:root {
  --bg-color: #000000;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --border-color: #333333;
  --accent: #ffffff;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  justify-content: center;
  min-height: 100vh;
}

.minimal-wrapper {
  width: 100%;
  max-width: 640px; /* Estreito, focado na leitura ideal */
  padding: 80px 24px;
  display: flex;
  flex-direction: column;
}

/* ============================================================
   HEADER
   ============================================================ */
.minimal-header {
  margin-bottom: 64px;
}

.logo-name {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.role-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.minimal-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.minimal-bio p {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 24px;
  line-height: 1.7;
}

.minimal-bio .prompt-text {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: 48px;
  margin-bottom: 0;
}

/* ============================================================
   CHAT INTERFACE
   ============================================================ */
.minimal-chat {
  display: flex;
  flex-direction: column;
  margin-top: 16px;
}

.chat-messages {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 32px;
}

.msg-block {
  font-size: 15px;
  line-height: 1.6;
}

.msg-block.user {
  color: var(--text-secondary);
}

.msg-block.user::before {
  content: "Você: ";
  font-weight: 500;
  color: var(--text-primary);
}

.msg-block.assistant {
  color: var(--text-primary);
}

.msg-block.assistant::before {
  content: "Bruno: ";
  font-weight: 500;
  color: var(--text-secondary);
}

.typing {
  opacity: 0.5;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

.chat-input-wrapper {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
  transition: border-color 0.3s ease;
}

.chat-input-wrapper:focus-within {
  border-color: var(--accent);
}

#aiInput {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 16px;
  outline: none;
}

#aiInput::placeholder {
  color: var(--border-color);
}

.chat-send {
  background: none;
  border: none;
  color: var(--border-color);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s ease;
  pointer-events: none;
}

.chat-send.active {
  color: var(--text-primary);
  pointer-events: auto;
}

.chat-send.active:hover {
  color: var(--text-secondary);
}

/* ============================================================
   FOOTER
   ============================================================ */
.minimal-footer {
  margin-top: 80px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-top: 1px solid var(--border-color);
  padding-top: 32px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copy {
  font-size: 13px;
  color: var(--border-color);
}

/* ============================================================
   CHAT BUTTONS (WHATSAPP & CHECKOUT)
   ============================================================ */
.btn-whatsapp {
  display: inline-block;
  color: #000000;
  background-color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 24px;
  text-decoration: none;
  transition: background 0.3s;
  border-radius: 6px;
  margin-top: 12px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.btn-whatsapp:hover {
  background-color: #e0e0e0;
}

.btn-checkout-custom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  background: #ffffff;
  color: #000000;
  padding: 16px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-family: var(--font-main);
  transition: all 0.25s ease;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.15);
  width: 100%;
  box-sizing: border-box;
  margin-top: 16px;
  text-align: left;
}
.btn-checkout-custom:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}
.btn-checkout-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #000000;
}
.btn-checkout-preco {
  font-size: 16px;
  font-weight: 600;
  color: #000000;
  line-height: 1.2;
}
.btn-checkout-info {
  font-size: 11px;
  color: rgba(0, 0, 0, 0.5);
  letter-spacing: 0.02em;
}