"""Web UI for the coaching assistant."""
<style>
:root { --bg:#f8fafc; --card:#fff; --border:#e2e8f0; --muted:#64748b; --text:#0f172a; --accent:#0ea5e9; --accent-hover:#0284c7; --error:#dc2626; --success:#16a34a; }
* { box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); margin: 0; padding: 0; line-height: 1.5; }
.nav { background: var(--card); border-bottom: 1px solid var(--border); padding: 12px 24px; display: flex; justify-content: space-between; align-items: center; }
.nav h1 { font-size: 18px; margin: 0; font-weight: 600; }
.nav a { color: var(--text); text-decoration: none; margin-left: 16px; font-size: 14px; }
.nav a:hover { color: var(--accent); }
.container { max-width: 920px; margin: 0 auto; padding: 24px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 20px; margin-bottom: 16px; }
.btn { background: var(--accent); color: white; border: 0; padding: 8px 16px; border-radius: 6px; cursor: pointer; font-size: 14px; text-decoration: none; display: inline-block; }
.btn:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg); }
.btn-danger { background: var(--error); color: white; }
input[type="text"], input[type="email"], input[type="password"], textarea { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: inherit; }
textarea { min-height: 100px; resize: vertical; }
label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 4px; color: var(--muted); }
.form-row { margin-bottom: 12px; }
.error { color: var(--error); font-size: 13px; margin-top: 4px; }
.success { color: var(--success); font-size: 13px; margin-top: 4px; }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.skill-card { border: 1px solid var(--border); border-radius: 8px; padding: 16px; background: var(--card); transition: border-color 0.15s; }
.skill-card:hover { border-color: var(--accent); }
.skill-card h3 { font-size: 16px; margin: 0 0 6px 0; }
.skill-card p { font-size: 13px; color: var(--muted); margin: 0; }
.skill-card .slug { font-size: 11px; color: var(--accent); font-family: monospace; margin-top: 8px; }
.session-list { list-style: none; padding: 0; }
.session-list li { padding: 12px 0; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.session-list li:last-child { border-bottom: 0; }
.chat-box { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 16px; max-height: 500px; overflow-y: auto; }
.message { margin-bottom: 12px; padding: 8px 12px; border-radius: 6px; }
.message.user { background: var(--accent); color: white; margin-left: 40px; }
.message.assistant { background: var(--card); border: 1px solid var(--border); margin-right: 40px; }
.message .role { font-size: 11px; opacity: 0.7; margin-bottom: 2px; }
.empty { text-align: center; color: var(--muted); padding: 24px; }
</style>

<div class="container">
    <div class="card" style="max-width: 400px; margin: 60px auto;">
        <h2>Вход</h2>
        
        <form method="post" action="/login">
            <div class="form-row">
                <label>Email</label>
                <input type="email" name="email" required autofocus>
            </div>
            <div class="form-row">
                <label>Пароль</label>
                <input type="password" name="password" required>
            </div>
            <button type="submit" class="btn">Войти</button>
            <a href="/register" class="btn btn-secondary">Регистрация</a>
        </form>
    </div>
</div>