@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300..700;1,9..40,300..700&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--font:'DM Sans',system-ui,sans-serif;--radius:12px;--radius-sm:8px;--transition:.2s ease;
/* Safe viewport height: fallback for browsers without dvh */
--vh:100vh;--vh:100dvh}

[data-theme="light"]{--bg:#f7f7f8;--bg-sidebar:#ffffff;--bg-card:#ffffff;--bg-input:#f0f0f2;--bg-msg-user:#e8e8ed;--bg-msg-ai:#ffffff;--border:#e2e2e6;--text:#1a1a1e;--text-secondary:#6b6b76;--text-muted:#9e9ea8;--accent:#6c47ff;--accent-hover:#5a38e0;--danger:#e03e3e;--success:#16a34a;--shadow:0 1px 3px rgba(0,0,0,.06);--shadow-lg:0 8px 30px rgba(0,0,0,.08)}
[data-theme="dark"]{--bg:#0d0d0f;--bg-sidebar:#161618;--bg-card:#1e1e22;--bg-input:#2a2a30;--bg-msg-user:#2a2a30;--bg-msg-ai:#1e1e22;--border:#2e2e34;--text:#e8e8ed;--text-secondary:#a0a0ab;--text-muted:#6b6b76;--accent:#8b6cff;--accent-hover:#a58aff;--danger:#ff5c5c;--success:#34d399;--shadow:0 1px 3px rgba(0,0,0,.3);--shadow-lg:0 8px 30px rgba(0,0,0,.4)}

/* ═══ Nuclear WP override ═══ */
html{background:var(--bg) !important;height:100% !important}
body.avaai-body{
    background:var(--bg) !important;color:var(--text) !important;font-family:var(--font) !important;
    overflow:hidden !important;margin:0 !important;padding:0 !important;
    height:100% !important;
    /* Prevent iOS bounce / overscroll */
    overscroll-behavior:none;
    -webkit-overflow-scrolling:touch;
}
body.avaai-body .site-header,body.avaai-body .site-footer,body.avaai-body .elementor-location-header,body.avaai-body .elementor-location-footer,body.avaai-body header.site-header,body.avaai-body footer.site-footer,body.avaai-body #masthead,body.avaai-body #colophon,body.avaai-body .hfeed>header,body.avaai-body .hfeed>footer{display:none !important}

/* ═══ Form elements ═══ */
body.avaai-body input[type="text"],body.avaai-body input[type="password"],body.avaai-body input[type="email"],body.avaai-body input[type="tel"],body.avaai-body input[type="number"],body.avaai-body input[type="url"],body.avaai-body input[type="search"],body.avaai-body textarea,body.avaai-body select{
    background:var(--bg-input) !important;color:var(--text) !important;border:1px solid var(--border) !important;border-radius:var(--radius-sm) !important;font-family:var(--font) !important;font-size:16px !important;padding:.7rem 1rem !important;-webkit-appearance:none !important;appearance:none !important}
body.avaai-body input:focus,body.avaai-body textarea:focus,body.avaai-body select:focus{outline:none !important;border-color:var(--accent) !important}
body.avaai-body select option{background:var(--bg-card) !important;color:var(--text) !important}
body.avaai-body ::placeholder{color:var(--text-muted) !important;opacity:1 !important}
body.avaai-body input[type="checkbox"]{-webkit-appearance:checkbox !important;appearance:checkbox !important;width:16px !important;height:16px !important;padding:0 !important;background:var(--bg-input) !important;border:1px solid var(--border) !important;border-radius:3px !important;cursor:pointer !important;flex-shrink:0 !important;accent-color:var(--accent) !important}

/* ═══ Screens ═══ */
.avaai-screen{width:100%;height:var(--vh);height:100dvh}

/* ═══ Impersonation ═══ */
.avaai-impersonation-banner{position:fixed;top:0;left:0;right:0;z-index:9999;background:#f59e0b !important;color:#000 !important;padding:.5rem 1.25rem;display:flex;align-items:center;justify-content:center;font-size:.88rem;font-weight:600;gap:.5rem}

/* ═══ Login ═══ */
.avaai-login-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:var(--vh);min-height:100dvh;padding:2rem}
.avaai-login-card{background:var(--bg-card) !important;border:1px solid var(--border) !important;border-radius:var(--radius);padding:2.5rem;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}
.avaai-logo-mark{font-size:1.75rem;font-weight:700;letter-spacing:-.02em;text-align:center;margin-bottom:2rem;color:var(--text) !important}
.avaai-logo-mark span{color:var(--accent) !important}
.avaai-field{margin-bottom:1rem}
.avaai-field input{width:100%}
.avaai-checkbox-label{display:flex;align-items:flex-start;gap:.5rem;font-size:.85rem;color:var(--text-secondary) !important;margin-bottom:1.25rem;cursor:pointer}
.avaai-checkbox-label a{color:var(--accent) !important;text-decoration:underline}

/* ═══ Buttons ═══ */
.avaai-btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.65rem 1.25rem;border:none !important;border-radius:var(--radius-sm);font-family:var(--font);font-size:.95rem;font-weight:600;cursor:pointer;transition:background var(--transition),opacity var(--transition)}
.avaai-btn:disabled{opacity:.4;cursor:not-allowed}
.avaai-btn-sm{padding:.35rem .65rem;font-size:.82rem}
.avaai-btn-primary{background:var(--accent) !important;color:#fff !important}
.avaai-btn-primary:hover:not(:disabled){background:var(--accent-hover) !important}
.avaai-btn-danger{background:var(--danger) !important;color:#fff !important}
.avaai-btn-flat{background:none !important;border:none !important;color:var(--text-secondary) !important;cursor:pointer;font-family:var(--font);font-size:.9rem;display:flex;align-items:center;gap:.4rem;padding:.5rem .75rem;border-radius:var(--radius-sm)}
.avaai-btn-flat:hover{background:var(--bg-input) !important}
.avaai-warning{max-width:460px;margin-top:1.5rem;text-align:center;color:var(--danger) !important;font-size:.82rem;line-height:1.5}
.avaai-error{color:var(--danger) !important;font-size:.85rem;margin-top:.75rem;min-height:1.2em}

/* ═══════════════════════════════════════
   CHAT LAYOUT — uses dvh for mobile safety
   ═══════════════════════════════════════ */
#avaai-chat-screen{
    display:none;flex-direction:row;
    height:var(--vh);height:100dvh;
    overflow:hidden;
}

/* ── Sidebar (desktop) ── */
body.avaai-body .avaai-sidebar{
    width:280px;flex-shrink:0;
    background:var(--bg-sidebar) !important;
    border-right:1px solid var(--border) !important;
    display:flex;flex-direction:column;
    height:var(--vh);height:100dvh;
    overflow:hidden;
}
.avaai-sidebar-header{padding:1rem;flex-shrink:0}
.avaai-btn-new{width:100%;padding:.6rem;background:var(--bg-input) !important;color:var(--text) !important;border:1px solid var(--border) !important;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.4rem;justify-content:center;font-family:var(--font)}
.avaai-btn-new:hover{background:var(--border) !important}
.avaai-sidebar-search{padding:0 1rem .75rem;flex-shrink:0}
.avaai-sidebar-search input{width:100%;padding:.5rem .75rem !important;font-size:16px !important}
.avaai-chat-list{flex:1;overflow-y:auto;list-style:none;padding:0 .5rem;min-height:0}
.avaai-chat-list li{position:relative;padding:.55rem .75rem;border-radius:var(--radius-sm);cursor:pointer;font-size:.88rem;color:var(--text-secondary) !important;white-space:nowrap;overflow:visible;transition:background var(--transition);display:flex;align-items:center;justify-content:space-between}
.avaai-chat-list li:hover{background:var(--bg-input) !important}
.avaai-chat-list li.active{background:var(--bg-input) !important;color:var(--text) !important;font-weight:600}
.avaai-chat-list li .chat-title-text{flex:1;overflow:hidden;text-overflow:ellipsis}

.avaai-dots-btn{background:none !important;border:none !important;color:var(--text-muted) !important;cursor:pointer;padding:4px 6px;font-size:1.2rem;line-height:1;opacity:0;transition:opacity var(--transition);flex-shrink:0;position:relative;z-index:10}
.avaai-chat-list li:hover .avaai-dots-btn,.avaai-dots-btn.open{opacity:1}
.avaai-dots-menu{position:absolute;right:4px;top:calc(100% + 2px);background:var(--bg-card) !important;border:1px solid var(--border) !important;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);z-index:200;min-width:130px;display:none}
.avaai-dots-menu.show{display:block}
.avaai-dots-menu button{display:block;width:100%;text-align:left;padding:.5rem .75rem;border:none !important;background:none !important;color:var(--text) !important;font-size:.85rem;cursor:pointer;font-family:var(--font)}
.avaai-dots-menu button:hover{background:var(--bg-input) !important}
.avaai-dots-menu button.danger{color:var(--danger) !important}

/* Sidebar footer — MUST be visible, never cut off */
.avaai-sidebar-footer{
    padding:.75rem 1rem;
    border-top:1px solid var(--border) !important;
    flex-shrink:0;
    /* Ensure it's always at the bottom and visible */
}

.avaai-search-results{padding:0 .75rem;max-height:300px;overflow-y:auto}
.avaai-search-results .search-hit{padding:.5rem;border-radius:var(--radius-sm);cursor:pointer;font-size:.82rem;color:var(--text-secondary) !important;border-bottom:1px solid var(--border) !important}
.avaai-search-results .search-hit:hover{background:var(--bg-input) !important}
.avaai-search-results .search-hit strong{color:var(--text) !important}

/* ── Main chat area ── */
body.avaai-body .avaai-main{
    flex:1;display:flex;flex-direction:column;
    height:var(--vh);height:100dvh;
    min-width:0;
    background:var(--bg) !important;
    overflow:hidden;
}
body.avaai-body .avaai-chat-header{
    padding:.75rem 1.25rem;
    border-bottom:1px solid var(--border) !important;
    font-weight:600;font-size:.95rem;
    flex-shrink:0;
    background:var(--bg-sidebar) !important;
    color:var(--text) !important;
}
body.avaai-body .avaai-messages{
    flex:1;overflow-y:auto;padding:1.5rem;
    display:flex;flex-direction:column;gap:1.25rem;
    background:var(--bg) !important;
    min-height:0;
    /* Allow this to shrink so input bar stays visible */
}

/* ═══ Messages ═══ */
.avaai-msg{display:flex;gap:.75rem;max-width:780px;width:100%;margin:0 auto}
.avaai-msg-avatar-col{display:flex;flex-direction:column;align-items:center;gap:.2rem;flex-shrink:0;min-width:40px}
.avaai-msg-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.75rem;color:#fff;background:var(--accent) !important;overflow:hidden}
.avaai-msg-avatar img{width:100%;height:100%;object-fit:cover}
.avaai-msg-avatar-label{font-size:.65rem;color:var(--text-muted) !important;font-weight:600;text-align:center;max-width:50px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.avaai-msg-body{flex:1;min-width:0}
.avaai-msg-content{padding:.85rem 1rem;border-radius:var(--radius);font-size:.92rem;line-height:1.6;white-space:pre-wrap;word-break:break-word;color:var(--text) !important}
.avaai-msg.user .avaai-msg-content{background:var(--bg-msg-user) !important}
.avaai-msg.assistant .avaai-msg-content{background:var(--bg-msg-ai) !important;border:1px solid var(--border) !important}
.avaai-msg-meta{font-size:.72rem;color:var(--text-muted) !important;margin-top:.3rem;padding-left:.25rem}

.avaai-typing{display:flex;gap:4px;padding:.85rem 1rem}
.avaai-typing span{width:8px;height:8px;border-radius:50%;background:var(--text-muted);animation:typingBounce .6s infinite alternate}
.avaai-typing span:nth-child(2){animation-delay:.15s}
.avaai-typing span:nth-child(3){animation-delay:.3s}
@keyframes typingBounce{to{opacity:.3;transform:translateY(-4px)}}

.avaai-token-warning{margin:1rem auto;max-width:600px;background:var(--bg-card) !important;border:1px solid var(--danger) !important;border-radius:var(--radius);padding:1.25rem;text-align:center;color:var(--danger) !important;font-size:.9rem;line-height:1.5}
.avaai-token-warning a{color:var(--accent) !important;text-decoration:underline}

/* ── Input bar — MUST stay visible on mobile ── */
body.avaai-body .avaai-input-bar{
    padding:.75rem 1.25rem;
    border-top:1px solid var(--border) !important;
    display:flex;gap:.5rem;align-items:flex-end;
    background:var(--bg-sidebar) !important;
    flex-shrink:0;
    /* Prevent being pushed off screen */
    min-height:56px;
}
body.avaai-body .avaai-input-bar textarea{flex:1;resize:none;max-height:120px;line-height:1.4;width:100%}
body.avaai-body .avaai-input-bar textarea:disabled{opacity:.5;cursor:not-allowed}
.avaai-btn-send{width:40px;height:40px;border-radius:50%;background:var(--accent) !important;color:#fff !important;border:none !important;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.avaai-btn-send:hover{background:var(--accent-hover) !important}
.avaai-btn-send:disabled{opacity:.4;cursor:not-allowed}

/* ═══ Modals ═══ */
.avaai-modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center}
.avaai-modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.5)}
body.avaai-body .avaai-modal-content{position:relative;background:var(--bg-card) !important;border:1px solid var(--border) !important;border-radius:var(--radius);width:90%;max-width:520px;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-lg);color:var(--text) !important}
.avaai-modal-sm{max-width:360px}
body.avaai-body .avaai-modal-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;border-bottom:1px solid var(--border) !important;background:transparent !important}
body.avaai-body .avaai-modal-header h2{font-size:1.1rem;color:var(--text) !important}
.avaai-modal-close{background:none !important;border:none !important;font-size:1.5rem;color:var(--text-muted) !important;cursor:pointer;line-height:1}
.avaai-modal-body{padding:1.25rem}
.avaai-settings-body{display:flex;flex-direction:column;gap:.85rem}
.avaai-setting-group{display:flex;flex-direction:column;gap:.3rem}
body.avaai-body .avaai-setting-group label{font-size:.82rem;font-weight:600;color:var(--text-secondary) !important}
.avaai-settings-body input,.avaai-settings-body textarea,.avaai-settings-body select{width:100%}
.avaai-settings-body hr{border:none !important;border-top:1px solid var(--border) !important;margin:.5rem 0}
.avaai-section-title{font-size:.95rem;font-weight:700;color:var(--text) !important;margin-bottom:.25rem}

.avaai-avatar-upload{display:flex;gap:.5rem;align-items:center}
.avaai-avatar-preview{width:36px;height:36px;border-radius:50%;background:var(--accent) !important;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.75rem;overflow:hidden;flex-shrink:0}
.avaai-avatar-preview img{width:100%;height:100%;object-fit:cover}
.avaai-avatar-upload input[type="text"]{flex:1}
.avaai-upload-btn{cursor:pointer;background:var(--bg-input) !important;border:1px solid var(--border) !important;border-radius:var(--radius-sm);padding:.35rem .65rem;font-size:.8rem;font-family:var(--font);color:var(--text-secondary) !important;white-space:nowrap}
.avaai-upload-btn:hover{background:var(--border) !important}

.avaai-pw-message{font-size:.85rem;min-height:1.3em;padding:.2rem 0}
.avaai-pw-message.error{color:var(--danger) !important}
.avaai-pw-message.success{color:var(--success) !important}
.avaai-autosave-status{font-size:.78rem;min-height:1.2em;color:var(--text-muted) !important}
.avaai-autosave-status.saving{color:var(--accent) !important}
.avaai-autosave-status.saved{color:var(--success) !important}

/* ═══════════════════════════════════════
   MOBILE — critical fixes
   ═══════════════════════════════════════ */
.avaai-hamburger{
    display:none;position:fixed;top:.75rem;left:.75rem;z-index:200;
    background:var(--bg-card) !important;border:1px solid var(--border) !important;
    border-radius:var(--radius-sm);padding:.4rem;cursor:pointer;color:var(--text) !important;
}
.avaai-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:150}

@media(max-width:768px){
    body.avaai-body .avaai-sidebar{
        position:fixed;left:-290px;top:0;z-index:160;
        transition:left .25s ease;
        box-shadow:var(--shadow-lg);
        height:var(--vh) !important;height:100dvh !important;
    }
    body.avaai-body .avaai-sidebar.open{left:0}
    .avaai-overlay.open{display:block}
    .avaai-hamburger{display:flex}
    .avaai-chat-header{padding-left:3.5rem}

    /* Main area must fill screen and keep input visible */
    body.avaai-body .avaai-main{
        height:var(--vh) !important;height:100dvh !important;
    }

    /* Prevent iOS zoom on input focus */
    body.avaai-body .avaai-input-bar textarea{
        font-size:16px !important;
    }
}

::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}