"use client"

import { TutorChat } from "@/components/AI/TutorChat"
import { BrainCircuit, Sparkles, MessageSquare, Lightbulb } from "lucide-react"
import { Card, CardContent } from "@/components/ui/card"

const CAPABILITIES = [
  { icon: <Lightbulb size={16} className="text-yellow-400" />, label: "Concept Explanations", desc: "Step-by-step breakdown of Physics, Chemistry, Maths & Biology topics" },
  { icon: <Sparkles size={16} className="text-[var(--cyan-ai)]" />, label: "Problem Solving", desc: "Full worked solutions with formulas, derivations and shortcuts" },
  { icon: <MessageSquare size={16} className="text-green-400" />, label: "Doubt Clearing", desc: "Ask follow-up questions — the AI remembers context within the session" },
]

export default function TutorChatPage() {
  return (
    <div className="p-6 md:p-8 space-y-6 animate-in fade-in zoom-in-95 origin-top duration-500 max-w-7xl mx-auto min-h-screen">
      {/* Page Header */}
      <div className="border-b border-border/50 pb-6">
        <div className="flex items-start justify-between gap-4 flex-wrap">
          <div>
            <h1 className="text-3xl md:text-4xl font-black tracking-tight flex items-center gap-3 mb-2">
              <span className="p-2.5 rounded-xl bg-cyan-50 dark:bg-[var(--cyan-ai-10)] border border-cyan-300/60 dark:border-[var(--cyan-ai-20)]">
                <BrainCircuit className="text-cyan-700 dark:text-[var(--cyan-ai)]" size={28} />
              </span>
              AI Tutor — 24/7 Doubt Solver
            </h1>
            <p className="text-muted-foreground text-base font-medium max-w-2xl pl-1">
              Ask any JEE or NEET concept, get step-by-step explanations, formula derivations, and solved examples — instantly.
            </p>
          </div>
        </div>
      </div>

      {/* Capabilities Strip */}
      <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
        {CAPABILITIES.map(c => (
          <Card key={c.label} className="border-border/50 bg-secondary/10 rounded-2xl">
            <CardContent className="p-4 flex items-start gap-3">
              <div className="mt-0.5 shrink-0">{c.icon}</div>
              <div>
                <div className="text-sm font-black">{c.label}</div>
                <div className="text-xs text-muted-foreground font-medium mt-0.5">{c.desc}</div>
              </div>
            </CardContent>
          </Card>
        ))}
      </div>

      {/* Chat — full height */}
      <div className="flex-1 rounded-3xl overflow-hidden border border-border/50 shadow-xl bg-background" style={{ minHeight: "560px" }}>
        <TutorChat />
      </div>
    </div>
  )
}