Model Selector

LLM model picker dropdown with provider logos, context window size, capability tags, and active model indicator.

vanilla-js css react tailwind vue svelte

目标: TS JS HTML React Vue Svelte

代码

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f9fafb;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}

.demo {
  position: relative;
  width: 100%;
  max-width: 360px;
}

.ms-trigger-area {
  display: flex;
  justify-content: center;
}

.ms-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1.5px solid #e5e7eb;
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 14px;
  font-weight: 600;
  color: #374151;
  cursor: pointer;
  transition: border-color 0.15s;
}
.ms-trigger:hover {
  border-color: #d1d5db;
}
.ms-trigger.open {
  border-color: #6366f1;
}

.ms-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ms-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 320px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  z-index: 20;
  overflow: hidden;
  padding: 6px;
  animation: ms-in 0.15s ease;
}
@keyframes ms-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.ms-section-label {
  font-size: 10px;
  font-weight: 700;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 6px 10px 3px;
}

.ms-divider {
  height: 1px;
  background: #f3f4f6;
  margin: 4px 0;
}

.ms-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s;
}
.ms-option:hover {
  background: #f9fafb;
}
.ms-option--selected {
  background: #f5f3ff;
}

.ms-check {
  width: 14px;
  font-size: 12px;
  color: #6366f1;
  flex-shrink: 0;
}

.ms-info {
  flex: 1;
  min-width: 0;
}
.ms-name {
  font-size: 13px;
  font-weight: 700;
  color: #111827;
  display: block;
}

.ms-caps {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 3px;
}
.cap {
  font-size: 10px;
  font-weight: 600;
  background: #f3f4f6;
  color: #6b7280;
  padding: 1px 6px;
  border-radius: 4px;
}
.cap--new {
  background: #eef2ff;
  color: #6366f1;
}

.ms-ctx {
  font-size: 11px;
  color: #9ca3af;
  flex-shrink: 0;
}

.ms-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10;
}

const trigger = document.getElementById("msTrigger");
const dropdown = document.getElementById("msDropdown");
const backdrop = document.getElementById("msBackdrop");
const selectedLabel = document.getElementById("msSelected");

function open() {
  dropdown.hidden = false;
  backdrop.hidden = false;
  trigger.classList.add("open");
}
function close() {
  dropdown.hidden = true;
  backdrop.hidden = true;
  trigger.classList.remove("open");
}

trigger.addEventListener("click", () => (dropdown.hidden ? open() : close()));
backdrop.addEventListener("click", close);

dropdown.querySelectorAll(".ms-option").forEach((opt) => {
  opt.addEventListener("click", () => {
    // Update selection
    dropdown.querySelectorAll(".ms-option").forEach((o) => {
      o.classList.remove("ms-option--selected");
      o.querySelector(".ms-check").textContent = "";
    });
    opt.classList.add("ms-option--selected");
    opt.querySelector(".ms-check").textContent = "✓";

    // Update trigger
    const color = opt.dataset.color;
    const name = opt.dataset.name;
    selectedLabel.textContent = name;
    trigger.querySelector(".ms-dot").style.background = color;
    close();
  });
});

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Model Selector</title>
  <link rel="stylesheet" href="style.css" />
</head>
<body>
<div class="demo">
  <div class="ms-trigger-area">
    <button class="ms-trigger" id="msTrigger">
      <span class="ms-dot" style="background:#a78bfa;"></span>
      <span id="msSelected">Claude Sonnet</span>
      <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5"><polyline points="6 9 12 15 18 9"/></svg>
    </button>
  </div>

  <div class="ms-dropdown" id="msDropdown" hidden>
    <div class="ms-section-label">Anthropic</div>
    <button class="ms-option ms-option--selected" data-name="Claude Sonnet" data-ctx="200K" data-color="#a78bfa" data-caps="vision,code,reasoning">
      <span class="ms-check">✓</span>
      <span class="ms-dot" style="background:#a78bfa;"></span>
      <div class="ms-info">
        <span class="ms-name">Claude Sonnet</span>
        <div class="ms-caps"><span class="cap">Vision</span><span class="cap">Code</span><span class="cap">Reasoning</span></div>
      </div>
      <span class="ms-ctx">200K</span>
    </button>
    <button class="ms-option" data-name="Claude Haiku" data-ctx="200K" data-color="#93c5fd" data-caps="fast,vision">
      <span class="ms-check"></span>
      <span class="ms-dot" style="background:#93c5fd;"></span>
      <div class="ms-info">
        <span class="ms-name">Claude Haiku</span>
        <div class="ms-caps"><span class="cap">Fast</span><span class="cap">Vision</span></div>
      </div>
      <span class="ms-ctx">200K</span>
    </button>
    <button class="ms-option" data-name="Claude Opus" data-ctx="200K" data-color="#c084fc" data-caps="vision,code,reasoning,analysis">
      <span class="ms-check"></span>
      <span class="ms-dot" style="background:#c084fc;"></span>
      <div class="ms-info">
        <span class="ms-name">Claude Opus</span>
        <div class="ms-caps"><span class="cap">Vision</span><span class="cap">Code</span><span class="cap">Reasoning</span><span class="cap cap--new">Strongest</span></div>
      </div>
      <span class="ms-ctx">200K</span>
    </button>

    <div class="ms-divider"></div>
    <div class="ms-section-label">OpenAI</div>
    <button class="ms-option" data-name="GPT-4o" data-ctx="128K" data-color="#4ade80" data-caps="vision,code">
      <span class="ms-check"></span>
      <span class="ms-dot" style="background:#4ade80;"></span>
      <div class="ms-info">
        <span class="ms-name">GPT-4o</span>
        <div class="ms-caps"><span class="cap">Vision</span><span class="cap">Code</span></div>
      </div>
      <span class="ms-ctx">128K</span>
    </button>
    <button class="ms-option" data-name="o3-mini" data-ctx="200K" data-color="#86efac" data-caps="reasoning">
      <span class="ms-check"></span>
      <span class="ms-dot" style="background:#86efac;"></span>
      <div class="ms-info">
        <span class="ms-name">o3-mini</span>
        <div class="ms-caps"><span class="cap">Reasoning</span></div>
      </div>
      <span class="ms-ctx">200K</span>
    </button>

    <div class="ms-divider"></div>
    <div class="ms-section-label">Google</div>
    <button class="ms-option" data-name="Gemini 2.0 Flash" data-ctx="1M" data-color="#fbbf24" data-caps="vision,fast">
      <span class="ms-check"></span>
      <span class="ms-dot" style="background:#fbbf24;"></span>
      <div class="ms-info">
        <span class="ms-name">Gemini 2.0 Flash</span>
        <div class="ms-caps"><span class="cap">Vision</span><span class="cap">Fast</span><span class="cap cap--new">1M ctx</span></div>
      </div>
      <span class="ms-ctx">1M</span>
    </button>
  </div>

  <div class="ms-backdrop" id="msBackdrop" hidden></div>
</div>
<script src="script.js"></script>
</body>
</html>

import { useState } from "react";

interface Model {
  id: string;
  name: string;
  provider: string;
  color: string;
  context: string;
  caps: string[];
  badge?: string;
}

const MODELS: Model[] = [
  {
    id: "claude-opus-4",
    name: "Claude Opus 4",
    provider: "Anthropic",
    color: "#e89537",
    context: "200K",
    caps: ["vision", "code", "reasoning"],
    badge: "Most capable",
  },
  {
    id: "claude-sonnet-4",
    name: "Claude Sonnet 4",
    provider: "Anthropic",
    color: "#e89537",
    context: "200K",
    caps: ["vision", "code", "fast"],
  },
  {
    id: "claude-haiku-4",
    name: "Claude Haiku 4",
    provider: "Anthropic",
    color: "#e89537",
    context: "200K",
    caps: ["fast", "cheap"],
    badge: "Fastest",
  },
  {
    id: "gpt-4o",
    name: "GPT-4o",
    provider: "OpenAI",
    color: "#10a37f",
    context: "128K",
    caps: ["vision", "code", "audio"],
  },
  {
    id: "gpt-4o-mini",
    name: "GPT-4o mini",
    provider: "OpenAI",
    color: "#10a37f",
    context: "128K",
    caps: ["fast", "cheap"],
  },
  {
    id: "gemini-2.0-flash",
    name: "Gemini 2.0 Flash",
    provider: "Google",
    color: "#4285f4",
    context: "1M",
    caps: ["vision", "code", "fast"],
    badge: "Largest context",
  },
  {
    id: "gemini-2.0-pro",
    name: "Gemini 2.0 Pro",
    provider: "Google",
    color: "#4285f4",
    context: "1M",
    caps: ["vision", "code", "reasoning"],
  },
];

const CAP_COLORS: Record<string, string> = {
  vision: "bg-purple-500/10 text-purple-400 border-purple-500/20",
  code: "bg-[#58a6ff]/10 text-[#58a6ff] border-[#58a6ff]/20",
  reasoning: "bg-amber-500/10 text-amber-400 border-amber-500/20",
  audio: "bg-pink-500/10 text-pink-400 border-pink-500/20",
  fast: "bg-green-500/10 text-green-400 border-green-500/20",
  cheap: "bg-teal-500/10 text-teal-400 border-teal-500/20",
};

export default function ModelSelectorRC() {
  const [selected, setSelected] = useState("claude-sonnet-4");
  const [open, setOpen] = useState(false);
  const [search, setSearch] = useState("");

  const current = MODELS.find((m) => m.id === selected)!;

  const providers = [...new Set(MODELS.map((m) => m.provider))];
  const q = search.toLowerCase();
  const filtered = MODELS.filter(
    (m) =>
      m.name.toLowerCase().includes(q) ||
      m.provider.toLowerCase().includes(q) ||
      m.caps.some((c) => c.includes(q))
  );

  return (
    <div className="min-h-screen bg-[#0d1117] p-6 flex justify-center items-start">
      <div className="w-full max-w-[480px] space-y-4">
        <p className="text-[13px] text-[#8b949e]">Select model</p>

        {/* Trigger */}
        <div className="relative">
          <button
            onClick={() => setOpen((v) => !v)}
            className={`w-full flex items-center gap-3 px-4 py-3 bg-[#161b22] border rounded-xl transition-colors text-left ${
              open ? "border-[#58a6ff]" : "border-[#30363d] hover:border-[#8b949e]"
            }`}
          >
            <span
              className="w-8 h-8 rounded-lg flex items-center justify-center flex-shrink-0 font-bold text-[11px]"
              style={{ background: current.color + "22", color: current.color }}
            >
              {current.provider[0]}
            </span>
            <div className="flex-1 min-w-0">
              <p className="text-[13px] font-semibold text-[#e6edf3]">{current.name}</p>
              <p className="text-[11px] text-[#8b949e]">
                {current.provider} · {current.context} context
              </p>
            </div>
            <div className="flex flex-wrap gap-1 justify-end max-w-[140px]">
              {current.caps.slice(0, 2).map((c) => (
                <span
                  key={c}
                  className={`text-[9px] px-1.5 py-0.5 rounded-full border font-semibold uppercase tracking-wide ${CAP_COLORS[c]}`}
                >
                  {c}
                </span>
              ))}
            </div>
            <svg
              width="14"
              height="14"
              viewBox="0 0 24 24"
              fill="none"
              stroke="currentColor"
              strokeWidth="2"
              className={`text-[#8b949e] flex-shrink-0 transition-transform ${open ? "rotate-180" : ""}`}
            >
              <polyline points="6 9 12 15 18 9" />
            </svg>
          </button>

          {/* Dropdown */}
          {open && (
            <div className="absolute top-full mt-1 left-0 right-0 bg-[#21262d] border border-[#30363d] rounded-xl overflow-hidden shadow-2xl z-20">
              {/* Search */}
              <div className="p-2 border-b border-[#30363d]">
                <input
                  type="text"
                  placeholder="Search models…"
                  value={search}
                  onChange={(e) => setSearch(e.target.value)}
                  autoFocus
                  className="w-full bg-[#161b22] border border-[#30363d] rounded-lg px-3 py-1.5 text-[12px] text-[#e6edf3] placeholder-[#484f58] outline-none focus:border-[#58a6ff] transition-colors"
                />
              </div>

              {/* List */}
              <div className="max-h-[360px] overflow-y-auto">
                {providers.map((prov) => {
                  const group = filtered.filter((m) => m.provider === prov);
                  if (!group.length) return null;
                  return (
                    <div key={prov}>
                      <div className="px-3 py-1.5 text-[10px] font-bold text-[#484f58] uppercase tracking-wider">
                        {prov}
                      </div>
                      {group.map((m) => (
                        <button
                          key={m.id}
                          onClick={() => {
                            setSelected(m.id);
                            setOpen(false);
                            setSearch("");
                          }}
                          className={`w-full flex items-center gap-3 px-3 py-2.5 transition-colors text-left hover:bg-white/[0.04] ${
                            m.id === selected ? "bg-[#58a6ff]/[0.08]" : ""
                          }`}
                        >
                          <span
                            className="w-7 h-7 rounded-lg flex items-center justify-center flex-shrink-0 font-bold text-[10px]"
                            style={{ background: m.color + "22", color: m.color }}
                          >
                            {m.provider[0]}
                          </span>
                          <div className="flex-1 min-w-0">
                            <div className="flex items-center gap-2">
                              <span
                                className={`text-[12px] font-semibold ${m.id === selected ? "text-[#58a6ff]" : "text-[#e6edf3]"}`}
                              >
                                {m.name}
                              </span>
                              {m.badge && (
                                <span className="text-[9px] px-1.5 py-0.5 bg-[#58a6ff]/10 text-[#58a6ff] border border-[#58a6ff]/20 rounded-full font-semibold">
                                  {m.badge}
                                </span>
                              )}
                            </div>
                            <div className="flex items-center gap-1.5 mt-0.5">
                              <span className="text-[10px] text-[#484f58]">{m.context} ctx</span>
                              {m.caps.map((c) => (
                                <span
                                  key={c}
                                  className={`text-[9px] px-1 py-px rounded border font-semibold ${CAP_COLORS[c]}`}
                                >
                                  {c}
                                </span>
                              ))}
                            </div>
                          </div>
                          {m.id === selected && (
                            <svg
                              width="14"
                              height="14"
                              viewBox="0 0 24 24"
                              fill="none"
                              stroke="#58a6ff"
                              strokeWidth="2.5"
                            >
                              <polyline points="20 6 9 17 4 12" />
                            </svg>
                          )}
                        </button>
                      ))}
                    </div>
                  );
                })}
                {filtered.length === 0 && (
                  <div className="px-3 py-6 text-center text-[12px] text-[#484f58]">
                    No models found
                  </div>
                )}
              </div>
            </div>
          )}
        </div>

        {/* Selected info */}
        {!open && (
          <div className="bg-[#161b22] border border-[#30363d] rounded-xl p-4 space-y-2">
            <p className="text-[11px] font-bold text-[#8b949e] uppercase tracking-wider">
              Selected model details
            </p>
            <div className="grid grid-cols-2 gap-3 text-[12px]">
              <div>
                <p className="text-[#484f58]">Provider</p>
                <p className="text-[#e6edf3] font-semibold">{current.provider}</p>
              </div>
              <div>
                <p className="text-[#484f58]">Context window</p>
                <p className="text-[#e6edf3] font-semibold">{current.context} tokens</p>
              </div>
            </div>
            <div>
              <p className="text-[11px] text-[#484f58] mb-1.5">Capabilities</p>
              <div className="flex flex-wrap gap-1.5">
                {current.caps.map((c) => (
                  <span
                    key={c}
                    className={`text-[10px] px-2 py-0.5 rounded-full border font-semibold ${CAP_COLORS[c]}`}
                  >
                    {c}
                  </span>
                ))}
              </div>
            </div>
          </div>
        )}
      </div>
    </div>
  );
}

<script setup>
import { ref, computed } from "vue";

const selected = ref("claude-sonnet-4");
const open = ref(false);
const search = ref("");

const MODELS = [
  {
    id: "claude-opus-4",
    name: "Claude Opus 4",
    provider: "Anthropic",
    color: "#e89537",
    context: "200K",
    caps: ["vision", "code", "reasoning"],
    badge: "Most capable",
  },
  {
    id: "claude-sonnet-4",
    name: "Claude Sonnet 4",
    provider: "Anthropic",
    color: "#e89537",
    context: "200K",
    caps: ["vision", "code", "fast"],
  },
  {
    id: "claude-haiku-4",
    name: "Claude Haiku 4",
    provider: "Anthropic",
    color: "#e89537",
    context: "200K",
    caps: ["fast", "cheap"],
    badge: "Fastest",
  },
  {
    id: "gpt-4o",
    name: "GPT-4o",
    provider: "OpenAI",
    color: "#10a37f",
    context: "128K",
    caps: ["vision", "code", "audio"],
  },
  {
    id: "gpt-4o-mini",
    name: "GPT-4o mini",
    provider: "OpenAI",
    color: "#10a37f",
    context: "128K",
    caps: ["fast", "cheap"],
  },
  {
    id: "gemini-2.0-flash",
    name: "Gemini 2.0 Flash",
    provider: "Google",
    color: "#4285f4",
    context: "1M",
    caps: ["vision", "code", "fast"],
    badge: "Largest context",
  },
  {
    id: "gemini-2.0-pro",
    name: "Gemini 2.0 Pro",
    provider: "Google",
    color: "#4285f4",
    context: "1M",
    caps: ["vision", "code", "reasoning"],
  },
];

const CAP_COLORS = {
  vision: "bg-purple-500/10 text-purple-400 border-purple-500/20",
  code: "bg-[#58a6ff]/10 text-[#58a6ff] border-[#58a6ff]/20",
  reasoning: "bg-amber-500/10 text-amber-400 border-amber-500/20",
  audio: "bg-pink-500/10 text-pink-400 border-pink-500/20",
  fast: "bg-green-500/10 text-green-400 border-green-500/20",
  cheap: "bg-teal-500/10 text-teal-400 border-teal-500/20",
};

const current = computed(() => MODELS.find((m) => m.id === selected.value));
const providers = computed(() => [...new Set(MODELS.map((m) => m.provider))]);
const q = computed(() => search.value.toLowerCase());
const filtered = computed(() =>
  MODELS.filter(
    (m) =>
      m.name.toLowerCase().includes(q.value) ||
      m.provider.toLowerCase().includes(q.value) ||
      m.caps.some((c) => c.includes(q.value))
  )
);

function groupByProvider(prov) {
  return filtered.value.filter((m) => m.provider === prov);
}

function selectModel(id) {
  selected.value = id;
  open.value = false;
  search.value = "";
}
</script>

<template>
  <div class="min-h-screen bg-[#0d1117] p-6 flex justify-center items-start">
    <div class="w-full max-w-[480px] space-y-4">
      <p class="text-[13px] text-[#8b949e]">Select model</p>

      <!-- Trigger -->
      <div class="relative">
        <button
          @click="open = !open"
          :class="[
            'w-full flex items-center gap-3 px-4 py-3 bg-[#161b22] border rounded-xl transition-colors text-left',
            open ? 'border-[#58a6ff]' : 'border-[#30363d] hover:border-[#8b949e]'
          ]"
        >
          <template v-if="current">
            <span
              class="w-8 h-8 rounded-lg flex items-center justify-center flex-shrink-0 font-bold text-[11px]"
              :style="{ background: current.color + '22', color: current.color }"
            >
              {{ current.provider[0] }}
            </span>
            <div class="flex-1 min-w-0">
              <p class="text-[13px] font-semibold text-[#e6edf3]">{{ current.name }}</p>
              <p class="text-[11px] text-[#8b949e]">{{ current.provider }} · {{ current.context }} context</p>
            </div>
            <div class="flex flex-wrap gap-1 justify-end max-w-[140px]">
              <span
                v-for="c in current.caps.slice(0, 2)"
                :key="c"
                :class="'text-[9px] px-1.5 py-0.5 rounded-full border font-semibold uppercase tracking-wide ' + CAP_COLORS[c]"
              >
                {{ c }}
              </span>
            </div>
          </template>
          <svg
            width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor"
            stroke-width="2" :class="['text-[#8b949e] flex-shrink-0 transition-transform', open ? 'rotate-180' : '']"
          >
            <polyline points="6 9 12 15 18 9"/>
          </svg>
        </button>

        <!-- Dropdown -->
        <div v-if="open" class="absolute top-full mt-1 left-0 right-0 bg-[#21262d] border border-[#30363d] rounded-xl overflow-hidden shadow-2xl z-20">
          <!-- Search -->
          <div class="p-2 border-b border-[#30363d]">
            <input
              type="text"
              placeholder="Search models…"
              v-model="search"
              autofocus
              class="w-full bg-[#161b22] border border-[#30363d] rounded-lg px-3 py-1.5 text-[12px] text-[#e6edf3] placeholder-[#484f58] outline-none focus:border-[#58a6ff] transition-colors"
            />
          </div>

          <!-- List -->
          <div class="max-h-[360px] overflow-y-auto">
            <template v-for="prov in providers" :key="prov">
              <div v-if="groupByProvider(prov).length > 0">
                <div class="px-3 py-1.5 text-[10px] font-bold text-[#484f58] uppercase tracking-wider">
                  {{ prov }}
                </div>
                <button
                  v-for="m in groupByProvider(prov)"
                  :key="m.id"
                  @click="selectModel(m.id)"
                  :class="[
                    'w-full flex items-center gap-3 px-3 py-2.5 transition-colors text-left hover:bg-white/[0.04]',
                    m.id === selected ? 'bg-[#58a6ff]/[0.08]' : ''
                  ]"
                >
                  <span
                    class="w-7 h-7 rounded-lg flex items-center justify-center flex-shrink-0 font-bold text-[10px]"
                    :style="{ background: m.color + '22', color: m.color }"
                  >
                    {{ m.provider[0] }}
                  </span>
                  <div class="flex-1 min-w-0">
                    <div class="flex items-center gap-2">
                      <span :class="['text-[12px] font-semibold', m.id === selected ? 'text-[#58a6ff]' : 'text-[#e6edf3]']">
                        {{ m.name }}
                      </span>
                      <span v-if="m.badge" class="text-[9px] px-1.5 py-0.5 bg-[#58a6ff]/10 text-[#58a6ff] border border-[#58a6ff]/20 rounded-full font-semibold">
                        {{ m.badge }}
                      </span>
                    </div>
                    <div class="flex items-center gap-1.5 mt-0.5">
                      <span class="text-[10px] text-[#484f58]">{{ m.context }} ctx</span>
                      <span
                        v-for="c in m.caps"
                        :key="c"
                        :class="'text-[9px] px-1 py-px rounded border font-semibold ' + CAP_COLORS[c]"
                      >
                        {{ c }}
                      </span>
                    </div>
                  </div>
                  <svg v-if="m.id === selected" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="#58a6ff" stroke-width="2.5">
                    <polyline points="20 6 9 17 4 12"/>
                  </svg>
                </button>
              </div>
            </template>
            <div v-if="filtered.length === 0" class="px-3 py-6 text-center text-[12px] text-[#484f58]">No models found</div>
          </div>
        </div>
      </div>

      <!-- Selected info -->
      <div v-if="!open && current" class="bg-[#161b22] border border-[#30363d] rounded-xl p-4 space-y-2">
        <p class="text-[11px] font-bold text-[#8b949e] uppercase tracking-wider">Selected model details</p>
        <div class="grid grid-cols-2 gap-3 text-[12px]">
          <div>
            <p class="text-[#484f58]">Provider</p>
            <p class="text-[#e6edf3] font-semibold">{{ current.provider }}</p>
          </div>
          <div>
            <p class="text-[#484f58]">Context window</p>
            <p class="text-[#e6edf3] font-semibold">{{ current.context }} tokens</p>
          </div>
        </div>
        <div>
          <p class="text-[11px] text-[#484f58] mb-1.5">Capabilities</p>
          <div class="flex flex-wrap gap-1.5">
            <span
              v-for="c in current.caps"
              :key="c"
              :class="'text-[10px] px-2 py-0.5 rounded-full border font-semibold ' + CAP_COLORS[c]"
            >
              {{ c }}
            </span>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
let selected = "claude-sonnet-4";
let open = false;
let search = "";

const MODELS = [
  {
    id: "claude-opus-4",
    name: "Claude Opus 4",
    provider: "Anthropic",
    color: "#e89537",
    context: "200K",
    caps: ["vision", "code", "reasoning"],
    badge: "Most capable",
  },
  {
    id: "claude-sonnet-4",
    name: "Claude Sonnet 4",
    provider: "Anthropic",
    color: "#e89537",
    context: "200K",
    caps: ["vision", "code", "fast"],
  },
  {
    id: "claude-haiku-4",
    name: "Claude Haiku 4",
    provider: "Anthropic",
    color: "#e89537",
    context: "200K",
    caps: ["fast", "cheap"],
    badge: "Fastest",
  },
  {
    id: "gpt-4o",
    name: "GPT-4o",
    provider: "OpenAI",
    color: "#10a37f",
    context: "128K",
    caps: ["vision", "code", "audio"],
  },
  {
    id: "gpt-4o-mini",
    name: "GPT-4o mini",
    provider: "OpenAI",
    color: "#10a37f",
    context: "128K",
    caps: ["fast", "cheap"],
  },
  {
    id: "gemini-2.0-flash",
    name: "Gemini 2.0 Flash",
    provider: "Google",
    color: "#4285f4",
    context: "1M",
    caps: ["vision", "code", "fast"],
    badge: "Largest context",
  },
  {
    id: "gemini-2.0-pro",
    name: "Gemini 2.0 Pro",
    provider: "Google",
    color: "#4285f4",
    context: "1M",
    caps: ["vision", "code", "reasoning"],
  },
];

const CAP_COLORS = {
  vision: "bg-purple-500/10 text-purple-400 border-purple-500/20",
  code: "bg-[#58a6ff]/10 text-[#58a6ff] border-[#58a6ff]/20",
  reasoning: "bg-amber-500/10 text-amber-400 border-amber-500/20",
  audio: "bg-pink-500/10 text-pink-400 border-pink-500/20",
  fast: "bg-green-500/10 text-green-400 border-green-500/20",
  cheap: "bg-teal-500/10 text-teal-400 border-teal-500/20",
};

$: current = MODELS.find((m) => m.id === selected);
$: providers = [...new Set(MODELS.map((m) => m.provider))];
$: q = search.toLowerCase();
$: filtered = MODELS.filter(
  (m) =>
    m.name.toLowerCase().includes(q) ||
    m.provider.toLowerCase().includes(q) ||
    m.caps.some((c) => c.includes(q))
);

function selectModel(id) {
  selected = id;
  open = false;
  search = "";
}

function groupByProvider(prov) {
  return filtered.filter((m) => m.provider === prov);
}
</script>

<div class="min-h-screen bg-[#0d1117] p-6 flex justify-center items-start">
  <div class="w-full max-w-[480px] space-y-4">
    <p class="text-[13px] text-[#8b949e]">Select model</p>

    <!-- Trigger -->
    <div class="relative">
      <button
        on:click={() => (open = !open)}
        class="w-full flex items-center gap-3 px-4 py-3 bg-[#161b22] border rounded-xl transition-colors text-left {open ? 'border-[#58a6ff]' : 'border-[#30363d] hover:border-[#8b949e]'}"
      >
        {#if current}
          <span
            class="w-8 h-8 rounded-lg flex items-center justify-center flex-shrink-0 font-bold text-[11px]"
            style="background: {current.color}22; color: {current.color}"
          >
            {current.provider[0]}
          </span>
          <div class="flex-1 min-w-0">
            <p class="text-[13px] font-semibold text-[#e6edf3]">{current.name}</p>
            <p class="text-[11px] text-[#8b949e]">{current.provider} · {current.context} context</p>
          </div>
          <div class="flex flex-wrap gap-1 justify-end max-w-[140px]">
            {#each current.caps.slice(0, 2) as c}
              <span class="text-[9px] px-1.5 py-0.5 rounded-full border font-semibold uppercase tracking-wide {CAP_COLORS[c]}">
                {c}
              </span>
            {/each}
          </div>
        {/if}
        <svg
          width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor"
          stroke-width="2" class="text-[#8b949e] flex-shrink-0 transition-transform {open ? 'rotate-180' : ''}"
        >
          <polyline points="6 9 12 15 18 9"/>
        </svg>
      </button>

      <!-- Dropdown -->
      {#if open}
        <div class="absolute top-full mt-1 left-0 right-0 bg-[#21262d] border border-[#30363d] rounded-xl overflow-hidden shadow-2xl z-20">
          <!-- Search -->
          <div class="p-2 border-b border-[#30363d]">
            <!-- svelte-ignore a11y-autofocus -->
            <input
              type="text"
              placeholder="Search models…"
              bind:value={search}
              autofocus
              class="w-full bg-[#161b22] border border-[#30363d] rounded-lg px-3 py-1.5 text-[12px] text-[#e6edf3] placeholder-[#484f58] outline-none focus:border-[#58a6ff] transition-colors"
            />
          </div>

          <!-- List -->
          <div class="max-h-[360px] overflow-y-auto">
            {#each providers as prov}
              {#if groupByProvider(prov).length > 0}
                <div>
                  <div class="px-3 py-1.5 text-[10px] font-bold text-[#484f58] uppercase tracking-wider">
                    {prov}
                  </div>
                  {#each groupByProvider(prov) as m}
                    <button
                      on:click={() => selectModel(m.id)}
                      class="w-full flex items-center gap-3 px-3 py-2.5 transition-colors text-left hover:bg-white/[0.04] {m.id === selected ? 'bg-[#58a6ff]/[0.08]' : ''}"
                    >
                      <span
                        class="w-7 h-7 rounded-lg flex items-center justify-center flex-shrink-0 font-bold text-[10px]"
                        style="background: {m.color}22; color: {m.color}"
                      >
                        {m.provider[0]}
                      </span>
                      <div class="flex-1 min-w-0">
                        <div class="flex items-center gap-2">
                          <span class="text-[12px] font-semibold {m.id === selected ? 'text-[#58a6ff]' : 'text-[#e6edf3]'}">
                            {m.name}
                          </span>
                          {#if m.badge}
                            <span class="text-[9px] px-1.5 py-0.5 bg-[#58a6ff]/10 text-[#58a6ff] border border-[#58a6ff]/20 rounded-full font-semibold">
                              {m.badge}
                            </span>
                          {/if}
                        </div>
                        <div class="flex items-center gap-1.5 mt-0.5">
                          <span class="text-[10px] text-[#484f58]">{m.context} ctx</span>
                          {#each m.caps as c}
                            <span class="text-[9px] px-1 py-px rounded border font-semibold {CAP_COLORS[c]}">
                              {c}
                            </span>
                          {/each}
                        </div>
                      </div>
                      {#if m.id === selected}
                        <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="#58a6ff" stroke-width="2.5">
                          <polyline points="20 6 9 17 4 12"/>
                        </svg>
                      {/if}
                    </button>
                  {/each}
                </div>
              {/if}
            {/each}
            {#if filtered.length === 0}
              <div class="px-3 py-6 text-center text-[12px] text-[#484f58]">No models found</div>
            {/if}
          </div>
        </div>
      {/if}
    </div>

    <!-- Selected info -->
    {#if !open && current}
      <div class="bg-[#161b22] border border-[#30363d] rounded-xl p-4 space-y-2">
        <p class="text-[11px] font-bold text-[#8b949e] uppercase tracking-wider">Selected model details</p>
        <div class="grid grid-cols-2 gap-3 text-[12px]">
          <div>
            <p class="text-[#484f58]">Provider</p>
            <p class="text-[#e6edf3] font-semibold">{current.provider}</p>
          </div>
          <div>
            <p class="text-[#484f58]">Context window</p>
            <p class="text-[#e6edf3] font-semibold">{current.context} tokens</p>
          </div>
        </div>
        <div>
          <p class="text-[11px] text-[#484f58] mb-1.5">Capabilities</p>
          <div class="flex flex-wrap gap-1.5">
            {#each current.caps as c}
              <span class="text-[10px] px-2 py-0.5 rounded-full border font-semibold {CAP_COLORS[c]}">
                {c}
              </span>
            {/each}
          </div>
        </div>
      </div>
    {/if}
  </div>
</div>

LLM model selector dropdown with model names, provider color indicators, context window size badges, capability tags (vision, code, reasoning), and a checkmark on the currently selected model.