<?php
if (session_status() === PHP_SESSION_NONE) {
    ini_set('session.cookie_path', '/');
    session_start();
}

// ── Auth check ────────────────────────────────────────────────────────────
$user_email = $_SESSION['user_email'] ?? null;
$user_id    = $_SESSION['user_id']    ?? null;
$ai_context = $_SESSION['ai_context'] ?? 'cr';

// Cookie fallback
if (!$user_email && isset($_COOKIE['cr_visitor'])) {
    $decoded = json_decode($_COOKIE['cr_visitor'], true);
    $user_email = (is_array($decoded) && isset($decoded['email']))
        ? $decoded['email']
        : (is_string($_COOKIE['cr_visitor']) ? $_COOKIE['cr_visitor'] : null);
    if ($user_email) $_SESSION['user_email'] = $user_email;
}

// ── اگه لاگین نیست — نشون بده login form، redirect نکن ──────────────────
$show_login = !$user_email;

// ── DB + access check ─────────────────────────────────────────────────────
$has_ai_access = false;
$cr_db = null;

if ($user_email) {
    $dev_emails = ['contact@digvera.com', 'f.asbaqi@gmail.com'];
    if (in_array($user_email, $dev_emails)) {
        $has_ai_access = true;
    } else {
        try {
            $cr_db = new PDO("mysql:host=localhost;dbname=digvputi_clientradar;charset=utf8mb4",
                "digvputi_digvputi_clientuser", "ds64R=DqLI0v",
                [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]);
            $stmt = $cr_db->prepare("SELECT plan, premium_until FROM leads WHERE email = ? LIMIT 1");
            $stmt->execute([$user_email]);
            $lead = $stmt->fetch(PDO::FETCH_ASSOC);
            if ($lead && $lead['plan'] === 'premium' && !empty($lead['premium_until']) && strtotime($lead['premium_until']) >= time()) {
                $has_ai_access = true;
            }
        } catch(Exception $e) {}
    }
}

$contextLabels = [
    'cr'     => ['name'=>'ClientRadar','color'=>'#FF5C2B','icon'=>'🎯'],
    'ar'     => ['name'=>'ApplyRadar', 'color'=>'#60A5FA','icon'=>'🚀'],
    'bundle' => ['name'=>'Bundle',     'color'=>'#FFD166','icon'=>'⭐'],
];
$ctx = $contextLabels[$ai_context] ?? $contextLabels['cr'];

$suggestions = [
    'cr' => [
        'Find me PHP projects above $500',
        'Generate a proposal for the latest project',
        'Which projects have the best win chance?',
        'Save the top 3 web dev projects',
        'Find learning resources for React',
    ],
    'ar' => [
        'Find remote jobs matching my skills',
        'Analyze my win chance for latest matches',
        'Generate a cover letter for job #1',
        'What skills am I missing for senior roles?',
        'Find courses to improve my profile',
    ],
    'bundle' => [
        'Show me freelance + job opportunities today',
        'Which platform has more matches for me?',
        'Generate proposals for top 3 projects',
        'Analyze my overall market position',
        'Find resources for full-stack development',
    ],
];
$quickSuggestions = $suggestions[$ai_context] ?? $suggestions['cr'];
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>AI Assistant — Digvera</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500&display=swap" rel="stylesheet">
<style>
:root {
  --black:#05050A; --surface:#0C0C14; --card:#10101A; --card2:#13131F;
  --border:rgba(255,255,255,0.07); --border2:rgba(255,255,255,0.12);
  --accent:#FF5C2B; --gold:#FFD166; --white:#F4F3EF;
  --muted:#6E6D6A; --muted2:#A8A7A3;
  --ctx-color:<?= $ctx['color'] ?>;
  --nav-h:62px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html,body{height:100%;overflow:hidden;}
body{font-family:'DM Sans',sans-serif;background:var(--black);color:var(--white);display:flex;flex-direction:column;}

/* NAVBAR */
.navbar{height:var(--nav-h);background:rgba(5,5,10,0.95);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;flex-shrink:0;z-index:100;}
.nav-left{display:flex;align-items:center;gap:16px;}
.nav-logo{font-family:'Syne',sans-serif;font-size:18px;font-weight:800;color:var(--white);text-decoration:none;display:flex;align-items:center;gap:8px;letter-spacing:-0.4px;}
.logo-pip{width:7px;height:7px;background:var(--accent);border-radius:50%;box-shadow:0 0 8px var(--accent);animation:pip 2.2s ease-in-out infinite;}
@keyframes pip{0%,100%{transform:scale(1);opacity:1;}50%{transform:scale(1.6);opacity:.6;}}
.ctx-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:100px;font-size:12px;font-weight:700;font-family:'Syne',sans-serif;letter-spacing:.3px;background:color-mix(in srgb,var(--ctx-color) 12%,transparent);border:1px solid color-mix(in srgb,var(--ctx-color) 30%,transparent);color:var(--ctx-color);}
.nav-right{display:flex;align-items:center;gap:8px;}
.tb-btn{width:36px;height:36px;border-radius:9px;border:1px solid var(--border2);background:rgba(255,255,255,0.05);color:var(--muted2);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0;}
.tb-btn:hover{background:rgba(255,255,255,0.1);color:var(--white);}
.tb-btn.accent-btn{background:rgba(255,92,43,0.12);border-color:rgba(255,92,43,0.3);color:var(--accent);}
.nav-divider{width:1px;height:24px;background:var(--border);margin:0 4px;}
.back-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted2);text-decoration:none;padding:6px 12px;border-radius:8px;border:1px solid var(--border);transition:all .2s;}
.back-link:hover{color:var(--white);border-color:var(--border2);}
.logout-link{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:#FCA5A5;text-decoration:none;padding:6px 12px;border-radius:100px;border:1px solid rgba(239,68,68,0.25);transition:all .2s;}
.logout-link:hover{background:rgba(239,68,68,0.08);}

/* MAIN */
.main{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative;}
.bg-glow{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0;}
.bg-glow::before{content:'';position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--ctx-color) 6%,transparent) 0%,transparent 70%);top:-200px;left:50%;transform:translateX(-50%);animation:glowPulse 6s ease-in-out infinite;}
@keyframes glowPulse{0%,100%{opacity:.6;transform:translateX(-50%) scale(1);}50%{opacity:1;transform:translateX(-50%) scale(1.1);}}

/* MESSAGES */
.messages-wrap{flex:1;overflow-y:auto;padding:24px 20px 16px;display:flex;flex-direction:column;gap:16px;position:relative;z-index:1;scroll-behavior:smooth;}
.messages-wrap::-webkit-scrollbar{width:4px;}
.messages-wrap::-webkit-scrollbar-thumb{background:var(--border2);border-radius:4px;}

/* WELCOME */
.welcome-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;padding:40px 20px;text-align:center;}
.welcome-icon{width:72px;height:72px;border-radius:22px;background:color-mix(in srgb,var(--ctx-color) 12%,var(--card));border:1px solid color-mix(in srgb,var(--ctx-color) 25%,transparent);display:flex;align-items:center;justify-content:center;font-size:32px;box-shadow:0 0 40px color-mix(in srgb,var(--ctx-color) 15%,transparent);animation:iconFloat 3s ease-in-out infinite;}
@keyframes iconFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}
.welcome-title{font-family:'Syne',sans-serif;font-size:28px;font-weight:800;letter-spacing:-0.5px;color:var(--white);}
.welcome-title span{color:var(--ctx-color);}
.welcome-sub{font-size:15px;color:var(--muted2);line-height:1.6;max-width:440px;}
.suggestions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;width:100%;max-width:700px;}
.suggestion-chip{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px 16px;font-size:13px;color:var(--muted2);cursor:pointer;transition:all .2s;text-align:left;line-height:1.4;}
.suggestion-chip:hover{border-color:color-mix(in srgb,var(--ctx-color) 40%,transparent);color:var(--white);background:color-mix(in srgb,var(--ctx-color) 6%,var(--card));transform:translateY(-2px);}

/* MESSAGES */
.msg{display:flex;gap:12px;max-width:780px;width:100%;margin:0 auto;animation:msgIn .3s ease forwards;}
@keyframes msgIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.msg.user{flex-direction:row-reverse;}
.msg-avatar{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;}
.msg.ai .msg-avatar{background:color-mix(in srgb,var(--ctx-color) 15%,var(--card));border:1px solid color-mix(in srgb,var(--ctx-color) 25%,transparent);}
.msg.user .msg-avatar{background:rgba(255,255,255,0.06);border:1px solid var(--border2);font-size:13px;font-family:'Syne',sans-serif;font-weight:700;color:var(--muted2);}
.msg-bubble{padding:14px 18px;border-radius:16px;font-size:14px;line-height:1.7;max-width:calc(100% - 50px);}
.msg.ai .msg-bubble{background:var(--card);border:1px solid var(--border);border-top-left-radius:4px;color:var(--white);}
.msg.user .msg-bubble{background:color-mix(in srgb,var(--ctx-color) 15%,var(--card2));border:1px solid color-mix(in srgb,var(--ctx-color) 25%,transparent);border-top-right-radius:4px;color:var(--white);}
.tool-indicator{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;background:rgba(255,255,255,0.04);border:1px solid var(--border);border-radius:100px;font-size:11px;color:var(--muted);margin-bottom:10px;}
.tool-dot{width:6px;height:6px;border-radius:50%;background:var(--ctx-color);animation:toolPulse .8s ease-in-out infinite;}
@keyframes toolPulse{0%,100%{opacity:1;}50%{opacity:.3;}}
.msg-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.msg-action-btn{padding:6px 14px;border-radius:100px;font-size:12px;font-weight:600;font-family:'Syne',sans-serif;cursor:pointer;border:1px solid var(--border2);background:rgba(255,255,255,0.04);color:var(--muted2);transition:all .2s;}
.msg-action-btn:hover{background:rgba(255,255,255,0.08);color:var(--white);}
.msg-action-btn.primary{background:color-mix(in srgb,var(--ctx-color) 15%,transparent);border-color:color-mix(in srgb,var(--ctx-color) 35%,transparent);color:var(--ctx-color);}

/* TYPING */
.typing-indicator{display:flex;gap:12px;max-width:780px;width:100%;margin:0 auto;}
.typing-dots{display:flex;align-items:center;gap:5px;padding:14px 18px;background:var(--card);border:1px solid var(--border);border-radius:16px;border-top-left-radius:4px;}
.typing-dots span{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:dot 1.2s ease-in-out infinite;}
.typing-dots span:nth-child(2){animation-delay:.2s;}
.typing-dots span:nth-child(3){animation-delay:.4s;}
@keyframes dot{0%,60%,100%{transform:translateY(0);opacity:.4;}30%{transform:translateY(-6px);opacity:1;}}

/* INPUT */
.input-area{flex-shrink:0;padding:12px 20px 20px;position:relative;z-index:1;background:linear-gradient(to top,var(--black) 80%,transparent);}
.input-wrap{max-width:780px;margin:0 auto;background:var(--card);border:1px solid var(--border2);border-radius:18px;display:flex;align-items:flex-end;gap:10px;padding:12px 14px 12px 18px;transition:border-color .2s,box-shadow .2s;}
.input-wrap:focus-within{border-color:color-mix(in srgb,var(--ctx-color) 50%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--ctx-color) 10%,transparent);}
#userInput{flex:1;background:transparent;border:none;outline:none;color:var(--white);font-family:'DM Sans',sans-serif;font-size:14px;line-height:1.6;resize:none;max-height:140px;min-height:22px;}
#userInput::placeholder{color:var(--muted);}
.send-btn{width:38px;height:38px;border-radius:12px;background:var(--ctx-color);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s;color:var(--black);}
.send-btn:hover{opacity:.85;transform:scale(1.05);}
.send-btn:disabled{opacity:.35;cursor:not-allowed;transform:none;}
.input-hint{text-align:center;font-size:11px;color:var(--muted);margin-top:8px;max-width:780px;margin-left:auto;margin-right:auto;}

/* LOCKED */
.locked-overlay{position:absolute;inset:0;background:rgba(5,5,10,0.85);backdrop-filter:blur(8px);z-index:50;display:flex;align-items:center;justify-content:center;}
.locked-card{background:var(--card);border:1px solid var(--border2);border-radius:24px;padding:44px 40px;text-align:center;max-width:440px;width:90%;box-shadow:0 24px 80px rgba(0,0,0,0.6);}
.locked-icon{font-size:48px;margin-bottom:16px;}
.locked-title{font-family:'Syne',sans-serif;font-size:22px;font-weight:800;margin-bottom:10px;color:var(--white);}
.locked-desc{font-size:14px;color:var(--muted2);line-height:1.6;margin-bottom:28px;}
.locked-btn{display:inline-flex;align-items:center;gap:8px;padding:13px 32px;background:var(--accent);color:var(--black);font-family:'Syne',sans-serif;font-weight:700;font-size:14px;border-radius:100px;text-decoration:none;transition:all .2s;}
.locked-btn:hover{opacity:.85;transform:translateY(-2px);}

/* LOGIN OVERLAY */
.login-overlay{position:absolute;inset:0;background:rgba(5,5,10,0.92);backdrop-filter:blur(12px);z-index:50;display:flex;align-items:center;justify-content:center;}
.login-card{background:var(--card);border:1px solid var(--border2);border-radius:24px;padding:44px 40px;text-align:center;max-width:400px;width:90%;box-shadow:0 24px 80px rgba(0,0,0,0.6);}
.login-card h2{font-family:'Syne',sans-serif;font-size:22px;font-weight:800;margin-bottom:8px;}
.login-card p{font-size:14px;color:var(--muted2);margin-bottom:28px;line-height:1.6;}
.login-btn{display:inline-flex;align-items:center;gap:8px;padding:13px 32px;background:var(--accent);color:var(--black);font-family:'Syne',sans-serif;font-weight:700;font-size:14px;border-radius:100px;text-decoration:none;transition:all .2s;}
.login-btn:hover{opacity:.85;transform:translateY(-2px);}

/* TRANSLATOR */
.tr-panel{position:fixed;top:70px;right:16px;z-index:9998;width:190px;background:#0E0E18;border:1px solid rgba(255,255,255,0.1);border-radius:14px;padding:10px 8px;opacity:0;pointer-events:none;transform:translateY(-6px) scale(0.97);transform-origin:top right;transition:opacity .2s,transform .2s;box-shadow:0 12px 40px rgba(0,0,0,0.7);}
.tr-panel.open{opacity:1;pointer-events:all;transform:translateY(0) scale(1);}
.tr-panel-title{font-family:'Syne',sans-serif;font-size:10px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:#6E6D6A;margin-bottom:8px;padding:4px 8px 8px;border-bottom:1px solid rgba(255,255,255,0.07);}
.tr-langs{display:flex;flex-direction:column;gap:2px;}
.tr-lang-btn{width:100%;padding:7px 10px;background:transparent;border:1px solid transparent;border-radius:7px;color:#A8A7A3;font-family:'DM Sans',sans-serif;font-size:13px;font-weight:500;cursor:pointer;text-align:left;transition:all .15s;display:flex;align-items:center;justify-content:space-between;}
.tr-lang-btn:hover{background:rgba(255,255,255,0.05);color:#F4F3EF;}
.tr-lang-btn.active{background:rgba(255,92,43,0.1);border-color:rgba(255,92,43,0.25);color:#FF5C2B;}
.tr-lang-btn .tr-check{width:14px;height:14px;border-radius:50%;background:#FF5C2B;display:none;align-items:center;justify-content:center;font-size:8px;color:#05050A;flex-shrink:0;}
.tr-lang-btn.active .tr-check{display:flex;}
.tr-loading{position:fixed;inset:0;z-index:9997;background:rgba(5,5,10,0.75);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;flex-direction:column;gap:16px;}
.tr-loading.show{display:flex;}
.tr-spinner{width:36px;height:36px;border:3px solid rgba(255,92,43,0.2);border-top-color:#FF5C2B;border-radius:50%;animation:trSpin .8s linear infinite;}
@keyframes trSpin{to{transform:rotate(360deg);}}
.tr-loading-text{font-family:'Syne',sans-serif;font-size:13px;font-weight:600;color:#A8A7A3;}
.tr-progress{font-family:'DM Sans',sans-serif;font-size:12px;color:#6E6D6A;}
body.rtl{direction:rtl;text-align:right;}
body.rtl .tr-panel{right:auto;left:16px;transform-origin:top left;}

/* LIGHT MODE */
body.light-mode{--black:#F5F4F0;--surface:#EEECEA;--card:#FFFFFF;--card2:#F8F7F3;--border:rgba(0,0,0,0.08);--border2:rgba(0,0,0,0.14);--white:#1A1917;--muted:#999896;--muted2:#555452;}
body.light-mode .navbar{background:rgba(245,244,240,0.96);}
body.light-mode .input-wrap{background:#fff;border-color:rgba(0,0,0,0.14);}
body.light-mode #userInput{color:#1A1917;}
body.light-mode .input-area{background:linear-gradient(to top,#F5F4F0 80%,transparent);}

/* MARKDOWN */
.msg-bubble strong{color:var(--white);font-weight:600;}
.msg-bubble em{color:var(--muted2);font-style:italic;}
.msg-bubble ul,.msg-bubble ol{padding-left:18px;margin:8px 0;}
.msg-bubble li{margin-bottom:5px;color:var(--muted2);}
.msg-bubble li strong{color:var(--white);}
.msg-bubble code{background:rgba(255,255,255,0.06);border:1px solid var(--border);border-radius:5px;padding:1px 6px;font-size:12px;font-family:'Courier New',monospace;color:var(--ctx-color);}
.msg-bubble a{color:var(--ctx-color);text-decoration:none;border-bottom:1px solid color-mix(in srgb,var(--ctx-color) 40%,transparent);}
.msg-bubble hr{border:none;border-top:1px solid var(--border);margin:12px 0;}

@media(max-width:600px){
  .suggestions-grid{grid-template-columns:1fr;}
  .welcome-title{font-size:22px;}
  .back-link span{display:none;}
  .navbar{padding:0 14px;}
}
</style>
</head>
<body>

<nav class="navbar">
  <div class="nav-left">
    <a href="#" class="nav-logo"><span class="logo-pip"></span>AI Assistant</a>
    <span class="ctx-badge"><?= $ctx['icon'] ?> <?= $ctx['name'] ?></span>
  </div>
  <div class="nav-right">
    <button class="tb-btn" id="themeToggle" onclick="toggleTheme()" title="Toggle theme">
      <svg class="icon-moon" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z"/></svg>
      <svg class="icon-sun" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="display:none"><circle cx="12" cy="12" r="5"/><line x1="12" y1="1" x2="12" y2="3"/><line x1="12" y1="21" x2="12" y2="23"/><line x1="4.22" y1="4.22" x2="5.64" y2="5.64"/><line x1="18.36" y1="18.36" x2="19.78" y2="19.78"/><line x1="1" y1="12" x2="3" y2="12"/><line x1="21" y1="12" x2="23" y2="12"/><line x1="4.22" y1="19.78" x2="5.64" y2="18.36"/><line x1="18.36" y1="5.64" x2="19.78" y2="4.22"/></svg>
    </button>
    <button class="tb-btn accent-btn" id="trBtn" onclick="toggleTrPanel()" title="Translate">
      <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><line x1="2" y1="12" x2="22" y2="12"/><path d="M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z"/></svg>
    </button>
    <div class="nav-divider"></div>
    <?php if ($ai_context === 'cr' || $ai_context === 'bundle'): ?>
    <a href="../clientradar/ui/projects_table.php" class="back-link">
      <svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M19 12H5M12 5l-7 7 7 7"/></svg>
      <span>ClientRadar</span>
    </a>
    <?php endif; ?>
    <?php if ($ai_context === 'ar' || $ai_context === 'bundle'): ?>
    <a href="../applyradar/public/dashboard.php" class="back-link">
      <svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M19 12H5M12 5l-7 7 7 7"/></svg>
      <span>ApplyRadar</span>
    </a>
    <?php endif; ?>
    <?php if ($user_email): ?>
    <a href="../clientradar/logout.php" class="logout-link">
      <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5"><path d="M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4"/><polyline points="16 17 21 12 16 7"/><line x1="21" y1="12" x2="9" y2="12"/></svg>
      Logout
    </a>
    <?php endif; ?>
  </div>
</nav>

<div class="main">
  <div class="bg-glow"></div>

  <div class="messages-wrap" id="messagesWrap">
    <div class="welcome-screen" id="welcomeScreen">
      <div class="welcome-icon">🤖</div>
      <div>
        <div class="welcome-title">Your <span><?= $ctx['name'] ?></span><br>AI Assistant</div>
      </div>
      <div class="welcome-sub">I have full access to your <?= $ctx['name'] ?> workspace. Ask me to find projects, generate proposals, analyze win chances, or find learning resources.</div>
      <div class="suggestions-grid">
        <?php foreach ($quickSuggestions as $s): ?>
        <button class="suggestion-chip" onclick="sendSuggestion(this.textContent)"><?= htmlspecialchars($s) ?></button>
        <?php endforeach; ?>
      </div>
    </div>
  </div>

  <div class="input-area">
    <div class="input-wrap">
      <textarea id="userInput" placeholder="Ask me anything about your projects..." rows="1"></textarea>
      <button class="send-btn" id="sendBtn" onclick="sendMessage()">
        <svg width="17" height="17" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5"><line x1="22" y1="2" x2="11" y2="13"/><polygon points="22 2 15 22 11 13 2 9 22 2"/></svg>
      </button>
    </div>
    <div class="input-hint">Enter to send · Shift+Enter for new line · AI has full access to your <?= htmlspecialchars($ctx['name']) ?> data</div>
  </div>

  <?php if ($show_login): ?>
  <div class="login-overlay">
    <div class="login-card">
      <div class="locked-icon">🤖</div>
      <h2>AI Assistant</h2>
      <p>Please log in to ClientRadar first, then come back here.</p>
      <a href="../clientradar/ui/projects_table.php" class="login-btn">→ Go to ClientRadar</a>
    </div>
  </div>
  <?php elseif (!$has_ai_access): ?>
  <div class="locked-overlay">
    <div class="locked-card">
      <div class="locked-icon">🔮</div>
      <div class="locked-title">AI Assistant</div>
      <div class="locked-desc">Upgrade to unlock your personal AI agent that can search projects, generate proposals, and analyze opportunities.</div>
      <a href="../clientradar/ui/locked.php" class="locked-btn">✨ Unlock AI Assistant</a>
    </div>
  </div>
  <?php endif; ?>
</div>

<!-- TRANSLATOR -->
<div class="tr-panel" id="trPanel">
  <div class="tr-panel-title">Language</div>
  <div class="tr-langs">
    <?php foreach(['en'=>'English','fa'=>'فارسی','ar'=>'العربية','tr'=>'Türkçe','es'=>'Español','fr'=>'Français','de'=>'Deutsch','ru'=>'Русский','zh'=>'中文','ja'=>'日本語','pt'=>'Português'] as $code=>$label): ?>
    <button class="tr-lang-btn <?= $code==='en'?'active':'' ?>" onclick="translatePage('<?= $code ?>')" data-lang="<?= $code ?>"><?= $label ?><span class="tr-check">✓</span></button>
    <?php endforeach; ?>
  </div>
</div>
<div class="tr-loading" id="trLoading">
  <div class="tr-spinner"></div>
  <div class="tr-loading-text">Translating...</div>
  <div class="tr-progress" id="trProgress"></div>
</div>

<script>
const AI_CONTEXT = '<?= $ai_context ?>';
const USER_EMAIL = '<?= htmlspecialchars($user_email ?? '') ?>';
const HAS_ACCESS = <?= ($has_ai_access && !$show_login) ? 'true' : 'false' ?>;
const CTX_COLOR  = '<?= $ctx['color'] ?>';

let isTyping = false, chatHistory = [], msgCount = 0;

(function(){ if(localStorage.getItem('cr_theme')==='light') document.body.classList.add('light-mode'); })();
function toggleTheme(){
  const l = document.body.classList.toggle('light-mode');
  localStorage.setItem('cr_theme', l?'light':'dark');
  document.querySelector('#themeToggle .icon-moon').style.display = l?'none':'';
  document.querySelector('#themeToggle .icon-sun').style.display  = l?'':'none';
}

function toggleTrPanel(){ document.getElementById('trPanel').classList.toggle('open'); }
document.addEventListener('click',function(e){ if(!e.target.closest('#trPanel')&&!e.target.closest('#trBtn')) document.getElementById('trPanel').classList.remove('open'); });

async function translatePage(lang){
  if(lang==='en'){location.reload();return;}
  document.getElementById('trPanel').classList.remove('open');
  const loading=document.getElementById('trLoading'), progress=document.getElementById('trProgress');
  loading.classList.add('show');
  const textNodes=[];
  const walker=document.createTreeWalker(document.body,NodeFilter.SHOW_TEXT,{acceptNode(n){if(['SCRIPT','STYLE','NOSCRIPT'].includes(n.parentElement.tagName))return NodeFilter.FILTER_REJECT;if(n.textContent.trim().length<2)return NodeFilter.FILTER_REJECT;return NodeFilter.FILTER_ACCEPT;}});
  while(walker.nextNode())textNodes.push(walker.currentNode);
  for(let i=0;i<textNodes.length;i+=20){
    const batch=textNodes.slice(i,i+20);
    progress.textContent=`${Math.min(i+20,textNodes.length)} / ${textNodes.length}`;
    try{
      const res=await fetch('agent.php',{method:'POST',credentials:'same-origin',headers:{'Content-Type':'application/json'},body:JSON.stringify({action:'translate',texts:batch.map(n=>n.textContent),lang})});
      const data=await res.json();
      if(data.translations) batch.forEach((n,idx)=>{if(data.translations[idx])n.textContent=data.translations[idx];});
    }catch(e){}
  }
  document.body.classList.toggle('rtl',['ar','fa','he'].includes(lang));
  document.querySelectorAll('.tr-lang-btn').forEach(b=>b.classList.toggle('active',b.dataset.lang===lang));
  loading.classList.remove('show');
}

const input=document.getElementById('userInput');
input.addEventListener('input',function(){this.style.height='auto';this.style.height=Math.min(this.scrollHeight,140)+'px';});
input.addEventListener('keydown',function(e){if(e.key==='Enter'&&!e.shiftKey){e.preventDefault();sendMessage();}});

function sendSuggestion(text){input.value=text;sendMessage();}

async function sendMessage(){
  if(!HAS_ACCESS||isTyping)return;
  const text=input.value.trim();
  if(!text)return;
  const ws=document.getElementById('welcomeScreen');
  if(ws)ws.remove();
  appendMessage('user',text);
  chatHistory.push({role:'user',content:text});
  input.value='';input.style.height='auto';
  isTyping=true;document.getElementById('sendBtn').disabled=true;
  showTyping();
  try{
    const res=await fetch('agent.php',{method:'POST',credentials:'same-origin',headers:{'Content-Type':'application/json'},body:JSON.stringify({action:'chat',message:text,history:chatHistory.slice(-10),context:AI_CONTEXT,email:USER_EMAIL})});
    const data=await res.json();
    hideTyping();
    if(data.success){appendMessage('ai',data.response,data.tool_used,data.actions);chatHistory.push({role:'assistant',content:data.response});}
    else{appendMessage('ai','⚠️ '+(data.error||'Something went wrong.'));}
  }catch(err){hideTyping();appendMessage('ai','⚠️ Connection error. Please try again.');}
  isTyping=false;document.getElementById('sendBtn').disabled=false;
}

function appendMessage(role,content,toolUsed=null,actions=null){
  msgCount++;
  const wrap=document.getElementById('messagesWrap');
  const div=document.createElement('div');
  div.className=`msg ${role}`;
  const initials=USER_EMAIL?USER_EMAIL[0].toUpperCase():'U';
  const avatar=role==='ai'?`<div class="msg-avatar">🤖</div>`:`<div class="msg-avatar">${initials}</div>`;
  const toolNames={search_projects:'🔍 Searched projects',generate_proposal:'✍️ Generated proposal',save_project:'💾 Saved project',analyze_win_chance:'📊 Analyzed win chance',find_resources:'📚 Found resources'};
  const toolHtml=toolUsed?`<div class="tool-indicator"><span class="tool-dot"></span>${toolNames[toolUsed]||toolUsed}</div>`:'';
  const actionsHtml=actions&&actions.length?'<div class="msg-actions">'+actions.map(a=>`<button class="msg-action-btn ${a.primary?'primary':''}" onclick="${a.onclick}">${a.label}</button>`).join('')+'</div>':'';
  div.innerHTML=avatar+`<div class="msg-bubble">${toolHtml}${markdownToHtml(content)}${actionsHtml}</div>`;
  wrap.appendChild(div);
  wrap.scrollTop=wrap.scrollHeight;
}

function showTyping(){
  const wrap=document.getElementById('messagesWrap');
  const div=document.createElement('div');
  div.className='typing-indicator';div.id='typingIndicator';
  div.innerHTML=`<div class="msg-avatar" style="background:color-mix(in srgb,${CTX_COLOR} 15%,var(--card));border:1px solid color-mix(in srgb,${CTX_COLOR} 25%,transparent)">🤖</div><div class="typing-dots"><span></span><span></span><span></span></div>`;
  wrap.appendChild(div);wrap.scrollTop=wrap.scrollHeight;
}
function hideTyping(){document.getElementById('typingIndicator')?.remove();}

function markdownToHtml(text){
  let h=text.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  h=h.replace(/^# (.+)$/gm,   '<h2 style="font-family:\'Syne\',sans-serif;font-size:17px;font-weight:800;margin:16px 0 8px;color:var(--white)">$1</h2>');
  h=h.replace(/^## (.+)$/gm,  '<h3 style="font-family:\'Syne\',sans-serif;font-size:15px;font-weight:700;margin:14px 0 6px;color:var(--white)">$1</h3>');
  h=h.replace(/^### (.+)$/gm, '<h4 style="font-family:\'Syne\',sans-serif;font-size:13px;font-weight:700;margin:12px 0 4px;color:var(--white)">$1</h4>');
  h=h.replace(/^---+$/gm,     '<hr style="border:none;border-top:1px solid rgba(255,255,255,0.1);margin:12px 0">');
  h=h.replace(/^(Subject:.+)$/gm,'<div style="background:rgba(255,92,43,0.08);border:1px solid rgba(255,92,43,0.2);border-radius:8px;padding:8px 12px;margin:8px 0;color:#FF5C2B;font-size:13px">$1</div>');
  h=h.replace(/\*\*(.+?)\*\*/g,'<strong>$1</strong>');
  h=h.replace(/\*(.+?)\*/g,   '<em>$1</em>');
  h=h.replace(/`([^`]+)`/g,   '<code>$1</code>');
  h=h.replace(/\[([^\]]+)\]\(([^)]+)\)/g,'<a href="$2" target="_blank" rel="noopener">$1</a>');
  h=h.replace(/^[\*\-] (.+)$/gm,'<li style="margin-bottom:4px">$1</li>');
  h=h.replace(/(<li[^>]*>.*?<\/li>\n?)+/gs,'<ul style="padding-left:18px;margin:8px 0">$&</ul>');
  h=h.replace(/\n\n+/g,'</p><p style="margin:8px 0">');
  h=h.replace(/\n/g,'<br>');
  return '<p style="margin:0">'+h+'</p>';
}
</script>
</body>
</html>