/* =========================
   Kamigenia Auth & Chat UI
   ========================= */

:root{
  --bg0:#070b16;
  --bg1:#0b1230;
  --card:#0f1a3a;
  --stroke:rgba(255,255,255,.08);
  --text:#eaf0ff;
  --muted:rgba(234,240,255,.65);
  --primary:#2f6bff;
  --primary2:#4a86ff;
  --danger:#ff4d4d;
  --ok:#2bd576;
  --radius:18px;
}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
}

.auth-body{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:
    radial-gradient(1000px 500px at 20% 0%, rgba(47,107,255,.25), transparent 60%),
    radial-gradient(900px 500px at 80% 10%, rgba(123,59,255,.18), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  color:var(--text);
}

.auth-wrap{
  width:100%;
  max-width:500px;
  padding:20px;
}

.auth-card{
  background:var(--card);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:0 20px 60px rgba(0,0,0,.45);
}

.auth-header{
  margin-bottom:24px;
}

.brand{
  display:flex;
  gap:12px;
  align-items:center;
}

.brand-mark{
  width:44px;
  height:44px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:18px;
  background:linear-gradient(135deg, var(--primary), #7b3bff);
}

.brand-title{
  margin:0;
  font-size:22px;
}

.brand-subtitle{
  margin:4px 0 0;
  font-size:13px;
  color:var(--muted);
}

.auth-form{
  display:flex;
  flex-direction:column;
  gap:16px;
}

.field label{
  font-size:13px;
  margin-bottom:6px;
  display:block;
  color:var(--muted);
}

.field input{
  width:100%;
  padding:12px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(3,6,16,.6);
  color:var(--text);
  outline:none;
}

.field input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(47,107,255,.2);
}

.field-error{
  font-size:12px;
  color:var(--danger);
  margin-top:4px;
}

.input-group{
  display:flex;
  gap:10px;
}

.icon-btn{
  padding:0 12px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.05);
  color:var(--text);
  cursor:pointer;
}

.row-between{
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.check{
  display:flex;
  gap:8px;
  font-size:13px;
}

.link{
  font-size:13px;
  color:var(--primary);
  text-decoration:none;
}

.link:hover{
  text-decoration:underline;
}

.btn-primary{
  padding:13px;
  border-radius:14px;
  border:none;
  font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--primary2));
  color:white;
  cursor:pointer;
}

.btn-primary:disabled{
  opacity:.6;
  cursor:not-allowed;
}

.alert{
  display:none;
  margin-top:10px;
  padding:10px;
  border-radius:12px;
  font-size:13px;
}

.alert-error{
  display:block;
  background:rgba(255,77,77,.1);
  border:1px solid rgba(255,77,77,.3);
  color:var(--danger);
}

.alert-ok{
  display:block;
  background:rgba(43,213,118,.1);
  border:1px solid rgba(43,213,118,.3);
  color:var(--ok);
}

.auth-footer{
  margin-top:20px;
  text-align:center;
}

.muted{
  font-size:12px;
  color:var(--muted);
}

/* =========================
   Admin UI
   ========================= */

.admin-body{
  min-height:100vh;
  background:
    radial-gradient(1000px 500px at 20% 0%, rgba(47,107,255,.18), transparent 60%),
    radial-gradient(900px 500px at 80% 10%, rgba(123,59,255,.14), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  color:var(--text);
}

.admin-wrap{
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px;
}

.admin-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.admin-title{
  margin:0;
  font-size: 24px;
  letter-spacing:.2px;
}

.admin-nav{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

.admin-nav a{
  color: rgba(234,240,255,.9);
  text-decoration:none;
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.03);
}
.admin-nav a:hover{
  border-color: rgba(47,107,255,.45);
}

.pill-soft{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.04);
  color: rgba(234,240,255,.85);
}

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.card{
  grid-column: span 12;
  background: rgba(12, 22, 54, .70);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}

@media (min-width: 760px){
  .card.span-3{ grid-column: span 3; }
  .card.span-4{ grid-column: span 4; }
  .card.span-6{ grid-column: span 6; }
  .card.span-8{ grid-column: span 8; }
}

.kpi{
  display:flex;
  flex-direction:column;
  gap: 6px;
}

.kpi .label{
  color: var(--muted);
  font-size: 12px;
}

.kpi .value{
  font-size: 34px;
  font-weight: 800;
  line-height: 1.05;
}

.kpi .sub{
  color: rgba(234,240,255,.7);
  font-size: 12px;
}

.form-row{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items:center;
}

.select, .input, .btn{
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: rgba(3,6,16,.55);
  color: var(--text);
  padding: 10px 12px;
  outline: none;
}

.select:focus, .input:focus{
  border-color: rgba(47,107,255,.55);
  box-shadow: 0 0 0 4px rgba(47,107,255,.12);
}

.btn{
  cursor:pointer;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  border: none;
  font-weight: 700;
  padding: 10px 14px;
}
.btn:active{ transform: scale(.99); }

.hr{
  height:1px;
  background: rgba(255,255,255,.07);
  margin: 12px 0;
}

.small-muted{
  font-size: 12px;
  color: var(--muted);
}

/* ================= CHAT (v2 estético + responsive) ================= */

.chat-body{
  margin:0;
  background:
    radial-gradient(900px 600px at 15% 0%, rgba(47,107,255,.20), transparent 60%),
    radial-gradient(900px 600px at 85% 10%, rgba(123,59,255,.16), transparent 55%),
    linear-gradient(180deg, #070b16, #0b1230);
  color:#eaf0ff;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
}

.chat-layout{
  display:flex;
  min-height:100vh;
}

/* ---------- Sidebar desktop ---------- */
.chat-sidebar{
  width: 280px;
  padding: 18px;
  background: rgba(12, 22, 54, .70);
  border-right: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(10px);
  display:flex;
  flex-direction:column;
  gap: 14px;
}

.sidebar-top{
  display:flex;
  align-items:center;
  gap: 12px;
  padding: 10px 10px 6px;
}

.sidebar-top h2{
  margin:0;
  font-size: 18px;
  letter-spacing:.2px;
}

.sidebar-top::before{
  content:"K";
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  font-weight: 800;
  background: linear-gradient(135deg, rgba(47,107,255,.92), rgba(123,59,255,.86));
  box-shadow: 0 12px 30px rgba(47,107,255,.25);
}

.sidebar-nav{
  display:flex;
  flex-direction:column;
  gap: 6px;
  padding: 6px;
}

.sidebar-nav a{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  color: rgba(234,240,255,.86);
  text-decoration:none;
  font-size: 14px;
  border: 1px solid transparent;
  background: transparent;
  transition: background .15s ease, border-color .15s ease, transform .05s ease;
}

.sidebar-nav a:hover{
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.08);
}

.sidebar-nav a:active{
  transform: scale(.99);
}

/* iconitos sin librerías (emoji) */
.sidebar-nav a[href*="chat"]::before{ content:"💬"; }
.sidebar-nav a[href*="images"]::before{ content:"🖼️"; }
.sidebar-nav a[href*="redeem"]::before{ content:"🎟️"; }
.sidebar-nav a[href*="admin"]::before{ content:"🛠️"; }
.sidebar-nav a[href*="logout"]::before{ content:"🚪"; }

/* badge abajo */
.sidebar-bottom{
  margin-top:auto;
  padding: 6px;
}

.badge{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 13px;
  color: rgba(234,240,255,.9);
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}

/* ---------- Main chat ---------- */
.chat-main{
  flex:1;
  display:flex;
  flex-direction:column;
  min-width: 0;
}

.chat-messages{
  flex:1;
  padding: 18px;
  overflow:auto;
  display:flex;
  flex-direction:column;
  gap: 12px;
}

.msg{
  max-width: 76%;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.35;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}

.msg.user{
  align-self:flex-end;
  background: linear-gradient(135deg, rgba(47,107,255,.95), rgba(74,134,255,.90));
  border-color: rgba(47,107,255,.35);
}

.msg.assistant{
  align-self:flex-start;
  background: rgba(17,28,58,.75);
}

.chat-input{
  display:flex;
  gap: 10px;
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(12,22,54,.55);
  backdrop-filter: blur(10px);
}

.chat-input input{
  flex:1;
  min-width: 0;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(3,6,16,.55);
  color: #eaf0ff;
  outline:none;
}

.chat-input input:focus{
  border-color: rgba(47,107,255,.55);
  box-shadow: 0 0 0 4px rgba(47,107,255,.12);
}

.chat-input button{
  padding: 12px 16px;
  border:none;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(47,107,255,.95), rgba(74,134,255,.90));
  color:white;
  font-weight: 700;
  cursor:pointer;
}

.chat-footer{
  padding: 8px 18px 12px;
  font-size: 12px;
  color: rgba(234,240,255,.65);
}

/* ---------- Responsive móvil ---------- */
/* En móvil, sidebar pasa arriba (barra) y el chat ocupa todo */
@media (max-width: 768px){
  .chat-layout{ flex-direction:column; }

  .chat-sidebar{
    width: 100%;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,.08);
    border-radius: 0;
    padding: 12px;
  }

  .sidebar-top{ padding: 8px; }
  .sidebar-top::before{ width: 38px; height: 38px; border-radius: 12px; }

  .sidebar-nav{
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    padding: 6px;
  }

  .sidebar-nav a{
    flex: 1 1 calc(50% - 8px);
    justify-content: center;
    padding: 10px;
  }

  .sidebar-bottom{ padding: 6px; }
  .badge{ justify-content:center; }
}

/* ===== Conversaciones + Upload UI ===== */
.sidebar-actions{ padding: 6px; }
.btn-side{
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: rgba(234,240,255,.92);
  cursor: pointer;
  font-weight: 700;
}
.btn-side:hover{ background: rgba(255,255,255,.06); }

.sidebar-section{ padding: 6px; }
.sidebar-label{
  font-size: 12px;
  color: rgba(234,240,255,.6);
  padding: 6px 8px;
}

.conv-list{
  display:flex;
  flex-direction:column;
  gap: 6px;
  padding: 6px;
  max-height: 240px;
  overflow:auto;
}

.conv-item{
  padding: 10px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: rgba(234,240,255,.88);
  cursor:pointer;
  font-size: 13px;
}
.conv-item:hover{
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.08);
}
.conv-item.active{
  background: rgba(47,107,255,.14);
  border-color: rgba(47,107,255,.35);
}

.chat-topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 12px 12px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(12,22,54,.55);
  backdrop-filter: blur(10px);
}
.chat-title{
  font-weight: 800;
  color: rgba(234,240,255,.92);
}

.upload-btn{
  display:inline-flex;
  gap: 8px;
  align-items:center;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  cursor:pointer;
  font-size: 13px;
  color: rgba(234,240,255,.92);
}

.files-bar{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 12px;
}
.file-chip{
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  font-size: 12px;
  color: rgba(234,240,255,.85);
}

/* ===== App Shell (ChatGPT-like) ===== */
.app-body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(900px 600px at 20% 0%, rgba(47,107,255,.18), transparent 60%),
    radial-gradient(900px 600px at 80% 10%, rgba(123,59,255,.14), transparent 55%),
    linear-gradient(180deg, #070b16, #0b1230);
  color: rgba(234,240,255,.92);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
}

.app-shell{
  display:flex;
  height:100vh;
  overflow:hidden;
}

.side{
  width: 300px;
  min-width: 280px;
  max-width: 340px;
  border-right: 1px solid rgba(255,255,255,.08);
  background: rgba(10,16,40,.35);
  backdrop-filter: blur(10px);
  display:flex;
  flex-direction:column;
}

.side-top{
  padding: 14px;
  display:flex;
  flex-direction:column;
  gap: 10px;
}

.side-brand{
  display:flex;
  align-items:center;
  gap: 10px;
}

.brand-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  display:grid;
  place-items:center;
  font-weight:800;
  background: linear-gradient(135deg, rgba(47,107,255,.95), rgba(123,59,255,.85));
}

.brand-name{
  font-weight:800;
  letter-spacing:.2px;
}

.search .input{
  width:100%;
}

.side-list{
  padding: 6px;
  overflow:auto;
  flex: 1;
}

.conv-item{
  width:100%;
  text-align:left;
  border: 1px solid transparent;
  background: transparent;
  color: rgba(234,240,255,.9);
  padding: 10px 10px;
  border-radius: 12px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}

.conv-item:hover{
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.06);
}

.conv-item.active{
  background: rgba(47,107,255,.14);
  border-color: rgba(47,107,255,.25);
}

.conv-actions{
  display:flex;
  gap:6px;
  opacity:.9;
}

.conv-actions button{
  border:none;
  background: rgba(255,255,255,.06);
  color: rgba(234,240,255,.9);
  border-radius: 10px;
  padding: 6px 8px;
  cursor:pointer;
}
.conv-actions button:hover{ background: rgba(255,255,255,.10); }

.side-bottom{
  padding: 12px 14px;
  border-top: 1px solid rgba(255,255,255,.08);
  display:flex;
  flex-direction:column;
  gap: 10px;
}

.badge{
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  font-size: 13px;
}

.side-links{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  font-size: 13px;
}
.side-links a{
  color: rgba(234,240,255,.85);
  text-decoration:none;
}
.side-links a:hover{ text-decoration:underline; }

/* Main */
.main{
  flex: 1;
  display:flex;
  flex-direction:column;
  overflow:hidden;
}

.topbar{
  padding: 12px 14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(10,16,40,.25);
  backdrop-filter: blur(10px);
}

.topbar-title{
  font-weight:800;
  letter-spacing:.2px;
}

.topbar-actions{
  display:flex;
  gap: 10px;
  align-items:center;
  flex-wrap:wrap;
}

.chat{
  display:flex;
  flex-direction:column;
  flex:1;
  overflow:hidden;
}

.chat-scroll{
  flex:1;
  overflow:auto;
  padding: 18px;
  display:flex;
  flex-direction:column;
  gap: 10px;
}

/* Burbujas */
.msg{
  max-width: min(720px, 92%);
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  line-height: 1.35;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.msg.user{
  margin-left:auto;
  background: rgba(47,107,255,.18);
  border-color: rgba(47,107,255,.25);
}

.msg.assistant{
  margin-right:auto;
  background: rgba(255,255,255,.04);
}

/* Composer */
.composer{
  display:flex;
  gap: 10px;
  padding: 12px 14px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(10,16,40,.25);
}

.composer-input{
  flex:1;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(3,6,16,.55);
  color: rgba(234,240,255,.92);
  padding: 12px 12px;
  outline:none;
}

.files-bar{
  padding: 10px 14px;
  display:flex;
  gap: 8px;
  flex-wrap:wrap;
}

.file-chip{
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  font-size: 12px;
  color: rgba(234,240,255,.85);
}

/* Buttons + Inputs reuse */
.input{
  box-sizing:border-box;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(3,6,16,.55);
  color: rgba(234,240,255,.92);
  outline:none;
}
.btn{
  border:none;
  border-radius: 12px;
  padding: 10px 12px;
  cursor:pointer;
  color: rgba(234,240,255,.95);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
}
.btn:hover{ background: rgba(255,255,255,.10); }
.btn-primary{
  background: linear-gradient(135deg, #2f6bff, #4a86ff);
  border-color: rgba(47,107,255,.25);
}
.btn-danger{
  background: rgba(255,77,77,.12);
  border: 1px solid rgba(255,77,77,.28);
}
.btn-danger:hover{ background: rgba(255,77,77,.18); }
.btn-ghost{
  background: transparent;
}

/* ===== Mobile Sidebar (ChatGPT-like) ===== */
.burger{
  display:none;
}

.side-close{
  display:none;
  margin-left:auto;
  padding: 8px 10px;
}

.overlay{
  position:fixed;
  inset:0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(2px);
  z-index: 50;
}

@media (max-width: 900px){
  .burger{ display:inline-flex; }

  .app-shell{
    position:relative;
  }

  /* Sidebar pasa a overlay deslizante */
  .side{
    position:fixed;
    top:0;
    left:0;
    height:100vh;
    z-index: 60;
    transform: translateX(-105%);
    transition: transform .18s ease;
    width: min(320px, 86vw);
    max-width: 360px;
  }

  .side-close{ display:inline-flex; }

  /* Cuando está abierto */
  .app-shell.side-open .side{
    transform: translateX(0);
  }

  .main{
    width:100%;
  }
}

/* ===== Drag & Drop Upload ===== */
.dropzone {
  position: relative;
}

.drop-hint {
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(255,255,255,.18);
  border-radius: 14px;
  background: rgba(10,18,45,.55);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 16px;
  color: rgba(234,240,255,.85);
  backdrop-filter: blur(6px);
  box-shadow: 0 18px 40px rgba(0,0,0,.25);
  opacity: 0;
  pointer-events: none;
  transform: scale(.98);
  transition: opacity .12s ease, transform .12s ease;
  z-index: 5;
}

.dropzone.is-dragover .drop-hint{
  opacity: 1;
  transform: scale(1);
}

.queue-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 12px;
}

.file-queue-chip{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  color: rgba(234,240,255,.9);
  font-size: 12px;
}

.file-queue-chip .x{
  border: none;
  background: rgba(255,255,255,.08);
  color: rgba(234,240,255,.95);
  width: 22px;
  height: 22px;
  border-radius: 999px;
  cursor: pointer;
  line-height: 22px;
  padding: 0;
}

.file-queue-chip .x:active{ transform: scale(.98); }

.small-warn{
  color: rgba(234,240,255,.75);
  font-size: 12px;
  padding: 0 12px 10px;
}