/* CreaKampus AI Tutors · sistema visual v18 (marino, cian, acentos dorados) */
:root{
  --ink:#0B1424; --ink-2:#26303F; --ink-3:#3E4B5E; --ink-4:#4A5668;
  --navy:#040A14; --navy-2:#0B1424;
  --cyan:#22C7EE; --cyan-l:#7CD9FF; --sky:#4FACFE; --blue:#1E4FD8; --teal:#0A7397; --teal-d:#075A76;
  --gold:#E9B44C; --gold-l:#F6D99A;
  --glass:rgba(255,255,255,.42); --glass-b:rgba(255,255,255,.7);
  --grad-btn:linear-gradient(135deg,#0A6F94 0%,#1677C9 55%,#1E4FD8 100%);
  --grad-lux:linear-gradient(100deg,#C9F1FF 0%,#6FD6F6 32%,#22C7EE 62%,#4FACFE 100%);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--ink);background:#DFE5EB;-webkit-font-smoothing:antialiased}
a{color:var(--teal)}a:hover{color:var(--teal-d)}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ck-grain{background-image:url(/static/img/grain.svg);background-size:240px 240px}
button{font:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* ---------- Marca ---------- */
.ck-brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.ck-brand img{width:36px;height:36px;border-radius:9px}
.ck-brand-text{display:flex;flex-direction:column;line-height:1.1}
.ck-brand-name{font-family:'Sora',system-ui,sans-serif;font-weight:700;letter-spacing:-.01em;color:#fff}
.ck-brand-name .k{color:var(--gold)}
.ck-brand-sub{font-size:10.5px;font-weight:600;letter-spacing:.22em;color:#9FB3C8}

/* ---------- Fondo claro del recorrido ---------- */
.ck-light{position:relative;isolation:isolate;min-height:100vh;display:flex;flex-direction:column;overflow-x:clip;
  background:radial-gradient(900px 520px at 88% 4%,rgba(34,199,238,.22),rgba(34,199,238,0) 62%),radial-gradient(760px 480px at 4% 96%,rgba(30,79,216,.14),rgba(30,79,216,0) 60%),linear-gradient(180deg,#E6EBF0 0%,#D7DEE6 100%)}
.ck-orb{position:absolute;z-index:-1;border-radius:50%;pointer-events:none}
.ck-orb-a{top:180px;right:6%;width:220px;height:220px;background:radial-gradient(circle,rgba(255,255,255,.95) 0%,rgba(255,255,255,0) 68%)}
.ck-orb-b{top:620px;left:36%;width:320px;height:320px;background:radial-gradient(circle,rgba(34,199,238,.28) 0%,rgba(34,199,238,0) 70%)}
.ck-orb-c{top:90px;left:3%;width:90px;height:90px;background:radial-gradient(circle,rgba(207,240,255,.95) 0%,rgba(207,240,255,0) 70%)}
.ck-grain-light{position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.22;mix-blend-mode:soft-light}

.glass{background:var(--glass);border:1px solid var(--glass-b);backdrop-filter:blur(24px) saturate(150%);-webkit-backdrop-filter:blur(24px) saturate(150%);box-shadow:inset 0 1px 0 rgba(255,255,255,.75),0 18px 48px rgba(11,20,36,.10)}
.glass-dark{background:rgba(11,20,36,.86);backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);border:1px solid rgba(255,255,255,.1);color:#EEF3F8;box-shadow:inset 0 1px 0 rgba(233,180,76,.35),0 24px 60px rgba(11,20,36,.18)}

/* ---------- Encabezado y pie del asistente ---------- */
.ck-topbar{background:rgba(11,20,36,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);position:sticky;top:0;z-index:50}
.ck-topbar-in{max-width:1240px;margin:0 auto;padding:14px clamp(16px,4vw,32px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.ck-steps{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:22px;font-size:14px;color:#9FB3C8}
.ck-steps li{display:flex;align-items:center;gap:8px}
.ck-steps .dot{width:26px;height:26px;border-radius:50%;border:1px solid #3A4A63;display:flex;align-items:center;justify-content:center;font-size:13px}
.ck-steps .done{color:#C7D3E0}.ck-steps .done .dot{border-color:var(--cyan);color:var(--cyan)}
.ck-steps .current{font-weight:700;color:#fff}.ck-steps .current .dot{background:var(--cyan);border-color:var(--cyan);color:#070D1A}
.ck-saved{font-size:13px;color:#9FB3C8;min-width:120px;text-align:right}
.ck-topbar a.ck-toplink{font-size:15px;font-weight:600;color:#C7D3E0;text-decoration:none}
.ck-topbar a.ck-toplink:hover{color:#fff}
.ck-wfoot{margin-top:auto;border-top:1px solid rgba(255,255,255,.7);background:rgba(255,255,255,.4);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);position:sticky;bottom:0;z-index:40}
.ck-wfoot-in{max-width:1240px;margin:0 auto;padding:14px clamp(16px,4vw,32px);display:flex;justify-content:space-between;align-items:center;gap:16px}
.ck-back{font-size:15px;font-weight:600;color:var(--ink)}

/* ---------- Botones y campos ---------- */
.ck-btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;text-decoration:none;border:0;cursor:pointer;background:var(--grad-btn);color:#fff;padding:14px 24px;border-radius:12px;font-size:16px;font-weight:700;box-shadow:0 8px 20px rgba(10,111,148,.26);transition:box-shadow .2s ease,transform .2s ease}
.ck-btn-primary:hover{color:#fff;box-shadow:0 10px 26px rgba(10,111,148,.36);transform:translateY(-1px)}
.ck-btn-primary[disabled],.ck-btn-primary[aria-disabled=true]{opacity:.5;cursor:not-allowed;transform:none}
.ck-btn-lux{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;cursor:pointer;background:var(--grad-lux);color:#03182A;padding:12px 20px;border-radius:12px;font-size:14px;font-weight:700;text-decoration:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 0 0 1px rgba(189,239,255,.45),0 8px 26px rgba(34,199,238,.24)}
.ck-btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:600;padding:10px 14px;border:1px solid rgba(11,20,36,.16);border-radius:12px;background:rgba(255,255,255,.55);color:var(--ink);text-decoration:none;cursor:pointer}
.ck-btn-ghost:hover{background:rgba(255,255,255,.8);color:var(--ink)}
.ck-btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;padding:10px 14px;border:1px solid var(--teal);border-radius:12px;background:rgba(255,255,255,.55);color:var(--teal);text-decoration:none;cursor:pointer}
.ck-wa{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:12px;background:rgba(6,16,30,.88);color:#EAF6FF;font-size:14px;font-weight:700;text-decoration:none;box-shadow:inset 0 0 0 1px rgba(124,217,255,.35),inset 0 1px 0 rgba(233,180,76,.45)}
.ck-wa:hover{color:#fff}
.field{display:flex;flex-direction:column;gap:8px;min-width:0}
.field label,.label{font-size:14px;font-weight:600}
.field .hint{font-size:13px;color:var(--ink-4)}
.input{font:inherit;font-size:16px;padding:12px 14px;border:1px solid rgba(11,20,36,.16);border-radius:12px;background:rgba(255,255,255,.6);color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease;width:100%}
.input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px rgba(34,199,238,.18)}
textarea.input{resize:vertical}
.row{display:flex;flex-wrap:wrap;gap:16px}
.row>.field{flex:1 1 240px}
.err{padding:12px 14px;border-radius:12px;background:rgba(255,235,235,.8);border:1px solid rgba(190,40,40,.35);color:#7A1C1C;font-size:14px}
.ok{padding:12px 14px;border-radius:12px;background:rgba(232,247,255,.85);border:1px solid rgba(10,115,151,.35);color:#0B3B4E;font-size:14px}

/* ---------- Diseño del asistente ---------- */
.ck-main{max-width:1240px;width:100%;margin:0 auto;padding:44px clamp(16px,4vw,32px) 40px;display:flex;flex-wrap:wrap;gap:40px}
.ck-col{flex:1 1 600px;min-width:0;display:flex;flex-direction:column;gap:28px}
.ck-aside{flex:1 1 380px;min-width:0;align-self:flex-start;display:flex;flex-direction:column;gap:16px;position:sticky;top:90px}
.h1{margin:0;font-family:'Sora',system-ui,sans-serif;font-weight:300;font-size:clamp(30px,4vw,40px);line-height:1.12;letter-spacing:-.02em}
.lead{margin:10px 0 0;font-size:17px;line-height:1.6;color:var(--ink-3)}
.eyebrow{margin:0 0 14px;display:flex;align-items:center;gap:12px;font-size:11.5px;font-weight:700;letter-spacing:.24em;color:#0A6F94}
.eyebrow::before{content:'';width:28px;height:1px;background:#0A6F94}
.card{padding:24px;border-radius:20px;display:flex;flex-direction:column;gap:22px}
.chip{font:inherit;display:inline-flex;align-items:baseline;gap:8px;padding:10px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.85);background:rgba(255,255,255,.45);color:var(--ink);cursor:pointer;box-shadow:inset 0 1px 0 rgba(255,255,255,.8);transition:background-color .2s ease,box-shadow .2s ease}
.chip strong{font-size:14px}.chip span{font-size:12px;font-weight:600;opacity:.75}
.chip[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink);box-shadow:0 0 0 3px rgba(34,199,238,.22),0 8px 18px rgba(11,20,36,.18)}
.pick{font:inherit;text-align:left;padding:18px;border-radius:16px;border:1px solid rgba(255,255,255,.75);background:rgba(255,255,255,.38);backdrop-filter:blur(20px) saturate(150%);-webkit-backdrop-filter:blur(20px) saturate(150%);color:var(--ink);box-shadow:inset 0 1px 0 rgba(255,255,255,.75),0 8px 24px rgba(11,20,36,.06);display:flex;flex-direction:column;gap:6px;cursor:pointer;transition:box-shadow .25s ease,background-color .25s ease}
.pick[aria-pressed=true]{background:rgba(255,255,255,.74);box-shadow:0 0 0 1.5px var(--teal),0 0 0 5px rgba(34,199,238,.18),0 14px 32px rgba(11,20,36,.12)}
.pick[data-role=secondary]{box-shadow:0 0 0 2px var(--sky),0 10px 24px rgba(30,79,216,.12)}
.pick .t{font-family:'Sora',system-ui,sans-serif;font-size:17px;font-weight:600}
.pick .d{font-size:14px;color:var(--ink-3);line-height:1.45}
.pick .q{font-size:15px;font-style:italic;margin-top:4px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:640px){.grid2{grid-template-columns:1fr}}
.seg{display:inline-flex;padding:4px;gap:4px;border:1px solid rgba(255,255,255,.75);border-radius:999px;background:rgba(255,255,255,.38);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.seg button{font-size:14px;font-weight:600;padding:9px 16px;border:0;border-radius:999px;background:transparent;color:var(--ink-2);cursor:pointer}
.seg button[aria-pressed=true]{font-weight:700;background:var(--ink);color:#fff;box-shadow:0 6px 16px rgba(11,20,36,.22)}
.seg-dark{display:inline-flex;border:1px solid #2A3A55;border-radius:999px;padding:3px;gap:2px}
.seg-dark button{font-size:13px;font-weight:700;padding:7px 14px;border:0;border-radius:999px;background:transparent;color:#C7D3E0;cursor:pointer}
.seg-dark button[aria-pressed=true]{background:var(--cyan);color:#02050C}
.swatch{width:32px;height:32px;border-radius:50%;border:0;cursor:pointer}
.swatch[aria-pressed=true]{border:2px solid #fff;box-shadow:0 0 0 2px currentColor}
.notice{display:flex;gap:10px;align-items:flex-start;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.5);border:1px solid rgba(10,115,151,.45);font-size:13.5px;line-height:1.55;color:var(--ink-2)}

/* Vista previa del tutor */
.preview{border-radius:22px;overflow:hidden}
.preview-label{padding:12px 20px;display:flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;letter-spacing:.14em;color:var(--teal);border-bottom:1px solid rgba(11,20,36,.08)}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px rgba(34,199,238,.25),0 0 12px rgba(34,199,238,.8)}
.preview-head{padding:16px 20px;display:flex;align-items:center;gap:12px;color:#fff}
.avatar{border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;overflow:hidden;flex:0 0 auto}
.avatar img{width:100%;height:100%;object-fit:cover}
.preview-body{padding:20px;display:flex;flex-direction:column;gap:14px;min-height:300px}
.bubble-me{align-self:flex-end;max-width:84%;background:rgba(11,20,36,.07);padding:11px 15px;border-radius:14px 14px 4px 14px;font-size:15px;line-height:1.5}
.bubble-ai{max-width:94%;font-size:15px;line-height:1.65}
.tag{padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(255,255,255,.55);border:1px solid rgba(10,115,151,.4);color:var(--teal-d)}
.tag-mute{background:rgba(11,20,36,.06);border-color:transparent;color:var(--ink-3)}

/* Panel institucional */
.ck-panel{display:flex;flex-wrap:wrap;min-height:100vh}
.ck-nav{flex:1 1 230px;max-width:100%;padding:24px 18px;background:var(--navy-2);display:flex;flex-direction:column;gap:30px}
.ck-nav ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:4px;font-size:15px}
.ck-nav ul a{display:block;padding:10px 12px;border-radius:10px;color:#C7D3E0;text-decoration:none}
.ck-nav ul a[aria-current=page]{background:#16233A;color:#fff;font-weight:700;box-shadow:inset 2px 0 0 var(--cyan)}
.ck-nav ul a:hover{color:#fff}
.ck-pmain{flex:999 1 560px;min-width:0;padding:32px clamp(16px,4vw,40px) 56px}
.kpis{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}
.kpi{flex:1 1 200px;min-width:0;border-radius:16px;padding:20px}
.kpi .q{font-size:14px;color:var(--ink-3)}
.kpi .v{margin-top:8px;font-family:'Sora',system-ui,sans-serif;font-weight:600;font-size:38px;line-height:1}
.kpi .s{margin-top:6px;font-size:13px;color:var(--ink-4)}
.bar{height:8px;border-radius:999px;background:#1A2740;overflow:hidden;position:relative}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,#7CD9FF,#22C7EE 60%,#4FACFE)}
.trow{display:flex;flex-wrap:wrap;align-items:center;gap:16px;border-radius:16px;padding:16px 20px}
.status{font-size:13px;font-weight:700;color:var(--teal)}
.status.paused,.status.draft{color:var(--ink-4)}
.h2{margin:40px 0 14px;font-family:'Sora',system-ui,sans-serif;font-size:19px;font-weight:600}

/* Código */
pre.code{margin:0;padding:16px;background:var(--ink);color:#C7D3E0;border-radius:12px;font-family:'JetBrains Mono',ui-monospace,monospace;font-size:13px;line-height:1.7;white-space:pre-wrap;word-break:break-all}
[role=tab]{font-size:15px;font-weight:700;padding:16px 0 14px;border:0;border-bottom:2px solid transparent;background:none;color:#5B6676;cursor:pointer}
[role=tab][aria-selected=true]{color:var(--ink);border-bottom-color:var(--cyan)}

/* Cuenta */
.ck-auth{font-family:'Plus Jakarta Sans',system-ui,sans-serif;display:flex;flex-wrap:wrap;min-height:100vh}
.ck-auth aside{position:relative;isolation:isolate;overflow:hidden;flex:1 1 420px;min-width:0;background:var(--navy);color:#F2F6FA;padding:40px 48px;display:flex;flex-direction:column;justify-content:space-between;gap:48px}
.ck-auth aside .scene{position:absolute;z-index:-1;inset:0;width:100%;height:100%;object-fit:cover;object-position:66% 60%;opacity:.7}
.ck-auth aside .veil{position:absolute;z-index:-1;inset:0;background:linear-gradient(180deg,rgba(4,10,20,.55) 0%,rgba(4,10,20,.82) 55%,rgba(4,10,20,.92) 100%)}
.ck-auth main{flex:999 1 520px;min-width:0;padding:64px clamp(20px,5vw,48px) 80px;display:flex;justify-content:center}
.ck-auth .eyeb{margin:0 0 18px;display:flex;align-items:center;gap:14px;font-size:12px;font-weight:600;letter-spacing:.24em;color:var(--cyan-l)}
.ck-auth .eyeb::before{content:'';width:32px;height:1px;background:var(--gold)}

/* Chat del estudiante */
.ck-chat{height:100vh;height:100dvh;display:flex;flex-direction:column;background:#fff;color:var(--ink)}
.ck-chat header{flex:0 0 auto;padding:14px 16px;display:flex;align-items:center;gap:12px;color:#fff}
.ck-chat main{flex:1 1 auto;overflow-y:auto;padding:18px 16px;display:flex;flex-direction:column;gap:12px;background:#F7F9FB}
.msg-ai{max-width:92%;background:#fff;border:1px solid #DCE3EA;padding:12px 14px;border-radius:16px 16px 16px 4px;font-size:15px;line-height:1.6;overflow-wrap:anywhere}
.msg-ai p{margin:0 0 8px}.msg-ai p:last-child{margin:0}
.msg-ai ol,.msg-ai ul{margin:0 0 8px;padding-left:20px}
.msg-ai code{background:#EEF3F8;padding:1px 5px;border-radius:5px;font-size:.92em}
.msg-me{align-self:flex-end;max-width:84%;color:#fff;padding:11px 14px;border-radius:16px 16px 4px 16px;font-size:15px;line-height:1.5;overflow-wrap:anywhere;white-space:pre-wrap}
.src{display:flex;flex-wrap:wrap;gap:6px;padding-top:8px;margin-top:8px;border-top:1px solid #EAF0F5;font-size:11.5px;font-weight:600}
.src span{padding:3px 9px;border-radius:999px;background:#EAF0F5;color:#475569}
.fb{display:flex;gap:8px}
.fb button{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:7px 10px;border:1px solid #DCE3EA;border-radius:10px;background:#fff;color:#475569;cursor:pointer}
.fb button[aria-pressed=true]{border-color:#0A7397;color:#0A7397;background:#E8F7FC}
.sugg{display:flex;flex-wrap:wrap;gap:8px}
.sugg button{font-size:14px;font-weight:600;padding:9px 12px;border:1px solid #C3CDD8;border-radius:999px;background:#fff;color:var(--ink);cursor:pointer}
.ck-chat footer{flex:0 0 auto;padding:12px 14px;border-top:1px solid #DCE3EA;background:#fff}
.typing{display:inline-flex;gap:4px}.typing i{width:6px;height:6px;border-radius:50%;background:#9FB3C8;animation:ck-b 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes ck-b{0%,80%,100%{opacity:.3}40%{opacity:1}}
@media (prefers-reduced-motion:reduce){.typing i{animation:none}}

@media (max-width:760px){
  .ck-aside{position:static}
  .ck-steps{gap:12px;font-size:13px}
  .ck-saved{display:none}
}

/* Controles nativos con estilo de diseño (funcionan sin JavaScript) */
.chip:has(input:checked){background:var(--ink);color:#fff;border-color:var(--ink);box-shadow:0 0 0 3px rgba(34,199,238,.22),0 8px 18px rgba(11,20,36,.18)}
.chip:has(input:focus-visible),.pick:has(input:focus-visible),.seg label:has(input:focus-visible),.swatch:has(input:focus-visible),.mode:has(input:focus-visible){outline:2px solid var(--cyan);outline-offset:2px}
.pick:has(input:checked){background:rgba(255,255,255,.74);box-shadow:0 0 0 1.5px var(--teal),0 0 0 5px rgba(34,199,238,.18),0 14px 32px rgba(11,20,36,.12)}
.seg label{display:inline-flex}
.seg label span{font-size:14px;font-weight:600;padding:9px 16px;border-radius:999px;color:var(--ink-2);cursor:pointer}
.seg label:has(input:checked) span{font-weight:700;background:var(--ink);color:#fff;box-shadow:0 6px 16px rgba(11,20,36,.22)}
label.swatch{display:inline-block}
label.swatch:has(input:checked){border:2px solid #fff;box-shadow:0 0 0 2px currentColor}
.swatch-ill{cursor:pointer;border-radius:50%;padding:2px;display:inline-flex}
.swatch-ill:has(input:checked){box-shadow:0 0 0 2px var(--teal)}
.mode{display:flex;gap:12px;padding:18px;border:1px solid rgba(11,20,36,.1);border-radius:14px;background:rgba(255,255,255,.55);cursor:pointer}
.mode:has(input:checked){background:rgba(255,255,255,.62);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 0 0 2px var(--teal)}
#illus:not([hidden]){display:flex}
@media (max-width:760px){
  .ck-nav{flex-basis:100%;padding:14px 16px;gap:14px}
  .ck-nav ul{flex-direction:row;overflow-x:auto;white-space:nowrap}
  .ck-nav ul a[aria-current=page]{box-shadow:inset 0 -2px 0 var(--cyan)}
}