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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-serif); font-weight: 700; }

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.view { display: none; flex: 1; flex-direction: column; }
.view.active { display: flex; }

.btn-primary {
  background: var(--sage); border: none; border-radius: var(--radius-sm);
  color: var(--text-nav); font-family: var(--font-sans); font-size: 11px;
  font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  padding: 10px 18px; cursor: pointer;
}
.btn-ghost {
  background: transparent; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-secondary);
  font-family: var(--font-sans); font-size: 11px; font-weight: 600;
  padding: 10px 16px; cursor: pointer;
}
.btn-danger {
  background: transparent; border: 1.5px solid var(--overdue-bg);
  border-radius: var(--radius-sm); color: var(--overdue);
  font-family: var(--font-sans); font-size: 11px; font-weight: 600;
  padding: 10px 16px; cursor: pointer;
}

.field-label {
  font-size: 9px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--text-secondary); font-weight: 700; margin-bottom: 5px;
  display: block;
}

input.text-input, textarea.text-input {
  width: 100%; background: var(--surface-2); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); padding: 9px 12px;
  font-family: var(--font-serif); font-size: 13px; color: var(--text-primary);
  outline: none; transition: border-color .15s;
}
input.text-input:focus, textarea.text-input:focus {
  border-color: var(--sage); background: var(--surface-3);
}
input.text-input::placeholder, textarea.text-input::placeholder {
  color: var(--text-secondary); font-style: italic;
}
textarea.text-input { resize: none; line-height: 1.5; }