.date-display { cursor: text; }
.date-calendar { position: fixed; z-index: 10000; width: min(320px, calc(100vw - 16px)); box-sizing: border-box; padding: 12px; border: 1px solid #42546d; border-radius: 12px; background: #132238; color: #e5edf7; box-shadow: 0 12px 36px #0008; }
.date-calendar[hidden] { display: none; }
.date-calendar-header { display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.date-calendar button, .date-calendar input, .date-calendar select { box-sizing: border-box; min-height: 34px; padding: 4px 6px; border: 1px solid #42546d; border-radius: 6px; background: #1c304b; color: #e5edf7; font: inherit; }
.date-calendar-header input { width: 88px; }
.date-calendar-header select { flex: 1; width: auto; }
.date-calendar button { cursor: pointer; }
.date-calendar button:hover, .date-calendar button[aria-pressed="true"] { background: #513ba5; }
.date-calendar button:disabled { opacity: .35; cursor: default; }
.date-calendar :focus-visible { outline: 2px solid #38d6ff; outline-offset: 2px; }
.date-calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; text-align: center; }
.date-calendar-grid span { padding: 5px 0; color: #aebed4; }
.date-calendar-footer { display: flex; justify-content: space-between; margin-top: 12px; }