:root {
  --bg: #f7f3eb;
  --surface: #fffaf0;
  --surface-strong: #ffffff;
  --text: #2c2418;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --border: #d6cfc2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 20%, #e7f5f2, transparent 40%),
    radial-gradient(circle at 80% 10%, #f5efe2, transparent 40%),
    var(--bg);
}

.app {
  max-width: 680px;
  margin: 1rem auto;
  padding: 0.8rem;
}

h1 {
  margin: 0;
  font-size: 2rem;
  text-align: center;
}

.subtitle {
  margin-top: 0.4rem;
  text-align: center;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem;
  margin-top: 1rem;
  box-shadow: 0 10px 30px rgba(31, 41, 55, 0.06);
}

.card h2 {
  margin-top: 0;
}

.row {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.action-row button {
  flex: 1;
  min-width: 180px;
}

input,
button,
select,
textarea {
  font: inherit;
  padding: 0.6rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}

input,
select,
textarea {
  width: 100%;
  background: #ffffff;
}

button {
  background: var(--accent);
  color: #ffffff;
  border: 0;
  cursor: pointer;
}

button:hover {
  background: var(--accent-strong);
}

.ghost-btn {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.ghost-btn:hover {
  background: #f2eee4;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  max-width: 560px;
  margin: 0 auto;
}

.form-grid label {
  font-weight: 600;
  margin-top: 0.4rem;
}

.form-grid button {
  margin-top: 0.8rem;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(24, 20, 12, 0.45);
}

.modal-sheet {
  position: relative;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--surface-strong);
  border-radius: 20px 20px 0 0;
  padding: 1rem;
  box-shadow: 0 -10px 40px rgba(31, 41, 55, 0.25);
}

[hidden] {
  display: none !important;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}

.modal-header h2 {
  margin: 0;
}

.tab-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}

.tab-btn {
  background: #f1ece0;
  color: var(--text);
}

.tab-btn.active {
  background: var(--accent);
  color: #ffffff;
}

.modal-form {
  padding-bottom: 0.4rem;
}

@media (min-width: 720px) {
  .app {
    padding: 2rem;
  }

  .modal {
    align-items: center;
    padding: 1rem;
  }

  .modal-sheet {
    width: min(92vw, 640px);
    max-height: 90vh;
    border-radius: 20px;
  }
}