/* ================================================================
   MORFUS — Academia HipnoPorto  v1.1.5
   Layout FLUTUANTE — position:fixed sobre qualquer tema WordPress
   Header fixo no topo · Input fixo no fundo · Mensagens com scroll
   Glass morphism · Sombras · Espaçamento generoso
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── RESET DENTRO DO MORFUS ────────────────────────────────── */
#morfus-app *, #morfus-login * { box-sizing: border-box; margin: 0; padding: 0; }

/* ── VARIÁVEIS ─────────────────────────────────────────────── */
#morfus-app, #morfus-login {
    --bg:          #0E0D0B;
    --surface:     #1A1915;
    --navy:        #1a1a4e;
    --navy-dark:   #0E0D0B;
    --navy-mid:    #1e1e5a;
    --amber:       #FFC107;
    --amber-soft:  rgba(255,193,7,0.14);
    --amber-glow:  rgba(255,193,7,0.30);
    --text:        #E2DDD4;
    --text-70:     rgba(226,221,212,0.70);
    --text-45:     rgba(226,221,212,0.45);
    --text-20:     rgba(226,221,212,0.18);
    --muted:       rgba(226,221,212,0.40);
    --border:      rgba(255,255,255,0.07);
    --border-soft: rgba(255,255,255,0.13);
    --border-mid:  rgba(255,255,255,0.20);
    --glass:       rgba(255,255,255,0.05);
    --glass-hover: rgba(255,255,255,0.10);
    --shadow-sm:   0 2px 10px rgba(0,0,0,0.30);
    --shadow-md:   0 8px 28px rgba(0,0,0,0.40);
    --shadow-lg:   0 24px 64px rgba(0,0,0,0.55);
    --shadow-amber:0 4px 20px rgba(255,193,7,0.28);
    --font:        var(--mrf-font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    --fs:          var(--mrf-font-size, 15px);
    --radius:      var(--mrf-radius, 12px);
    --sidebar-w:   var(--mrf-sidebar-w, 265px);
    --msg-pv:      var(--mrf-msg-pad-v, 18px);
    --msg-ph:      var(--mrf-msg-pad-h, 24px);
    --msg-gap:     var(--mrf-msg-gap, 26px);
    --area-pad:    var(--mrf-area-pad, 28px);
}

.mrf-desktop-only { display: flex !important; }
.mrf-mobile-only  { display: none !important; }

/* ════════════════════════════════════════════════════════════
   LOGIN — centrado no viewport
════════════════════════════════════════════════════════════ */
.mrf-login-wrap {
    position: fixed;
    inset: 0;
    z-index: 2147483647;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10,10,30,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 20px;
}

.mrf-login-box {
    background: rgba(26,26,78,0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-mid);
    border-radius: 20px;
    padding: 60px 44px 52px;
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin: auto;
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.08);
}

.mrf-login-logo {
    font-family: Georgia, serif;
    font-size: 44px;
    color: var(--amber);
    font-style: italic;
    text-align: center;
    letter-spacing: .08em;
    text-shadow: 0 0 40px rgba(255,193,7,0.35);
}
.mrf-login-sub {
    font-size: 10px; color: var(--text-45); text-align: center;
    letter-spacing: .26em; text-transform: uppercase; margin-bottom: 6px;
}
.mrf-login-error {
    background: rgba(239,68,68,.15); border: 1px solid rgba(239,68,68,.30);
    color: #fca5a5; padding: 12px 16px; font-size: 13px;
    border-radius: var(--radius); text-align: center;
}
.mrf-login-box input[type="text"],
.mrf-login-box input[type="password"] {
    background: rgba(0,0,0,0.30) !important;
    border: 1px solid var(--border-soft) !important;
    border-radius: var(--radius) !important;
    color: #fff !important;
    font-family: var(--font) !important;
    font-size: var(--fs) !important;
    padding: 14px 18px !important;
    width: 100% !important;
    outline: none !important;
    transition: border-color .2s, box-shadow .2s !important;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.25) !important;
}
.mrf-login-box input::placeholder { color: var(--text-45) !important; }
.mrf-login-box input:focus {
    border-color: var(--amber) !important;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.25), 0 0 0 3px rgba(255,193,7,0.12) !important;
}
.mrf-login-box button {
    background: var(--amber) !important;
    border: none !important;
    border-radius: var(--radius) !important;
    color: #0e0e2e !important;
    font-family: var(--font) !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    letter-spacing: .12em !important;
    padding: 15px !important;
    text-transform: uppercase !important;
    cursor: pointer !important;
    width: 100% !important;
    margin-top: 4px !important;
    transition: transform .15s, box-shadow .15s !important;
    box-shadow: 0 4px 18px rgba(255,193,7,0.25) !important;
}
.mrf-login-box button:hover  { transform: translateY(-2px) !important; box-shadow: var(--shadow-amber) !important; }
.mrf-login-box button:active { transform: none !important; }
.mrf-login-box button:disabled { opacity: .5 !important; transform: none !important; cursor: not-allowed !important; }

/* ════════════════════════════════════════════════════════════
   APP — FLUTUANTE SOBRE A PÁGINA
   position:fixed cobre tudo independentemente do tema
════════════════════════════════════════════════════════════ */
#morfus-app {
    position: fixed;
    inset: 0;
    z-index: 2147483647 !important;
    display: flex;
    flex-direction: column;
    font-family: var(--font);
    font-size: var(--fs);
    background: var(--bg);
    overflow: hidden;
    transition: background 0.6s ease, color 0.6s ease;
}

#morfus-app::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(ellipse 60% 50% at 50% 40%, rgba(255,193,7,0.03) 0%, transparent 70%);
    animation: morfusPulse 8s ease-in-out infinite;
    z-index: 0;
}
@keyframes morfusPulse {
    0%,100% { opacity:0.5; transform:scale(1); }
    50%      { opacity:1;   transform:scale(1.08); }
}

/* Aviso de créditos */
.mrf-credits-warning {
    flex-shrink: 0;
    background: rgba(239,68,68,0.14);
    border-bottom: 1px solid rgba(239,68,68,0.22);
    color: #fca5a5;
    font-size: 12px;
    padding: 7px 20px;
    text-align: center;
    display: flex; align-items: center; justify-content: center; gap: 8px;
}

/* ════════════════════════════════════════════════════════════
   HEADER — flex-shrink:0, sempre visível no topo
════════════════════════════════════════════════════════════ */
.mrf-header {
    flex-shrink: 0;
    background: rgba(20,20,70,0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-soft);
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 16px rgba(0,0,0,0.25);
    z-index: 2147483640;
}
.mrf-header-inner { width: 100%; display: flex; align-items: center; gap: 14px; }

.mrf-hamburger {
    display: none;
    background: transparent !important; border: none !important;
    color: var(--text-70) !important; cursor: pointer !important;
    padding: 7px !important; border-radius: 9px !important;
    transition: background .15s !important; flex-shrink: 0;
}
.mrf-hamburger:hover { background: var(--glass-hover) !important; }

.mrf-header-brand { display: flex; align-items: baseline; gap: 9px; flex: 1; }
.mrf-logo {
    font-family: Georgia, serif;
    font-size: 22px; color: var(--amber); font-style: italic;
    letter-spacing: .08em; text-shadow: 0 0 20px rgba(255,193,7,0.25);
}
.mrf-logo-sub { font-size: 9px; color: var(--text-45); letter-spacing: .22em; text-transform: uppercase; }

.mrf-header-credits { display: flex; align-items: center; gap: 18px; }
.mrf-credits-wrap { display: flex; align-items: center; gap: 10px; min-width: 220px; }
.mrf-credits-label { font-size: 9px; color: var(--text-45); letter-spacing: .18em; text-transform: uppercase; flex-shrink: 0; }
.mrf-credits-track { flex: 1; height: 5px; background: rgba(255,255,255,0.07); border-radius: 3px; overflow: hidden; box-shadow: inset 0 1px 3px rgba(0,0,0,0.2); }
.mrf-credits-fill { height: 100%; background: var(--amber); border-radius: 3px; transition: width .5s ease; box-shadow: 0 0 8px rgba(255,193,7,0.4); }
.mrf-credits-num { font-size: 12px; color: var(--text-70); white-space: nowrap; flex-shrink: 0; font-weight: 500; }
.mrf-header-user { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.mrf-username { font-size: 12px; color: var(--text-45); }
.mrf-btn-logout {
    background: var(--glass) !important; border: 1px solid var(--border-soft) !important;
    color: var(--text-45) !important; font-family: var(--font) !important;
    font-size: 11px !important; padding: 6px 14px !important;
    border-radius: 20px !important; cursor: pointer !important;
    backdrop-filter: blur(6px) !important; transition: all .15s !important;
}
.mrf-btn-logout:hover { border-color: var(--amber) !important; color: var(--amber) !important; background: var(--amber-soft) !important; }

/* ════════════════════════════════════════════════════════════
   LAYOUT — flex:1, ocupa tudo entre header e fundo
════════════════════════════════════════════════════════════ */
.mrf-layout { flex: 1; display: flex; overflow: hidden; min-height: 0; }

/* ════════════════════════════════════════════════════════════
   SIDEBAR
════════════════════════════════════════════════════════════ */
.mrf-sidebar {
    width: var(--sidebar-w);
    background: rgba(14,14,45,0.85);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--border-soft);
    display: flex; flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
    box-shadow: 2px 0 20px rgba(0,0,0,0.18);
}
.mrf-sidebar-header {
    padding: 18px 16px 14px;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.mrf-sidebar-title { font-size: 9px; letter-spacing: .24em; text-transform: uppercase; color: var(--text-45); font-weight: 700; }

.mrf-btn-new {
    background: var(--amber) !important; border: none !important;
    border-radius: 20px !important; color: #0e0e2e !important;
    font-family: var(--font) !important; font-size: 10px !important;
    font-weight: 700 !important; letter-spacing: .06em !important;
    padding: 6px 14px !important; cursor: pointer !important;
    text-transform: uppercase !important;
    transition: transform .15s, box-shadow .15s !important;
    box-shadow: 0 3px 12px rgba(255,193,7,0.22) !important;
}
.mrf-btn-new:hover { transform: translateY(-1px) !important; box-shadow: var(--shadow-amber) !important; }

/* Search */
.mrf-sidebar-search { padding: 10px 12px 8px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.mrf-search-wrap {
    display: flex; align-items: center; gap: 8px;
    background: rgba(0,0,0,0.22); border: 1px solid var(--border-soft);
    border-radius: 9px; padding: 7px 11px;
    transition: border-color .15s;
    box-shadow: inset 0 1px 4px rgba(0,0,0,0.18);
}
.mrf-search-wrap:focus-within { border-color: var(--amber); }
.mrf-search-wrap svg { color: var(--text-45); flex-shrink: 0; }
.mrf-search-input {
    background: transparent !important; border: none !important;
    color: var(--text) !important; font-family: var(--font) !important;
    font-size: 13px !important; outline: none !important;
    width: 100% !important; box-shadow: none !important; padding: 0 !important;
}
.mrf-search-input::placeholder { color: var(--text-45) !important; }

/* Conv list */
.mrf-conv-list { flex: 1; overflow-y: auto; padding: 8px; }
.mrf-conv-list::-webkit-scrollbar { width: 3px; }
.mrf-conv-list::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 2px; }
.mrf-empty-list { padding: 28px 14px; font-size: 13px; color: var(--text-45); text-align: center; line-height: 1.7; }
.mrf-conv-group-label { font-size: 9px; color: var(--text-20); letter-spacing: .22em; text-transform: uppercase; padding: 10px 12px 4px; font-weight: 700; }
.mrf-loading { padding: 24px; font-size: 12px; color: var(--text-45); font-style: italic; text-align: center; }

/* Conv item */
.mrf-conv-item-wrap { position: relative; margin-bottom: 3px; }
.mrf-conv-item {
    position: relative; display: grid;
    grid-template-columns: 1fr auto; grid-template-rows: auto auto;
    align-items: start;
    padding: 11px 8px 10px 14px;
    border-radius: var(--radius); cursor: pointer;
    border-left: 2px solid transparent;
    transition: all .13s;
}
.mrf-conv-item:hover { background: var(--glass-hover); border-left-color: var(--border-mid); box-shadow: var(--shadow-sm); }
.mrf-conv-item.active { background: var(--amber-soft); border-left-color: var(--amber); box-shadow: 0 2px 14px rgba(255,193,7,0.10); }
.mrf-conv-item-top { display: flex; align-items: center; gap: 5px; grid-column: 1; grid-row: 1; min-width: 0; }
.mrf-pin-icon { color: var(--amber); flex-shrink: 0; opacity: .75; display: flex; align-items: center; }
.mrf-conv-item-title { font-size: 13px; color: var(--text-70); line-height: 1.35; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; min-width: 0; }
.mrf-conv-item.active .mrf-conv-item-title { color: var(--amber); font-weight: 600; }
.mrf-conv-item.pinned .mrf-conv-item-title { font-weight: 600; }
.mrf-conv-item-date { font-size: 10px; color: var(--text-45); margin-top: 3px; grid-column: 1; grid-row: 2; }

.mrf-dots-btn {
    grid-column: 2; grid-row: 1 / 3;
    background: transparent !important; border: none !important;
    color: var(--text-45) !important; cursor: pointer !important;
    width: 27px !important; height: 27px !important;
    border-radius: 7px !important;
    display: flex !important; align-items: center !important; justify-content: center !important;
    opacity: 0; transition: opacity .13s, background .13s !important; align-self: center;
}
.mrf-conv-item:hover .mrf-dots-btn,
.mrf-conv-item.active .mrf-dots-btn,
.mrf-conv-item-wrap:hover .mrf-dots-btn { opacity: 1; }
.mrf-dots-btn:hover { background: var(--glass-hover) !important; color: var(--text) !important; }

.mrf-inline-rename {
    background: rgba(0,0,0,0.28) !important; border: 1px solid var(--amber) !important;
    border-radius: 5px !important; color: #fff !important;
    font-size: 13px !important; font-family: var(--font) !important;
    outline: none !important; padding: 2px 7px !important; width: 100% !important; box-shadow: none !important;
}

/* Dropdown menu */
.mrf-conv-menu {
    display: none; position: fixed; z-index: 2147483646;
    min-width: 200px;
    background: rgba(14,14,55,0.98);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-mid); border-radius: 13px;
    padding: 6px 0;
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.05);
    animation: mrf-menu-in .12s ease;
}
.mrf-conv-menu.open { display: block; }
@keyframes mrf-menu-in { from { opacity:0; transform:translateY(-5px) scale(.97); } to { opacity:1; transform:none; } }
.mrf-menu-item { display: flex; align-items: center; gap: 10px; padding: 10px 16px; font-size: 13px; color: var(--text-70); cursor: pointer; transition: background .1s, color .1s; font-family: var(--font); }
.mrf-menu-item:hover { background: var(--glass-hover); color: #fff; }
.mrf-menu-item.danger { color: #fca5a5; }
.mrf-menu-item.danger:hover { background: rgba(239,68,68,0.14); color: #fca5a5; }
.mrf-menu-item svg { flex-shrink: 0; opacity: .7; }
.mrf-menu-sep { height: 1px; background: var(--border-soft); margin: 5px 0; }

/* ════════════════════════════════════════════════════════════
   DRAWER — mobile
════════════════════════════════════════════════════════════ */
.mrf-drawer-overlay {
    display: none;
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.65);
    z-index: 200;
    animation: mrf-fade .2s ease;
}
.mrf-drawer-overlay.open { display: block; }
@keyframes mrf-fade { from { opacity:0; } to { opacity:1; } }

.mrf-drawer {
    display: none;
    position: absolute;
    top: 0; left: 0; bottom: 0;
    width: min(300px, 82vw);
    background: rgba(12,12,42,0.99);
    backdrop-filter: blur(28px); -webkit-backdrop-filter: blur(28px);
    border-right: 1px solid var(--border-mid);
    z-index: 201;
    flex-direction: column;
    box-shadow: 8px 0 48px rgba(0,0,0,0.65);
    transform: translateX(-100%);
    transition: transform .26s cubic-bezier(.4,0,.2,1);
}
.mrf-drawer.open { display: flex; transform: translateX(0); }
.mrf-drawer-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 18px 15px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.mrf-drawer-close {
    background: transparent !important; border: none !important;
    color: var(--text-45) !important; cursor: pointer !important;
    width: 32px !important; height: 32px !important; border-radius: 9px !important;
    display: flex !important; align-items: center !important; justify-content: center !important;
    transition: background .15s, color .15s !important;
}
.mrf-drawer-close:hover { background: var(--glass-hover) !important; color: var(--text) !important; }
.mrf-drawer-credits { padding: 16px 18px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.mrf-drawer-list-header { padding: 14px 18px 10px; display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; border-bottom: 1px solid var(--border); }

/* ════════════════════════════════════════════════════════════
   CHAT AREA
════════════════════════════════════════════════════════════ */
.mrf-chat { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; min-height: 0; }

/* ── WELCOME ── */
.mrf-welcome {
    flex: 1; display: flex; align-items: center; justify-content: center;
    padding: 40px 24px; overflow-y: auto;
    background: radial-gradient(ellipse at 40% 35%, rgba(30,30,90,0.6) 0%, var(--navy-dark) 70%);
}
.mrf-welcome-inner {
    width: 100%; max-width: 620px;
    display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center;
}
.mrf-welcome-greeting {
    font-size: clamp(26px, 5vw, 38px);
    font-weight: 600; color: var(--text);
    letter-spacing: -.02em; line-height: 1.2;
}
.mrf-welcome-sub { font-size: 16px; color: var(--text-45); margin-bottom: 28px; }
.mrf-welcome-input-wrap {
    width: 100%;
    max-width: 560px;
    background: rgba(255,255,255,0.07);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-mid);
    border-radius: 16px;
    padding: 16px 18px 12px;
    display: flex; flex-direction: column; gap: 10px;
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.08);
    transition: border-color .2s, box-shadow .2s;
}
.mrf-welcome-input-wrap:focus-within {
    border-color: rgba(255,255,255,0.28);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.08), 0 0 0 3px rgba(255,193,7,0.09);
}
.mrf-welcome-textarea,
#morfus-app .mrf-welcome-textarea,
.mrf-welcome-input-wrap textarea {
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    color: rgba(255,255,255,0.93) !important;
    font-family: var(--font) !important;
    font-size: var(--fs) !important;
    line-height: 1.65 !important;
    outline: none !important;
    resize: none !important;
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    min-height: 44px !important;
    max-height: 110px !important;
    appearance: none !important;
    -webkit-appearance: none !important;
}
.mrf-welcome-textarea::placeholder,
.mrf-welcome-input-wrap textarea::placeholder { color: rgba(255,255,255,0.45) !important; }
.mrf-welcome-send-btn,
#morfus-app .mrf-welcome-send-btn {
    align-self: flex-end;
    background: #FFC107 !important;
    background-color: #FFC107 !important;
    border: none !important;
    border-radius: 11px !important;
    color: #0e0e2e !important;
    cursor: pointer !important;
    width: 42px !important; height: 42px !important;
    display: flex !important; align-items: center !important; justify-content: center !important;
    transition: transform .15s, box-shadow .15s, opacity .15s !important;
    box-shadow: 0 3px 14px rgba(255,193,7,0.25) !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    opacity: 1 !important;
}
.mrf-welcome-send-btn:hover { transform: translateY(-1px) !important; box-shadow: var(--shadow-amber) !important; }
.mrf-welcome-send-btn:disabled { opacity: .35 !important; transform: none !important; cursor: not-allowed !important; box-shadow: none !important; }

/* ── CHAT ACTIVE ── */
.mrf-chat-active { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-height: 0; }

/* ── MESSAGES WRAP ── */
.mrf-messages-wrap {
    flex: 1; position: relative;
    overflow: hidden; min-height: 0;
    display: flex; flex-direction: column;
}

/* ── MESSAGES ── único elemento com scroll */
.mrf-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px 40px 20px;
    display: flex; flex-direction: column;
    gap: 18px;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* Constrain content width — comfortable reading */
.mrf-messages > * {
    max-width: 720px;
    width: 100%;
}

.mrf-msg-user {
    align-self: flex-end;
    align-items: flex-end;
    max-width: 720px;
}

.mrf-msg-assistant {
    align-self: flex-start;
    align-items: flex-start;
    max-width: 720px;
}
.mrf-messages::-webkit-scrollbar { width: 3px; }
.mrf-messages::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 2px; }

/* Scroll button */
.mrf-scroll-btn {
    position: absolute; bottom: 16px; right: 16px;
    width: 38px; height: 38px;
    background: rgba(20,20,70,0.96) !important;
    backdrop-filter: blur(12px) !important;
    border: 1px solid var(--border-mid) !important;
    border-radius: 50% !important;
    color: var(--text-70) !important; cursor: pointer !important;
    display: flex !important; align-items: center !important; justify-content: center !important;
    box-shadow: var(--shadow-md) !important;
    transition: all .15s !important; z-index: 2147483640;
}
.mrf-scroll-btn:hover { border-color: var(--amber) !important; color: var(--amber) !important; box-shadow: var(--shadow-amber) !important; }

.mrf-loading-msgs { display: flex; justify-content: center; padding: 48px; }

/* ── MENSAGENS ── */
.mrf-msg {
    display: flex; flex-direction: column; position: relative;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}
.mrf-msg.visible { opacity: 1; transform: translateY(0); }
.mrf-msg:hover .mrf-msg-actions { opacity: 1; }
.mrf-msg-user      { align-items: flex-end; }
.mrf-msg-assistant { align-items: flex-start; }

.mrf-msg-role { font-size: 9px; letter-spacing: .22em; text-transform: uppercase; margin-bottom: 8px; font-weight: 700; }
.mrf-msg-user .mrf-msg-role      { color: var(--text-45); }
.mrf-msg-assistant .mrf-msg-role { color: var(--amber); }

.mrf-msg-bubble { max-width: 74%; font-size: var(--fs); line-height: 1.80; white-space: pre-wrap; letter-spacing: .01em; }

/* Balão do aluno — glass com sombra */
.mrf-msg-user .mrf-msg-bubble {
    background: rgba(38,38,108,0.75);
    backdrop-filter: blur(10px);
    color: var(--text-70);
    padding: var(--msg-pv, 16px) var(--msg-ph, 20px);
    border-radius: 16px 16px 4px 16px;
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.06);
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 72%;
    display: inline-block;
    line-height: 1.55;
}

/* Resposta Morfus — linha âmbar + fundo glass subtil */
.mrf-msg-assistant .mrf-msg-bubble {
    color: var(--text);
    padding: var(--msg-pv, 16px) var(--msg-ph, 20px);
    padding-left: calc(var(--msg-ph, 20px) + 14px);
    border-left: 3px solid var(--amber);
    background: rgba(255,255,255,0.04);
    border-radius: 0 14px 14px 14px;
    box-shadow: var(--shadow-sm);
    overflow-wrap: break-word;
    word-break: break-word;
    width: 100%;
    max-width: 100%;
    line-height: 1.55;
}

/* Scanning bar typing animation */
.mrf-typing { display: flex; align-items: center; padding: 8px 0; }
.mrf-typing-bar {
    width: 56px; height: 2px; border-radius: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--amber) 50%, transparent 100%);
    background-size: 200% 100%;
    animation: morfusScan 1.6s ease-in-out infinite;
    opacity: 0.75;
}
@keyframes morfusScan {
    0%   { background-position: -100% 0; }
    100% { background-position: 200% 0; }
}

.mrf-error-msg { color: #fca5a5; font-size: 13px; font-style: italic; padding: 8px 0; text-align: center; }

/* Actions */
.mrf-msg-actions { display: flex; gap: 5px; margin-top: 7px; opacity: 0; transition: opacity .15s; }
.mrf-msg-user .mrf-msg-actions { justify-content: flex-end; }
.mrf-msg-assistant .mrf-msg-actions { justify-content: flex-start; }
.mrf-msg-action-btn {
    background: rgba(255,255,255,0.06) !important;
    backdrop-filter: blur(8px) !important;
    border: 1px solid var(--border-soft) !important;
    color: var(--text-45) !important; cursor: pointer !important;
    width: 29px !important; height: 29px !important; border-radius: 8px !important;
    display: flex !important; align-items: center !important; justify-content: center !important;
    transition: all .13s !important;
    box-shadow: var(--shadow-sm) !important;
}
.mrf-msg-action-btn:hover { background: var(--glass-hover) !important; border-color: var(--border-mid) !important; color: var(--text) !important; }
.mrf-msg-copy.copied { border-color: var(--amber) !important; color: var(--amber) !important; background: var(--amber-soft) !important; }
.mrf-msg-star.starred svg { fill: var(--amber); stroke: var(--amber); }
.mrf-msg-star.starred { color: var(--amber) !important; border-color: rgba(255,193,7,.35) !important; background: var(--amber-soft) !important; }
.mrf-msg-time { font-size: 10px; color: var(--text-20); margin-top: 4px; display: none; letter-spacing: .04em; }
.mrf-msg-time.visible { display: block; }
.mrf-msg-user .mrf-msg-time { text-align: right; }

/* ════════════════════════════════════════════════════════════
   INPUT AREA — flex-shrink:0, sempre visível no fundo
════════════════════════════════════════════════════════════ */
.mrf-input-area {
    flex-shrink: 0;
    border-top: 1px solid var(--border-soft);
    padding: 14px 22px 18px;
    background: rgba(14,14,46,0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 -4px 24px rgba(0,0,0,0.22);
    z-index: 2147483635;
}

/* AI suggestions */
.mrf-ai-suggestions { display: flex; gap: 8px; flex-wrap: wrap; padding: 0 0 12px; }
.mrf-suggestion-btn {
    background: rgba(255,255,255,0.07) !important;
    backdrop-filter: blur(8px) !important;
    border: 1px solid var(--border-soft) !important;
    border-radius: 20px !important; color: var(--text-70) !important;
    cursor: pointer !important; font-family: var(--font) !important;
    font-size: 12px !important; padding: 7px 15px !important;
    white-space: nowrap !important; flex-shrink: 0 !important;
    transition: all .13s !important;
    box-shadow: var(--shadow-sm) !important;
    text-align: left !important;
}
.mrf-suggestion-btn:hover { background: var(--amber-soft) !important; border-color: rgba(255,193,7,.35) !important; color: var(--amber) !important; }

/* Input row */
.mrf-input-row { display: flex; gap: 11px; align-items: flex-end; }
.mrf-input-row textarea {
    flex: 1;
    background: rgba(255,255,255,0.07) !important;
    backdrop-filter: blur(8px) !important;
    border: 1px solid var(--border-soft) !important;
    border-radius: 14px !important;
    color: #fff !important; font-family: var(--font) !important;
    font-size: var(--fs) !important; line-height: 1.55 !important;
    outline: none !important; padding: 13px 17px !important;
    resize: none !important;
    transition: border-color .15s, box-shadow .15s !important;
    min-height: 48px !important; max-height: 140px !important;
    box-shadow: inset 0 1px 6px rgba(0,0,0,0.18) !important;
    -webkit-overflow-scrolling: touch !important;
}
.mrf-input-row textarea:focus { border-color: var(--amber) !important; box-shadow: inset 0 1px 6px rgba(0,0,0,0.18), 0 0 0 3px rgba(255,193,7,0.09) !important; }
.mrf-input-row textarea::placeholder { color: var(--text-45) !important; }

#mrf-send {
    background: var(--amber) !important; border: none !important;
    border-radius: 13px !important; color: #0e0e2e !important;
    cursor: pointer !important; width: 48px !important; height: 48px !important;
    display: flex !important; align-items: center !important; justify-content: center !important;
    flex-shrink: 0 !important;
    transition: transform .15s, box-shadow .15s !important;
    box-shadow: 0 4px 16px rgba(255,193,7,0.25) !important;
}
#mrf-send:hover  { transform: translateY(-2px) !important; box-shadow: var(--shadow-amber) !important; }
#mrf-send:active { transform: none !important; }
#mrf-send:disabled { background: var(--glass) !important; color: var(--text-20) !important; cursor: not-allowed !important; transform: none !important; box-shadow: none !important; }

/* Footer */
.mrf-footer { flex-shrink: 0; background: transparent; border-top: 1px solid var(--border); color: var(--text-20); font-size: 10px; letter-spacing: .06em; padding: 8px 22px; text-align: center; font-style: italic; }


/* ─── DEPTH INDICATOR ─────────────────────────────────────── */
#mrf-depth {
    width: 100%; height: 2px;
    background: var(--border);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}
#mrf-depth-bar {
    height: 100%; background: var(--amber);
    border-radius: 2px; width: 0%;
    transition: width 1.2s ease;
    opacity: 0.5;
}

/* ─── TOAST ────────────────────────────────────────────────── */
#mrf-toast {
    position: fixed;
    bottom: 5rem; left: 50%;
    transform: translateX(-50%);
    background: var(--surface);
    border: 1px solid var(--border-mid);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 0.78rem;
    color: var(--muted);
    z-index: 100002;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    white-space: nowrap;
}
#mrf-toast.visible { opacity: 1; }

/* ─── FONT SIZE ────────────────────────────────────────────── */
#mrf-fontsize {
    background: none !important; border: none !important;
    color: var(--muted) !important; font-size: 0.78rem !important;
    cursor: pointer !important; padding: 0 6px !important;
    transition: color 0.2s !important; flex-shrink: 0 !important;
    font-family: var(--font) !important;
}
#mrf-fontsize:hover { color: var(--amber) !important; }

.mrf-messages.fs-12, .mrf-messages.fs-12 * { font-size: 12px !important; }
.mrf-messages.fs-14, .mrf-messages.fs-14 * { font-size: 14px !important; }
.mrf-messages.fs-16, .mrf-messages.fs-16 * { font-size: 16px !important; }

/* ─── MESSAGE ACTIONS (copy/delete) ───────────────────────── */
.mrf-msg-actions {
    display: flex; gap: 4px; margin-top: 7px; opacity: 0;
    transition: opacity .15s;
}
.mrf-msg-user .mrf-msg-actions { justify-content: flex-end; }
.mrf-msg-assistant .mrf-msg-actions { justify-content: flex-start; }

.mrf-msg-action-btn {
    background: var(--surface) !important;
    border: 1px solid var(--border-soft) !important;
    color: var(--muted) !important; cursor: pointer !important;
    width: 26px !important; height: 26px !important;
    border-radius: 6px !important;
    display: flex !important; align-items: center !important; justify-content: center !important;
    transition: border-color .2s, color .2s !important;
}
.mrf-msg-action-btn:hover { border-color: var(--amber) !important; color: var(--amber) !important; }
.mrf-msg-copy.copied { border-color: var(--amber) !important; color: var(--amber) !important; }
.mrf-msg-delete:hover { border-color: #C4756A !important; color: #C4756A !important; }
.mrf-msg-star.starred svg { fill: var(--amber); stroke: var(--amber); }
.mrf-msg-star.starred { border-color: rgba(255,193,7,.35) !important; color: var(--amber) !important; }


/* ─── NAVIGATION ARROWS ────────────────────────────────────── */
.mrf-nav-arrows {
    position: absolute;
    right: 14px;
    bottom: 60px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 20;
}

.mrf-nav-btn {
    width: 34px; height: 34px;
    background: rgba(26,26,70,0.72) !important;
    backdrop-filter: blur(8px) !important;
    border: 1px solid var(--border-soft) !important;
    border-radius: 50% !important;
    color: var(--text-45) !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    opacity: 0.45;
    transition: opacity .15s, border-color .15s, color .15s !important;
    font-size: 14px !important;
    padding: 0 !important;
}
.mrf-nav-btn:hover {
    opacity: 0.88 !important;
    border-color: var(--amber) !important;
    color: var(--amber) !important;
}

/* ════════════════════════════════════════════════════════════
   MOBILE
════════════════════════════════════════════════════════════ */
@media (max-width: 680px) {
    .mrf-desktop-only { display: none !important; }
    .mrf-mobile-only  { display: flex !important; }
    .mrf-hamburger    { display: flex !important; }

    .mrf-header { padding: 0 16px; height: 54px; }
    .mrf-header-brand { justify-content: center; }
    .mrf-logo-sub { display: none; }

    .mrf-layout { flex-direction: column; }

    .mrf-welcome { padding: 24px 16px; }
    .mrf-welcome-sub { font-size: 14px; margin-bottom: 20px; }
    .mrf-welcome-input-wrap { border-radius: 14px; padding: 14px 14px 12px; }

    .mrf-messages { padding: 16px 16px 14px; gap: 16px; }
    .mrf-messages > *, .mrf-msg-user, .mrf-msg-assistant { max-width: 100%; }
    .mrf-msg-user .mrf-msg-bubble { max-width: 85%; }
    .mrf-msg-bubble { max-width: 93%; }

    .mrf-input-area { padding: 10px 14px 16px; }
    .mrf-input-row textarea { font-size: 16px !important; min-height: 44px !important; }
    #mrf-send { width: 44px !important; height: 44px !important; }

    .mrf-msg-actions { opacity: 1; }

    .mrf-ai-suggestions { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; padding-bottom: 10px; }
    .mrf-ai-suggestions::-webkit-scrollbar { display: none; }
}