* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #eef2f7;
  color: #101828;
}

.app {
  max-width: 940px;
  margin: auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #f7f8fb;
}

.topbar {
  background: #101828;
  color: white;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.topbar h1 {
  margin: 0;
  color: #ffd166;
  font-size: 2rem;
}

.topbar p {
  margin: 6px 0 0;
  color: #d0d5dd;
}

.card, .mini-card {
  background: white;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(16, 24, 40, 0.08);
}

.card {
  margin: 24px;
  padding: 22px;
}

.card h2 {
  margin-top: 0;
}

label {
  display: block;
  font-weight: 700;
  margin-top: 14px;
  margin-bottom: 6px;
}

input, select {
  width: 100%;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid #d0d5dd;
  font-size: 16px;
  background: white;
}

button {
  border: none;
  border-radius: 14px;
  background: #ffd166;
  color: #101828;
  font-weight: bold;
  padding: 14px 18px;
  cursor: pointer;
  font-size: 15px;
}

button.secondary {
  background: #101828;
  color: white;
}

button.ghost {
  background: transparent;
  color: white;
  border: 1px solid rgba(255,255,255,0.4);
}

button.link-button {
  background: transparent;
  color: #101828;
  text-decoration: underline;
  padding-left: 0;
}

.small-button {
  margin-top: 10px;
  padding: 10px 12px;
  font-size: 14px;
}

.button-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.hidden {
  display: none !important;
}

.hint {
  color: #667085;
  font-size: 0.92rem;
}

.error {
  color: #b42318;
  font-weight: bold;
}

#chat-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 16px;
}

.mini-card {
  padding: 16px;
}

.mini-card h3 {
  margin: 0 0 8px;
}

#profile-summary {
  margin: 0;
  color: #475467;
  font-size: 0.95rem;
}

.checkin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

#checkin-note {
  margin-top: 8px;
}

#chat-box {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.message {
  padding: 12px;
  border-radius: 16px;
  margin-bottom: 12px;
  max-width: 85%;
  line-height: 1.5;
  white-space: pre-wrap;
}

.coach {
  background: white;
  box-shadow: 0 4px 18px rgba(16, 24, 40, 0.05);
}

.user {
  background: #101828;
  color: white;
  margin-left: auto;
}

#chat-form {
  display: flex;
  padding: 14px;
  background: white;
  border-top: 1px solid #eaecf0;
  gap: 10px;
}

#message-input {
  flex: 1;
}

@media (max-width: 700px) {
  .app {
    min-height: 100dvh;
  }

  .topbar {
    padding: 16px;
  }

  .topbar h1 {
    font-size: 1.6rem;
  }

  .card {
    margin: 14px;
  }

  .dashboard {
    grid-template-columns: 1fr;
  }

  .checkin-grid {
    grid-template-columns: 1fr;
  }

  .button-row {
    flex-direction: column;
  }

  #chat-form {
    padding-bottom: 20px;
  }
}