:root {
  --primary: #6c3ba7;
  --primary-dark: #4e2582;
  --primary-gradient: linear-gradient(135deg, #6c3ba7 0%, #4e2582 100%);
  --accent-whatsapp: #25D366;
  --bg-main: #f8f6fc;
  --bg-card: #ffffff;
  --text-main: #1e172a;
  --text-muted: #645d7a;
  --border: rgba(108, 59, 167, 0.15);
  --shadow: 0 15px 35px rgba(108, 59, 167, 0.1);
  --radius: 16px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.25rem;
  color: var(--primary-dark);
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.logo span strong {
  color: var(--primary);
}

.back-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s ease;
}

.back-link:hover {
  color: var(--primary);
}

.main-container {
  flex-grow: 1;
  padding: 3rem 1.5rem;
  display: flex;
  justify-content: center;
}

.agenda-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 620px;
  padding: 2.5rem;
}

.card-header {
  text-align: center;
  margin-bottom: 2rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(108, 59, 167, 0.08);
  color: var(--primary);
  padding: 0.35rem 0.85rem;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.card-header h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.85rem;
  color: var(--primary-dark);
  margin-bottom: 0.5rem;
}

.card-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.input-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon i {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  font-size: 1.1rem;
}

input, select, textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-family: inherit;
  font-size: 0.95rem;
  background: #faf8fc;
  transition: all 0.2s ease;
}

.input-icon input {
  padding-left: 2.75rem;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(108, 59, 167, 0.15);
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  border-radius: 12px;
  background: var(--primary-gradient);
  color: #fff;
  border: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  margin-top: 1rem;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(108, 59, 167, 0.25);
}

.status-msg {
  margin-top: 1.25rem;
  padding: 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  text-align: center;
}

.status-msg.success {
  background: rgba(37, 211, 102, 0.12);
  color: #128C7E;
  border: 1px solid rgba(37, 211, 102, 0.3);
}

.status-msg.error {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.hidden {
  display: none;
}

.app-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}