svg { width: 14px; height: 14px; }

/* 输入中 */
.typing-wrap { padding: 0 18px 6px; }
.typing-bubble {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 14px;
    background: var(--bubble-in);
    border-radius: 18px;
    border-bottom-left-radius: 6px;
    font-size: 13px; color: var(--ink-3);
}
.typing-name { font-weight: 500; }
.typing-dots { display: inline-flex; gap: 3px; }
.typing-dots i {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--ink-4);
    animation: typingBounce 1.2s infinite;
}
.typing-dots i:nth-child(2) { animation-delay: .2s; }
.typing-dots i:nth-child(3) { animation-delay: .4s; }
@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: .5; }
    30% { transform: translateY(-5px); opacity: 1; }
}

/* 输入栏 */
.composer-wrap { position: relative; padding: 10px 14px 14px; }
.composer {
    display: flex; align-items: flex-end; gap: 6px;
    padding: 7px 8px 7px 10px;
}
.composer-btn {
    width: 36px; height: 36px; border-radius: 50%;
    font-size: 20px;
    display: flex; align-items: center; justify-content: center;
    transition: background .15s, transform .15s;
    flex-shrink: 0;
}
.composer-btn:hover { background: rgba(0,0,0,.05); }
.composer-btn:active { transform: scale(.9); }
.composer-input {
    flex: 1;
    max-height: 120px;
    min-height: 36px;
    overflow-y: auto;
    padding: 7px 12px;
    font-size: 15px;
    line-height: 1.4;
    outline: none;
    border-radius: 18px;
    background: rgba(255,255,255,.6);
    word-break: break-word;
}
.composer-input:empty::before {
    content: attr(data-placeholder);
    color: var(--ink-4);
}
.composer-input::-webkit-scrollbar { width: 0; }

.send-btn {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--primary-grad);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 3px 10px rgba(74,144,217,.3);
    transition: all .2s var(--ease);
}
.send-btn svg { width: 18px; height: 18px; }
.send-btn:disabled {
    background: rgba(120,120,128,.2);
    box-shadow: none;
    color: #fff;
}
.send-btn:not(:disabled):active { transform: scale(.9); }

/* Emoji 面板 */
.emoji-panel {
    position: absolute;
    bottom: 62px; left: 14px;
    width: 300px; max-width: calc(100% - 28px);
    padding: 12px;
    border-radius: var(--radius-md);
    z-index: 30;
    animation: fadeUp .2s var(--ease);
}
.emoji-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 2px;
    max-height: 180px;
    overflow-y: auto;
}
.emoji-grid button {
    aspect-ratio: 1;
    font-size: 22px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    transition: background .1s, transform .1s;
}
.emoji-grid button:hover { background: var(--primary-soft); transform: scale(1.2); }

/* ---------- 用户列表 ---------- */
.users-header {
    text-align: center;
    padding: 28px 32px;
    margin-bottom: 18px;
}
.users-header h2 { font-size: 22px; font-weight: 700; }
.users-header p { font-size: 13px; color: var(--ink-3); margin-top: 6px; }

.users-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}
.user-card {
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: transform .2s var(--ease);
}
.user-card.clickable { cursor: pointer; }
.user-card.clickable:hover { transform: translateY(-2px); }
.uc-avatar {
    position: relative;
    width: 52px; height: 52px;
    border-radius: 50%;
    background: var(--primary-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    flex-shrink: 0;
    overflow: hidden;
    border: 2px solid rgba(255,255,255,.6);
}
.uc-avatar img { width: 100%; height: 100%; object-fit: cover; }
.uc-dot {
    position: absolute; right: -1px; bottom: -1px;
    width: 14px; height: 14px;
    border-radius: 50%;
    border: 2.5px solid rgba(255,255,255,.9);
}
.uc-dot.online { background: var(--success); }
.uc-dot.offline { background: var(--ink-4); }
.uc-info { flex: 1; min-width: 0; }
.uc-name {
    font-size: 15px; font-weight: 600;
    display: flex; align-items: center; gap: 6px;
}
.uc-name .uc-admin-tag {
    font-size: 10px;
    background: linear-gradient(135deg, #FFD700, #FF9500);
    color: #fff;
    padding: 1px 6px;
    border-radius: 999px;
    font-weight: 700;
}
.uc-meta { font-size: 12px; color: var(--ink-3); margin-top: 3px; }
.uc-status { font-size: 12px; margin-top: 2px; }
.uc-status.online { color: var(--success); font-weight: 500; }
.uc-status.offline { color: var(--ink-4); }
.uc-arrow {
    color: var(--ink-4);
    font-size: 20px;
    flex-shrink: 0;
}

/* ---------- 个人资料 ---------- */
.profile-card {
    max-width: 460px;
    margin: 20px auto;
    padding: 36px 32px 28px;
    text-align: center;
}
.profile-avatar {
    width: 90px; height: 90px; margin: 0 auto 14px;
    border-radius: 50%;
    background: var(--primary-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 44px;
    border: 3px solid rgba(255,255,255,.7);
    box-shadow: 0 6px 20px rgba(31,45,80,.12);
    overflow: hidden;
}
.profile-avatar img { width: 100%; height: 100%; object-fit: cover; }
.profile-card h2 { font-size: 22px; font-weight: 700; }
.profile-card > p { font-size: 13px; color: var(--ink-4); margin-top: 4px; }

.admin-tag {
    display: inline-block;
    margin-top: 8px;
    padding: 4px 14px;
    border-radius: 999px;
    background: linear-gradient(135deg, #FFD700 0%, #FF9500 100%);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 3px 10px rgba(255,149,0,.3);
}

.profile-list {
    margin-top: 22px;
    text-align: left;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,.4);
    overflow: hidden;
}
.profile-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid rgba(0,0,0,.05);
}
.profile-row:last-child { border-bottom: none; }
.pr-label { font-size: 14px; color: var(--ink-2); }
.pr-value {
    font-size: 14px; color: var(--ink-3);
    max-width: 55%; text-align: right;
    display: flex; align-items: center; gap: 6px;
}
.pr-value .pr-avatar-emoji { font-size: 20px; }
.pr-value img { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; }

/* 我的群聊 */
.my-groups {
    max-width: 460px;
    margin: 0 auto 20px;
    padding: 24px 24px 20px;
}
.my-groups h3 { font-size: 17px; font-weight: 700; margin-bottom: 14px; }
.my-groups-list { display: flex; flex-direction: column; gap: 8px; }
.mg-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,.45);
    transition: all .2s var(--ease);
    cursor: pointer;
}
.mg-item:hover { background: rgba(255,255,255,.7); transform: translateX(3px); }
.mg-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--primary-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    overflow: hidden;
}
.mg-avatar img { width: 100%; height: 100%; object-fit: cover; }
.mg-info { flex: 1; min-width: 0; }
.mg-name { font-size: 14px; font-weight: 600; }
.mg-code { font-size: 11px; color: var(--ink-4); letter-spacing: 1px; margin-top: 2px; }
.mg-time { font-size: 12px; color: var(--ink-3); flex-shrink: 0; }
.mg-empty { text-align: center; padding: 20px; color: var(--ink-4); font-size: 13px; }

/* ---------- 管理员面板 ---------- */
.admin-overlay {
    position: fixed; inset: 0; z-index: 200;
    background: rgba(0,0,0,.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
    animation: fadeIn .2s;
}
.admin-panel, .admin-msg-panel {
    width: 100%; max-width: 520px;
    max-height: 85vh;
    display: flex; flex-direction: column;
    overflow: hidden;
    animation: panelIn .3s var(--ease);
}
.admin-msg-panel { max-width: 560px; }
@keyframes panelIn { from { opacity: 0; transform: scale(.95) translateY(10px); } to { opacity: 1; transform: none; } }

.ap-header {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 18px;
    border-bottom: 1px solid rgba(0,0,0,.06);
    position: relative;
}
.ap-header::before { display: none; }
.ap-back, .ap-close {
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; color: var(--ink-3);
    transition: background .15s;
    flex-shrink: 0;
}
.ap-back { font-size: 26px; }
.ap-back:hover, .ap-close:hover { background: rgba(0,0,0,.06); }
.ap-title {
    flex: 1;
    display: flex; align-items: center; gap: 12px;
    min-width: 0;
}
.ap-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--primary-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    overflow: hidden;
}
.ap-avatar img { width: 100%; height: 100%; object-fit: cover; }
.ap-name { font-size: 16px; font-weight: 700; }
.ap-phone { font-size: 12px; color: var(--ink-4); }

.ap-body {
    flex: 1;
    overflow-y: auto;
    padding: 18px;
}
.ap-info {
    padding: 14px 18px;
    margin-bottom: 18px;
}
.ap-info-row {
    display: flex; justify-content: space-between;
    padding: 6px 0;
    font-size: 13px;
}
.ap-info-row span:first-child { color: var(--ink-3); }
.ap-info-row span:last-child { font-weight: 500; }
.ap-section-title {
    font-size: 14px; font-weight: 600;
    color: var(--ink-2);
    margin-bottom: 10px;
}
.ap-groups { display: flex; flex-direction: column; gap: 8px; }
.ap-group {
    padding: 14px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,.5);
    border: 1px solid rgba(255,255,255,.6);
}
.ap-group-head {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 10px;
}
.apg-avatar {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: var(--primary-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 19px;
    flex-shrink: 0;
}
.apg-info { flex: 1; min-width: 0; }
.apg-name { font-size: 14px; font-weight: 600; }
.apg-meta { font-size: 11px; color: var(--ink-4); margin-top: 2px; }
.ap-group-actions {
    display: flex; gap: 8px; flex-wrap: wrap;
}
.ap-btn {
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    transition: all .15s;
}
.ap-btn-view {
    background: var(--primary-soft);
    color: var(--primary);
}
.ap-btn-view:hover { background: rgba(91,142,239,.22); }
.ap-btn-clear {
    background: rgba(255,149,0,.12);
    color: #FF9500;
}
.ap-btn-clear:hover { background: rgba(255,149,0,.22); }
.ap-btn-delete {
    background: rgba(255,59,48,.1);
    color: #FF3B30;
}
.ap-btn-delete:hover { background: rgba(255,59,48,.2); }
.ap-empty { text-align: center; padding: 24px; color: var(--ink-4); font-size: 13px; }

/* 管理员消息查看器 */
.admin-messages {
    flex: 1;
    overflow-y: auto;
    padding: 18px;
    display: flex; flex-direction: column;
    gap: 2px;
    background: rgba(255,255,255,.3);
}
.admin-messages .msg-row { max-width: 85%; pointer-events: none; }
.admin-messages .bubble.image img { cursor: default; }

/* ---------- 确认对话框 ---------- */
.confirm-overlay {
    position: fixed; inset: 0; z-index: 300;
    background: rgba(0,0,0,.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
    animation: fadeIn .2s;
}
.confirm-card {
    width: 100%; max-width: 340px;
    padding: 28px 24px 20px;
    text-align: center;
    animation: panelIn .3s var(--ease);
}
.confirm-icon { font-size: 40px; margin-bottom: 12px; }
.confirm-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.confirm-card p { font-size: 14px; color: var(--ink-3); line-height: 1.5; margin-bottom: 20px; }
.confirm-btns { display: flex; gap: 10px; }
.confirm-btns .btn-ghost {
    margin-top: 0;
    flex: 1;
    padding: 11px 20px;
    background: rgba(0,0,0,.05);
    color: var(--ink-2);
    border: 1px solid rgba(0,0,0,.08);
}
.confirm-btns .btn-ghost:hover { background: rgba(0,0,0,.08); }
.confirm-btns .btn-danger { flex: 1; }

/* ---------- 图片查看器 ---------- */
.lightbox {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(0,0,0,.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex; align-items: center; justify-content: center;
    padding: 30px;
    animation: fadeIn .2s;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.lightbox img {
    max-width: 100%; max-height: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,.5);
}

/* ---------- 页脚 ---------- */
.footer {
    text-align: center;
    padding: 14px;
    font-size: 12px;
    color: var(--ink-4);
    position: relative; z-index: 1;
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,.15); border-radius: 3px; }
::-webkit-scrollbar-track { background: transparent; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 760px) {
    .topbar-wrap { padding: 10px 12px 0; }
    .topbar { padding: 6px 6px 6px 16px; }
    .brand { font-size: 17px; }
    .nav-item { padding: 8px 12px; font-size: 0; gap: 0; }
    .nav-item svg { width: 20px; height: 20px; }
    .nav-item span { font-size: 10px; display: block; }
    .nav-item { flex-direction: column; gap: 2px; padding: 6px 14px; }
    .nav-badge { top: 0; right: 6px; }

    .views { padding: 12px 12px 8px; }
    .home-hero { padding: 32px 20px; }
    .home-hero h1 { font-size: 24px; }
    .feature-cards { grid-template-columns: 1fr; gap: 10px; }
    .feature-card { padding: 18px 16px; }

    .chat-room {
        height: calc(100vh - 140px);
        gap: 0;
    }
    .online-panel {
        position: absolute;
        top: 0; left: 0; bottom: 0;
        width: 240px;
        z-index: 25;
        border-radius: var(--radius-lg);
        transform: translateX(-110%);
        transition: transform .3s var(--ease);
    }
    .online-panel.show { transform: translateX(0); }
    .online-toggle { display: flex; align-items: center; justify-content: center; }

    .messages { padding: 14px 12px; }
    .msg-row { max-width: 85%; }
    .bubble.image img { max-width: 200px; max-height: 240px; }

    .chat-header { padding: 10px 12px; }
    .ch-avatars { display: none; }

    .composer-wrap { padding: 8px 10px 12px; }
    .emoji-panel { width: calc(100% - 20px); left: 10px; }

    .otp-box { width: 40px; height: 50px; font-size: 20px; }
    .avatar-grid { grid-template-columns: repeat(7, 1fr); }

    .profile-card { padding: 28px 20px; }
    .my-groups { padding: 20px 16px; }

    .users-list { grid-template-columns: 1fr; }
    .admin-panel, .admin-msg-panel { max-height: 90vh; }
}

@media (max-width: 380px) {
    .otp-box { width: 36px; height: 46px; font-size: 18px; }
    .otp-inputs { gap: 5px; }
    .avatar-grid { grid-template-columns: repeat(6, 1fr); }
    .emoji-grid { grid-template-columns: repeat(7, 1fr); }
    .nav-item { padding: 6px 10px; }
}