/* === Reset Dasar === */
body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #f9fafb;
  color: #111827;
}

.container {
  display: flex;
  height: 100vh;
}

/* === Sidebar Desktop === */
.sidebar {
  width: 260px;
  background-color: #f3f4f6;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-right: 1px solid #e5e7eb;
}

.branding {
  margin-bottom: 20px;
  text-align: center;
}

.logo {
  width: 100px;
  max-width: 100%;
  display: block;
  margin: 0 auto;
}

/* Tombol Buat Chat Baru */
.new-chat {
  background-color: #10b981;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  cursor: pointer;
  width: 100%;
  font-weight: bold;
  font-size: 1rem;
}

/* Login dan Register */
.login-panel {
  margin-top: auto;
  width: 100%;
}

.login-btn,
.register-btn {
  display: block;
  width: 100%;
  text-align: center;
  margin-top: 10px;
  padding: 10px 0;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
  font-size: 1rem;
}

.login-btn {
  background-color: #3b82f6;
  color: white;
}

.register-btn {
  background-color: #10b981;
  color: white;
}

/* === Bagian Utama === */
.main {
  flex: 1;
  padding: 30px 40px;
  overflow-y: auto;
}

.main h1,
.title-center {
  font-size: 1.8rem;
  text-align: center;
  margin-bottom: 30px;
}

/* === Kartu Pertanyaan === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(200px, 1fr));
  gap: 20px;
  max-width: 600px;
  margin: 0 auto 40px;
  justify-items: center;
}

.card {
  background-color: #e0f2fe;
  padding: 15px;
  border-radius: 10px;
  cursor: pointer;
  transition: 0.2s ease;
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.4;
}

.card:hover {
  background-color: #bae6fd;
}

/* === Chatbox === */
.chatbox {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.chatbox form {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 900px;
}

.chatbox input[type="text"] {
  flex-grow: 1;
  padding: 12px 16px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  font-size: 1rem;
}

.chatbox button {
  padding: 12px 18px;
  background-color: #2563eb;
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.2rem;
  cursor: pointer;
  transition: 0.2s ease;
}

.chatbox button:hover {
  background-color: #1e40af;
}

.disclaimer {
  font-size: 0.8rem;
  color: #6b7280;
  margin-top: 8px;
  text-align: center;
}

/* === Hasil Chat === */
.chat-response {
  margin-top: 30px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.user-question,
.ai-answer {
  background-color: #f3f4f6;
  padding: 15px;
  border-radius: 10px;
  margin-bottom: 10px;
  line-height: 1.5;
}

.user-question {
  background-color: #e0e7ff;
}

.ai-answer {
  background-color: #ecfdf5;
}

/* === Branding Mobile (default: disembunyikan) === */
.mobile-branding {
  display: none;
}

/* === Responsif untuk HP (max-width: 768px) === */
@media (max-width: 768px) {
  html, body {
    max-width: 100%;
    overflow-x: hidden;
    background-color: #f9fafb;
  }

  .container {
    flex-direction: column;
    width: 100%;
    height: auto;
    min-height: 100vh;
  }

  .sidebar {
    display: none;
  }

  .main {
    width: 100%;
    padding: 16px 20px 40px;
    box-sizing: border-box;
  }

  /* Branding atas mobile */
  .mobile-branding {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    padding: 12px 20px;
    background-color: #f3f4f6;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 999;
  }

  .mobile-logo {
    width: 42px;
    height: auto;
  }

  .mobile-title {
    font-size: 1rem;
    margin: 0;
    font-weight: 600;
    color: #111827;
  }

  .mobile-subtitle {
    font-size: 0.75rem;
    color: #6b7280;
    margin: 2px 0 0;
  }

  .card-grid {
    display: none;
  }

  .chatbox form {
    flex-direction: column;
    gap: 0;
  }

  .chatbox input[type="text"] {
    width: 100%;
    margin-bottom: 10px;
    font-size: 1rem;
    padding: 14px 16px;
  }

  .chatbox button {
    width: 100%;
    padding: 14px 0;
    font-size: 1.1rem;
  }

  .chat-response {
    width: 100%;
    padding: 0;
    margin-top: 24px;
  }

  .disclaimer {
    font-size: 0.75rem;
    margin-top: 12px;
    padding-bottom: 40px;
    color: #9ca3af;
  }

  /* Hilangkan garis bawah sisa */
  hr, .garis, .garis-bawah {
    display: none !important;
  }
}