:root {
    --primary: #16a34a;
    --primary-dark: #15803d;
    --primary-soft: #dcfce7;
    --accent: #0ea5e9;
    --accent-soft: #e0f2fe;
    --gold: #f59e0b;
    --bg: #f8fafc;
    --surface: #ffffff;
    --surface-soft: #eef7f1;
    --text: #0f172a;
    --muted: #64748b;
    --line: #dbe5df;
    --danger: #ef4444;
    --warning: #f59e0b;
    --shadow: 0 18px 45px rgba(15, 23, 42, .10);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: "Noto Sans", "Noto Sans Arabic", "Noto Kufi Arabic", "Segoe UI", "Tahoma", "Arial", "Geeza Pro", "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
    background: var(--bg);
    color: var(--text);
    letter-spacing: 0;
    text-rendering: geometricPrecision;
    -webkit-font-smoothing: antialiased;
}
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }

.auth-screen {
    min-height: 100%;
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        linear-gradient(135deg, rgba(248,250,252,.88), rgba(240,253,244,.88)),
        url("../img/bchat-doodle.svg");
    background-size: auto, 360px 360px;
}
.auth-shell { width: min(420px, 100%); }
.auth-panel {
    position: relative;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 24px 70px rgba(15, 23, 42, .14);
    padding: 30px;
}
.auth-panel::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 6px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--gold));
}
.brand-mark {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--primary), #0f766e);
    color: white;
    border-radius: 8px;
    font-size: 26px;
    font-weight: 800;
    box-shadow: 0 14px 26px rgba(22, 163, 74, .28);
}
.auth-panel h1 { margin: 18px 0 6px; font-size: 30px; font-weight: 900; }
.auth-panel p { margin: 0 0 22px; color: var(--muted); line-height: 1.8; }
.stack { display: grid; gap: 14px; }
label { display: grid; gap: 7px; color: var(--text); font-weight: 700; }
input, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px 13px;
    background: #fff;
    color: var(--text);
    outline: none;
}
select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px 13px;
    background: #fff;
    color: var(--text);
    outline: none;
}
input:not([type="tel"]):not([type="password"]), textarea { direction: auto; unicode-bidi: plaintext; }
input:focus, textarea:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22, 163, 74, .14); }
.primary-btn, .send-btn {
    border: 0;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 12px 16px;
    font-weight: 800;
    box-shadow: 0 10px 22px rgba(22, 163, 74, .18);
}
.primary-btn:hover, .send-btn:hover { background: var(--primary-dark); }
.muted-link { color: var(--muted); text-decoration: none; font-weight: 700; }
.muted-link:hover { color: var(--primary-dark); }
.form-message { min-height: 24px; color: var(--danger); font-weight: 700; }
.auth-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.auth-methods label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    font-weight: 800;
    transition: transform .16s ease, border-color .16s ease, background .16s ease;
}
.auth-methods label:has(input:checked) {
    border-color: rgba(22, 163, 74, .45);
    background: var(--surface-soft);
    color: var(--primary-dark);
}
.auth-methods label:hover { transform: translateY(-1px); }
.method-panel.hidden { display: none; }
.phone-split {
    display: grid;
    grid-template-columns: minmax(142px, .65fr) minmax(0, 1fr);
    gap: 8px;
}
.country-code-input {
    direction: ltr;
    text-align: start;
}

.chat-screen { overflow: hidden; }
.chat-layout {
    height: 100vh;
    height: 100dvh;
    display: grid;
    grid-template-columns: 330px minmax(0, 1fr) 300px;
    background:
        linear-gradient(135deg, rgba(248,250,252,.92), rgba(240,253,244,.92)),
        url("../img/bchat-doodle.svg");
    background-size: auto, 420px 420px;
}
.sidebar, .details-pane {
    min-width: 0;
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(12px);
    border-inline-end: 1px solid var(--line);
    display: flex;
    flex-direction: column;
}
.details-pane {
    border-inline-start: 1px solid var(--line);
    border-inline-end: 0;
    padding: 18px;
    gap: 18px;
    overflow: auto;
}
.sidebar-header, .conversation-header {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-header span, .conversation-header span { color: var(--muted); font-size: 13px; }
.conversation-header h1 {
    margin: 0 0 3px;
    font-size: 20px;
    line-height: 1.3;
}
.icon-btn {
    min-width: 42px;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    place-items: center;
    text-decoration: none;
    background: white;
    font-weight: 900;
    transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.icon-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(22, 163, 74, .4);
    background: var(--surface-soft);
}
.toolbar, .quick-actions {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    padding: 10px;
}
.toolbar {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--surface);
}
.quick-actions { grid-template-columns: 1fr 1fr; }
.tool-btn, .quick-actions button, .search-box button {
    border: 1px solid var(--line);
    background: white;
    border-radius: 8px;
    padding: 9px 8px;
    font-weight: 700;
    color: var(--text);
}
.tool-btn.active, .quick-actions button:hover, .search-box button:hover {
    background: var(--surface-soft);
    border-color: rgba(22, 163, 74, .35);
    color: var(--primary-dark);
}
.search-box {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    padding: 0 10px 10px;
}
.mini-result { padding: 0 12px 10px; color: var(--muted); font-size: 13px; }
.mini-result button { margin-inline-start: 8px; }
.conversation-list {
    overflow: auto;
    padding: 8px;
    display: grid;
    gap: 6px;
}
.conversation-item {
    border: 1px solid transparent;
    background: white;
    border-radius: 8px;
    padding: 12px;
    text-align: start;
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    align-items: center;
    gap: 10px;
}
.conversation-item:hover, .conversation-item.active {
    border-color: rgba(22, 163, 74, .35);
    background: var(--surface-soft);
}
.conversation-item strong {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    font-size: 15px;
}
.conversation-item p {
    margin: 6px 0 0;
    color: var(--muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.conversation-thumb,
.conversation-avatar {
    overflow: hidden;
}
.conversation-thumb img,
.conversation-avatar img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    border-radius: inherit;
}
.conversation-copy {
    min-width: 0;
    display: grid;
}
.badge {
    min-width: 22px;
    height: 22px;
    padding: 0 7px;
    border-radius: 999px;
    display: inline-grid;
    place-items: center;
    background: var(--primary);
    color: white;
    font-size: 12px;
}
.conversation-pane {
    min-width: 0;
    display: grid;
    grid-template-rows: auto 1fr auto;
    background:
        linear-gradient(rgba(237, 243, 240, .86), rgba(237, 243, 240, .86)),
        url("../img/bchat-doodle.svg");
    background-size: auto, 380px 380px;
}
.message-list {
    overflow: auto;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.empty-state {
    margin: auto;
    color: var(--muted);
    text-align: center;
    line-height: 1.8;
}
.message {
    max-width: min(680px, 82%);
    padding: 10px 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 8px 22px rgba(15, 23, 42, .08);
    border: 1px solid rgba(219, 229, 223, .75);
}
.message.mine {
    align-self: flex-start;
    background: linear-gradient(135deg, #dcfce7, #bbf7d0);
}
.message-text {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    line-height: 1.7;
    unicode-bidi: plaintext;
}
.message .meta {
    display: flex;
    gap: 8px;
    align-items: center;
    color: var(--muted);
    font-size: 12px;
    margin-top: 6px;
}
.message img {
    display: block;
    max-width: 260px;
    border-radius: 8px;
    margin-top: 8px;
}
.file-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    padding: 8px 10px;
    border-radius: 8px;
    background: rgba(15, 23, 42, .06);
    text-decoration: none;
}
.composer {
    display: grid;
    grid-template-columns: 44px 1fr auto;
    gap: 10px;
    padding: 12px 12px calc(12px + var(--safe-bottom));
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--line);
}
.composer textarea {
    resize: none;
    min-height: 44px;
    max-height: 120px;
}
.attach-btn {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--primary-dark);
    font-size: 24px;
}
.attach-btn input { display: none; }
.send-btn { height: 44px; }
.details-pane h2 { margin: 0 0 10px; font-size: 16px; }
.details-pane section {
    border-bottom: 1px solid var(--line);
    padding-bottom: 18px;
}
.simple-page { min-height: 100%; padding: 24px; }
.simple-page {
    background:
        linear-gradient(135deg, rgba(248,250,252,.9), rgba(240,253,244,.9)),
        url("../img/bchat-doodle.svg");
    background-size: auto, 420px 420px;
}
.simple-shell {
    width: min(760px, 100%);
    margin: 0 auto;
    background: rgba(255, 255, 255, .95);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 24px;
}
.admin-section {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
    margin-top: 16px;
}
.admin-section h2 {
    margin: 0 0 12px;
    font-size: 18px;
}
.page-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 18px;
}
.ghost-btn {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    padding: 10px 12px;
    text-decoration: none;
    font-weight: 800;
}
.message-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}
.message-actions button {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255,255,255,.72);
    padding: 5px 8px;
    font-size: 12px;
}
.simple-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}
.simple-row > div {
    display: grid;
    gap: 5px;
}
.simple-row span {
    color: var(--muted);
    font-size: 13px;
}
.check-row {
    display: flex;
    grid-template-columns: none;
    align-items: center;
    gap: 10px;
    font-weight: 800;
}
.check-row input {
    width: auto;
}
.settings-shell {
    width: min(920px, 100%);
}
.privacy-card,
.share-card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(240,253,244,.72), rgba(255,255,255,.92));
    padding: 16px;
}
.privacy-card h2,
.share-card h2 {
    margin: 0 0 12px;
    font-size: 18px;
}
.privacy-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}
.privacy-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    margin-top: 14px;
}
.share-card {
    display: grid;
    gap: 12px;
}
.share-link-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: center;
}
.profile-code {
    justify-self: start;
    border: 1px solid rgba(22, 163, 74, .24);
    border-radius: 8px;
    background: rgba(22, 163, 74, .08);
    color: var(--primary-dark);
    padding: 7px 10px;
    font-weight: 900;
    letter-spacing: 0;
}
.mobile-only { display: none; }

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f172a;
        --surface: #111827;
        --surface-soft: #123123;
        --text: #f8fafc;
        --muted: #94a3b8;
        --line: #233044;
        --shadow: none;
    }
    input, textarea, .icon-btn, .tool-btn, .quick-actions button, .search-box button, .conversation-item {
        background: #172033;
        color: var(--text);
    }
    .auth-screen, .simple-page, .chat-layout {
        background:
            linear-gradient(135deg, rgba(15,23,42,.94), rgba(6,78,59,.72)),
            url("../img/bchat-doodle.svg");
        background-size: auto, 420px 420px;
    }
    .conversation-pane {
        background:
            linear-gradient(rgba(11,18,32,.88), rgba(11,18,32,.88)),
            url("../img/bchat-doodle.svg");
        background-size: auto, 380px 380px;
    }
    .message { background: #172033; }
    .message.mine { background: #14532d; }
    .auth-panel, .simple-shell, .sidebar, .details-pane, .composer {
        background: rgba(17, 24, 39, .94);
    }
    .privacy-card,
    .share-card {
        background: linear-gradient(135deg, rgba(6, 95, 70, .22), rgba(17, 24, 39, .9));
    }
}

@media (min-width: 921px) and (max-width: 1280px) {
    .chat-layout {
        grid-template-columns: 310px minmax(0, 1fr);
    }
    .details-pane {
        position: fixed;
        inset-block: 0;
        inset-inline-end: 0;
        width: min(360px, 88vw);
        transform: translateX(-105%);
        transition: transform .18s ease;
        z-index: 12;
        box-shadow: var(--shadow);
    }
    body.details-open .details-pane {
        transform: translateX(0);
    }
}

@media (max-width: 760px) {
    .privacy-grid,
    .share-link-row {
        grid-template-columns: 1fr;
    }
    .message {
        max-width:88%;
        padding-inline-end:42px;
    }
    .message.mine {
        padding-inline-start:42px;
        padding-inline-end:15px;
    }
    .message-menu-btn,
    .message.mine .message-menu-btn {
        inset-inline-end:8px;
        inset-inline-start:auto;
    }
    .message.mine .message-menu {
        inset-inline-start:auto;
        inset-inline-end:-8px;
    }
}

/* Bchat premium visual refresh */
@font-face{font-family:"Bchat Cairo";src:url("/bradius/assets/fonts/cairo-400.ttf") format("truetype");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Bchat Cairo";src:url("/bradius/assets/fonts/cairo-600.ttf") format("truetype");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Bchat Cairo";src:url("/bradius/assets/fonts/cairo-700.ttf") format("truetype");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Bchat Cairo";src:url("/bradius/assets/fonts/cairo-800.ttf") format("truetype");font-weight:800;font-style:normal;font-display:swap}
:root{
    --bchat-ink:#111827;
    --bchat-deep:#07131a;
    --bchat-deeper:#061018;
    --bchat-green:#109347;
    --bchat-green-2:#16b45f;
    --bchat-green-3:#e8f8ee;
    --bchat-line:#e6ebef;
    --bchat-panel:#ffffff;
    --bchat-soft:#f5f8f7;
    --bchat-shadow:0 22px 60px rgba(6,16,24,.13);
}
body{font-family:"Bchat Cairo","Noto Sans Arabic","Segoe UI",Tahoma,Arial,sans-serif}
.chat-layout{
    grid-template-columns:270px 360px minmax(0,1fr) 310px;
    background:#f8faf9;
    direction:ltr;
}
.app-nav,.sidebar,.conversation-pane,.details-pane{direction:rtl}
.app-nav{
    min-width:0;
    color:#eaf7ef;
    background:
        radial-gradient(circle at 18% 0,rgba(22,180,95,.28),transparent 34%),
        radial-gradient(circle at 100% 70%,rgba(14,165,233,.12),transparent 36%),
        linear-gradient(180deg,var(--bchat-deep),var(--bchat-deeper));
    border-inline-end:1px solid rgba(255,255,255,.08);
    display:flex;
    flex-direction:column;
    gap:18px;
    padding:22px 16px;
    overflow:auto;
}
.app-brand{display:flex;align-items:center;gap:12px;padding:0 4px 10px}
.app-brand img{width:44px;height:44px;border-radius:14px;box-shadow:0 14px 32px rgba(22,180,95,.35)}
.app-brand strong{font-size:24px;line-height:1;font-weight:800;letter-spacing:0}
.app-brand span{color:#51d982}
.primary-nav{display:grid;gap:8px}
.primary-nav a,.primary-nav button{
    width:100%;
    min-height:54px;
    border:0;
    border-radius:8px;
    padding:0 14px;
    display:grid;
    grid-template-columns:30px minmax(0,1fr) auto;
    align-items:center;
    gap:10px;
    background:transparent;
    color:#d9e7df;
    text-decoration:none;
    text-align:start;
    font-weight:700;
}
.primary-nav a:hover,.primary-nav button:hover,.primary-nav .active{
    background:linear-gradient(135deg,rgba(16,147,71,.92),rgba(6,106,61,.92));
    color:#fff;
    box-shadow:0 14px 34px rgba(5,80,46,.24);
}
.nav-icon{
    width:30px;
    height:30px;
    display:grid;
    place-items:center;
    border-radius:9px;
    background:rgba(255,255,255,.08);
    font-weight:900;
}
.primary-nav b{
    min-width:26px;
    height:24px;
    display:grid;
    place-items:center;
    border-radius:999px;
    padding:0 8px;
    background:var(--bchat-green-2);
    color:#fff;
    font-size:12px;
}
.primary-nav b.danger{background:#ef4444}
.premium-card,.storage-card,.app-user{
    border:1px solid rgba(255,255,255,.1);
    border-radius:8px;
    background:rgba(255,255,255,.045);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.premium-card{display:grid;gap:9px;padding:18px;margin-top:auto}
.premium-crown{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:#facc15;color:#422006;font-weight:900}
.premium-card strong{font-size:17px}.premium-card small,.storage-card span,.app-user small{color:#a9bdb2}
.premium-card a{
    display:grid;
    place-items:center;
    min-height:42px;
    border-radius:8px;
    margin-top:6px;
    background:linear-gradient(135deg,var(--bchat-green-2),#08783e);
    color:#fff;
    text-decoration:none;
    font-weight:800;
}
.storage-card{display:grid;gap:10px;padding:15px}
.storage-card div{height:8px;border-radius:999px;background:rgba(255,255,255,.15);overflow:hidden}
.storage-card i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--bchat-green-2),#54d985)}
.storage-card strong small{color:#8fa59a;font-weight:600}
.app-user{display:grid;grid-template-columns:42px minmax(0,1fr) 28px;align-items:center;gap:10px;padding:12px}
.avatar-dot,.conversation-avatar,.profile-avatar,.conversation-thumb{
    display:grid;
    place-items:center;
    border-radius:50%;
    background:linear-gradient(135deg,#f8fff9,#bfe8cc);
    color:#075f35;
    font-weight:900;
}
.avatar-dot{width:42px;height:42px}.app-user a{color:#c7d9ce;text-decoration:none;font-weight:900}
.sidebar{
    background:#fff;
    border-inline-end:1px solid var(--bchat-line);
    box-shadow:12px 0 40px rgba(15,23,42,.04);
}
.sidebar-header{
    min-height:88px;
    padding:20px 22px;
    background:#fff;
}
.sidebar-header strong{display:block;font-size:22px;color:var(--bchat-ink)}
.sidebar-header span{text-transform:none;color:#7b8794}
.search-box{
    grid-template-columns:1fr 74px;
    padding:16px 20px 10px;
}
.search-box input{
    min-height:46px;
    border:0;
    border-radius:8px;
    background:#f3f6f5;
    padding-inline:16px;
}
.search-box button,.toolbar .tool-btn{
    min-height:46px;
    border:0;
    border-radius:8px;
    background:#eef5f0;
    color:#0b6b3a;
}
.toolbar{
    position:static;
    padding:4px 20px 14px;
    background:#fff;
    border-bottom:1px solid var(--bchat-line);
}
.tool-btn.active{
    background:#e0f6e9;
    color:#08783e;
    box-shadow:inset 0 -3px 0 var(--bchat-green);
}
.conversation-list{padding:14px 12px 20px;gap:8px}
.conversation-item{
    min-height:88px;
    border:1px solid transparent;
    border-radius:8px;
    padding:14px 16px;
    background:#fff;
    box-shadow:none;
    grid-template-columns:54px minmax(0,1fr);
    transition:background .16s ease,border-color .16s ease,transform .16s ease;
}
.conversation-item:hover,.conversation-item.active{
    transform:translateY(-1px);
    border-color:#cdebd9;
    background:linear-gradient(135deg,#effbf3,#ffffff);
}
.conversation-thumb{width:48px;height:48px;font-size:18px;box-shadow:0 10px 22px rgba(16,147,71,.12)}
.conversation-item strong{align-items:center;font-size:15px;color:#16202a}
.conversation-item p{font-size:13px;color:#6b7683}
.badge{background:linear-gradient(135deg,var(--bchat-green-2),#098842);box-shadow:0 8px 18px rgba(16,147,71,.25)}
.conversation-pane{
    background:
        linear-gradient(rgba(250,248,243,.88),rgba(250,248,243,.88)),
        url("../img/bchat-doodle.svg");
    background-size:auto,360px 360px;
}
.conversation-header{
    min-height:88px;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(16px);
    padding:14px 22px;
    box-shadow:0 1px 0 var(--bchat-line);
}
.conversation-avatar{width:56px;height:56px;font-size:22px;box-shadow:0 10px 25px rgba(16,147,71,.18)}
.conversation-avatar span{display:grid;place-items:center;width:100%;height:100%}
.conversation-heading{margin-inline-end:auto}
.conversation-header h1{font-size:20px;font-weight:800;color:#101820}
.conversation-header span{font-weight:600}.conversation-tools{display:flex;gap:8px;align-items:center}
.icon-btn{
    border:0;
    background:#f3f6f5;
    color:#536170;
    border-radius:8px;
}
.icon-btn:hover{background:#e7f7ed;color:#0b7a3d}
.message-list{
    padding:24px clamp(18px,4vw,42px);
    gap:12px;
}
.message{
    position:relative;
    max-width:min(620px,78%);
    border:1px solid rgba(17,24,39,.06);
    border-radius:8px 8px 8px 2px;
    padding:13px 15px 9px;
    background:#fff;
    box-shadow:0 12px 24px rgba(16,24,32,.08);
}
.message.mine{
    align-self:flex-start;
    border-radius:8px 8px 2px 8px;
    background:linear-gradient(135deg,#d9f9e2,#bdf1ce);
}
.message-text{font-size:15px;line-height:1.85;color:#111827;white-space:pre-wrap}
.message .meta{justify-content:flex-end;font-size:11px;color:#74808b}
.message-receipt{
    display:inline-grid;
    place-items:center;
    min-width:18px;
    color:#7b8794;
    font-size:12px;
}
.message-receipt.delivered{color:#0f8a48}
.message-receipt.seen{color:#0ea5e9}
.message-menu-btn{
    position:absolute;
    inset-block-start:8px;
    inset-inline-end:-34px;
    width:30px;
    height:30px;
    border:0;
    border-radius:8px;
    display:grid;
    place-items:center;
    background:rgba(255,255,255,.92);
    color:#647280;
    box-shadow:0 8px 18px rgba(15,23,42,.08);
    opacity:.72;
    transform:translateX(0);
    transition:opacity .16s ease,background .16s ease,color .16s ease;
}
.message.mine .message-menu-btn{
    inset-inline-start:-34px;
    inset-inline-end:auto;
}
.message:hover .message-menu-btn,
.message-menu-btn:focus-visible,
.message:focus-within .message-menu-btn{
    opacity:1;
}
.message-menu-btn:hover,
.message.menu-open .message-menu-btn,
.message-menu-btn[aria-expanded="true"]{
    background:#eaf8ef;
    color:#08783e;
}
.message-menu{
    position:absolute;
    z-index:20;
    inset-block-start:40px;
    inset-inline-end:-8px;
    min-width:150px;
    padding:6px;
    display:none;
    border:1px solid var(--bchat-line);
    border-radius:8px;
    background:rgba(255,255,255,.98);
    box-shadow:0 18px 40px rgba(15,23,42,.16);
}
.message.mine .message-menu{
    inset-inline-start:-8px;
    inset-inline-end:auto;
}
.message-menu.open{
    display:grid;
    gap:3px;
}
.message-menu button{
    min-height:38px;
    border:0;
    border-radius:8px;
    display:flex;
    align-items:center;
    gap:10px;
    background:transparent;
    color:#172033;
    padding:8px 10px;
    font-weight:800;
    text-align:start;
}
.message-menu button:hover{
    background:#eef8f2;
    color:#06743b;
}
.message-menu button[data-delete]:hover{
    background:#fff1f2;
    color:#dc2626;
}
.message img{max-width:min(360px,100%);border-radius:8px;box-shadow:0 10px 24px rgba(15,23,42,.16)}
.message-dialog{
    position:fixed;
    inset:0;
    z-index:80;
    display:grid;
    place-items:center;
    padding:18px;
    background:rgba(6,16,24,.45);
    backdrop-filter:blur(4px);
}
.message-dialog[hidden]{display:none}
.message-dialog-card{
    width:min(460px,100%);
    border:1px solid rgba(255,255,255,.32);
    border-radius:8px;
    background:rgba(255,255,255,.98);
    box-shadow:0 28px 80px rgba(6,16,24,.28);
    padding:22px;
    position:relative;
}
.message-dialog-card h2{
    margin:0 0 14px;
    font-size:20px;
    color:#111827;
}
.message-dialog-close{
    position:absolute;
    inset-block-start:12px;
    inset-inline-end:12px;
    width:34px;
    height:34px;
    border:0;
    border-radius:8px;
    background:#f3f6f5;
    color:#52606c;
    font-size:22px;
}
.message-dialog textarea{
    width:100%;
    min-height:120px;
    resize:vertical;
}
.message-dialog-actions{
    display:flex;
    justify-content:flex-end;
    gap:10px;
    margin-top:14px;
}
.message-dialog-actions.split{
    justify-content:stretch;
}
.message-dialog-actions.split button{
    flex:1;
}
.message-dialog-note{
    margin:0;
    color:#667382;
}
.reaction-picker{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:10px;
}
.reaction-picker button{
    min-height:54px;
    border:1px solid var(--bchat-line);
    border-radius:8px;
    background:#f8faf9;
    font-size:24px;
}
.reaction-picker button:hover{
    background:#eaf8ef;
}
.danger-btn{
    border:0;
    border-radius:8px;
    background:#fee2e2;
    color:#b91c1c;
    padding:10px 12px;
    font-weight:900;
}
.danger-btn:hover{
    background:#fecaca;
}
.composer{
    grid-template-columns:52px 42px minmax(0,1fr) 52px;
    align-items:end;
    gap:9px;
    margin:0 clamp(14px,3vw,34px) 18px;
    padding:10px;
    border:1px solid var(--bchat-line);
    border-radius:8px;
    background:rgba(255,255,255,.96);
    box-shadow:0 18px 42px rgba(15,23,42,.12);
}
.composer textarea{
    min-height:48px;
    border:0;
    background:transparent;
    padding:12px 8px;
}
.attach-btn,.composer-icon,.send-btn{
    width:48px;
    height:48px;
    min-width:48px;
    border:0;
    border-radius:8px;
}
.attach-btn,.composer-icon{background:#f2f6f4;color:#51606d;font-size:22px}
.send-btn{padding:0;background:linear-gradient(135deg,var(--bchat-green-2),#07823f);font-size:22px;box-shadow:0 12px 24px rgba(16,147,71,.24)}
.details-pane{
    background:#fff;
    border-inline-start:1px solid var(--bchat-line);
    padding:0;
}
.details-pane section{padding:22px;border-bottom:1px solid var(--bchat-line)}
.profile-card{text-align:center;position:relative}
.details-close{
    position:absolute;
    inset-block-start:14px;
    inset-inline-end:14px;
    width:34px;
    height:34px;
    border:0;
    border-radius:8px;
    background:#f3f6f5;
    font-size:22px;
    color:#52606c;
}
.profile-avatar{width:108px;height:108px;margin:22px auto 16px;font-size:38px;box-shadow:0 18px 42px rgba(16,147,71,.18)}
.profile-card h2{font-size:20px;color:#111827}.profile-card p{margin:0;color:#667382;line-height:1.8}
.simple-row{border-color:#edf1f3}.simple-row strong{color:#111827}.simple-row span{color:#768391}
.empty-state{
    width:min(420px,92%);
    padding:22px;
    border:1px dashed #cfd8de;
    border-radius:8px;
    background:rgba(255,255,255,.72);
}
.auth-screen{
    background:
        radial-gradient(circle at 8% 8%,rgba(22,180,95,.16),transparent 32%),
        linear-gradient(135deg,#eefbf2,#f7faf8 42%,#ffffff);
}
.auth-shell{width:min(1180px,100%);display:grid;grid-template-columns:.95fr 1.05fr;align-items:stretch;border-radius:28px;overflow:hidden;box-shadow:var(--bchat-shadow);background:#fff;direction:ltr}
.auth-panel{direction:rtl}
.auth-shell::before{
    content:"";
    display:block;
    min-height:640px;
    background:
        radial-gradient(circle at 30% 52%,rgba(255,255,255,.13),transparent 23%),
        url("../img/bchat-doodle.svg"),
        linear-gradient(145deg,#0f8a48,#00623c);
    background-size:auto,340px 340px,auto;
}
.auth-panel{
    border:0;
    border-radius:0;
    box-shadow:none;
    padding:clamp(34px,5vw,70px);
    align-content:center;
}
.auth-panel::before{display:none}
.brand-mark{
    width:72px;
    height:72px;
    margin-inline:auto;
    border-radius:20px;
    background:url("../img/bchat-icon.svg") center/cover no-repeat;
    color:transparent;
}
.auth-panel h1{text-align:center;font-size:clamp(30px,4vw,46px);color:#111827}
.auth-panel p{text-align:center;font-size:17px}
.auth-methods label,.auth-panel input,.auth-panel select,.primary-btn,.muted-link{
    min-height:56px;
    border-radius:8px;
}
.primary-btn{font-size:18px}
.phone-split{grid-template-columns:minmax(150px,.65fr) minmax(0,1fr)}

/* Global-language Bchat app shell */
html[dir="auto"], .chat-screen { unicode-bidi: plaintext; }
.chat-screen :where(input, textarea, .message-text, .conversation-item strong span, .conversation-item p, .conversation-heading h1, .conversation-heading span) {
    unicode-bidi: plaintext;
}
.primary-nav.compact{
    grid-template-columns:1fr;
}
.primary-nav.compact .nav-icon i{
    font-size:15px;
}
.view-panel{
    display:none;
    min-height:0;
    flex:1 1 auto;
    flex-direction:column;
}
.view-panel.active{
    display:flex;
}
.mobile-view-tabs{
    display:none;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:6px;
    padding:8px 12px 10px;
    border-bottom:1px solid var(--bchat-line);
    background:#fff;
}
.mobile-view-tabs button{
    min-height:42px;
    border:1px solid #e5edf0;
    border-radius:8px;
    background:#f8faf9;
    color:#52606c;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:7px;
    font-weight:800;
}
.mobile-view-tabs button.active{
    background:#e0f6e9;
    border-color:#cdebd9;
    color:#08783e;
}
.conversation-tools{
    display:none!important;
}
.conversation-tools-modern{
    display:flex;
    justify-content:flex-end;
    gap:8px;
    padding:10px 22px 0;
    background:rgba(255,255,255,.94);
}
.conversation-tools-modern .icon-btn{
    width:40px;
    height:40px;
}
.story-list,.call-list{
    display:grid;
    gap:10px;
    padding:14px 12px 20px;
    overflow:auto;
}
.story-card,.call-card{
    width:100%;
    min-height:74px;
    display:grid;
    grid-template-columns:54px minmax(0,1fr);
    align-items:center;
    gap:12px;
    border:1px solid #e5edf0;
    border-radius:8px;
    background:#fff;
    color:#111827;
    padding:12px;
    text-align:start;
}
.story-card.official{
    background:linear-gradient(135deg,#f0fff4,#ffffff);
    border-color:#cdebd9;
}
.story-ring,.call-card>span{
    width:52px;
    height:52px;
    display:grid;
    place-items:center;
    border-radius:50%;
    background:linear-gradient(135deg,#15a653,#0f7a41);
    color:#fff;
    font-weight:900;
    box-shadow:0 12px 24px rgba(16,147,71,.20);
}
.story-ring.muted{
    background:#eef5f0;
    color:#0f7a41;
    box-shadow:none;
}
.story-card strong,.call-card strong{
    display:block;
    color:#111827;
    font-size:15px;
}
.story-card small,.call-card small{
    display:block;
    color:#64748b;
    line-height:1.65;
    margin-top:2px;
}
.empty-state.slim{
    width:100%;
    padding:16px;
    font-size:13px;
}
.call-overlay{
    position:absolute;
    inset:88px clamp(14px,3vw,34px) 92px;
    display:grid;
    place-items:center;
    z-index:5;
    background:rgba(7,19,26,.58);
    backdrop-filter:blur(10px);
    border-radius:8px;
}
.call-overlay[hidden]{
    display:none;
}
.call-overlay>div{
    position:relative;
    width:min(390px,92%);
    border:1px solid rgba(255,255,255,.18);
    border-radius:8px;
    background:linear-gradient(180deg,#ffffff,#f5fbf7);
    box-shadow:0 28px 70px rgba(6,16,24,.30);
    padding:28px;
    text-align:center;
}
.call-overlay h2{
    margin:14px 0 4px;
    color:#111827;
}
.call-overlay p{
    margin:0;
    color:#64748b;
}
.call-actions{
    display:flex;
    justify-content:center;
    gap:10px;
    margin-top:22px;
}
.icon-btn.danger{
    background:#fee2e2;
    color:#b91c1c;
}
.send-btn{
    font-size:0;
}
.send-btn::before{
    content:"\f1d8";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    font-size:19px;
}
.send-btn i{
    font-size:19px;
}
.composer-icon{
    font-size:0;
}
.composer-icon::before{
    content:"\f118";
    font-family:"Font Awesome 6 Free";
    font-weight:400;
    font-size:19px;
}

/* Conversation stability and live-scroll polish */
body.chat-screen{
    height:100vh;
    height:100dvh;
    overflow:hidden;
    background:#f8faf9;
}
body.chat-screen .chat-layout{
    height:100vh;
    height:100dvh;
    max-height:100dvh;
    min-height:0;
    overflow:hidden;
}
body.chat-screen .app-nav,
body.chat-screen .sidebar,
body.chat-screen .conversation-pane,
body.chat-screen .details-pane{
    min-height:0;
}
body.chat-screen .app-nav,
body.chat-screen .details-pane{
    overflow:auto;
    overscroll-behavior:contain;
}
body.chat-screen .sidebar{
    display:flex;
    flex-direction:column;
    overflow:hidden;
}
body.chat-screen .view-panel.active{
    min-height:0;
    overflow:hidden;
}
body.chat-screen .conversation-list,
body.chat-screen .story-list,
body.chat-screen .call-list{
    min-height:0;
    overflow:auto;
    overscroll-behavior:contain;
}
body.chat-screen .conversation-pane{
    position:relative;
    display:flex;
    flex-direction:column;
    min-width:0;
    overflow:hidden;
}
body.chat-screen .conversation-header,
body.chat-screen .conversation-tools-modern,
body.chat-screen .composer{
    flex:0 0 auto;
}
body.chat-screen .message-list{
    flex:1 1 auto;
    min-height:0;
    overflow-y:auto;
    overflow-x:hidden;
    overscroll-behavior:contain;
    scroll-behavior:smooth;
    padding-block:24px 28px;
}
body.chat-screen .message{
    width:fit-content;
    max-width:min(620px,78%);
    min-width:min(180px,100%);
    overflow:visible;
}
body.chat-screen .message-body{
    display:grid;
    gap:8px;
    min-width:0;
}
body.chat-screen .message-text:empty{
    display:none;
}
body.chat-screen .message img{
    display:block;
    width:auto;
    max-width:min(420px,100%);
    max-height:min(48vh,420px);
    object-fit:contain;
    border-radius:8px;
    background:#fff;
}
body.chat-screen .message:has(img){
    max-width:min(640px,82%);
}
body.chat-screen .composer{
    position:relative;
    z-index:6;
    margin-block-end:max(14px,var(--safe-bottom));
}
.new-messages-btn{
    position:absolute;
    z-index:9;
    inset-inline-start:50%;
    bottom:96px;
    transform:translateX(-50%);
    min-height:38px;
    border:1px solid rgba(16,147,71,.22);
    border-radius:999px;
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:0 14px;
    background:linear-gradient(135deg,#ffffff,#effbf3);
    color:#08783e;
    font-weight:900;
    box-shadow:0 16px 34px rgba(6,16,24,.16);
}
.new-messages-btn[hidden]{
    display:none;
}

@media (max-width: 1180px){
    body.chat-screen .chat-layout{
        grid-template-columns:92px minmax(300px,360px) minmax(0,1fr);
    }
    body.chat-screen .details-pane{
        position:absolute;
        inset-block:0;
        inset-inline-end:0;
        width:min(360px,90vw);
        z-index:12;
        transform:translateX(105%);
        transition:transform .18s ease;
    }
    body.details-open .details-pane{
        transform:translateX(0);
    }
}

@media (max-width: 760px){
    body.chat-screen .chat-layout{
        grid-template-columns:1fr;
    }
    body.chat-screen .app-nav,
    body.chat-screen .sidebar{
        display:none;
    }
    body.chat-screen .conversation-header{
        min-height:72px;
        padding:10px 14px;
    }
    body.chat-screen .conversation-tools-modern{
        padding:8px 14px 0;
    }
    body.chat-screen .message-list{
        padding-inline:12px;
        padding-block:16px 20px;
    }
    body.chat-screen .message,
    body.chat-screen .message:has(img){
        max-width:86%;
    }
    body.chat-screen .message img{
        max-width:100%;
        max-height:42vh;
    }
    body.chat-screen .composer{
        grid-template-columns:46px 38px minmax(0,1fr) 46px;
        margin-inline:10px;
        margin-block-end:max(10px,var(--safe-bottom));
        padding:8px;
    }
    body.chat-screen .attach-btn,
    body.chat-screen .composer-icon,
    body.chat-screen .send-btn{
        width:42px;
        height:42px;
        min-width:42px;
    }
    .new-messages-btn{
        bottom:82px;
    }
}

/* Message side actions: three dots only until opened */
body.chat-screen .message{
    isolation:isolate;
    padding-inline-end:48px;
}
body.chat-screen .message.mine{
    padding-inline-start:48px;
    padding-inline-end:15px;
}
body.chat-screen .message-menu-btn{
    position:absolute!important;
    z-index:4;
    top:8px;
    right:10px;
    left:auto;
    width:32px;
    height:32px;
    min-width:32px;
    border:1px solid rgba(15,23,42,.06);
    border-radius:8px;
    display:grid!important;
    place-items:center;
    padding:0;
    background:rgba(255,255,255,.86);
    color:#4b5968;
    opacity:.86;
    box-shadow:0 8px 18px rgba(15,23,42,.10);
}
body.chat-screen .message.mine .message-menu-btn{
    left:10px;
    right:auto;
}
body.chat-screen .message:hover .message-menu-btn,
body.chat-screen .message:focus-within .message-menu-btn,
body.chat-screen .message.menu-open .message-menu-btn{
    opacity:1;
    background:#eaf8ef;
    color:#08783e;
}
body.chat-screen .message-menu{
    position:absolute!important;
    z-index:30;
    top:42px;
    right:10px;
    left:auto;
    min-width:164px;
    max-width:min(220px,70vw);
    padding:6px;
    border:1px solid rgba(16,147,71,.16);
    border-radius:8px;
    background:rgba(255,255,255,.98);
    box-shadow:0 18px 45px rgba(6,16,24,.18);
}
body.chat-screen .message.mine .message-menu{
    left:10px;
    right:auto;
}
body.chat-screen .message-menu:not(.open){
    display:none!important;
}
body.chat-screen .message-menu.open{
    display:flex!important;
    flex-direction:column;
    gap:4px;
}
body.chat-screen .message-menu button{
    width:100%;
    min-height:38px;
    border:0;
    border-radius:8px;
    display:flex;
    align-items:center;
    justify-content:flex-start;
    gap:10px;
    padding:8px 10px;
    background:transparent;
    color:#172033;
    font-weight:800;
    text-align:start;
    white-space:nowrap;
}
body.chat-screen .message-menu button:hover{
    background:#eef8f2;
    color:#06743b;
}
body.chat-screen .message-menu button[data-delete]:hover{
    background:#fff1f2;
    color:#dc2626;
}
body.chat-screen .message-menu button i{
    width:18px;
    text-align:center;
}
body.chat-screen .message > .message-actions,
body.chat-screen .message .inline-actions,
body.chat-screen .message .message-legacy-actions{
    display:none!important;
}

@media (max-width:760px){
    body.chat-screen .message{
        padding-inline-end:42px;
    }
    body.chat-screen .message.mine{
        padding-inline-start:42px;
        padding-inline-end:13px;
    }
    body.chat-screen .message-menu{
        min-width:152px;
    }
}

/* RTL desktop shell: conversations right, chat center, details left */
body.chat-screen{
    --bchat-details-width:0px;
}
body.chat-screen.details-open{
    --bchat-details-width:310px;
}
body.chat-screen .chat-layout{
    display:grid;
    grid-template-columns:var(--bchat-details-width) minmax(0,1fr) 360px;
    grid-template-rows:82px minmax(0,1fr);
    grid-template-areas:
        "details chat nav"
        "details chat sidebar";
    direction:ltr;
    transition:grid-template-columns .18s ease;
}
body.chat-screen .app-nav{
    grid-area:nav;
    min-height:0;
    overflow:hidden;
    flex-direction:row;
    align-items:center;
    gap:10px;
    padding:10px 12px;
    border-inline-end:0;
    border-bottom:1px solid rgba(255,255,255,.08);
}
body.chat-screen .app-brand{
    flex:0 0 auto;
    padding:0;
    margin-inline-start:auto;
}
body.chat-screen .app-brand img{
    width:42px;
    height:42px;
}
body.chat-screen .app-brand strong,
body.chat-screen .premium-card,
body.chat-screen .storage-card,
body.chat-screen .app-user{
    display:none;
}
body.chat-screen .primary-nav.compact{
    flex:1 1 auto;
    display:flex;
    align-items:center;
    justify-content:flex-end;
    gap:8px;
    min-width:0;
}
body.chat-screen .primary-nav.compact a,
body.chat-screen .primary-nav.compact button{
    width:44px;
    min-width:44px;
    min-height:44px;
    grid-template-columns:1fr;
    justify-items:center;
    padding:0;
    border-radius:8px;
}
body.chat-screen .primary-nav.compact span:not(.nav-icon){
    position:absolute;
    width:1px;
    height:1px;
    overflow:hidden;
    clip:rect(0 0 0 0);
}
body.chat-screen .primary-nav.compact .nav-icon{
    width:30px;
    height:30px;
    background:rgba(255,255,255,.10);
}
body.chat-screen .sidebar{
    grid-area:sidebar;
    border-inline-end:0;
    border-inline-start:1px solid var(--bchat-line);
}
body.chat-screen .conversation-pane{
    grid-area:chat;
}
body.chat-screen .details-pane{
    grid-area:details;
    width:var(--bchat-details-width);
    min-width:0;
    overflow:hidden auto;
    border-inline-start:0;
    border-inline-end:1px solid var(--bchat-line);
    opacity:0;
    pointer-events:none;
    transition:opacity .16s ease;
}
body.chat-screen.details-open .details-pane{
    opacity:1;
    pointer-events:auto;
}
body.chat-screen .details-pane section{
    min-width:300px;
}
.older-messages-loader{
    align-self:center;
    border:1px solid rgba(16,147,71,.16);
    border-radius:999px;
    background:rgba(255,255,255,.86);
    color:#08783e;
    font-size:12px;
    font-weight:800;
    padding:7px 12px;
    box-shadow:0 8px 20px rgba(15,23,42,.08);
}

@media (max-width:1180px){
    body.chat-screen{
        --bchat-details-width:0px;
    }
    body.chat-screen .chat-layout{
        grid-template-columns:minmax(0,1fr) minmax(320px,380px);
        grid-template-rows:76px minmax(0,1fr);
        grid-template-areas:
            "chat nav"
            "chat sidebar";
    }
    body.chat-screen .details-pane{
        position:fixed;
        inset-block:0;
        left:0;
        right:auto;
        width:min(340px,88vw);
        z-index:30;
        transform:translateX(-105%);
        opacity:1;
        pointer-events:auto;
        box-shadow:24px 0 60px rgba(6,16,24,.18);
        transition:transform .18s ease;
    }
    body.chat-screen.details-open .details-pane{
        transform:translateX(0);
    }
}

@media (max-width:760px){
    body.chat-screen .chat-layout{
        grid-template-columns:1fr;
        grid-template-rows:auto minmax(0,1fr);
        grid-template-areas:
            "nav"
            "sidebar";
    }
    body.chat-screen .app-nav{
        display:flex;
        position:relative;
        z-index:2;
    }
    body.chat-screen .sidebar{
        display:flex;
        min-height:0;
        height:auto;
    }
    body.chat-screen .conversation-pane{
        position:fixed;
        inset:0;
        width:100vw;
        transform:translateX(-100%);
        transition:transform .18s ease;
        z-index:20;
    }
    body.chat-screen.conversation-open .conversation-pane{
        transform:translateX(0);
    }
    body.chat-screen .details-pane{
        width:min(330px,88vw);
    }
    body.chat-screen .primary-nav.compact{
        justify-content:space-between;
    }
    body.chat-screen .primary-nav.compact a,
    body.chat-screen .primary-nav.compact button{
        width:40px;
        min-width:40px;
        min-height:40px;
    }
}