/* ============================================================
   MATERIAIS PREMIUM — materials-premium.css  v4
   Mapa mental SVG real com pan/zoom
   ============================================================ */

/* ── Filter bar ── */
.mat-filter-bar{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap}
.mat-filter-btn{display:flex;align-items:center;gap:7px;padding:8px 16px;border-radius:99px;border:1.5px solid #e2e8f0;background:#fff;font-size:.83rem;font-weight:600;color:#64748b;cursor:pointer;transition:all .18s;font-family:inherit}
.mat-filter-btn:hover{border-color:#818cf8;color:#4f46e5;background:#eef2ff}
.mat-filter-btn.active{background:#4f46e5;border-color:#4f46e5;color:#fff}
.mat-filter-count{background:rgba(255,255,255,.25);border-radius:99px;padding:0 7px;font-size:.68rem;font-weight:800}
.mat-filter-btn:not(.active) .mat-filter-count{background:#f1f5f9;color:#94a3b8}

/* ── Grid ── */
.mat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}

/* ── Cards ── */
.mat-card{background:#fff;border:1.5px solid #e5e7eb;border-radius:16px;overflow:hidden;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 3px rgba(0,0,0,.06);cursor:pointer;display:flex;flex-direction:column}
.mat-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.1);border-color:#c7d2fe}
.mat-card-stripe{height:4px}
.mat-card-header{display:flex;align-items:flex-start;gap:12px;padding:18px 18px 10px}
.mat-card-icon{width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}
.mat-card-meta{flex:1;min-width:0}
.mat-type-badge{display:inline-flex;align-items:center;gap:4px;font-size:.65rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;padding:2px 9px;border-radius:99px;margin-bottom:5px}
.mat-card-title{font-size:.9rem;font-weight:700;color:#0f172a;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mat-card-body{padding:0 18px 14px;flex:1}
.mat-card-preview{font-size:.8rem;color:#64748b;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.mat-card-footer{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;border-top:1px solid #f1f5f9}
.mat-card-date{font-size:.72rem;color:#94a3b8}
.mat-card-actions{display:flex;gap:6px}
.mat-action-btn{width:30px;height:30px;border-radius:8px;border:1.5px solid #e5e7eb;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.85rem;transition:all .18s}
.mat-action-btn:hover{background:#f8fafc;border-color:#cbd5e1}
.mat-action-btn.del:hover{background:#fef2f2;border-color:#fca5a5}

/* ── Add card ── */
.mat-add-card{border:2px dashed #e2e8f0;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;cursor:pointer;min-height:200px;transition:all .18s;background:#f8fafc;color:#94a3b8}
.mat-add-card:hover{border-color:#818cf8;background:#eef2ff;color:#4f46e5}
.mat-add-icon{font-size:2.2rem;opacity:.4}
.mat-add-label{font-size:.83rem;font-weight:600}

/* ── Empty ── */
.mat-empty{text-align:center;padding:64px 20px;color:#94a3b8;grid-column:1/-1}
.mat-empty-icon{font-size:3.5rem;margin-bottom:14px}
.mat-empty h3{font-size:1rem;font-weight:700;color:#475569;margin-bottom:6px}
.mat-empty p{font-size:.875rem;margin-bottom:18px}

/* ── Skeleton ── */
.mat-skeleton-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.mat-skeleton-card{height:210px;border-radius:16px;background:linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 50%,#f1f5f9 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ── Loading spinner ── */
.mm-spinner{width:20px;height:20px;border:2.5px solid #e2e8f0;border-top-color:#4f46e5;border-radius:50%;animation:mm-spin .7s linear infinite;flex-shrink:0}
@keyframes mm-spin{to{transform:rotate(360deg)}}

/* ── Viewer overlay ── */
.mat-viewer-overlay{position:fixed;inset:0;background:rgba(15,23,42,.65);backdrop-filter:blur(12px);z-index:900;display:flex;align-items:center;justify-content:center;padding:16px;opacity:0;pointer-events:none;transition:opacity .22s}
.mat-viewer-overlay.open{opacity:1;pointer-events:all}
.mat-viewer-modal{background:#fff;border-radius:20px;width:100%;max-width:1000px;height:90vh;max-height:90vh;box-shadow:0 32px 80px rgba(0,0,0,.22);transform:scale(.97) translateY(14px);transition:transform .22s;overflow:hidden;display:flex;flex-direction:column}
.mat-viewer-overlay.open .mat-viewer-modal{transform:scale(1) translateY(0)}
.mat-viewer-head{display:flex;align-items:center;gap:14px;padding:16px 22px;border-bottom:1px solid #e5e7eb;flex-shrink:0;background:#fff;z-index:2}
.mat-viewer-head-icon{width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:1.35rem;flex-shrink:0}
.mat-viewer-head-info{flex:1;min-width:0}
.mat-viewer-type{font-size:.72rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;margin-bottom:3px}
.mat-viewer-title{font-size:1.05rem;font-weight:800;color:#0f172a;line-height:1.3}
.mat-viewer-close{width:36px;height:36px;border-radius:10px;background:#f1f5f9;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;color:#64748b;flex-shrink:0;transition:all .18s}
.mat-viewer-close:hover{background:#e2e8f0;color:#0f172a}

/* For non-mindmap content — scrollable */
.mat-viewer-body{flex:1;overflow-y:auto;padding:28px 28px 40px;min-height:0}

/* ══════════════════════════════════════════════════════
   MAPA MENTAL — SVG canvas
══════════════════════════════════════════════════════ */

/* The mindmap shell fills the modal body */
.mm-shell{display:flex;flex-direction:column;height:100%;min-height:0;flex:1}

/* Toolbar */
.mm-toolbar{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;border-bottom:1px solid #f1f5f9;flex-shrink:0;background:#fafafa;gap:12px}
.mm-toolbar-left{display:flex;gap:6px}
.mm-toolbar-center{flex:1;display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.mm-toolbar-right{display:flex;align-items:center}
.mm-btn{width:32px;height:32px;border-radius:8px;border:1.5px solid #e2e8f0;background:#fff;cursor:pointer;font-size:1rem;font-weight:700;color:#475569;display:flex;align-items:center;justify-content:center;transition:all .18s;font-family:inherit}
.mm-btn:hover{border-color:#818cf8;color:#4f46e5;background:#eef2ff}

/* Info chips */
.mm-info-chip{display:inline-flex;align-items:center;gap:5px;padding:3px 11px;background:#eef2ff;border:1px solid #c7d2fe;border-radius:99px;font-size:.74rem;font-weight:700;color:#4338ca}

/* Canvas — this fills remaining space */
.mm-canvas-wrap{flex:1;min-height:0;overflow:hidden;cursor:grab;background:radial-gradient(circle at 50% 50%, #f8faff 0%, #f1f5f9 100%);position:relative;user-select:none}
.mm-canvas-wrap:active{cursor:grabbing}
.mm-canvas-wrap svg{display:block;width:100%;height:100%}

/* SVG node styles injected via JS, but also define hover states */
.mm-node{transition:filter .2s}
.mm-node:hover{filter:brightness(1.04)}
.mm-node-center{cursor:default}
.mm-node-branch{cursor:pointer}
.mm-node-sub{cursor:default}

/* Legend */
.mm-legend{display:flex;flex-wrap:wrap;gap:8px;padding:10px 18px;border-top:1px solid #f1f5f9;flex-shrink:0;background:#fafafa;min-height:40px}
.mm-legend-item{display:flex;align-items:center;gap:5px;font-size:.74rem;color:#475569;font-weight:500}
.mm-legend-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}

/* ══════════════════════════════════════════════════════
   RESUMO / EXPLICAÇÃO viewers
══════════════════════════════════════════════════════ */
.summary-body{max-width:720px}
.summary-body h1{font-family:'Sora',sans-serif;font-size:1.45rem;font-weight:800;color:#0f172a;margin:0 0 18px;padding-bottom:12px;border-bottom:2px solid #e5e7eb}
.summary-body h2{font-size:1.02rem;font-weight:700;color:#1e293b;margin:22px 0 9px;display:flex;align-items:center;gap:8px}
.summary-body h3{font-size:.96rem;font-weight:700;color:#334155;margin:15px 0 7px}
.summary-body p{font-size:.9rem;line-height:1.82;color:#374151;margin-bottom:10px}
.summary-body ul,.summary-body ol{padding-left:20px;margin:9px 0}
.summary-body li{font-size:.9rem;line-height:1.75;color:#374151;margin-bottom:5px}
.summary-body strong{font-weight:700;color:#1e293b}
.summary-body em{font-style:italic;color:#64748b}
.summary-body blockquote{border-left:4px solid #818cf8;padding:10px 16px;background:#eef2ff;border-radius:0 10px 10px 0;margin:14px 0;color:#475569;font-style:italic}
.summary-body .code-block{background:#0f172a;color:#e2e8f0;padding:16px 18px;border-radius:12px;overflow-x:auto;margin:12px 0;font-family:monospace;font-size:.83rem;line-height:1.6}
.summary-body hr{border:none;border-top:1.5px solid #e5e7eb;margin:20px 0}

.explanation-body{max-width:720px}
.explanation-body h1{font-family:'Sora',sans-serif;font-size:1.45rem;font-weight:800;color:#0f172a;margin:0 0 8px}
.explanation-body h2{font-size:1.02rem;font-weight:700;color:#1e293b;margin:24px 0 9px;padding-bottom:7px;border-bottom:1.5px solid #e5e7eb}
.explanation-body h3{font-size:.96rem;font-weight:700;color:#4f46e5;margin:15px 0 7px}
.explanation-body p{font-size:.925rem;line-height:1.88;color:#374151;margin-bottom:12px}
.explanation-body ul,.explanation-body ol{padding-left:20px;margin:9px 0}
.explanation-body li{font-size:.9rem;line-height:1.75;color:#374151;margin-bottom:6px}
.explanation-body strong{font-weight:700;color:#0f172a}
.explanation-body blockquote{border-left:4px solid #f59e0b;padding:12px 18px;background:#fffbeb;border-radius:0 12px 12px 0;margin:16px 0;color:#78350f;font-style:italic;font-size:.92rem}
.explanation-body .code-block{background:#0f172a;color:#e2e8f0;padding:16px 18px;border-radius:12px;overflow-x:auto;margin:14px 0;font-family:monospace;font-size:.83rem}
.explanation-body hr{border:none;border-top:1.5px solid #e5e7eb;margin:22px 0}

/* ── Responsive ── */
@media(max-width:768px){
  .mat-grid{grid-template-columns:1fr}
  .mat-viewer-modal{height:95vh;max-height:95vh;border-radius:14px}
  .mm-toolbar-right{display:none}
  .mm-legend{display:none}
}
@media(max-width:480px){
  .mat-viewer-modal{height:100vh;max-height:100vh;border-radius:0}
  .mat-viewer-head{padding:12px 14px}
  .mat-viewer-body{padding:16px}
}

/* Override: mindmap uses flex layout, not scroll */
.mat-viewer-body:has(.mm-shell){
  padding:0;
  display:flex;
  flex-direction:column;
  overflow:hidden;
}
/* Fallback for browsers without :has */
.mat-viewer-body.mm-mode{
  padding:0;
  display:flex;
  flex-direction:column;
  overflow:hidden;
}

/* ══ NODE DETAIL MODAL ══ */
.mm-node-modal{position:fixed;bottom:24px;right:24px;width:300px;background:#fff;border-radius:16px;box-shadow:0 8px 32px rgba(0,0,0,.18);border:1.5px solid #e2e8f0;z-index:950;transform:translateY(20px) scale(.96);opacity:0;pointer-events:none;transition:all .22s cubic-bezier(.4,0,.2,1)}
.mm-node-modal.open{transform:translateY(0) scale(1);opacity:1;pointer-events:all}
.mm-node-modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 8px}
.mm-nmod-title{font-size:.95rem;font-weight:800;color:#0f172a;flex:1;line-height:1.3}
.mm-node-modal-close{width:26px;height:26px;border-radius:7px;background:#f1f5f9;border:none;cursor:pointer;font-size:.85rem;color:#64748b;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.mm-node-modal-close:hover{background:#e2e8f0}
.mm-nmod-desc{padding:0 16px 10px;font-size:.83rem;color:#475569;line-height:1.6}
.mm-nmod-desc p{margin:0}
.mm-nmod-actions{display:flex;flex-direction:column;gap:6px;padding:10px 16px 14px;border-top:1px solid #f1f5f9}
.mm-study-btn{padding:8px 14px;border-radius:9px;font-size:.8rem;font-weight:700;cursor:pointer;border:none;font-family:inherit;transition:all .18s;text-align:left}
.mm-study-btn:not(.secondary){background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff}
.mm-study-btn:not(.secondary):hover{opacity:.9;transform:translateX(2px)}
.mm-study-btn.secondary{background:#f8fafc;border:1.5px solid #e2e8f0;color:#475569}
.mm-study-btn.secondary:hover{border-color:#818cf8;color:#4f46e5;background:#eef2ff}

/* ══ TOOLTIP ══ */
.mm-tooltip{position:absolute;background:#1e293b;color:#fff;padding:7px 12px;border-radius:9px;font-size:.78rem;line-height:1.5;max-width:200px;pointer-events:none;opacity:0;transition:opacity .15s;z-index:10;box-shadow:0 4px 12px rgba(0,0,0,.25)}

/* ══ PLAN LIST ══ */
.plan-list-card{display:flex;align-items:center;gap:12px;padding:13px 16px;border:1.5px solid #e2e8f0;border-radius:12px;cursor:pointer;transition:all .18s;margin-bottom:8px;background:#fff}
.plan-list-card:hover{border-color:#818cf8;background:#eef2ff;transform:translateX(4px)}
.plan-list-icon{font-size:1.4rem;flex-shrink:0}
.plan-list-info{flex:1;min-width:0}
.plan-list-title{font-size:.9rem;font-weight:700;color:#0f172a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.plan-list-sub{font-size:.75rem;color:#94a3b8;margin-top:2px}
.plan-list-arrow{font-size:1.2rem;color:#94a3b8;font-weight:700}

/* ══ SESSION PILL HOVER (adicionado via JS) ══ */
.session-pill:hover .pill-subject{color:#4f46e5}

/* ══════════════════════════════════════════════════
   SESSION PILL — clicável + hover
══════════════════════════════════════════════════ */
.session-pill-clickable{cursor:pointer;transition:all .18s!important;position:relative}
.session-pill-clickable:hover{background:#f0f4ff!important;transform:translateX(4px);box-shadow:2px 0 0 #4f46e5 inset}
.session-pill-clickable:active{transform:translateX(2px)}
.pill-play{margin-left:auto;width:24px;height:24px;border-radius:50%;background:#4f46e5;color:#fff;display:flex;align-items:center;justify-content:center;font-size:.65rem;flex-shrink:0;opacity:0;transition:opacity .18s}
.session-pill-clickable:hover .pill-play{opacity:1}

/* ══════════════════════════════════════════════════
   RESPONSIVIDADE GLOBAL
══════════════════════════════════════════════════ */

/* ── Hamburger button ── */
.topbar-hamburger{display:none;width:40px;height:40px;border-radius:10px;background:var(--surface);border:1.5px solid var(--border);align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;font-size:1.1rem}

/* ── Overlay for mobile sidebar ── */
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:149;backdrop-filter:blur(2px)}
.sidebar-overlay.active{display:block}

@media(max-width:1024px){
  /* Sidebar collapse */
  .sidebar{position:fixed;left:-280px;top:0;height:100vh;z-index:150;transition:left .28s cubic-bezier(.4,0,.2,1);box-shadow:none}
  .sidebar.open{left:0;box-shadow:8px 0 32px rgba(0,0,0,.25)}
  .main-area{margin-left:0!important;width:100%}
  .topbar-hamburger{display:flex}

  /* Chat sidebar */
  .chat-shell{grid-template-columns:1fr}
  .chat-left{display:none}

  /* Grid adjustments */
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .dash-grid{grid-template-columns:1fr}
}

@media(max-width:768px){
  /* Page padding */
  .page{padding:16px}
  .page-header{padding:0 0 16px}

  /* Stats */
  .grid-4{grid-template-columns:repeat(2,1fr)!important;gap:10px}
  .stat-card{padding:14px}
  .stat-value{font-size:1.4rem}

  /* Chat */
  .chat-header-bar{padding:10px 14px;flex-wrap:wrap;gap:8px}
  .mode-pills{flex-wrap:wrap}
  .chat-messages{padding:14px 0}
  .msg-group{padding:10px 14px}
  .chat-input-zone{padding:10px 14px 14px}
  .msg-row{gap:8px}
  .user-bubble{max-width:88%}

  /* Materials */
  .mat-grid{grid-template-columns:1fr}
  .mat-viewer-modal{height:100vh;max-height:100vh;border-radius:0;margin:0}
  .mat-viewer-body{padding:16px}
  .mm-canvas-wrap{height:55vh!important}

  /* Quiz */
  .quiz-card-top{height:4px}
  .qa-question{padding:18px}
  .qa-question h2{font-size:1rem}

  /* Flashcards */
  .fc-card{height:220px}
  .fc-face{padding:20px}
  .fc-front h2{font-size:1.1rem}
  .fc-buttons{gap:6px}
  .fc-btn{padding:8px 14px;font-size:.8rem}

  /* Plan */
  .day-cards-grid{grid-template-columns:1fr!important}
  .plan-hero{padding:18px}
  .week-overview{gap:6px;padding:10px 12px}
  .wov-dot{width:32px;height:32px;font-size:.65rem}

  /* Progress heatmap */
  .heatmap{grid-template-columns:repeat(26,1fr);gap:2px}
  .hc{border-radius:2px}

  /* Node modal */
  .mm-node-modal{bottom:0;right:0;left:0;width:auto;border-radius:16px 16px 0 0;max-height:60vh;overflow-y:auto}

  /* Topbar */
  .topbar{padding:0 14px}
  #topbar-title{font-size:.95rem}
}

@media(max-width:480px){
  .grid-4{grid-template-columns:1fr 1fr!important}
  .stat-value{font-size:1.2rem}
  .page{padding:12px}

  /* Wizard */
  .wizard-options{gap:8px}
  .wiz-opt{padding:12px}

  /* Modals */
  .modal{padding:18px;border-radius:16px 16px 0 0;margin:auto 0 0}
  .modal-backdrop{align-items:flex-end}
}

/* ══ CHAT UI IMPROVEMENTS ══ */

/* Hide Groq badge if still present */
.ai-model-badge { display: none !important; }

/* Better ai-name */
.ai-name { font-size: .82rem; font-weight: 700; color: #4f46e5; }

/* Smoother message entry */
.msg-group { animation: msgSlideIn .2s cubic-bezier(.4,0,.2,1) both; }
@keyframes msgSlideIn { from{opacity:0;transform:translateY(6px)} to{opacity:1;transform:translateY(0)} }

/* Better user bubble */
.user-bubble {
  border-radius: 20px 20px 4px 20px !important;
  box-shadow: 0 2px 12px rgba(79,70,229,.2) !important;
}

/* Better AI bubble */
.ai-bubble { padding: 4px 0 !important; }

/* Attach buttons modern */
.attach-btn {
  background: #f3f4f6 !important;
  border-radius: 10px !important;
  transition: all .18s !important;
}
.attach-btn:hover { background: #e5e7eb !important; transform: scale(1.05); }

/* Send button pulse on active */
.send-btn:not(:disabled):hover { box-shadow: 0 4px 16px rgba(79,70,229,.4) !important; }

/* Typing indicator improved */
.typing-indicator { padding: 4px 0 !important; }
.typing-dot { animation-duration: 1.2s !important; }

/* Chat input focus glow */
.chat-input-inner:focus-within {
  border-color: #4f46e5 !important;
  box-shadow: 0 0 0 3px rgba(79,70,229,.12) !important;
}

/* Attachment preview improved */
.attachment-preview {
  border-radius: 12px !important;
  background: linear-gradient(135deg, #eef2ff, #f5f3ff) !important;
}

/* ══════════════════════════════════════════════════════════
   CHAT PREMIUM — cx-* components
══════════════════════════════════════════════════════════ */
.px-chat{padding:0!important;overflow:hidden}
.cx-shell{display:grid;grid-template-columns:260px 1fr;height:calc(100vh - 64px);position:relative}

/* Overlay mobile */
.chat-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:148;backdrop-filter:blur(3px)}
.chat-overlay.active{display:block}

/* ── Sidebar ── */
.cx-sidebar{background:#111827;display:flex;flex-direction:column;overflow:hidden;transition:transform .26s cubic-bezier(.4,0,.2,1)}
.cx-sidebar-top{display:flex;align-items:center;gap:8px;padding:14px 12px;border-bottom:1px solid rgba(255,255,255,.07);flex-shrink:0}
.cx-new-btn{flex:1;display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:10px;background:linear-gradient(135deg,#6C4DFF,#4f46e5);border:none;color:#fff;font-size:.83rem;font-weight:700;cursor:pointer;font-family:inherit;transition:all .18s}
.cx-new-btn:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 16px rgba(108,77,255,.4)}
.cx-sidebar-close{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.07);border:none;color:rgba(255,255,255,.6);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .18s;flex-shrink:0}
.cx-sidebar-close:hover{background:rgba(255,255,255,.14);color:#fff}
.cx-history{flex:1;overflow-y:auto;padding:8px}
.cx-history::-webkit-scrollbar{width:3px}
.cx-history::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:99px}

/* History items — overrides for dark sidebar */
#chat-history-list .chi-section{color:rgba(255,255,255,.3)!important}
#chat-history-list .chi{color:rgba(255,255,255,.65)!important;border-radius:9px}
#chat-history-list .chi:hover{background:rgba(255,255,255,.08)!important;color:#fff!important}
#chat-history-list .chi.active{background:rgba(108,77,255,.25)!important;color:#fff!important}
#chat-history-list .chi.active::before{background:#6C4DFF!important}
#chat-history-list .chi-icon{background:rgba(255,255,255,.07)!important;color:rgba(255,255,255,.5)!important}

/* ── Main ── */
.cx-main{display:flex;flex-direction:column;background:#f9fafb;overflow:hidden}

/* ── Header ── */
.cx-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#fff;border-bottom:1px solid #e5e7eb;flex-shrink:0;gap:12px}
.cx-header-left{display:flex;align-items:center;gap:10px}
.cx-hamburger{width:36px;height:36px;border-radius:9px;background:#f3f4f6;border:1.5px solid #e5e7eb;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#6b7280;transition:all .18s;flex-shrink:0}
.cx-hamburger:hover{background:#ede9fe;border-color:#c4b5fd;color:#6C4DFF}
.cx-brand{display:flex;align-items:center;gap:10px}
.cx-brand-icon{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#6C4DFF,#4f46e5);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}
.cx-brand-name{font-size:.9rem;font-weight:800;color:#111827;font-family:'Sora',sans-serif}
.cx-brand-sub{font-size:.68rem;color:#9ca3af;margin-top:1px}
.cx-modes{display:flex;gap:4px;flex-wrap:wrap}
.cx-mode{padding:6px 13px;border-radius:99px;border:1.5px solid #e5e7eb;background:#fff;font-size:.76rem;font-weight:600;color:#6b7280;cursor:pointer;font-family:inherit;transition:all .18s}
.cx-mode:hover{border-color:#c4b5fd;color:#6C4DFF;background:#faf5ff}
.cx-mode.active{background:#6C4DFF;border-color:#6C4DFF;color:#fff;box-shadow:0 3px 12px rgba(108,77,255,.3)}

/* ── Messages ── */
.cx-messages{flex:1;overflow-y:auto;padding:24px 0;scroll-behavior:smooth}
.cx-messages::-webkit-scrollbar{width:5px}
.cx-messages::-webkit-scrollbar-thumb{background:#e5e7eb;border-radius:99px}

/* Override msg-group for new layout */
.cx-messages .msg-group{padding:10px 20px;max-width:900px;margin:0 auto;width:100%}
.cx-messages .msg-group.ai:hover{background:rgba(108,77,255,.025);border-radius:12px}
.cx-messages .msg-row{max-width:100%}

/* AI avatar brand color */
.cx-messages .ai-ava{background:linear-gradient(135deg,#6C4DFF,#4f46e5)!important}
.cx-messages .user-bubble{background:linear-gradient(135deg,#6C4DFF,#4f46e5)!important}

/* ── Input zone ── */
.cx-input-zone{padding:12px 20px 14px;background:#fff;border-top:1px solid #f3f4f6;flex-shrink:0}

/* Quick chips */
.cx-chips{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap}
.cx-chip{padding:6px 13px;border-radius:99px;background:#f9fafb;border:1.5px solid #e5e7eb;font-size:.77rem;font-weight:600;color:#6b7280;cursor:pointer;font-family:inherit;transition:all .18s;white-space:nowrap}
.cx-chip:hover{border-color:#6C4DFF;color:#6C4DFF;background:#faf5ff;transform:translateY(-1px)}

/* Input box */
.cx-input-box{background:#fff;border:1.5px solid #e5e7eb;border-radius:16px;padding:12px 14px;transition:all .22s;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.cx-input-box:focus-within{border-color:#6C4DFF;box-shadow:0 0 0 4px rgba(108,77,255,.1),0 2px 12px rgba(0,0,0,.04)}
.cx-textarea{width:100%;border:none;outline:none;resize:none;font-size:.92rem;line-height:1.6;color:#111827;font-family:'Plus Jakarta Sans',sans-serif;background:transparent;min-height:26px;max-height:180px}
.cx-textarea::placeholder{color:#9ca3af}
.cx-input-actions{display:flex;align-items:center;justify-content:space-between;margin-top:8px}
.cx-attach-group{display:flex;gap:4px}
.cx-attach-btn{width:32px;height:32px;border-radius:8px;background:#f9fafb;border:1.5px solid #e5e7eb;color:#6b7280;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .18s}
.cx-attach-btn:hover{border-color:#6C4DFF;color:#6C4DFF;background:#faf5ff}
.cx-send-wrap{display:flex;align-items:center;gap:8px}
.cx-limit{font-size:.68rem;color:#9ca3af}
.cx-send{width:34px;height:34px;border-radius:9px;background:#e5e7eb;border:none;color:#9ca3af;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .22s;flex-shrink:0}
.cx-send:not(:disabled){background:linear-gradient(135deg,#6C4DFF,#4f46e5);color:#fff;box-shadow:0 3px 12px rgba(108,77,255,.3);cursor:pointer}
.cx-send:not(:disabled):hover{transform:scale(1.08);box-shadow:0 4px 18px rgba(108,77,255,.45)}
.cx-disclaimer{font-size:.68rem;color:#9ca3af;text-align:center;margin-top:8px}

/* Attachment preview */
#attachment-preview-area .attachment-preview{margin-bottom:10px;border-radius:12px}

/* ── Responsive ── */
@media(max-width:1024px){
  .cx-shell{grid-template-columns:1fr}
  .cx-sidebar{position:fixed;left:0;top:0;height:100vh;width:280px;z-index:149;transform:translateX(-100%)}
  .cx-sidebar.open{transform:translateX(0)}
  .cx-modes{display:none}
}
@media(max-width:640px){
  .cx-header{padding:10px 14px}
  .cx-input-zone{padding:8px 12px 12px}
  .cx-messages .msg-group{padding:8px 14px}
  .cx-chips{gap:4px}
  .cx-chip{font-size:.72rem;padding:5px 10px}
  .cx-brand-sub{display:none}
}

/* ── Sidebar collapse (desktop) ── */
.cx-sidebar{transition:width .26s cubic-bezier(.4,0,.2,1),transform .26s cubic-bezier(.4,0,.2,1)}
.cx-sidebar.cx-collapsed{width:0;overflow:hidden;border:none}
.cx-shell.cx-sidebar-hidden{grid-template-columns:0 1fr}
@media(max-width:1024px){
  .cx-shell.cx-sidebar-hidden{grid-template-columns:1fr}
}

/* ══════════════════════════════════════════════════
   LANDING PAGE PREMIUM
══════════════════════════════════════════════════ */
.lp-root{overflow-x:hidden;background:#fff}
.lp-bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.lp-blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.35;animation:blobFloat 8s ease-in-out infinite}
.b1{width:600px;height:600px;background:radial-gradient(#6C4DFF,#4f46e5);top:-200px;left:-150px;animation-delay:0s}
.b2{width:500px;height:500px;background:radial-gradient(#7c3aed,#a78bfa);top:30%;right:-150px;animation-delay:3s}
.b3{width:400px;height:400px;background:radial-gradient(#0ea5e9,#6C4DFF);bottom:0;left:30%;animation-delay:6s}
@keyframes blobFloat{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-30px) scale(1.05)}}
.lp-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(108,77,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(108,77,255,.06) 1px,transparent 1px);background-size:60px 60px}

/* Nav */
.lp-nav2{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 24px;transition:all .3s}
.lp-nav2.scrolled{background:rgba(255,255,255,.85);backdrop-filter:blur(16px);box-shadow:0 1px 0 rgba(0,0,0,.06)}
.lp-nav2-inner{max-width:1160px;margin:0 auto;display:flex;align-items:center;gap:32px;height:64px}
.lp-logo{display:flex;align-items:center;gap:8px;text-decoration:none}
.lp-logo-icon{font-size:1.4rem}
.lp-logo-text{font-family:'Sora',sans-serif;font-size:1.1rem;font-weight:800;color:#0f172a}
.lp-logo-text span{color:#6C4DFF}
.lp-links2{display:flex;gap:28px;list-style:none;margin:0;padding:0;flex:1;justify-content:center}
.lp-links2 a{font-size:.87rem;font-weight:600;color:#475569;text-decoration:none;transition:color .18s}
.lp-links2 a:hover{color:#6C4DFF}
.lp-nav2-actions{display:flex;gap:10px;align-items:center}
.lp-btn-ghost{padding:8px 18px;border-radius:99px;border:1.5px solid #e2e8f0;background:transparent;font-size:.84rem;font-weight:600;color:#475569;cursor:pointer;font-family:inherit;transition:all .18s}
.lp-btn-ghost:hover{border-color:#6C4DFF;color:#6C4DFF}
.lp-btn-primary{padding:9px 20px;border-radius:99px;background:linear-gradient(135deg,#6C4DFF,#4f46e5);border:none;color:#fff;font-size:.84rem;font-weight:700;cursor:pointer;font-family:inherit;transition:all .2s;box-shadow:0 4px 14px rgba(108,77,255,.3)}
.lp-btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(108,77,255,.4)}
.lp-hamburger{display:none;width:38px;height:38px;border-radius:10px;background:#f1f5f9;border:none;font-size:1.1rem;cursor:pointer;margin-left:auto}
.lp-mobile-menu{display:none;flex-direction:column;gap:12px;padding:16px 0;border-top:1px solid #f1f5f9}
.lp-mobile-menu.open{display:flex}
.lp-mobile-menu a{font-size:.9rem;font-weight:600;color:#475569;text-decoration:none;padding:8px 0}
.lp-mobile-menu .lp-btn-primary{width:100%;padding:12px;border-radius:12px;text-align:center}

/* Hero */
.lp-hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:120px 24px 60px;text-align:center;position:relative;z-index:1}
.lp-hero-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:99px;background:rgba(108,77,255,.1);border:1px solid rgba(108,77,255,.2);color:#6C4DFF;font-size:.78rem;font-weight:700;margin-bottom:24px;animation:fadeUp .6s ease both}
.lp-h1{font-family:'Sora',sans-serif;font-size:clamp(2.2rem,5vw,3.8rem);font-weight:900;line-height:1.12;color:#0f172a;margin-bottom:20px;animation:fadeUp .6s .1s ease both}
.lp-gradient-text{background:linear-gradient(135deg,#6C4DFF,#0ea5e9);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.lp-hero-sub{font-size:clamp(1rem,2vw,1.2rem);color:#64748b;max-width:600px;line-height:1.7;margin-bottom:36px;animation:fadeUp .6s .2s ease both}
.lp-hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:48px;animation:fadeUp .6s .3s ease both}
.lp-cta-main{display:flex;align-items:center;gap:8px;padding:14px 28px;border-radius:99px;background:linear-gradient(135deg,#6C4DFF,#4f46e5);border:none;color:#fff;font-size:1rem;font-weight:700;cursor:pointer;font-family:inherit;box-shadow:0 8px 28px rgba(108,77,255,.35);transition:all .2s}
.lp-cta-main:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(108,77,255,.45)}
.lp-cta-sec{padding:14px 28px;border-radius:99px;background:#fff;border:1.5px solid #e2e8f0;color:#475569;font-size:1rem;font-weight:600;cursor:pointer;font-family:inherit;transition:all .2s}
.lp-cta-sec:hover{border-color:#6C4DFF;color:#6C4DFF}
.lp-stats{display:flex;align-items:center;gap:0;padding:20px 32px;background:rgba(255,255,255,.7);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.8);border-radius:16px;box-shadow:0 4px 24px rgba(0,0,0,.06);margin-bottom:60px;animation:fadeUp .6s .4s ease both}
.lp-stat{text-align:center;padding:0 24px}
.lp-stat-n{display:block;font-family:'Sora',sans-serif;font-size:1.6rem;font-weight:800;color:#6C4DFF}
.lp-stat-l{font-size:.72rem;color:#64748b;font-weight:600}
.lp-stat-div{width:1px;height:40px;background:#e2e8f0}

/* Mockups */
.lp-mockup-wrap{position:relative;max-width:680px;width:100%;animation:fadeUp .7s .5s ease both}
.lp-mockup-main{background:#fff;border-radius:20px;border:1.5px solid #e2e8f0;box-shadow:0 24px 64px rgba(0,0,0,.12);overflow:hidden}
.lp-mock-header{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#f8fafc;border-bottom:1px solid #e5e7eb}
.lp-mock-dots{display:flex;gap:5px}.lp-mock-dots span{width:10px;height:10px;border-radius:50%;background:#e2e8f0}
.lp-mock-dots span:nth-child(1){background:#ff5f57}.lp-mock-dots span:nth-child(2){background:#febc2e}.lp-mock-dots span:nth-child(3){background:#28c840}
.lp-mock-chat{padding:16px;display:flex;flex-direction:column;gap:10px;min-height:180px}
.lp-mock-msg{padding:10px 14px;border-radius:12px;font-size:.83rem;line-height:1.5;max-width:80%}
.lp-mock-msg.ai{background:#f1f5f9;color:#1e293b;align-self:flex-start}
.lp-mock-msg.user{background:linear-gradient(135deg,#6C4DFF,#4f46e5);color:#fff;align-self:flex-end;border-radius:12px 12px 4px 12px}
.lp-mock-typing{display:flex;gap:4px;padding:10px 14px;background:#f1f5f9;border-radius:12px;width:fit-content}
.lp-mock-typing span{width:7px;height:7px;border-radius:50%;background:#94a3b8;animation:typing 1.3s infinite}.lp-mock-typing span:nth-child(2){animation-delay:.18s}.lp-mock-typing span:nth-child(3){animation-delay:.36s}
@keyframes typing{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-6px);opacity:1}}
.lp-float-card{position:absolute;display:flex;align-items:center;gap:10px;padding:12px 16px;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-radius:14px;border:1.5px solid #e2e8f0;box-shadow:0 8px 24px rgba(0,0,0,.1);font-family:inherit}
.fc1{top:-20px;right:-30px;animation:floatCard 4s ease-in-out infinite}
.fc2{bottom:60px;right:-40px;animation:floatCard 4s 1.5s ease-in-out infinite}
.fc3{bottom:-10px;left:-30px;animation:floatCard 4s 3s ease-in-out infinite}
@keyframes floatCard{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* Sections */
.lp-section{padding:96px 24px;position:relative;z-index:1}
.lp-dark-section{background:linear-gradient(135deg,#0f172a,#1e1b4b)}
.lp-section-inner{max-width:1100px;margin:0 auto;text-align:center}
.lp-section-badge{display:inline-block;padding:5px 14px;border-radius:99px;background:rgba(108,77,255,.1);color:#6C4DFF;font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px}
.lp-h2{font-family:'Sora',sans-serif;font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;color:#0f172a;line-height:1.2;margin-bottom:48px}

/* Features grid */
.lp-features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:left}
.lp-feat-card{background:#fff;border:1.5px solid #e5e7eb;border-radius:16px;padding:24px;transition:all .22s;cursor:default}
.lp-feat-card:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(108,77,255,.12);border-color:#c4b5fd}
.lp-feat-icon{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:1.35rem;margin-bottom:14px}
.lp-feat-card h3{font-size:.95rem;font-weight:800;color:#0f172a;margin-bottom:6px}
.lp-feat-card p{font-size:.82rem;color:#64748b;line-height:1.6}

/* Steps */
.lp-steps{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.lp-step{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:28px 20px;max-width:200px;text-align:center;transition:all .2s}
.lp-step:hover{background:rgba(255,255,255,.1)}
.lp-step-num{font-size:.7rem;font-weight:800;color:#6C4DFF;letter-spacing:.1em;margin-bottom:10px}
.lp-step-icon{font-size:2rem;margin-bottom:10px}
.lp-step h3{font-size:.9rem;font-weight:700;color:#fff;margin-bottom:6px}
.lp-step p{font-size:.78rem;color:#94a3b8;line-height:1.5}
.lp-step-arrow{font-size:1.5rem;color:#6C4DFF;flex-shrink:0}

/* Pricing */
.lp-pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:700px;margin:0 auto;text-align:left}
.lp-plan{background:#fff;border:1.5px solid #e2e8f0;border-radius:20px;padding:32px;position:relative}
.lp-plan-pro{border-color:#6C4DFF;background:linear-gradient(135deg,#faf5ff,#ede9fe)}
.lp-plan-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#6C4DFF,#4f46e5);color:#fff;font-size:.72rem;font-weight:700;padding:4px 16px;border-radius:99px;white-space:nowrap}
.lp-plan-name{font-size:.85rem;font-weight:700;color:#6b7280;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.lp-plan-price{font-family:'Sora',sans-serif;font-size:2.4rem;font-weight:900;color:#0f172a;margin-bottom:4px}
.lp-plan-price span{font-size:1rem;font-weight:500;color:#6b7280}
.lp-plan-desc{font-size:.82rem;color:#64748b;margin-bottom:20px}
.lp-plan-feats{list-style:none;padding:0;margin:0 0 24px;display:flex;flex-direction:column;gap:8px}
.lp-plan-feats li{font-size:.84rem;color:#475569}
.lp-plan-btn{width:100%;padding:12px;border-radius:12px;border:1.5px solid #e2e8f0;background:#fff;font-size:.88rem;font-weight:700;cursor:pointer;font-family:inherit;transition:all .18s;color:#475569}
.lp-plan-btn:hover{border-color:#6C4DFF;color:#6C4DFF}
.lp-plan-btn-pro{background:linear-gradient(135deg,#6C4DFF,#4f46e5);border-color:transparent;color:#fff;box-shadow:0 4px 14px rgba(108,77,255,.3)}
.lp-plan-btn-pro:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(108,77,255,.45);color:#fff}

/* Footer */
.lp-footer2{background:#0f172a;padding:48px 24px;text-align:center;position:relative;z-index:1}
.lp-footer2-inner{max-width:600px;margin:0 auto}
.lp-footer2 .lp-logo-text{color:#fff}
.lp-footer2-links{display:flex;gap:24px;justify-content:center;margin-top:16px}
.lp-footer2-links a{font-size:.82rem;color:#64748b;text-decoration:none;transition:color .18s}
.lp-footer2-links a:hover{color:#a78bfa}

@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

/* Responsive */
@media(max-width:900px){
  .lp-links2,.lp-nav2-actions{display:none}
  .lp-hamburger{display:flex;align-items:center;justify-content:center}
  .lp-features-grid{grid-template-columns:1fr 1fr}
  .lp-pricing-grid{grid-template-columns:1fr}
  .lp-steps{gap:4px}.lp-step-arrow{display:none}
}
@media(max-width:600px){
  .lp-features-grid{grid-template-columns:1fr}
  .lp-stats{flex-direction:column;gap:12px}.lp-stat-div{width:80px;height:1px}
  .lp-hero{padding-top:90px}
  .fc1,.fc2,.fc3{display:none}
}

/* ══════════════════════════════════════════════
   AUTH PREMIUM — ax-* components
══════════════════════════════════════════════ */
.ax-root{position:relative;overflow:hidden;min-height:100vh;background:#0a0a0f}
.ax-bg{position:fixed;inset:0;z-index:0;pointer-events:none}
.ax-blob{position:absolute;border-radius:50%;filter:blur(100px);opacity:.3;animation:blobFloat 10s ease-in-out infinite}
.ax-b1{width:700px;height:700px;background:radial-gradient(#6C4DFF,#4f46e5);top:-200px;left:-200px}
.ax-b2{width:500px;height:500px;background:radial-gradient(#0ea5e9,#7c3aed);bottom:-100px;right:-100px;animation-delay:5s}
.ax-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(108,77,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(108,77,255,.04) 1px,transparent 1px);background-size:60px 60px}

.ax-shell{display:grid;grid-template-columns:1fr 1fr;min-height:100vh;position:relative;z-index:1}

/* Left */
.ax-left{display:flex;flex-direction:column;padding:36px 48px;background:linear-gradient(135deg,rgba(108,77,255,.12),rgba(14,165,233,.06));border-right:1px solid rgba(255,255,255,.06)}
.ax-logo{display:flex;align-items:center;gap:10px;text-decoration:none;cursor:pointer;margin-bottom:auto}
.ax-logo span:first-child{font-size:1.6rem}
.ax-logo-txt{font-family:'Sora',sans-serif;font-size:1.2rem;font-weight:800;color:#fff}
.ax-logo-txt em{font-style:normal;color:#a78bfa}
.ax-left-content{flex:1;display:flex;flex-direction:column;justify-content:center;padding:48px 0}
.ax-tagline{font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#a78bfa;margin-bottom:16px}
.ax-h1{font-family:'Sora',sans-serif;font-size:clamp(1.8rem,3vw,2.6rem);font-weight:900;color:#fff;line-height:1.15;margin-bottom:16px}
.ax-grad{background:linear-gradient(135deg,#a78bfa,#38bdf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.ax-sub{font-size:.95rem;color:#94a3b8;line-height:1.7;margin-bottom:36px;max-width:420px}
.ax-cards{display:flex;flex-direction:column;gap:12px}
.ax-card{display:flex;align-items:center;gap:14px;padding:14px 18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:14px;transition:all .2s}
.ax-card:hover{background:rgba(255,255,255,.07);border-color:rgba(108,77,255,.3)}
.ax-card-icon{width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.ax-card strong{display:block;font-size:.87rem;font-weight:700;color:#f1f5f9;margin-bottom:2px}
.ax-card span{font-size:.76rem;color:#64748b}
.ax-left-footer{font-size:.72rem;color:#334155;padding-top:24px;border-top:1px solid rgba(255,255,255,.05)}

/* Right */
.ax-right{display:flex;align-items:center;justify-content:center;padding:40px 32px;background:rgba(0,0,0,.2)}
.ax-form-wrap{width:100%;max-width:420px;animation:fadeUp .5s ease both}
.ax-form-header{margin-bottom:28px}
.ax-form-header h2{font-family:'Sora',sans-serif;font-size:1.6rem;font-weight:800;color:#fff;margin-bottom:6px}
.ax-form-header p{font-size:.87rem;color:#64748b}

.ax-form{display:flex;flex-direction:column;gap:16px}
.ax-field{display:flex;flex-direction:column;gap:6px}
.ax-field label{font-size:.8rem;font-weight:600;color:#94a3b8}
.ax-input-wrap{position:relative}
.ax-input-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:#475569;pointer-events:none}
.ax-input{width:100%;padding:12px 14px 12px 40px;background:rgba(255,255,255,.05);border:1.5px solid rgba(255,255,255,.1);border-radius:12px;color:#f1f5f9;font-size:.9rem;font-family:inherit;outline:none;transition:all .2s;box-sizing:border-box}
.ax-input::placeholder{color:#475569}
.ax-input:focus{border-color:#6C4DFF;background:rgba(108,77,255,.08);box-shadow:0 0 0 4px rgba(108,77,255,.15)}
.ax-select{appearance:none;cursor:pointer}

/* Password strength */
.ax-pwd-bar{height:4px;background:rgba(255,255,255,.08);border-radius:99px;overflow:hidden;margin-top:6px}
.ax-pwd-fill{height:100%;border-radius:99px;width:0;transition:all .3s}
.ax-pwd-label{font-size:.72rem;color:#64748b;margin-top:4px;min-height:14px}

.ax-btn{width:100%;padding:13px;border-radius:12px;background:linear-gradient(135deg,#6C4DFF,#4f46e5);border:none;color:#fff;font-size:.95rem;font-weight:700;cursor:pointer;font-family:inherit;transition:all .22s;box-shadow:0 4px 20px rgba(108,77,255,.35);display:flex;align-items:center;justify-content:center;gap:8px;margin-top:4px}
.ax-btn:hover{transform:translateY(-1px);box-shadow:0 8px 28px rgba(108,77,255,.45)}
.ax-btn:active{transform:translateY(0);box-shadow:0 2px 10px rgba(108,77,255,.3)}
.ax-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

.ax-divider{display:flex;align-items:center;gap:12px;color:#334155;font-size:.78rem;margin:4px 0}
.ax-divider::before,.ax-divider::after{content:'';flex:1;height:1px;background:rgba(255,255,255,.07)}

.ax-link-row{text-align:center;font-size:.84rem;color:#64748b}
.ax-link-row a{color:#a78bfa;font-weight:600;cursor:pointer;text-decoration:none;transition:color .15s}
.ax-link-row a:hover{color:#c4b5fd}

/* Override auth-err in dark context */
.ax-root .auth-err{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:#fca5a5;border-radius:10px;padding:10px 14px;font-size:.83rem}

/* Responsive */
@media(max-width:900px){
  .ax-shell{grid-template-columns:1fr}
  .ax-left{display:none}
}
@media(max-width:480px){
  .ax-right{padding:24px 20px}
  .ax-form-header h2{font-size:1.35rem}
}

/* ══ DASHBOARD & PROGRESS PREMIUM ══ */

/* Welcome card */
.welcome-card{background:linear-gradient(135deg,#6C4DFF 0%,#4f46e5 50%,#0ea5e9 100%);border-radius:20px;padding:28px 32px;color:#fff;position:relative;overflow:hidden;margin-bottom:22px;box-shadow:0 8px 32px rgba(108,77,255,.35)}
.welcome-card::before{content:'';position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.07)}
.welcome-card::after{content:'';position:absolute;left:35%;bottom:-70px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.05)}
.welcome-card h2{font-family:'Sora',sans-serif;font-size:1.5rem;font-weight:800;margin-bottom:6px;position:relative;z-index:1}
.welcome-card p{font-size:.9rem;opacity:.85;position:relative;z-index:1}
.streak-chip{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.25);padding:5px 14px;border-radius:99px;font-size:.8rem;font-weight:700;margin-top:14px;position:relative;z-index:1;backdrop-filter:blur(4px)}

/* Stat cards */
.stat-card{background:#fff;border:1.5px solid #f1f5f9;border-radius:16px;padding:20px;box-shadow:0 2px 12px rgba(0,0,0,.04);transition:all .2s;position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:16px 16px 0 0;background:var(--sc-color,#6C4DFF)}
.stat-card:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(0,0,0,.09)}
.stat-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.stat-icon{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.stat-value{font-family:'Sora',sans-serif;font-size:2rem;font-weight:900;line-height:1;margin-bottom:4px}
.stat-label{font-size:.78rem;color:#64748b;font-weight:600}

/* Dash grid */
.dash-grid{display:grid;grid-template-columns:1fr 320px;gap:18px}
@media(max-width:900px){.dash-grid{grid-template-columns:1fr}}

/* Cards */
.card{background:#fff;border:1.5px solid #f1f5f9;border-radius:16px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.04);transition:box-shadow .2s}
.card:hover{box-shadow:0 4px 20px rgba(0,0,0,.07)}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #f8fafc}
.card-title{font-size:.87rem;font-weight:700;color:#0f172a}
.card-body{padding:16px 20px}

/* Mini items */
.mini-item{display:flex;align-items:center;gap:12px;padding:11px 20px;border-bottom:1px solid #f8fafc;transition:background .15s}
.mini-item:last-child{border-bottom:none}
.mini-item:hover{background:#fafafa}
.mini-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:.95rem;flex-shrink:0}
.mini-info{flex:1;min-width:0}
.mini-info strong{display:block;font-size:.85rem;font-weight:700;color:#0f172a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini-info span{font-size:.73rem;color:#94a3b8}

/* Progress bars */
.progress-track{height:8px;background:#f1f5f9;border-radius:99px;overflow:hidden}
.progress-fill{height:100%;border-radius:99px;transition:width 1.2s cubic-bezier(.4,0,.2,1)}
.progress-label-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px;font-size:.83rem}
.progress-wrap{display:flex;flex-direction:column;gap:14px}

/* Heatmap */
.heatmap{display:grid;grid-template-columns:repeat(26,1fr);gap:3px;margin-top:10px}
.hc{aspect-ratio:1;border-radius:3px;background:#f1f5f9;transition:transform .15s,filter .15s;cursor:default}
.hc:hover{transform:scale(1.5);filter:brightness(1.1);z-index:2;position:relative}
.hc.l1{background:#c4b5fd}.hc.l2{background:#a78bfa}.hc.l3{background:#7c3aed}.hc.l4{background:#6C4DFF}

/* Bar chart */
.bar-chart{display:flex;align-items:flex-end;gap:5px;height:110px;margin-top:12px}

/* Progress page stats grid */
#progress-stats .stat-card{animation:fadeUp .4s ease both}
#progress-stats .stat-card:nth-child(2){animation-delay:.07s}
#progress-stats .stat-card:nth-child(3){animation-delay:.14s}
#progress-stats .stat-card:nth-child(4){animation-delay:.21s}

/* Subject breakdown */
#subject-breakdown>div{margin-bottom:16px}

/* Monthly summary */
#monthly-summary>div{margin-bottom:12px}

/* Quick access buttons */
#page-dashboard .btn-secondary{border-radius:12px;font-size:.85rem;font-weight:600;padding:11px 16px;border:1.5px solid #f1f5f9;background:#fafafa;color:#374151;transition:all .18s}
#page-dashboard .btn-secondary:hover{border-color:#6C4DFF;background:#faf5ff;color:#6C4DFF;transform:translateX(3px)}

/* AI usage */
#dash-ai-usage .progress-track{height:7px}

/* Page header */
.page-header{margin-bottom:24px}
.page-header h2{font-family:'Sora',sans-serif;font-size:1.4rem;font-weight:800;color:#0f172a;margin-bottom:4px}
.page-header p{font-size:.85rem;color:#64748b}

/* Responsive */
@media(max-width:640px){
  .welcome-card{padding:20px}
  .welcome-card h2{font-size:1.2rem}
  .grid-4{grid-template-columns:1fr 1fr!important}
  .heatmap{grid-template-columns:repeat(13,1fr)}
  .stat-value{font-size:1.5rem}
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVIDADE GLOBAL COMPLETA — override styles.css
══════════════════════════════════════════════════════════ */

/* Base: prevent horizontal overflow on all screens */
*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: hidden; max-width: 100vw; }

/* ── App shell ── */
.app-shell, #app {
  display: flex;
  min-height: 100vh;
  overflow: hidden;
}

/* ── Main area always fills remaining space ── */
.main-area {
  flex: 1;
  min-width: 0;
  overflow-x: hidden;
  max-width: 100%;
}

/* ── Pages ── */
.page {
  padding: clamp(12px, 3vw, 28px);
  max-width: 100%;
  overflow-x: hidden;
}

/* ── Topbar ── */
.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 clamp(12px, 3vw, 24px);
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 90;
}

/* ── Grids ── */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }

/* ── Cards never overflow ── */
.card, .stat-card, .quiz-card, .mat-card, .deck-card, .feature-card {
  min-width: 0;
  overflow: hidden;
}

/* ═══ BREAKPOINTS ═══ */

/* Tablet ≤1024px */
@media(max-width:1024px) {
  /* Sidebar becomes fixed drawer */
  .sidebar {
    position: fixed !important;
    left: -280px !important;
    top: 0 !important;
    height: 100vh !important;
    z-index: 150 !important;
    transition: left .28s cubic-bezier(.4,0,.2,1) !important;
    box-shadow: none !important;
    width: 260px !important;
  }
  .sidebar.open {
    left: 0 !important;
    box-shadow: 8px 0 32px rgba(0,0,0,.25) !important;
  }
  /* Main area takes full width */
  .main-area {
    margin-left: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  /* Show hamburger */
  .topbar-hamburger { display: flex !important; }

  /* Grids */
  .grid-4 { grid-template-columns: repeat(2, 1fr) !important; }
  .dash-grid { grid-template-columns: 1fr !important; }
}

/* Mobile ≤768px */
@media(max-width:768px) {
  /* Typography fluid */
  h1 { font-size: clamp(1.3rem, 5vw, 2rem) !important; }
  h2 { font-size: clamp(1.1rem, 4vw, 1.5rem) !important; }

  /* Page padding */
  .page { padding: 12px !important; }
  .page-header { padding: 0 0 14px !important; }

  /* Stats grid */
  .grid-4 { grid-template-columns: repeat(2, 1fr) !important; gap: 10px !important; }
  .grid-3 { grid-template-columns: 1fr 1fr !important; gap: 10px !important; }

  /* Stat cards compact */
  .stat-card { padding: 14px 12px !important; }
  .stat-value { font-size: clamp(1.2rem, 6vw, 1.8rem) !important; }

  /* Welcome card */
  .welcome-card { padding: 16px !important; }

  /* Topbar */
  .topbar { padding: 0 12px !important; height: 52px !important; }
  .topbar-search { display: none !important; }

  /* Quiz */
  .quiz-grid { grid-template-columns: 1fr !important; }
  .qa-choices { grid-template-columns: 1fr !important; }
  .qa-question { padding: 16px !important; }
  .qa-question h2 { font-size: 1rem !important; }

  /* Flashcards */
  .decks-grid { grid-template-columns: 1fr 1fr !important; }
  .fc-card { height: 200px !important; }

  /* Materials */
  .mat-grid { grid-template-columns: 1fr !important; }
  .mat-viewer-modal { height: 100vh !important; max-height: 100vh !important; border-radius: 0 !important; }
  .mat-viewer-body { padding: 14px !important; }

  /* Modals */
  .modal { padding: 18px !important; max-height: 90vh !important; overflow-y: auto !important; }
  .modal-backdrop { align-items: flex-end !important; padding: 0 !important; }
  .modal { border-radius: 18px 18px 0 0 !important; }

  /* Chat */
  .cx-shell { grid-template-columns: 1fr !important; }
  .cx-modes { display: none !important; }
  .cx-chips { gap: 4px !important; }
  .cx-chip { font-size: .71rem !important; padding: 5px 9px !important; }
  .cx-messages .msg-group { padding: 8px 12px !important; }
  .user-bubble { max-width: 88% !important; }

  /* Plan/wizard */
  .day-cards-grid { grid-template-columns: 1fr !important; }
  .wizard-options { gap: 8px !important; }
  .wiz-opt { padding: 12px !important; }

  /* Heatmap */
  .heatmap { grid-template-columns: repeat(13, 1fr) !important; gap: 2px !important; }

  /* Progress */
  .bar-chart { height: 80px !important; }

  /* Node modal → bottom sheet */
  .mm-node-modal {
    bottom: 0 !important;
    right: 0 !important;
    left: 0 !important;
    width: 100% !important;
    border-radius: 18px 18px 0 0 !important;
    max-height: 60vh !important;
    overflow-y: auto !important;
  }

  /* Auth */
  .ax-shell { grid-template-columns: 1fr !important; }
  .ax-left { display: none !important; }

  /* Landing */
  .lp-features-grid { grid-template-columns: 1fr !important; }
  .lp-pricing-grid { grid-template-columns: 1fr !important; }
  .lp-steps { flex-direction: column !important; gap: 12px !important; }
  .lp-step-arrow { transform: rotate(90deg) !important; }
  .lp-nav2-actions, .lp-links2 { display: none !important; }
  .lp-hamburger { display: flex !important; align-items: center !important; justify-content: center !important; }
  .fc1, .fc2, .fc3 { display: none !important; }

  /* Sidebar collapse */
  .cx-sidebar.cx-collapsed { width: 0 !important; }
  .cx-shell.cx-sidebar-hidden { grid-template-columns: 1fr !important; }

  /* Billing plans */
}

/* Small mobile ≤480px */
@media(max-width:480px) {
  .grid-4 { grid-template-columns: 1fr 1fr !important; gap: 8px !important; }
  .grid-3 { grid-template-columns: 1fr !important; }
  .stat-card { padding: 12px 10px !important; }
  .stat-value { font-size: 1.2rem !important; }
  .decks-grid { grid-template-columns: 1fr !important; }
  .lp-stats { flex-direction: column !important; gap: 10px !important; }
  .lp-stat-div { width: 60px !important; height: 1px !important; }
  .lp-cta-main, .lp-cta-sec { width: 100% !important; justify-content: center !important; }
  .lp-hero-actions { flex-direction: column !important; }
  .chat-header-bar { flex-wrap: wrap !important; gap: 6px !important; }
  .lp-stats { padding: 14px 16px !important; }
}

/* Desktop ≥1280px */
@media(min-width:1280px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr) !important; }
  .grid-3 { grid-template-columns: repeat(3, 1fr) !important; }
  .page { padding: 28px 32px !important; }
}

/* Ultrawide ≥1800px */
@media(min-width:1800px) {
  .main-area > .page { max-width: 1400px; margin: 0 auto; }
}

/* Lock scroll when sidebar open on mobile */
body.sidebar-lock { overflow: hidden !important; }


/* ══ PROFILE PAGE — RESPONSIVE FIX ══ */
#page-profile { padding: clamp(12px,3vw,28px) !important; }

#page-profile .profile-hero {
  display: flex !important;
  align-items: center !important;
  gap: 18px !important;
  flex-wrap: wrap !important;
  padding: 20px 22px !important;
  margin-bottom: 20px !important;
}

#page-profile .grid-2 {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 16px !important;
}

/* ── Mobile ── */
@media(max-width:768px) {
  #page-billing > div:last-child {
    padding: 16px !important;
  }

  #page-profile .profile-hero {
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    padding: 16px !important;
  }
  #page-profile .profile-hero > div > div {
    justify-content: center !important;
  }
  #page-profile .grid-2 {
    grid-template-columns: 1fr !important;
  }
  #page-profile .profile-ava-lg {
    width: 60px !important;
    height: 60px !important;
    font-size: 1.4rem !important;
  }
  #page-profile .card-body {
    padding: 16px !important;
  }
}

@media(max-width:480px) {
  #page-profile .card-header {
    padding: 14px 16px !important;
  }
}

@media(min-width:1024px) {
}

/* ══ CRITICAL FIX — app-main margin mobile ══ */
@media(max-width:1024px){
  div.app-main,
  #app > div.app-main,
  .app-main {
    margin-left: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  /* Sidebar truly off-screen */
  aside.sidebar,
  .sidebar {
    position: fixed !important;
    left: 0 !important;
    top: 0 !important;
    height: 100vh !important;
    width: 256px !important;
    transform: translateX(-100%) !important;
    transition: transform .28s cubic-bezier(.4,0,.2,1) !important;
    z-index: 200 !important;
    box-shadow: none !important;
  }
  aside.sidebar.open,
  .sidebar.open {
    transform: translateX(0) !important;
    box-shadow: 8px 0 32px rgba(15,23,42,.2) !important;
  }
  /* Billing grid full width */
}
@media(min-width:1025px){
  div.app-main,
  .app-main {
    margin-left: 256px !important;
  }
}