:root {
  --bg: #1e1e1e;
  --text: #e0e0e0;
  --input-bg: #2d2d2d;
  --input-border: #555;
  --heading: #fff;
  --btn-bg: #4285f4;
  --btn-hover: #3367d6;
}
.light {
  --bg: #fff;
  --text: #333;
  --input-bg: #fff;
  --input-border: #ccc;
  --heading: #333;
  --btn-bg: #4285f4;
  --btn-hover: #3367d6;
}
* { box-sizing: border-box; }
html { font-size: 22px; }
body { font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto; padding: 15px; background: var(--bg); color: var(--text); font-size: 1rem; overflow-x: hidden; }
.header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.header h2 { color: var(--heading); margin: 0; font-size: 1.4rem; }
.header-subtitle { font-size: 0.7em; white-space: nowrap; }
.header button { background: none; border: none; font-size: 1.4rem; cursor: pointer; padding: 0; color: var(--text); }
.header button:hover { opacity: 0.7; }
label { display: block; margin-top: 16px; font-weight: bold; font-size: 1rem; }
input, select, textarea {
  width: 100%;
  padding: 16px;
  margin-top: 6px;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text);
  font-size: 1rem;
  -webkit-appearance: none;
}
textarea {
  resize: vertical;
  -webkit-appearance: auto;
  min-height: 120px;
}
input[type="date"], input[type="time"] {
  text-align: left;
  min-height: 54px;
  line-height: 1.2;
}
input[type="date"]::-webkit-date-and-time-value,
input[type="time"]::-webkit-date-and-time-value {
  text-align: left;
}
select { padding: 16px 10px; }
input::placeholder, textarea::placeholder { color: #888; font-size: 1rem; }
#bulkChanges, #bulkChanges::placeholder { font-size: 0.7rem; }
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px var(--input-bg) inset;
  -webkit-text-fill-color: var(--text);
  border: 1px solid var(--input-border);
  transition: background-color 5000s ease-in-out 0s;
}
.access-note { margin-top: 20px; margin-bottom: 0; font-size: 0.85rem; text-align: center; color: var(--text); opacity: 0.7; }
.btn-row { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.submit-btn {
  padding: 18px 20px;
  background: var(--btn-bg);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: bold;
  width: 100%;
}
.submit-btn:hover { background: var(--btn-hover); }
.submit-btn:disabled { background: #888; cursor: not-allowed; opacity: 0.7; }
.cancel-btn {
  padding: 18px 20px;
  background: #888;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: bold;
  width: 100%;
}
.cancel-btn:hover { background: #666; }
#message { margin-top: 15px; font-weight: bold; text-align: center; font-size: 1rem; }