:root {
  --space-xs: 4px; --space-sm: 8px; --space-md: 16px; --space-lg: 24px;
  --space-xl: 32px; --space-2xl: 48px; --space-3xl: 64px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  --color-bg: #FAFAFA; --color-surface: #FFFFFF; --color-border: #E5E5E5;
  --color-accent: #2563EB; --color-destructive: #DC2626;
  --color-text: #18181B; --color-text-secondary: #71717A;
  --status-pending-text: #B45309; --status-done-text: #15803D;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}
[data-theme="dark"] {
  --color-bg: #0A0A0B; --color-surface: #17171A; --color-border: #27272A;
  --color-accent: #3B82F6; --color-destructive: #F87171;
  --color-text: #FAFAFA; --color-text-secondary: #A1A1AA;
  --status-pending-text: #FBBF24; --status-done-text: #4ADE80;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font-sans); background: var(--color-bg); color: var(--color-text);
  font-size: 16px; line-height: 1.5;
  transition: background-color 200ms var(--ease-out), color 200ms var(--ease-out);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}
h1 { font-size: 28px; font-weight: 600; line-height: 1.2; }
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: var(--space-lg); }
.login-form {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px;
  padding: var(--space-lg); display: flex; flex-direction: column; gap: var(--space-sm); width: 100%; max-width: 360px;
}
.login-form label { font-size: 14px; color: var(--color-text-secondary); }
.login-form input {
  min-height: 44px; padding: var(--space-sm); border: 1px solid var(--color-border); border-radius: 6px;
  background: var(--color-bg); color: var(--color-text); font-size: 16px;
}
.login-form input { transition: border-color 160ms var(--ease-out); }
.login-form input:focus-visible { border-color: var(--color-accent); }
.login-form button {
  min-height: 44px; margin-top: var(--space-sm); background: var(--color-accent); color: #fff;
  border: none; border-radius: 6px; font-size: 16px; font-weight: 600; cursor: pointer;
  transition: transform 160ms var(--ease-out), opacity 160ms var(--ease-out);
}
.login-form button:hover { opacity: 0.92; }
.login-form button:active { transform: scale(0.97); }
.login-form input:focus-visible, .login-form button:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.form-error { color: var(--color-destructive); font-size: 14px; }
.page-header { display: flex; justify-content: space-between; align-items: center; padding: var(--space-lg) var(--space-xl); }
.header-actions { display: flex; align-items: center; gap: var(--space-sm); }
.icon-btn {
  min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center;
  background: none; border: none; color: var(--color-text-secondary); cursor: pointer; border-radius: 6px;
  transition: color 160ms var(--ease-out), background-color 160ms var(--ease-out), transform 160ms var(--ease-out);
}
.icon-btn:hover { color: var(--color-text); background: var(--color-border); }
.icon-btn:active { transform: scale(0.93); }
.icon-btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.btn-logout {
  min-height: 44px; display: inline-flex; align-items: center; color: var(--color-text-secondary);
  text-decoration: none; padding: 0 var(--space-sm); border-radius: 6px;
  transition: color 160ms var(--ease-out);
}
.btn-logout:hover { color: var(--color-text); }
.filter-tabs {
  display: inline-flex; gap: 2px; margin: 0 var(--space-xl) var(--space-lg);
  padding: 3px; background: var(--color-border); border-radius: 9px; max-width: calc(100% - var(--space-xl) * 2);
  overflow-x: auto;
}
.filter-tab {
  min-height: 44px; padding: 0 var(--space-md); background: none; border: none; border-radius: 6px;
  font-size: 14px; color: var(--color-text-secondary); cursor: pointer; white-space: nowrap;
  transition: background-color 160ms var(--ease-out), color 160ms var(--ease-out), transform 160ms var(--ease-out);
}
.filter-tab:active { transform: scale(0.96); }
.filter-tab.active { background: var(--color-surface); color: var(--color-text); font-weight: 600; }
.card-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-xl); padding: 0 var(--space-xl) var(--space-2xl); }
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); } }
.card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px; overflow: hidden; cursor: pointer;
  transition: border-color 160ms var(--ease-out), transform 160ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .card:hover { border-color: var(--color-text-secondary); transform: translateY(-2px); }
}
.card-thumb { width: 100%; aspect-ratio: 4/3; object-fit: cover; object-position: bottom; display: block; }
.card-body { padding: var(--space-md); display: flex; flex-direction: column; gap: var(--space-sm); }
.upi-id { font-family: var(--font-mono); font-size: 16px; display: flex; align-items: center; gap: var(--space-xs); margin: 0; position: relative; }
.copy-confirm { font-size: 14px; color: var(--color-accent); opacity: 0; transition: opacity 160ms var(--ease-out); }
.copy-confirm.is-visible { opacity: 1; }
.status-badge { display: inline-flex; align-items: center; gap: 6px; width: fit-content; font-size: 14px; color: var(--color-text-secondary); }
.status-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex-shrink: 0; }
.status-badge.status-pending { color: var(--status-pending-text); }
.status-badge.status-done { color: var(--status-done-text); }
.card-time { font-size: 14px; color: var(--color-text-secondary); }
.btn-mark-done {
  min-height: 44px; background: var(--color-accent); color: #fff; border: none; border-radius: 6px;
  font-size: 16px; font-weight: 600; cursor: pointer;
  transition: transform 160ms var(--ease-out), opacity 160ms var(--ease-out);
}
.btn-mark-done:hover { opacity: 0.92; }
.btn-mark-done:active { transform: scale(0.97); }
.empty-state {
  text-align: center; padding: var(--space-3xl) var(--space-xl); color: var(--color-text-secondary);
}
.card-dialog {
  position: relative; border: none; border-radius: 8px; padding: var(--space-md);
  background: var(--color-surface); color: var(--color-text); max-width: 380px; width: 85vw;
}
.card-dialog::backdrop { background: rgba(0, 0, 0, 0.5); }
@media (max-width: 639px) {
  .card-dialog { width: 92vw; max-width: 340px; height: auto; max-height: 88vh; overflow-y: auto; margin: auto; border-radius: 8px; }
}
.dialog-header { display: flex; justify-content: flex-end; gap: var(--space-xs); margin-bottom: var(--space-sm); }
.dialog-header .dialog-delete { margin-right: auto; }
.dialog-delete:hover { color: var(--color-destructive); background: var(--color-border); }
.dialog-image { width: 100%; max-height: 200px; object-fit: cover; object-position: bottom; border-radius: 6px; margin-bottom: var(--space-md); cursor: zoom-in; }
.image-overlay {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.85);
  display: flex; align-items: center; justify-content: center; padding: var(--space-lg); cursor: zoom-out;
}
.image-overlay img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 8px; cursor: default; }
.agent-name { font-size: 18px; font-weight: 600; margin: 0 0 var(--space-md); }
.dialog-fields { display: flex; flex-direction: column; gap: var(--space-sm); margin-bottom: var(--space-md); }
.field-row { display: grid; grid-template-columns: 90px 1fr; align-items: center; gap: var(--space-sm); }
.field-label { font-size: 14px; color: var(--color-text-secondary); }
.field-value { font-size: 16px; }
.card-dialog .btn-mark-done { margin-top: var(--space-md); width: 100%; }
.filter-tab:focus-visible, .btn-mark-done:focus-visible, .btn-logout:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.copy-btn:hover { color: var(--color-accent); }
.filter-tab { display: inline-flex; align-items: center; gap: 6px; }

.field-row.is-editing { grid-template-columns: 1fr 1fr auto; }
.field-row .edit-input {
  min-height: 36px; padding: 0 var(--space-sm); border: 1px solid var(--color-border); border-radius: 6px;
  background: var(--color-bg); color: var(--color-text); font-size: 14px; width: 100%;
  transition: border-color 160ms var(--ease-out);
}
.field-row .edit-input:focus-visible { outline: none; border-color: var(--color-accent); }
.remove-field-btn {
  min-width: 28px; min-height: 28px; display: inline-flex; align-items: center; justify-content: center;
  background: none; border: none; color: var(--color-text-secondary); font-size: 18px; line-height: 1; cursor: pointer;
  border-radius: 6px; transition: color 160ms var(--ease-out), background-color 160ms var(--ease-out);
}
.remove-field-btn:hover { color: var(--color-destructive); background: var(--color-border); }
.add-field-row-btn {
  min-height: 36px; background: none; border: 1px dashed var(--color-border); border-radius: 6px;
  color: var(--color-text-secondary); font-size: 14px; cursor: pointer;
  transition: border-color 160ms var(--ease-out), color 160ms var(--ease-out);
}
.add-field-row-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.tab-badge {
  display: inline-flex; align-items: center; justify-content: center; min-width: 18px; height: 18px;
  padding: 0 5px; border-radius: 999px; background: var(--color-accent); color: #fff; font-size: 11px; font-weight: 600;
}
.tab-badge:empty { display: none; }