:root {
  --brown: #4b2e1f;
  --brown-soft: #6a4330;
  --green: #3c7a4a;
  --green-soft: #5fa56a;
  --white: #ffffff;
  --bg: #f5f3ef;
  --text-main: #2b241f;
  --danger: #b53939;
  --radius-bubble: 999px;
  --shadow-soft: 0 14px 30px rgba(0, 0, 0, 0.12);
  --shadow-card: 0 10px 24px rgba(0, 0, 0, 0.08);
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font-main);
  background: radial-gradient(circle at top, #ffffff 0, var(--bg) 55%, #e7e0d6 100%);
  color: var(--text-main);
}

#app {
  min-height: 100vh;
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 18px 32px;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.page {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: stretch;
  justify-content: center;
}

.hidden {
  display: none !important;
}

.logo-badge {
  align-self: flex-start;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--brown);
  color: var(--white);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: var(--shadow-soft);
}

.title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--brown);
  margin: 0;
}

.subtitle {
  margin: 0 0 8px;
  color: #6b5b4f;
}

.card {
  background: var(--white);
  border-radius: 24px;
  padding: 18px 16px;
  box-shadow: var(--shadow-card);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
  font-size: 14px;
}

.field span {
  color: #6b5b4f;
}

.field input {
  border-radius: 999px;
  border: 1px solid #d2c6b8;
  padding: 10px 14px;
  font-size: 15px;
  outline: none;
}

.field input:focus {
  border-color: var(--green-soft);
  box-shadow: 0 0 0 1px rgba(95, 165, 106, 0.4);
}

.btn {
  border: none;
  border-radius: var(--radius-bubble);
  padding: 12px 18px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease, background 0.12s ease;
}

.btn.primary {
  background: linear-gradient(135deg, var(--green) 0, var(--green-soft) 100%);
  color: var(--white);
  box-shadow: var(--shadow-soft);
}

.btn.ghost {
  background: transparent;
  color: var(--brown-soft);
  border: 1px solid #d2c6b8;
}

.btn.text {
  background: transparent;
  color: var(--brown-soft);
  padding: 6px 0;
  font-size: 14px;
}

.btn.danger {
  background: linear-gradient(135deg, var(--danger) 0, #e45a5a 100%);
  color: var(--white);
  box-shadow: var(--shadow-soft);
}

.btn:active {
  transform: translateY(1px) scale(0.99);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.bubble-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.bubble {
  border-radius: var(--radius-bubble);
  border: none;
  padding: 14px 18px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  background: var(--white);
  color: var(--brown-soft);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

.bubble.main {
  background: radial-gradient(circle at top left, var(--green-soft), var(--green));
  color: var(--white);
}

.qr-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.qr-placeholder {
  height: 220px;
  border-radius: 24px;
  background: repeating-linear-gradient(
    45deg,
    #e3d8cb,
    #e3d8cb 10px,
    #f5eee4 10px,
    #f5eee4 20px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  color: #7a6a5b;
  font-size: 14px;
}

.note {
  font-size: 13px;
  color: #7a6a5b;
}

.timer-ring {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  margin: 12px auto;
  background: conic-gradient(from 180deg, var(--green-soft), var(--green), var(--brown-soft));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
}

.timer-time {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 700;
  color: var(--brown);
}