/* =====================================================================
   ZENVYRA AI — style.css
   One authoritative stylesheet: theme variables, sidebar/drawer,
   settings, chat, responsive rules (360px → desktop), dark mode.
   ===================================================================== */

:root{
  --deep:#123b3a;--ink:#123b3a;--green:#2f8f83;--mint:#78dfbc;--ice:#d9f3ec;--pale:#edf9f5;
  --text:#173f3a;--muted:#6c8984;--border:#d9ece7;
  --shadow:0 18px 50px rgba(18,59,58,.10);--radius:22px;
  --accent:#78dfbc;--on-accent:#123b3a;
  --page-bg:#f5fffb;--surface:#ffffff;--sidebar-bg:#ffffff;--input-bg:#fbfffd;
  --topbar-bg:rgba(255,255,255,.92);
  --hero-bg:linear-gradient(135deg,#e9faf4,#ffffff);
  --btn-text:#315e58;--label:#8aa39f;
  --primary-bg:#123b3a;--primary-hover:#1d5752;--primary-text:#ffffff;
  --track:#e7f1ee;
  --danger-bg:#fff1f1;--danger-text:#a33737;
  --logout-bg:#fff5ef;--logout-text:#9c4b2f;
  --banner-bg:#123b3a;--banner-text:#c7e1db;
  --result-text:#365d57;
  --code-bg:#eaf5f1;
  --backdrop:rgba(10,35,33,.48);
  --auth-bg:radial-gradient(circle at 80% 10%,#d9f3ec,transparent 35%),#f5fffb;
  --focus-ring:#d9f3ec;
  --sidebar-full:260px;
  --sidebar-w:260px;
}

/* ---------- Dark theme (html.dark-mode is set by script.js) ---------- */
html.dark-mode{
  --ink:#e8f5f2;
  --text:#e8f5f2;--muted:#9dbab5;--border:#28504b;--pale:#1b3d39;--ice:#1f4742;
  --shadow:0 18px 50px rgba(0,0,0,.35);
  --page-bg:#0f2422;--surface:#173532;--sidebar-bg:#122b29;--input-bg:#122b29;
  --topbar-bg:rgba(18,43,41,.92);
  --hero-bg:linear-gradient(135deg,#173532,#122b29);
  --btn-text:#b9d6d0;--label:#8fb0aa;
  --primary-bg:var(--accent);--primary-hover:var(--accent);--primary-text:var(--on-accent);
  --track:#28504b;
  --danger-bg:#3a2222;--danger-text:#ffb3b3;
  --logout-bg:#3a2b22;--logout-text:#ffcfae;
  --banner-bg:#1d5752;--banner-text:#d9f3ec;
  --result-text:#c7e1db;
  --code-bg:#0f2422;
  --backdrop:rgba(0,0,0,.6);
  --auth-bg:radial-gradient(circle at 80% 10%,#1f4742,transparent 35%),#0f2422;
  --focus-ring:#28504b;
}

/* Tablet-landscape / small laptop: narrower docked sidebar */
@media(min-width:901px) and (max-width:1100px){
  :root{--sidebar-full:230px;--sidebar-w:230px}
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;min-height:100%;overflow-y:scroll;overflow-x:hidden;-webkit-text-size-adjust:100%}
body{
  margin:0;min-height:100vh;overflow-x:hidden;overflow-y:auto;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--page-bg);color:var(--text);
  transition:background .2s,color .2s;
}
body.drawer-open{overflow:hidden}
img{max-width:100%}
button{font-family:inherit}
input,textarea,select{font-family:inherit;color:var(--text)}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}

/* ===== SIDEBAR ===== */
#sidebar{
  position:fixed;inset:0 auto 0 0;width:var(--sidebar-full);
  background:var(--sidebar-bg);border-right:1px solid var(--border);
  padding:20px 14px;display:flex;flex-direction:column;z-index:30;
  overflow-y:auto;overflow-x:hidden;
  transition:transform .25s ease;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 18px}
.brand img{width:38px;height:38px}
.brand strong{display:block;font-size:18px}
.brand span{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.brand .icon-btn{display:none;margin-left:auto}
nav{display:grid;gap:4px}
nav button,.sidebar-bottom button{
  border:0;background:transparent;text-align:left;padding:10px 12px;border-radius:12px;
  color:var(--btn-text);font-weight:600;font-size:14px;cursor:pointer;width:100%;
}
nav button:hover,.sidebar-bottom button:hover{background:var(--pale);color:var(--ink)}
.new-chat{border:0;background:var(--primary-bg);color:var(--primary-text);border-radius:13px;padding:12px;margin:0 0 14px;font-weight:700;cursor:pointer;width:100%}
.new-chat:hover{background:var(--primary-hover)}
.side-label{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--label);margin:16px 10px 7px}
.sidebar-bottom{margin-top:auto;border-top:1px solid var(--border);padding-top:10px;flex:0 0 auto}
.sidebar-bottom .sidebar-profile{
  display:flex;align-items:center;gap:10px;padding:8px 10px;margin-bottom:6px;
  border:1px solid var(--border);border-radius:14px;background:var(--pale);
}
.sidebar-profile img{width:38px;height:38px;border-radius:50%;object-fit:cover;flex:0 0 auto;background:var(--ice)}
.sidebar-profile .sp-text{display:flex;flex-direction:column;min-width:0}
.sidebar-profile strong{font-size:14px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-profile small{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ===== CHAT HISTORY LIST ===== */
#leftSidebarHistory{
  flex:1 1 auto;min-height:90px;
  overflow-y:auto;overflow-x:hidden;scroll-behavior:smooth;
  display:flex;flex-direction:column;gap:1px;padding:0 2px 8px;
  scrollbar-width:thin;
}
.sidebar-history-item{
  width:100%;flex:0 0 auto;border:0;background:transparent;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 10px;border-radius:12px;color:var(--muted);font-size:13px;
  transition:background .15s;
}
.sidebar-history-item .history-title{
  flex:1 1 auto;min-width:0;font-weight:600;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.sidebar-history-item .history-time{flex:0 0 auto;font-size:11px;color:var(--muted)}
.sidebar-history-item:hover{background:var(--pale)}
.sidebar-history-item.active{background:var(--ice)}
.sidebar-history-item.active .history-title{color:var(--ink)}

/* Drawer backdrop (only ever shown in drawer mode) */
#sidebarOverlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:250;display:none}
#sidebarOverlay.show{display:block}

/* ===== LAYOUT ===== */
.shell{margin-left:var(--sidebar-w);min-height:100vh;display:block;min-width:0;transition:margin-left .25s ease}

/* Desktop only: hamburger collapses the docked sidebar */
@media(min-width:901px){
  body.sidebar-collapsed{--sidebar-w:0px}
  body.sidebar-collapsed #sidebar{transform:translateX(-100%)}
  #sidebarOverlay{display:none!important}
}

/* ===== TOP BAR ===== */
.topbar{
  min-height:78px;background:var(--topbar-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  display:flex;flex-wrap:nowrap;align-items:center;gap:12px;
  padding:0 30px;position:sticky;top:0;z-index:20;
}
.topbar > div:not(.top-actions){min-width:0;flex:1 1 auto}
.topbar h1{font-size:16px;margin:2px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.eyebrow{font-size:10px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--green)}
.icon-btn{border:0;background:var(--pale);color:var(--ink);border-radius:11px;width:38px;height:38px;flex:0 0 auto;cursor:pointer;font-size:16px}
.top-actions{margin-left:auto;display:flex;flex-wrap:nowrap;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.mode-switch{display:flex;flex:0 0 auto}
.mode-btn{
  position:relative;border:1px solid var(--border);background:var(--surface);padding:9px 14px;
  font-weight:700;color:var(--btn-text);white-space:nowrap;cursor:pointer;
  transition:background .15s,color .15s;font-size:14px;
}
.mode-btn.active{background:var(--primary-bg);color:var(--primary-text);border-color:var(--primary-bg);z-index:1}
#studentToolsBtn{border-radius:11px 0 0 11px}
#teacherToolsBtn{border-radius:0 11px 11px 0;margin-left:-1px}
.profile{
  display:flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--surface);
  border-radius:30px;padding:4px 12px 4px 4px;font-weight:700;color:var(--text);
  flex:0 1 auto;min-width:0;cursor:pointer;font-size:14px;
}
.profile img{width:30px;height:30px;border-radius:50%;object-fit:cover;flex:0 0 auto;background:var(--ice)}
.profile span{max-width:140px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ===== DASHBOARD ===== */
.dashboard{max-width:1320px;margin:auto;padding:28px;min-width:0}
.hero{display:flex;justify-content:space-between;align-items:center;gap:20px;background:var(--hero-bg);border:1px solid var(--border);border-radius:28px;padding:34px 38px;box-shadow:var(--shadow)}
.hero h2{font-size:34px;line-height:1.08;margin:10px 0}
.hero p{max-width:680px;color:var(--muted);margin:0;line-height:1.6}
.hero-mark img{width:90px;height:90px;filter:drop-shadow(0 10px 20px rgba(18,59,58,.14))}
.pill{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--ice);color:var(--ink);font-size:11px;font-weight:800}
.tool-section{margin-top:34px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:15px}
.section-heading h2{margin:5px 0 0;font-size:23px}
.section-heading p{color:var(--muted);font-size:13px;margin:0}
.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.tool-card{border:1px solid var(--border);background:var(--surface);border-radius:19px;padding:20px;min-height:175px;display:flex;flex-direction:column;box-shadow:0 7px 24px rgba(18,59,58,.045);transition:.2s}
.tool-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#b9ddd4}
.tool-icon{font-size:24px}
.tool-card h3{font-size:16px;margin:10px 0 5px}
.tool-card p{font-size:12px;color:var(--muted);line-height:1.45;margin:0 0 12px}
.tool-card button{margin-top:auto;align-self:flex-start;border:0;background:var(--pale);color:var(--ink);padding:9px 12px;border-radius:10px;font-weight:800;cursor:pointer}
.tool-card button:hover{background:var(--accent);color:var(--on-accent)}
.teacher-banner{display:flex;gap:15px;align-items:center;background:var(--banner-bg);color:#fff;border-radius:22px;padding:23px 25px}
.banner-icon{font-size:30px}
.teacher-banner h2{margin:5px 0}
.teacher-banner p{margin:0;color:var(--banner-text);font-size:13px}
.teacher-banner .eyebrow{color:var(--accent)}

/* ===== CHAT PANEL + MESSAGE BUBBLES ===== */
.chat-panel{
  margin:34px auto 0;width:100%;max-width:1000px;background:var(--surface);
  border:1px solid var(--border);border-radius:22px;padding:24px 24px 110px;min-width:0;
}
.status-dot{font-size:12px;color:var(--green);font-weight:800;white-space:nowrap}
#ai-response:empty,.ai-response:empty{display:none}
.ai-response{margin:15px 0;padding:18px;border:1px solid var(--border);border-radius:15px;background:var(--input-bg)}

#chat-history{display:flex;flex-direction:column;gap:8px;min-width:0}
#chat-history:empty{display:none}
.msg-row{display:flex;width:100%;min-width:0}
.msg-row.user{justify-content:flex-end}
.msg-row.ai{justify-content:flex-start}
.bubble{
  max-width:min(76%,640px);min-width:0;padding:10px 14px;font-size:14.5px;line-height:1.55;
  overflow-wrap:anywhere;word-wrap:break-word;word-break:break-word;
  box-shadow:0 1px 2px rgba(18,59,58,.08);
  animation:bubbleIn .18s ease-out;
}
.user-bubble{background:var(--accent);color:var(--on-accent);border-radius:18px 18px 4px 18px}
.ai-bubble{background:var(--pale);color:var(--text);border:1px solid var(--border);border-radius:18px 18px 18px 4px}
.bubble h3,.bubble h4{margin:6px 0 4px}
.bubble li{margin-left:18px;list-style:disc;display:list-item}
.bubble pre{
  max-width:100%;overflow-x:auto;margin:8px 0;padding:10px 12px;border-radius:10px;
  background:var(--code-bg);color:var(--text);font-size:13px;line-height:1.5;white-space:pre;
  -webkit-overflow-scrolling:touch;
}
.bubble code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}
.bubble :not(pre)>code{background:var(--code-bg);padding:1px 5px;border-radius:6px}
@keyframes bubbleIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.bubble{animation:none}*{scroll-behavior:auto!important}}

.history-item{padding:12px;border-bottom:1px solid var(--border);font-size:13px}

/* ===== SEARCH / CHAT INPUT BAR ===== */
.chat-input{
  position:fixed;bottom:7px;left:calc(var(--sidebar-w) + 28px);right:28px;z-index:50;
  display:flex;align-items:center;gap:7px;
  border:1px solid var(--border);border-radius:17px;padding:6px;background:var(--input-bg);
  box-shadow:0 8px 25px rgba(18,59,58,.10);
  transition:left .25s ease;
}
.chat-input input{flex:1;min-width:0;border:0;outline:0;padding:13px;background:transparent;color:var(--text);font-size:15px}
.chat-input button{border:0;background:var(--pale);color:var(--ink);width:38px;height:38px;border-radius:11px;flex:0 0 auto;cursor:pointer}
.chat-input .send{background:var(--accent);color:var(--on-accent)}
.microcopy{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:11px}
.microcopy img{width:18px;height:18px}
.voice-status{font-size:11px;color:var(--green);min-height:15px}

/* ===== MODALS ===== */
.modal{position:fixed;inset:0;background:var(--backdrop);display:grid;place-items:center;padding:20px;z-index:500}
.modal[hidden],#welcome-screen[hidden],#teacherCardsSection[hidden],#studentCardsSection[hidden]{display:none}
.wizard-card,.result-card,.small-modal{
  width:min(760px,100%);max-height:92vh;max-height:92dvh;overflow:auto;overflow-x:hidden;
  background:var(--surface);color:var(--text);border-radius:26px;box-shadow:0 30px 90px rgba(0,0,0,.22);padding:28px;
}
.small-modal{width:min(520px,100%)}
.small-modal.about{width:min(720px,100%)}
.close-modal{float:right;border:0;background:var(--pale);width:36px;height:36px;border-radius:10px;font-size:20px;color:var(--ink);cursor:pointer;margin-left:10px}
.wizard-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 20px;margin-bottom:20px}
.wizard-head h2{font-size:25px;margin:6px 0}
.wizard-head p{margin:0;color:var(--muted);font-size:13px}
.wizard-step-count{font-size:12px;font-weight:800;color:var(--green);white-space:nowrap}
.progress-track{height:7px;background:var(--track);border-radius:99px;overflow:hidden;margin-bottom:28px}
.progress-track div{height:100%;background:var(--green);width:0;transition:.25s}
.wizard-question{font-size:23px;font-weight:800;margin:5px 0 8px}
.wizard-help{color:var(--muted);font-size:13px;margin-bottom:18px}
.wizard-field{margin:12px 0}
.wizard-field label{display:block;font-size:12px;font-weight:800;margin-bottom:7px}
.wizard-field input,.wizard-field select,.wizard-field textarea{width:100%;border:1px solid var(--border);border-radius:13px;padding:13px;outline:0;background:var(--input-bg);color:var(--text)}
.wizard-field input:focus,.wizard-field select:focus,.wizard-field textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px var(--focus-ring)}
.file-meta{font-size:12px;color:var(--muted);margin-top:8px;overflow-wrap:anywhere}
.option-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.option{border:1px solid var(--border);background:var(--surface);border-radius:13px;padding:14px;text-align:left;font-weight:700;color:var(--btn-text);cursor:pointer}
.option.selected{border-color:var(--green);background:var(--ice);color:var(--ink)}
.wizard-actions{display:flex;justify-content:space-between;gap:10px;margin-top:25px}
.primary,.secondary,.danger,.logout{border:0;border-radius:12px;padding:12px 16px;font-weight:800;cursor:pointer}
.primary{background:var(--primary-bg);color:var(--primary-text)}
.primary:hover{background:var(--primary-hover)}
.primary:disabled,.secondary:disabled{opacity:.55;cursor:not-allowed}
.secondary{background:var(--pale);color:var(--ink);border:1px solid var(--border)}
.danger{background:var(--danger-bg);color:var(--danger-text)}
.logout{background:var(--logout-bg);color:var(--logout-text)}
.wizard-status,.export-status{font-size:12px;color:var(--muted);min-height:20px;margin-top:8px}
.wizard-status.error,.auth-message{color:#b43d3d}
.auth-message.success{color:var(--green)}

.result-card{width:min(900px,100%)}
.result-body{margin-top:20px;min-width:0}
.result-body h2{margin-bottom:5px}
.result-body .subtitle{color:var(--muted)}
.result-section{padding:15px 0;border-top:1px solid var(--border)}
.result-section h4{margin:0 0 8px}
.result-section ul{margin:0;padding-left:20px;line-height:1.7}
.result-section img{max-width:100%;height:auto}
.result-text{line-height:1.7;color:var(--result-text);overflow-wrap:anywhere}
.result-text pre{max-width:100%;overflow-x:auto;background:var(--code-bg);padding:10px 12px;border-radius:10px}
.result-actions{display:flex;gap:8px;align-items:center;border-top:1px solid var(--border);padding-top:18px;margin-top:18px}
.export-menu{position:relative;margin-left:auto}
.download-menu{position:absolute;right:0;bottom:48px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:6px;box-shadow:var(--shadow);min-width:130px;z-index:5}
.download-menu[hidden]{display:none}
.download-menu button{display:block;width:100%;border:0;background:var(--surface);color:var(--text);text-align:left;padding:9px;border-radius:8px;cursor:pointer}
.download-menu button:hover{background:var(--pale)}

/* ===== AUTH / WELCOME ===== */
.auth-screen{position:fixed;inset:0;background:var(--auth-bg);display:flex;justify-content:center;align-items:flex-start;padding:40px 20px;z-index:1000;overflow-y:auto;overflow-x:hidden}
.auth-screen[hidden]{display:none!important}
.auth-card,.welcome-card{width:min(460px,100%);background:var(--surface);border:1px solid var(--border);border-radius:28px;padding:34px;box-shadow:var(--shadow)}
.auth-logo{width:58px;height:58px;margin-bottom:12px}
.auth-card h1,.welcome-card h1{font-size:28px;margin:7px 0}
.auth-card>p,.welcome-card>p{color:var(--muted);font-size:13px}
.auth-card label{display:block;font-size:12px;font-weight:800;margin:12px 0}
.auth-card input{display:block;width:100%;margin-top:6px;padding:12px;border:1px solid var(--border);border-radius:12px;outline:0;background:var(--input-bg)}
.role-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:8px}
.role-buttons button{border:1px solid var(--border);background:var(--surface);padding:11px 4px;border-radius:11px;font-weight:700;color:var(--btn-text);cursor:pointer}
.role-buttons button.active{background:var(--ice);border-color:var(--green);color:var(--ink)}
.field-label{font-size:12px;font-weight:800}
.full{width:100%;margin-top:12px}
.text-btn{border:0;background:transparent;color:var(--green);width:100%;padding:10px;font-weight:700;cursor:pointer}
.founder{margin:20px 0;padding:15px;background:var(--pale);border-radius:14px;display:flex;flex-direction:column;gap:4px}
.founder span{font-size:12px;color:var(--muted)}

/* ===== ABOUT ZENVYRA ===== */
.about-head{text-align:center;padding-top:4px}
.about-logo{width:64px;height:64px}
.about-head h2{margin:6px 0 4px;font-size:26px}
.about-lead{color:var(--muted);font-size:14px;line-height:1.65;margin:0 auto;max-width:560px}
.about-section{margin-top:22px;padding-top:18px;border-top:1px solid var(--border);text-align:left}
.about-section h3{margin:0 0 8px;font-size:17px}
.about-section p{margin:0 0 8px;font-size:14px;line-height:1.7;color:var(--result-text)}
.about-section ul{margin:8px 0 0;padding-left:20px;font-size:14px;line-height:1.75;color:var(--result-text)}
.about-tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 24px;list-style:disc}
.workflow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:12px}
.workflow div{background:var(--pale);border:1px solid var(--border);border-radius:14px;padding:12px 8px;text-align:center}
.workflow strong{display:block;font-size:14px;color:var(--ink)}
.workflow span{display:block;font-size:11px;color:var(--muted);margin-top:4px;line-height:1.4}
.about .founder{text-align:left}

/* ===== SETTINGS MODAL ===== */
.settings-head h2{margin:6px 0 4px;font-size:24px}
.settings-head p{margin:0;color:var(--muted);font-size:13px}
.settings-section{margin-top:20px;padding-top:18px;border-top:1px solid var(--border);clear:both}
.settings-section h3{margin:0 0 4px;font-size:15px}
.settings-section .hint{margin:0 0 12px;color:var(--muted);font-size:12px}
.settings-picture{display:flex;align-items:center;gap:10px;margin:12px 0 4px;flex-wrap:wrap}
.settings-picture img{width:64px;height:64px;border-radius:50%;object-fit:cover;background:var(--ice);border:2px solid var(--border)}
.small-modal label{display:block;font-size:12px;font-weight:800;margin:15px 0}
.small-modal .appearance-title{margin:0 0 8px}
.small-modal input[type="text"],.small-modal input:not([type]){width:100%;padding:12px;border:1px solid var(--border);border-radius:12px;margin-top:6px;background:var(--input-bg);color:var(--text)}
.appearance-options{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
button.appearance-option{
  display:flex;flex-direction:column;align-items:center;gap:4px;font-size:20px;
  border:1px solid var(--border);background:var(--surface);color:var(--btn-text);
  padding:10px 6px;border-radius:12px;font-weight:700;cursor:pointer;transition:.15s;
}
button.appearance-option span{font-size:12px}
button.appearance-option:hover{background:var(--pale)}
button.appearance-option.selected,button.appearance-option.active{
  border-color:var(--accent);background:var(--ice);color:var(--ink);box-shadow:0 0 0 2px var(--accent);
}
.accent-options{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
button.accent-option{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:10px 4px;border-radius:14px;border:2px solid var(--border);
  background:var(--surface);color:var(--text);font-size:12px;font-weight:700;cursor:pointer;
  transition:transform .15s,border-color .15s;
}
button.accent-option span{width:26px;height:26px;border-radius:50%;background:var(--accent);border:2px solid rgba(255,255,255,.7);box-shadow:0 0 0 1px var(--border)}
button.accent-option:hover{transform:translateY(-1px)}
button.accent-option.selected{border-color:var(--text);background:var(--pale)}
#settingsSavedMsg{font-size:13px;font-weight:700;color:var(--green);min-height:20px;margin:8px 0 0}

/* ===== RESPONSIVE: tablet & phone (sidebar becomes a drawer) ===== */
@media(max-width:1100px){
  .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(max-width:900px){
  :root{--sidebar-w:0px}

  #sidebar{width:min(300px,86vw);transform:translateX(-100%);z-index:300;box-shadow:none}
  #sidebar.open{transform:translateX(0);box-shadow:0 0 40px rgba(0,0,0,.35)}
  .brand .icon-btn{display:block}

  .shell{margin-left:0}
  .topbar{padding:0 16px;min-height:70px}
  .chat-input{left:14px;right:14px;bottom:calc(10px + env(safe-area-inset-bottom,0px))}
  .chat-panel{padding:18px 16px 110px}
  .bubble{max-width:86%}
  .dashboard{padding:18px}
  .hero{padding:26px}
  .hero h2{font-size:28px}
  .profile span{max-width:110px}
}

/* ===== RESPONSIVE: phone ===== */
@media(max-width:600px){
  .topbar{flex-wrap:wrap;padding:10px 12px;gap:8px;min-height:0}
  #hamburgerBtn{order:1}
  .topbar > div:not(.top-actions){order:2;flex:1 1 0}
  .top-actions{display:contents}
  .profile{order:3;padding:3px 10px 3px 3px}
  .profile span{max-width:96px}
  .mode-switch{order:4;flex:1 0 100%;width:100%}
  .mode-switch .mode-btn{flex:1;padding:9px 8px}
  .topbar h1{font-size:14px}

  .dashboard{padding:12px}
  .hero{padding:22px 18px;border-radius:22px}
  .hero h2{font-size:25px}
  .hero-mark{display:none}
  .tool-grid{grid-template-columns:minmax(0,1fr)}
  .tool-card{min-height:0}
  .tool-section{margin-top:26px}
  .section-heading{display:block}
  .section-heading p{margin-top:6px}
  .section-heading .status-dot{display:inline-block;margin-top:6px}
  .teacher-banner{padding:18px}

  .chat-panel{padding:14px 12px 104px;border-radius:18px;margin-top:26px}
  .chat-input{left:10px;right:10px;padding:5px;gap:5px}
  .chat-input input{padding:11px 8px}
  .bubble{max-width:90%;font-size:14px;padding:9px 12px}

  .modal{padding:10px}
  .wizard-card,.result-card,.small-modal{padding:18px;border-radius:20px;max-height:calc(100dvh - 20px)}
  .option-grid{grid-template-columns:1fr}
  .wizard-question{font-size:20px}
  .wizard-head h2{font-size:21px}
  .wizard-actions .primary,.wizard-actions .secondary{padding:12px 14px}
  .result-actions{flex-wrap:wrap}
  .export-menu{margin-left:0}
  .about-tools{grid-template-columns:1fr}
  .workflow{grid-template-columns:1fr 1fr}
  .workflow div:last-child{grid-column:1 / -1}
  .accent-options{grid-template-columns:repeat(2,1fr)}

  .auth-screen{padding:16px 12px}
  .auth-card,.welcome-card{padding:24px 18px;border-radius:22px}
  .role-buttons button{font-size:12px;padding:10px 2px}

  /* 16px inputs stop iOS Safari from zooming on focus */
  input,select,textarea,.chat-input input{font-size:16px}
}

@media(max-width:380px){
  .profile span{max-width:70px}
  .mode-btn{font-size:13px}
  .hero h2{font-size:23px}
  .bubble{max-width:94%}
}

/* =========================================================
   ZENVYRA — MOBILE DASHBOARD
   Keeps the desktop design, adapts it for phones
   ========================================================= */

@media (max-width: 768px) {

    /* Main page */
    html,
    body {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }

    /* App container */
    .app,
    .app-container,
    .dashboard,
    .main-layout {
        width: 100%;
        max-width: 100%;
        min-width: 0;
    }

    /* Sidebar */
    #leftSidebar,
    .sidebar,
    .left-sidebar {
        width: min(82vw, 320px);
        max-width: 320px;
    }

    /* Main content */
    .main-content,
    .content,
    .dashboard-content,
    .chat-container {
        width: 100%;
        min-width: 0;
        max-width: 100%;
    }

    /* Dashboard header */
    .dashboard-header,
    .topbar,
    .header {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    /* Dashboard cards */
    .tools-grid,
    .tool-grid,
    .dashboard-grid,
    .cards-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
        box-sizing: border-box;
    }

    /* Cards */
    .tool-card,
    .dashboard-card,
    .feature-card {
        min-width: 0;
        width: 100%;
        box-sizing: border-box;
    }

    /* Long text */
    .tool-card h3,
    .tool-card p,
    .dashboard-card h3,
    .dashboard-card p {
        overflow-wrap: anywhere;
    }

    /* Search */
    input,
    textarea,
    select {
        max-width: 100%;
        box-sizing: border-box;
    }

    /* Chat */
    .chat-area,
    .messages,
    #chatMessages {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        box-sizing: border-box;
    }

    /* Message input */
    .chat-input-container,
    .input-area,
    .message-input-area {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    /* Modals */
    .modal,
    .modal-content,
    .settings-modal,
    .wizard-modal,
    .result-modal {
        max-width: calc(100vw - 24px);
        box-sizing: border-box;
    }

    /* Settings */
    .settings-content {
        width: 100%;
        max-width: calc(100vw - 24px);
        max-height: 90vh;
        overflow-y: auto;
        box-sizing: border-box;
    }

    /* Touch-friendly buttons */
    button {
        min-height: 42px;
    }
}

@media (max-width: 480px) {

    .tools-grid,
    .tool-grid,
    .dashboard-grid,
    .cards-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .tool-card,
    .dashboard-card,
    .feature-card {
        min-width: 0;
        padding: 12px;
    }

    .tool-card h3,
    .dashboard-card h3,
    .feature-card h3 {
        font-size: 14px;
    }

    .tool-card p,
    .dashboard-card p,
    .feature-card p {
        font-size: 12px;
    }
}

    /* Dashboard spacing */
    .main-content,
    .dashboard-content {
        padding-left: 14px;
        padding-right: 14px;
    }

    /* Header */
    .dashboard-header,
    .topbar,
    .header {
        padding-left: 12px;
        padding-right: 12px;
    }

    /* Cards */
    .tool-card,
    .dashboard-card,
    .feature-card {
        padding: 16px;
    }

    /* Modals */
    .modal,
    .modal-content,
    .settings-modal,
    .wizard-modal,
    .result-modal {
        width: calc(100vw - 20px);
        max-width: calc(100vw - 20px);
        margin: 10px;
    }
.profile-info-row {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin: 12px 0;
}

.profile-info-label {
    font-weight: 700;
    min-width: 120px;
}

.profile-info-value {
    font-weight: 400;
    color: #234b47;
    line-height: 1.5;
}



/* ===== HELP & SUPPORT ===== */
.sidebar-bottom button.help-support-btn{display:block;line-height:1.25}
.help-support-btn .hs-title{display:block}
.help-support-btn small{display:block;margin-top:3px;font-size:11px;font-weight:500;color:var(--muted);line-height:1.35}
.small-modal.help-support{width:min(540px,100%)}
.small-modal.help-support h2{margin:4px 0 6px;font-size:22px}
.small-modal.help-support .hs-lead{margin:0 0 4px;font-size:15px}
.small-modal.help-support .hint{margin:0 0 6px;color:var(--muted);font-size:13px;line-height:1.5}
.small-modal.help-support label{margin:14px 0 0}
.small-modal.help-support input[type="text"],
.small-modal.help-support input[type="email"],
.small-modal.help-support textarea{
  display:block;width:100%;box-sizing:border-box;margin-top:6px;padding:12px;
  border:1px solid var(--border);border-radius:12px;outline:0;
  background:var(--input-bg);color:var(--text);font:inherit;font-weight:500;
}
.small-modal.help-support textarea{resize:vertical;min-height:110px;max-height:300px}
.small-modal.help-support input:focus,
.small-modal.help-support textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px var(--focus-ring)}
#helpSupportMsg{min-height:20px;margin:12px 0 0;font-size:13px;font-weight:700;line-height:1.45}
#helpSupportMsg.error{color:#d64545}
#helpSupportMsg.success{color:var(--green)}
.hs-actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.hs-actions .primary{flex:1 1 160px}
.hs-actions .secondary{flex:0 1 120px}
@media(max-width:600px){
  .small-modal.help-support h2{font-size:19px}
  .hs-actions{flex-direction:column-reverse}
  .hs-actions .primary,.hs-actions .secondary{flex:1 1 auto;width:100%}
}

/* ===== SHORTCUT KEYS ===== */
.small-modal.shortcut-keys{width:min(540px,100%)}
.small-modal.shortcut-keys h2{margin:4px 0 6px;font-size:22px}
.small-modal.shortcut-keys .hint{margin:0 0 12px;color:var(--muted);font-size:13px;line-height:1.5}
.small-modal.shortcut-keys #shortcutSearch{display:block;width:100%;box-sizing:border-box;padding:12px;border:1px solid var(--border);border-radius:12px;outline:0;background:var(--input-bg);color:var(--text);font:inherit;font-weight:500}
.small-modal.shortcut-keys #shortcutSearch:focus{border-color:var(--green);box-shadow:0 0 0 3px var(--focus-ring)}
.shortcut-list{display:grid;gap:8px;margin-top:14px}
.shortcut-row{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:var(--pale)}
.shortcut-row code{flex:0 0 auto;min-width:64px;padding:4px 9px;border-radius:8px;background:var(--surface);border:1px solid var(--border);font-weight:800;font-size:13px;color:var(--text)}
.shortcut-row span{font-size:14px;font-weight:600;color:var(--text)}
.shortcut-empty{margin:14px 0 0;color:var(--muted);font-size:13px;font-weight:600}
.shortcut-empty[hidden]{display:none}