Initial Release: Lütte Planer mit Google-Login-Vorbereitung

- Login-System (Mock für Tests, Google OAuth vorbereitet)
- Reisen erstellen mit Emoji, Ziel und Datum
- Ablauf (Timeline), Packliste, Ideen, Notizen, Dokumente
- Team-System: Personen einladen per E-Mail + Einladungslinks
- Berechtigungen: Nur lesen / Bearbeiten / Admin
- E-Mail-Benachrichtigungen beim Einladen

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

index.php

@@ -0,0 +1,102 @@
+<?php
+require_once __DIR__ . '/config.php';
+requireLogin();
+$user = currentUser();
+
+// Neue Reise erstellen
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['neue_reise'])) {
+    $name   = trim($_POST['name'] ?? '');
+    $ziel   = trim($_POST['ziel'] ?? '');
+    $start  = $_POST['start_datum'] ?? '';
+    $end    = $_POST['end_datum'] ?? '';
+    $emoji  = trim($_POST['cover_emoji'] ?? '✈️');
+    if ($name) {
+        $id = newUuid();
+        dbInsert('reisen', ['id' => $id, 'name' => $name, 'ziel' => $ziel, 'start_datum' => $start, 'end_datum' => $end, 'cover_emoji' => $emoji ?: '✈️', 'created_by' => $user['id']]);
+        dbInsert('reise_zugriff', ['trip_id' => $id, 'user_id' => $user['id'], 'access' => 'admin']);
+        header('Location: /Develop/PlanerGoogel/ablauf.php?trip=' . $id); exit;
+    }
+}
+
+// Reisen des Users laden
+$reisen = dbAll(
+    'SELECT r.*, rz.access FROM reisen r
+     JOIN reise_zugriff rz ON rz.trip_id = r.id
+     WHERE rz.user_id = ?
+     ORDER BY r.start_datum DESC, r.created_at DESC',
+    [$user['id']]
+);
+
+$pageTitle = 'Meine Reisen';
+$trip = null;
+include __DIR__ . '/includes/header.php';
+?>
+
+<main class="main">
+  <div class="page-header">
+    <h1 class="section-head">Meine Reisen</h1>
+    <button class="btn btn-primary" onclick="document.getElementById('neue-reise-form').classList.toggle('hidden')">+ Neue Reise</button>
+  </div>
+
+  <!-- Neue Reise Form -->
+  <div id="neue-reise-form" class="add-form hidden" style="margin-bottom:28px;">
+    <form method="POST" style="display:contents;">
+      <input type="text" name="name" placeholder="Reisename *" required style="min-width:160px;">
+      <input type="text" name="ziel" placeholder="Ziel / Ort">
+      <input type="date" name="start_datum" title="Startdatum">
+      <input type="date" name="end_datum" title="Enddatum">
+      <input type="text" name="cover_emoji" placeholder="Emoji" value="✈️" style="max-width:80px;text-align:center;">
+      <button type="submit" name="neue_reise" class="btn btn-primary">Erstellen</button>
+      <button type="button" class="btn-secondary" onclick="document.getElementById('neue-reise-form').classList.add('hidden')">Abbrechen</button>
+    </form>
+  </div>
+
+  <?php if (empty($reisen)): ?>
+  <div class="empty">
+    <div class="empty-icon">🗺️</div>
+    <p>Noch keine Reisen geplant.</p>
+    <p>Klick auf <strong>+ Neue Reise</strong> um loszulegen!</p>
+  </div>
+  <?php else: ?>
+  <div class="trip-grid">
+    <?php foreach ($reisen as $r):
+      $members = getTripMembers($r['id']);
+      $days = $r['start_datum'] ? daysUntil($r['start_datum']) : null;
+    ?>
+    <a href="/Develop/PlanerGoogel/ablauf.php?trip=<?= h($r['id']) ?>" class="trip-card">
+      <div class="trip-card-emoji"><?= h($r['cover_emoji']) ?></div>
+      <div class="trip-card-body">
+        <div class="trip-card-name"><?= h($r['name']) ?></div>
+        <?php if ($r['ziel']): ?>
+        <div class="trip-card-ziel">📍 <?= h($r['ziel']) ?></div>
+        <?php endif; ?>
+        <?php if ($r['start_datum']): ?>
+        <div class="trip-card-date">
+          <?= germanDate($r['start_datum']) ?>
+          <?php if ($r['end_datum']): ?> – <?= germanDate($r['end_datum']) ?><?php endif; ?>
+          <?php if ($days !== null && $days > 0): ?>
+          <span class="countdown-badge">in <?= $days ?> Tagen</span>
+          <?php elseif ($days !== null && $days <= 0 && $days > -30): ?>
+          <span class="countdown-badge active">Läuft!</span>
+          <?php endif; ?>
+        </div>
+        <?php endif; ?>
+        <div class="trip-card-members">
+          <?php foreach (array_slice($members, 0, 5) as $m): ?>
+          <?= avatarHtml($m, '24px') ?>
+          <?php endforeach; ?>
+          <?php if (count($members) > 5): ?>
+          <span class="members-more">+<?= count($members) - 5 ?></span>
+          <?php endif; ?>
+        </div>
+      </div>
+      <?php if ($r['access'] === 'admin'): ?>
+      <span class="trip-card-badge">Admin</span>
+      <?php endif; ?>
+    </a>
+    <?php endforeach; ?>
+  </div>
+  <?php endif; ?>
+</main>
+
+<?php include __DIR__ . '/includes/footer.php'; ?>