/* ui.css — shared by the payment screen, history and admin: modals, forms, buttons, badges, maintenance. */

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ─── Buttons ─── */
.ui-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 16px; border-radius: 10px; border: 1.5px solid var(--border-strong); background: #fff; color: var(--text);
  font: inherit; font-size: 0.88rem; font-weight: 600; cursor: pointer; transition: background .15s, border-color .15s, color .15s, transform .05s;
  text-decoration: none; line-height: 1.2;
}
.ui-btn:hover:not(:disabled) { background: #f8fafc; }
.ui-btn:active:not(:disabled) { transform: translateY(1px); }
.ui-btn:disabled { opacity: .55; cursor: not-allowed; }
.ui-btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.ui-btn.primary:hover:not(:disabled) { background: var(--primary-dark); border-color: var(--primary-dark); }
.ui-btn.danger { color: var(--danger); border-color: #fecaca; background: #fff; }
.ui-btn.danger:hover:not(:disabled) { background: var(--danger-bg); }
.ui-btn.danger.solid { background: var(--danger); border-color: var(--danger); color: #fff; }
.ui-btn.ghost { border-color: transparent; background: transparent; color: var(--text-2); }
.ui-btn.ghost:hover:not(:disabled) { background: #f1f5f9; }
.ui-btn.sm { padding: 6px 11px; font-size: 0.8rem; border-radius: 8px; }
.ui-btn:focus-visible, .ui-input:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ─── Forms ─── */
.ui-field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.ui-field > label, .ui-label { font-size: 0.78rem; font-weight: 600; color: var(--text-2); letter-spacing: .01em; }
.ui-hint { font-size: 0.75rem; color: var(--text-3); line-height: 1.4; }
.ui-input, .ui-select, .ui-textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border-strong); border-radius: 10px; background: #fff; color: var(--text);
  font: inherit; font-size: 0.92rem; outline: none; transition: border-color .15s, box-shadow .15s;
}
.ui-textarea { min-height: 110px; resize: vertical; font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: 0.82rem; line-height: 1.5; }
.ui-input:focus, .ui-select:focus, .ui-textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.ui-input.invalid, .ui-textarea.invalid { border-color: var(--danger); box-shadow: 0 0 0 3px var(--danger-bg); }
.ui-row { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.ui-pw-wrap { position: relative; }
.ui-pw-wrap .ui-input { padding-right: 64px; }
.ui-pw-toggle { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); border: 0; background: transparent; color: var(--primary); font-size: 0.78rem; font-weight: 700; padding: 6px 8px; cursor: pointer; border-radius: 6px; }
.ui-error { background: var(--danger-bg); color: #b91c1c; border: 1px solid #fecaca; border-radius: 10px; padding: 9px 12px; font-size: 0.85rem; margin-bottom: 12px; }
.ui-ok { background: var(--success-bg); color: var(--success-dark); border: 1px solid #a7f3d0; border-radius: 10px; padding: 9px 12px; font-size: 0.85rem; margin-bottom: 12px; }
.ui-meter { height: 4px; border-radius: 4px; background: #e5e7eb; overflow: hidden; margin-top: 6px; }
.ui-meter > i { display: block; height: 100%; width: 0; background: var(--danger); transition: width .2s, background .2s; }

/* toggle switch */
.ui-switch { position: relative; display: inline-block; width: 44px; height: 26px; flex-shrink: 0; }
.ui-switch input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; cursor: pointer; margin: 0; z-index: 1; }
.ui-switch span { position: absolute; inset: 0; background: #cbd5e1; border-radius: 999px; transition: background .2s; }
.ui-switch span::after { content: ''; position: absolute; left: 3px; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.25); transition: transform .2s; }
.ui-switch input:checked + span { background: var(--success); }
.ui-switch input:checked + span::after { transform: translateX(18px); }
.ui-switch input:focus-visible + span { outline: 2px solid var(--primary); outline-offset: 2px; }

/* badges */
.ui-badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 0.7rem; font-weight: 700; text-transform: capitalize; background: #f1f5f9; color: var(--text-2); white-space: nowrap; }
.ui-badge.ok { background: var(--success-bg); color: var(--success-dark); }
.ui-badge.warn { background: var(--warning-bg); color: #b45309; }
.ui-badge.bad { background: var(--danger-bg); color: #b91c1c; }
.ui-badge.info { background: var(--primary-light); color: var(--primary-dark); }

/* ─── Modal ─── */
.ui-backdrop {
  position: fixed; inset: 0; z-index: 300; background: rgba(15,23,42,.55); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; padding: 16px; opacity: 0; transition: opacity .18s;
}
.ui-backdrop.in { opacity: 1; }
.ui-modal {
  width: 100%; max-width: 440px; max-height: calc(100vh - 32px); overflow: auto; background: #fff; border-radius: 18px;
  box-shadow: var(--shadow-lg); transform: translateY(12px) scale(.98); transition: transform .18s;
}
.ui-backdrop.in .ui-modal { transform: none; }
.ui-modal.wide { max-width: 640px; }
.ui-modal-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 18px 20px 4px; }
.ui-modal-head h3 { font-size: 1.05rem; letter-spacing: -.01em; }
.ui-modal-x { border: 0; background: transparent; font-size: 1.5rem; line-height: 1; color: var(--text-3); cursor: pointer; padding: 2px 8px; border-radius: 8px; }
.ui-modal-x:hover { background: #f1f5f9; color: var(--text); }
.ui-modal-body { padding: 10px 20px 4px; }
.ui-modal-body > p { color: var(--text-2); font-size: 0.88rem; margin-bottom: 14px; }
.ui-modal-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px 18px; }

/* ─── Maintenance (overlay + banner) — never reloads the page ─── */
.mx-overlay {
  position: fixed; inset: 0; z-index: 250; display: flex; align-items: center; justify-content: center; padding: 20px;
  background: radial-gradient(1200px 600px at 20% 0%, #312e81 0%, transparent 60%), radial-gradient(900px 500px at 100% 100%, #581c87 0%, transparent 55%), #0f172a;
  color: #fff; opacity: 0; transition: opacity .25s;
}
.mx-overlay.in { opacity: 1; }
.mx-card { max-width: 420px; width: 100%; text-align: center; }
.mx-icon { width: 76px; height: 76px; margin: 0 auto 20px; border-radius: 22px; display: grid; place-items: center; font-size: 2.2rem; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); position: relative; }
.mx-icon::after { content: ''; position: absolute; inset: -1px; border-radius: 22px; border: 2px solid rgba(251,191,36,.7); animation: mxring 2.2s ease-out infinite; }
@keyframes mxring { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(1.35); opacity: 0; } }
.mx-title { font-size: 1.6rem; font-weight: 800; letter-spacing: -.02em; margin-bottom: 8px; }
.mx-reason { color: rgba(255,255,255,.82); font-size: 1rem; line-height: 1.5; margin-bottom: 22px; word-break: break-word; }
.mx-status { font-size: .82rem; color: rgba(255,255,255,.65); margin-bottom: 16px; min-height: 1.2em; }
.mx-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.mx-actions .ui-btn { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.25); color: #fff; }
.mx-actions .ui-btn:hover:not(:disabled) { background: rgba(255,255,255,.2); }
.mx-banner { position: sticky; top: 57px; z-index: 40; padding: 10px 16px; font-size: .84rem; font-weight: 600; text-align: center; background: #fef3c7; color: #92400e; border-bottom: 1px solid #fde68a; }
.mx-banner.owner { background: #ede9fe; color: #5b21b6; border-color: #ddd6fe; }

@media (prefers-reduced-motion: reduce) { .mx-icon::after { animation: none; } .ui-modal, .ui-backdrop { transition: none; } }