/* ===== ส่วนเสริม UI ใช้ร่วมกันทุกหน้า (ui.js) =====
   แถบแจ้งผล (toast) · กล่องยืนยัน · ปุ่มลัดช่วงวันที่ · โครงเทาตอนโหลด · หน้าว่างที่ชวนทำต่อ · เตือนปีผิด */

/* ---------- แถบแจ้งผล ---------- */
#ui-toasts {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 2147483200;
  display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; width: min(92vw, 440px);
}
@media (max-width: 760px) { #ui-toasts { bottom: calc(84px + env(safe-area-inset-bottom)); } }
.ui-toast {
  position: relative; overflow: hidden; pointer-events: auto; display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 11px 12px 11px 14px; border-radius: 14px; background: var(--surface-1); color: var(--text-primary);
  border: .5px solid var(--border-strong); box-shadow: 0 10px 30px rgba(0, 0, 0, .35); font-size: 13px; line-height: 1.5;
  white-space: pre-line; animation: ui-in .28s cubic-bezier(.22, 1, .36, 1);
}
.ui-toast .ico { font-size: 18px; flex: none; }
.ui-toast.ok .ico { color: #22c55e; }
.ui-toast.err .ico { color: var(--text-danger); }
.ui-toast.info .ico { color: var(--text-accent); }
.ui-toast .msg { flex: 1; min-width: 0; }
.ui-toast .act { flex: none; min-height: 0; padding: 5px 10px; border: 0; border-radius: 8px; background: var(--accent-tint); color: var(--text-accent); font-weight: 700; font-size: 13px; }
.ui-toast .x { flex: none; min-height: 0; padding: 2px 6px; border: 0; background: transparent; color: var(--text-muted); font-size: 16px; }
.ui-toast .bar { position: absolute; left: 0; bottom: 0; height: 2px; background: var(--accent); animation: ui-bar var(--d, 3.5s) linear forwards; }
.ui-toast.out { animation: ui-out .2s ease forwards; }
@keyframes ui-in  { from { opacity: 0; transform: translateY(14px) scale(.97); } }
@keyframes ui-out { to { opacity: 0; transform: translateY(8px) scale(.98); } }
@keyframes ui-bar { from { width: 100%; } to { width: 0; } }

/* ---------- กล่องยืนยัน ---------- */
.ui-modal-bg { position: fixed; inset: 0; z-index: 2147483100; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(0, 0, 0, .5); animation: ui-fade .18s ease; }
.ui-modal { width: min(100%, 380px); background: var(--surface-1); color: var(--text-primary); border: .5px solid var(--border-strong); border-radius: 18px; padding: 20px; box-shadow: 0 24px 60px rgba(0, 0, 0, .5); animation: ui-in .24s cubic-bezier(.22, 1, .36, 1); }
.ui-modal h4 { margin: 0 0 6px; font-size: 15px; }
.ui-modal p { margin: 0 0 16px; font-size: 13px; color: var(--text-secondary); white-space: pre-line; line-height: 1.55; }
.ui-modal .row { display: flex; gap: 8px; justify-content: flex-end; }
.ui-modal .row button { min-height: 38px; padding: 0 16px; font-size: 13px; }
.ui-modal .danger { background: #dc2626; color: #fff; border: none; border-radius: 999px; font-weight: 600; }
@keyframes ui-fade { from { opacity: 0; } }

/* ---------- ปุ่มลัดช่วงวันที่ ---------- */
.ui-chips { display: flex; gap: 6px; overflow-x: auto; margin: 0 0 8px; padding: 1px 0 3px; scrollbar-width: none; align-items: center; }
.ui-chips::-webkit-scrollbar { display: none; }
.ui-chips .lbl { flex: none; font-size: 11px; color: var(--text-muted); margin-right: 2px; }
.ui-chip { flex: none; min-height: 0; height: 26px; padding: 0 11px; border-radius: 999px; font-size: 12px; background: var(--surface-1); border: .5px solid var(--border-strong); color: var(--text-secondary); }
.ui-chip.on { background: var(--accent-tint); border-color: var(--accent); color: var(--text-accent); font-weight: 600; }

/* ---------- โครงเทาตอนโหลด ---------- */
@keyframes ui-shim { to { background-position: -200% 0; } }
.ui-skel-bar { height: 12px; border-radius: 6px; background: linear-gradient(90deg, var(--fill-ghost-hover) 25%, var(--fill-ghost-selected) 50%, var(--fill-ghost-hover) 75%); background-size: 200% 100%; animation: ui-shim 1.3s linear infinite; }
.ui-skel-row td { padding: 14px 10px; }
.ui-skel-card { margin-bottom: 8px; display: flex; flex-direction: column; gap: 9px; }

/* ---------- หน้าว่างที่ชวนทำต่อ ---------- */
.ui-empty { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 30px 12px; text-align: center; color: var(--text-muted); }
.ui-empty .big { width: 56px; height: 56px; border-radius: 16px; background: var(--accent-tint); color: var(--text-accent); display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 4px; }
.ui-empty .t { font-size: 13px; color: var(--text-secondary); }
.ui-empty button { margin-top: 8px; }

/* ---------- เตือนปีผิด ---------- */
.ui-warn { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 6px; padding: 7px 10px; border-radius: 10px; background: rgba(217, 119, 6, .14); color: #b45309; font-size: 12px; line-height: 1.4; }
[data-theme="dark"] .ui-warn { background: rgba(251, 191, 36, .16); color: #fcd34d; }
.ui-warn button { min-height: 0; height: 24px; padding: 0 10px; font-size: 12px; border-radius: 999px; background: transparent; border: .5px solid currentColor; color: inherit; font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  .ui-toast, .ui-modal, .ui-modal-bg, .ui-skel-bar { animation: none !important; }
  .ui-toast .bar { animation-duration: 0s !important; }
}

/* ---------- ส่งออก PDF บนมือถือ (แชร์/บันทึกลงไฟล์) ---------- */
.ui-pdf { margin-top: 2px; }
.ui-pdf-st { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-secondary); padding: 6px 2px; }
.ui-pdf-ok { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.ui-pdf-ok > i { font-size: 26px; color: #22c55e; flex: none; }
.ui-pdf-ok b { display: block; font-size: 14px; }
.ui-pdf-ok span { display: block; font-size: 11px; color: var(--text-secondary); word-break: break-all; }
.ui-pdf-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.ui-pdf-btns button { flex: 1 1 auto; min-height: 42px; font-size: 13px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.ui-pdf-btns button[data-a="share"] { flex-basis: 100%; min-height: 46px; font-size: 14px; }
.ui-pdf-hint { font-size: 11px; color: var(--text-secondary); margin: 8px 0 0; line-height: 1.55; }
.ui-pdf-err { font-size: 12px; color: var(--text-danger); margin: 0 0 8px; }