/* Theme: light by default, dark via data-theme="dark" or the system setting unless data-theme="light". */
:root {
  color-scheme: light;
  --page: #f7f8f5;
  --surface: #ffffff;
  --ink: #202621;
  --muted: #697269;
  --muted-strong: #5b635b;
  --line: #e4e8e2;
  --primary: #245d46;
  --primary-hover: #174532;
  --on-primary: #ffffff;
  --green: #2c7555;
  --green-bg: #eaf5ee;
  --amber: #9a6100;
  --amber-bg: #fff4da;
  --red: #b33b37;
  --red-bg: #fff0ee;
  --on-danger: #ffffff;
  --danger-hover: #8d2927;
  --paid: #566d61;
  --paid-bg: #edf3ee;
  --paid-surface: #fcfdfc;
  --overdue-ink: #8d2927;
  --overdue-border: #f1c7c3;
  --today-ink: #74490a;
  --today-border: #efd9a4;
  --field-bg: #ffffff;
  --field-border: #cbd4ca;
  --field-border-hover: #aebbae;
  --placeholder: #8b948b;
  --faint: #a7b0a7;
  --disabled-ink: #cad1ca;
  --soft-bg: #f7f9f7;
  --subtle-bg: #f0f3ef;
  --subtle-bg-hover: #e2e9e2;
  --option-active: #f0f5f1;
  --hover-bg: #f8faf8;
  --hover-border: #bcc7bc;
  --accent-border: #bad7c6;
  --tag-dashed: #b7c1b7;
  --hover-tint: rgba(36, 93, 70, 0.1);
  --neutral-tint: rgba(0, 0, 0, 0.06);
  --focus-ring: rgba(36, 93, 70, 0.5);
  --focus-glow: rgba(36, 93, 70, 0.13);
  --tooltip-bg: #1f2a22;
  --tooltip-ink: #ffffff;
  --snackbar-bg: #1f2a22;
  --snackbar-ink: #f0f3ef;
  --snackbar-action: #9fe0bd;
  --snackbar-hover: rgba(255, 255, 255, 0.1);
  --scrim: rgba(23, 38, 28, 0.22);
  --backdrop: rgba(23, 38, 28, 0.38);
  --shadow: 0 5px 18px rgba(31, 45, 35, 0.07);
  --on-accent: #ffffff;
  --accent-emerald: #1f7a55;
  --accent-sky: #1f6fa8;
  --accent-violet: #6a4fb0;
  --accent-rose: #b03a5b;
  --accent-amber: #9a5b00;
  --accent-slate: #4f5d6b;
  --accent-teal: #137a7a;
  --accent-indigo: #3f51b5;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #121714;
  --surface: #1b221e;
  --ink: #e6ebe7;
  --muted: #a3ada5;
  --muted-strong: #b8c2ba;
  --line: #2e3831;
  --primary: #6cc79b;
  --primary-hover: #8ad8b1;
  --on-primary: #0d1a13;
  --green: #6cc79b;
  --green-bg: #1d3328;
  --amber: #e8b75a;
  --amber-bg: #3a2d12;
  --red: #f08a84;
  --red-bg: #3d1f1d;
  --on-danger: #1f0d0c;
  --danger-hover: #f5a39e;
  --paid: #9db3a6;
  --paid-bg: #243029;
  --paid-surface: #19201c;
  --overdue-ink: #ffb4ae;
  --overdue-border: #6b3431;
  --today-ink: #f5cd7e;
  --today-border: #5f4a1c;
  --field-bg: #151b18;
  --field-border: #3a463e;
  --field-border-hover: #536158;
  --placeholder: #7f8a82;
  --faint: #5f6b63;
  --disabled-ink: #465049;
  --soft-bg: #212a25;
  --subtle-bg: #26302a;
  --subtle-bg-hover: #303b34;
  --option-active: #25312a;
  --hover-bg: #222b26;
  --hover-border: #4a574e;
  --accent-border: #3f6b55;
  --tag-dashed: #56625a;
  --hover-tint: rgba(108, 199, 155, 0.14);
  --neutral-tint: rgba(255, 255, 255, 0.08);
  --focus-ring: rgba(108, 199, 155, 0.65);
  --focus-glow: rgba(108, 199, 155, 0.2);
  --tooltip-bg: #e6ebe7;
  --tooltip-ink: #121714;
  --snackbar-bg: #e6ebe7;
  --snackbar-ink: #1b221e;
  --snackbar-action: #1f6b4a;
  --snackbar-hover: rgba(0, 0, 0, 0.08);
  --scrim: rgba(0, 0, 0, 0.45);
  --backdrop: rgba(0, 0, 0, 0.6);
  --shadow: 0 5px 18px rgba(0, 0, 0, 0.35);
  --on-accent: #10161a;
  --accent-emerald: #6cc79b;
  --accent-sky: #7cb8e8;
  --accent-violet: #b4a0f0;
  --accent-rose: #f09ab2;
  --accent-amber: #e8b75a;
  --accent-slate: #a9b6c3;
  --accent-teal: #6fd0cc;
  --accent-indigo: #9fa8f0;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #121714;
    --surface: #1b221e;
    --ink: #e6ebe7;
    --muted: #a3ada5;
    --muted-strong: #b8c2ba;
    --line: #2e3831;
    --primary: #6cc79b;
    --primary-hover: #8ad8b1;
    --on-primary: #0d1a13;
    --green: #6cc79b;
    --green-bg: #1d3328;
    --amber: #e8b75a;
    --amber-bg: #3a2d12;
    --red: #f08a84;
    --red-bg: #3d1f1d;
    --on-danger: #1f0d0c;
    --danger-hover: #f5a39e;
    --paid: #9db3a6;
    --paid-bg: #243029;
    --paid-surface: #19201c;
    --overdue-ink: #ffb4ae;
    --overdue-border: #6b3431;
    --today-ink: #f5cd7e;
    --today-border: #5f4a1c;
    --field-bg: #151b18;
    --field-border: #3a463e;
    --field-border-hover: #536158;
    --placeholder: #7f8a82;
    --faint: #5f6b63;
    --disabled-ink: #465049;
    --soft-bg: #212a25;
    --subtle-bg: #26302a;
    --subtle-bg-hover: #303b34;
    --option-active: #25312a;
    --hover-bg: #222b26;
    --hover-border: #4a574e;
    --accent-border: #3f6b55;
    --tag-dashed: #56625a;
    --hover-tint: rgba(108, 199, 155, 0.14);
    --neutral-tint: rgba(255, 255, 255, 0.08);
    --focus-ring: rgba(108, 199, 155, 0.65);
    --focus-glow: rgba(108, 199, 155, 0.2);
    --tooltip-bg: #e6ebe7;
    --tooltip-ink: #121714;
    --snackbar-bg: #e6ebe7;
    --snackbar-ink: #1b221e;
    --snackbar-action: #1f6b4a;
    --snackbar-hover: rgba(0, 0, 0, 0.08);
    --scrim: rgba(0, 0, 0, 0.45);
    --backdrop: rgba(0, 0, 0, 0.6);
    --shadow: 0 5px 18px rgba(0, 0, 0, 0.35);
    --on-accent: #10161a;
    --accent-emerald: #6cc79b;
    --accent-sky: #7cb8e8;
    --accent-violet: #b4a0f0;
    --accent-rose: #f09ab2;
    --accent-amber: #e8b75a;
    --accent-slate: #a9b6c3;
    --accent-teal: #6fd0cc;
    --accent-indigo: #9fa8f0;
  }
}

/* Card identity colors (palette keys stored on each card). */
.accent-emerald { --card-accent: var(--accent-emerald); }
.accent-sky { --card-accent: var(--accent-sky); }
.accent-violet { --card-accent: var(--accent-violet); }
.accent-rose { --card-accent: var(--accent-rose); }
.accent-amber { --card-accent: var(--accent-amber); }
.accent-slate { --card-accent: var(--accent-slate); }
.accent-teal { --card-accent: var(--accent-teal); }
.accent-indigo { --card-accent: var(--accent-indigo); }

* { box-sizing: border-box; }

body {
  min-width: 320px;
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, input, select { font: inherit; }
button { cursor: pointer; }

.app-shell {
  width: min(100% - 32px, 600px);
  margin: 0 auto;
  padding: 40px 0 112px;
}

.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 5px; font-size: clamp(2rem, 7vw, 2.55rem); line-height: 1; letter-spacing: -0.055em; }
h2 { margin-bottom: 0; font-size: 1.1rem; letter-spacing: -0.025em; }
.header-copy { margin-bottom: 0; color: var(--muted); font-size: 0.94rem; }

.button {
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 9px 14px;
  font-weight: 700;
  transition: background-color 0.22s ease, border-color 0.22s ease, color 0.22s ease, transform 0.15s ease, box-shadow 0.22s ease;
}

.button:active, .icon-button:active { transform: scale(0.96); }
.button-primary { background: var(--primary); color: var(--on-primary); box-shadow: 0 2px 5px rgba(36, 93, 70, 0.17); }
.button-primary:hover { background: var(--primary-hover); }
.button-secondary { border-color: var(--line); background: var(--surface); color: var(--ink); }
.button-secondary:hover { border-color: var(--hover-border); background: var(--hover-bg); }
.button-danger { background: var(--red); color: var(--on-danger); box-shadow: 0 2px 5px rgba(179, 59, 55, 0.17); }
.button-danger:hover { background: var(--danger-hover); }

.fab-scrim {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: var(--scrim);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0s linear 0.2s;
}
.fab-scrim.visible { opacity: 1; visibility: visible; transition-delay: 0s; }
.fab {
  position: fixed;
  right: calc(20px + env(safe-area-inset-right, 0px));
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  z-index: 21;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  pointer-events: none;
}
/* The closed menu still takes up space above the button; only visible controls should catch clicks. */
.fab-toggle, .fab.open .fab-action { pointer-events: auto; }
.fab-menu { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; visibility: hidden; transition: visibility 0s linear 0.2s; }
.fab.open .fab-menu { visibility: visible; transition-delay: 0s; }
.fab-action {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 16px;
  background: var(--surface);
  color: var(--primary);
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 6px 18px rgba(31, 45, 35, 0.14);
  opacity: 0;
  transform: translateY(12px) scale(0.92);
  transform-origin: right center;
  transition: opacity 0.18s ease, transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}
.fab-action span { font-size: 1.15rem; line-height: 0; vertical-align: -1px; }
.fab-action:hover { border-color: var(--accent-border); background: var(--green-bg); }
.fab-action:active { transform: scale(0.96); }
.fab.open .fab-action { opacity: 1; transform: none; }
.fab.open .fab-action:first-child { transition-delay: 0.04s; }
.fab.open .fab-action:active { transform: scale(0.96); transition-delay: 0s; }
.fab-toggle {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  box-shadow: 0 8px 20px rgba(36, 93, 70, 0.32);
  transition: background-color 0.22s ease, transform 0.15s ease, box-shadow 0.22s ease;
}
.fab-toggle:hover { background: var(--primary-hover); }
.fab-toggle:active { transform: scale(0.94); }
.fab-toggle:focus-visible, .fab-action:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 3px; }
.fab-icon { display: block; width: 24px; height: 24px; transform-origin: center; transition: transform 0.22s ease; }
.fab.open .fab-icon { transform: rotate(45deg); }

.summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  overflow: hidden;
  margin-bottom: 34px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line);
  box-shadow: var(--shadow);
}
.summary-item { min-width: 0; padding: 16px 18px; background: var(--surface); }
.summary-label { display: block; margin-bottom: 4px; color: var(--muted); font-size: 0.75rem; font-weight: 650; }
.summary strong { font-size: 1.22rem; letter-spacing: -0.035em; }
@media (min-width: 900px) {
  .summary { grid-template-columns: repeat(4, 1fr); }
}
.next-due-button { display: block; width: 100%; margin: -4px -6px; border: 0; border-radius: 8px; padding: 4px 6px; color: inherit; background: transparent; text-align: left; box-sizing: content-box; transition: background-color 0.2s ease; }
.next-due-button:hover { background: var(--green-bg); }
.next-due-button:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 1px; }
.summary .next-due-name { display: block; overflow: hidden; font-size: 0.95rem; letter-spacing: -0.015em; text-overflow: ellipsis; white-space: nowrap; }
.summary-meta { display: block; margin-top: 2px; color: var(--muted); font-size: 0.78rem; font-weight: 600; }
.next-due-overdue .summary-meta { color: var(--red); }

.attention-region:empty { display: none; }
.attention-banner { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-bottom: 16px; border: 1px solid; border-radius: 12px; padding: 10px 10px 10px 14px; font-size: 0.88rem; font-weight: 650; }
.attention-banner svg { flex: 0 0 auto; }
.attention-overdue { border-color: var(--overdue-border); color: var(--overdue-ink); background: var(--red-bg); }
.attention-today { border-color: var(--today-border); color: var(--today-ink); background: var(--amber-bg); }
.attention-text { flex: 1 1 200px; margin: 0; }
.attention-actions { display: flex; gap: 2px; margin-left: auto; }
.attention-actions .text-action { color: inherit; }
.attention-actions .text-action:hover { background: var(--neutral-tint); }
.attention-actions .text-action:focus-visible { outline-color: currentColor; }
.group-heading:focus { outline: none; }
.group-heading:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 4px; border-radius: 4px; }

.section-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 13px; }
.card-count { color: var(--muted); font-size: 0.82rem; }
.card-list { display: grid; gap: 24px; }
.card-group { display: grid; gap: 10px; }
.card-group-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); align-items: start; gap: 12px; }
.group-heading { display: flex; align-items: center; gap: 8px; margin: 0; color: var(--muted); font-size: 0.8rem; font-weight: 750; letter-spacing: -0.005em; }
.group-heading::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.group-count { color: var(--placeholder); font-weight: 600; font-variant-numeric: tabular-nums; }
.card-group-overdue .group-heading { color: var(--red); }
.card-group-due-soon .group-heading { color: var(--amber); }

.credit-card {
  border: 1px solid var(--line);
  border-left: 4px solid var(--card-accent, var(--line));
  border-radius: 13px;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: border-color 0.25s ease, opacity 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.credit-card:hover { box-shadow: 0 8px 22px rgba(31, 45, 35, 0.1); }
.credit-card.status-paid { background: var(--paid-surface); }
.credit-card.removing { opacity: 0; transform: translateX(16px) scale(0.98); }
.credit-card:focus { outline: none; }
.credit-card:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.card-list .card-group .credit-card.is-highlighted { box-shadow: 0 0 0 3px var(--primary), 0 8px 22px rgba(31, 45, 35, 0.12); }

.card-content { padding: 17px 17px 14px; }
.card-topline, .card-bottomline, .card-details { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card-topline { margin-bottom: 18px; }
.card-identity { display: flex; align-items: center; gap: 10px; min-width: 0; }
.card-avatar { display: grid; flex: 0 0 auto; place-items: center; width: 32px; height: 32px; border-radius: 9px; color: var(--on-accent); background: var(--card-accent, var(--muted)); font-size: 0.9rem; font-weight: 800; }
.card-name { overflow-wrap: anywhere; font-size: 1.05rem; }
.status-badge { flex: 0 0 auto; border-radius: 999px; padding: 5px 9px; background: var(--green-bg); color: var(--green); font-size: 0.72rem; font-weight: 750; }
.status-due-soon .status-badge { background: var(--amber-bg); color: var(--amber); }
.status-overdue .status-badge { background: var(--red-bg); color: var(--red); }
.status-paid .status-badge { background: var(--paid-bg); color: var(--paid); }

.balance-label, .detail-label { color: var(--muted); font-size: 0.73rem; font-weight: 650; }
.balance { display: block; margin-top: 3px; font-size: 1.48rem; letter-spacing: -0.04em; }
.status-paid .balance { color: var(--paid); text-decoration: line-through; text-decoration-thickness: 1.5px; }
.card-details { justify-content: flex-start; gap: 24px; margin: 17px 0; }
.detail-value { display: block; margin-top: 2px; font-size: 0.88rem; font-weight: 650; }
.card-bottomline { border-top: 1px solid var(--line); padding-top: 13px; }
.min-payment { color: var(--muted); font-size: 0.8rem; }
.card-actions { display: flex; gap: 2px; margin-right: -6px; }
.icon-action { --tip-x: -50%; position: relative; display: grid; place-items: center; width: 36px; height: 36px; border: 0; border-radius: 50%; padding: 0; color: var(--muted); background: transparent; -webkit-tap-highlight-color: transparent; -webkit-touch-callout: none; user-select: none; transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease; }
.icon-action svg { display: block; }
.icon-action:active { transform: scale(0.9); }
.icon-action:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 1px; }
.pay-action { color: var(--primary); }
.delete-action { color: var(--red); }
.icon-fill, .icon-check { transition: fill 0.2s ease, stroke 0.2s ease; }
.pay-action.is-paid .icon-fill { fill: var(--green); stroke: var(--green); }
.pay-action.is-paid .icon-check { stroke: var(--on-primary); }
@media (hover: hover) {
  .edit-action:hover { color: var(--ink); background: var(--subtle-bg); }
  .pay-action:hover { background: var(--green-bg); }
  .delete-action:hover { background: var(--red-bg); }
}

.icon-action::before, .icon-action::after { position: absolute; z-index: 5; pointer-events: none; opacity: 0; transition: opacity 0.15s ease, transform 0.15s ease; }
.icon-action::after { content: attr(data-tooltip); bottom: calc(100% + 8px); left: 50%; border-radius: 7px; padding: 5px 8px; color: var(--tooltip-ink); background: var(--tooltip-bg); font-size: 0.72rem; font-weight: 650; line-height: 1.2; white-space: nowrap; transform: translate(var(--tip-x), 4px); }
.icon-action::before { content: ""; bottom: calc(100% + 3px); left: 50%; border: 5px solid transparent; border-bottom-width: 0; border-top-color: var(--tooltip-bg); transform: translate(-50%, 4px); }
.card-actions .icon-action:last-child { --tip-x: 0; }
.card-actions .icon-action:last-child::after { left: auto; right: 0; }
.icon-action:focus-visible::before, .icon-action:focus-visible::after, .icon-action.tooltip-visible::before, .icon-action.tooltip-visible::after { opacity: 1; transform: translate(-50%, 0); }
.icon-action:focus-visible::after, .icon-action.tooltip-visible::after { transform: translate(var(--tip-x), 0); }
@media (hover: hover) {
  .icon-action:hover::before, .icon-action:hover::after { opacity: 1; transform: translate(-50%, 0); transition-delay: 0.3s; }
  .icon-action:hover::after { transform: translate(var(--tip-x), 0); }
}
.statement-history { margin-top: 13px; border-top: 1px solid var(--line); padding-top: 12px; }
.statement-history summary { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: -4px -6px; border-radius: 7px; padding: 4px 6px; color: var(--primary); cursor: pointer; font-size: 0.8rem; font-weight: 700; list-style: none; user-select: none; transition: background-color 0.2s ease; }
.statement-history summary::-webkit-details-marker { display: none; }
.statement-history summary:hover { background: var(--green-bg); }
.statement-history summary:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 1px; }
.details-chevron { flex: 0 0 auto; transition: transform 0.24s ease; }
.statement-history[open]:not(.is-closing) .details-chevron { transform: rotate(180deg); }
.details-panel { overflow: visible; }
.statement-history.is-animating > .details-panel { overflow: hidden; }
.history-list { display: grid; gap: 8px; margin: 10px 0 0; padding: 0; list-style: none; }
.history-entry { display: grid; gap: 6px; padding: 9px 6px 9px 10px; border-radius: 8px; background: var(--soft-bg); font-size: 0.8rem; }
.history-main { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.history-text { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; min-width: 0; }
.history-dates { color: var(--muted); }
.history-side { display: flex; align-items: center; gap: 2px; }
.history-side strong { margin-right: 4px; white-space: nowrap; }
.history-entry.paid .history-side strong { color: var(--paid); text-decoration: line-through; }
.history-entry.carried-over .history-side strong { color: var(--muted); }
.history-tag { border-radius: 999px; padding: 2px 7px; background: var(--green-bg); color: var(--green); font-size: 0.68rem; font-weight: 750; white-space: nowrap; }
.history-tag-paid { background: var(--paid-bg); color: var(--paid); }
.history-tag-carried-over { border: 1px dashed var(--tag-dashed); padding: 1px 6px; background: transparent; color: var(--muted); }
.history-actions { display: flex; }
.history-actions .icon-action { width: 32px; height: 32px; }
.history-actions .icon-action svg { width: 17px; height: 17px; }
.history-actions .icon-action:last-child { --tip-x: 0; }
.history-actions .icon-action:last-child::after { left: auto; right: 0; }
.history-payments summary { display: inline-flex; align-items: center; gap: 4px; border-radius: 6px; padding: 2px 4px; margin-left: -4px; color: var(--primary); cursor: pointer; font-size: 0.75rem; font-weight: 700; list-style: none; }
.history-payments summary::-webkit-details-marker { display: none; }
.history-payments summary svg { width: 14px; height: 14px; transition: transform 0.2s ease; }
.history-payments[open] summary svg { transform: rotate(180deg); }
.history-payments summary:hover { background: var(--green-bg); }
.history-payments summary:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 1px; }
.payment-list { display: grid; gap: 4px; margin: 4px 0 0; padding: 0; list-style: none; }
.payment-entry { display: flex; align-items: center; justify-content: space-between; gap: 8px; border-top: 1px solid var(--line); padding-top: 4px; }
.payment-text { display: flex; flex-wrap: wrap; gap: 2px 8px; min-width: 0; color: var(--muted); }
.payment-text strong { color: var(--ink); white-space: nowrap; }
.payment-note { overflow-wrap: anywhere; }

.empty-state { padding: 45px 20px; border: 1px dashed var(--field-border); border-radius: 13px; text-align: center; color: var(--muted); }
.empty-state h3 { margin: 0 0 7px; color: var(--ink); font-size: 1rem; }
.empty-state p { margin-bottom: 18px; font-size: 0.9rem; }
.loading-state { margin: 0; padding: 45px 20px; text-align: center; color: var(--muted); font-size: 0.9rem; }
.fab-toggle:disabled { opacity: 0.6; cursor: default; box-shadow: none; }

.notices {
  position: fixed;
  right: 16px;
  bottom: calc(92px + env(safe-area-inset-bottom, 0px));
  left: 16px;
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}
.toast-region, .snackbar-region { display: flex; justify-content: center; width: 100%; }
.toast-region:empty, .snackbar-region:empty { display: none; }
.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  width: min(100%, 520px);
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  border-radius: 12px;
  padding: 12px 12px 12px 16px;
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 12px 32px rgba(18, 31, 23, 0.18);
  font-size: 0.88rem;
  pointer-events: auto;
}
.toast p { flex: 1; margin: 0; }
.toast-dismiss { flex: 0 0 auto; min-height: 36px; border: 0; border-radius: 8px; padding: 6px 10px; color: var(--primary); background: transparent; font-weight: 700; transition: background-color 0.2s ease; }
.toast-dismiss:hover { background: var(--green-bg); }
.toast-dismiss:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 1px; }
.snackbar {
  display: flex;
  align-items: center;
  gap: 12px;
  width: min(100%, 520px);
  border-radius: 12px;
  padding: 10px 10px 10px 16px;
  color: var(--snackbar-ink);
  background: var(--snackbar-bg);
  box-shadow: 0 12px 32px rgba(18, 31, 23, 0.24);
  font-size: 0.88rem;
  pointer-events: auto;
}
@starting-style { .snackbar { opacity: 0; transform: translateY(8px); } }
.snackbar { transition: opacity 0.2s ease, transform 0.2s ease; }
.snackbar-message { flex: 1; margin: 0; }
.snackbar-action { flex: 0 0 auto; min-height: 36px; border: 0; border-radius: 8px; padding: 6px 12px; color: var(--snackbar-action); background: transparent; font-weight: 750; transition: background-color 0.2s ease; }
.snackbar-action:hover { background: var(--snackbar-hover); }
.snackbar-action:focus-visible { outline: 2px solid var(--snackbar-action); outline-offset: 1px; }

.card-dialog {
  width: min(calc(100% - 28px), 520px);
  max-height: min(90vh, 650px);
  border: 0;
  border-radius: 16px;
  padding: 0;
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 22px 60px rgba(18, 31, 23, 0.22);
  opacity: 0;
  transform: translateY(10px) scale(0.98);
  transition: opacity 0.22s ease, transform 0.22s ease, overlay 0.22s ease allow-discrete, display 0.22s ease allow-discrete;
}
.card-dialog[open] { opacity: 1; transform: none; }
.card-dialog::backdrop { background: rgba(23, 38, 28, 0); transition: background-color 0.22s ease, overlay 0.22s ease allow-discrete, display 0.22s ease allow-discrete; }
.card-dialog[open]::backdrop { background: var(--backdrop); }
@starting-style { .card-dialog[open] { opacity: 0; transform: translateY(10px) scale(0.98); } .card-dialog[open]::backdrop { background: rgba(23, 38, 28, 0); } }

.card-dialog form { padding: 23px; }
.dialog-header { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.dialog-header h2 { font-size: 1.35rem; }
.icon-button { width: 34px; height: 34px; border: 0; border-radius: 50%; background: var(--subtle-bg); color: var(--ink); font-size: 1.45rem; line-height: 1; transition: background-color 0.2s ease, transform 0.15s ease; }
.icon-button:hover { background: var(--subtle-bg-hover); }
label { display: block; margin-bottom: 16px; font-size: 0.82rem; font-weight: 700; }
input, select { display: block; width: 100%; min-height: 43px; margin-top: 6px; border: 1px solid var(--field-border); border-radius: 9px; padding: 9px 10px; color: var(--ink); background: var(--field-bg); outline: none; font-size: 0.93rem; font-weight: 500; transition: border-color 0.2s ease, box-shadow 0.2s ease; }
input:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--focus-glow); }
.field { margin-bottom: 16px; font-size: 0.82rem; font-weight: 700; }
.field-label { display: block; cursor: default; }
.field-grid .field { min-width: 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }

.picker-trigger { display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; min-height: 43px; margin-top: 6px; border: 1px solid var(--field-border); border-radius: 9px; padding: 9px 10px; color: var(--ink); background: var(--field-bg); outline: none; font-size: 0.93rem; font-weight: 500; text-align: left; cursor: pointer; user-select: none; transition: border-color 0.2s ease, box-shadow 0.2s ease; }
.picker-trigger:hover { border-color: var(--field-border-hover); }
.picker-trigger:focus-visible, .picker-trigger[aria-expanded="true"] { border-color: var(--primary); box-shadow: 0 0 0 3px var(--focus-glow); }
.picker-trigger[aria-invalid="true"] { border-color: var(--red); box-shadow: 0 0 0 3px rgba(179, 59, 55, 0.12); }
.picker-trigger[aria-disabled="true"] { cursor: default; background: var(--soft-bg); }
.picker-value { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.picker-value.is-placeholder { color: var(--placeholder); }
.picker-icon { flex: 0 0 auto; color: var(--muted); transition: color 0.2s ease, transform 0.22s ease; }
.picker-trigger[aria-expanded="true"] .picker-icon { color: var(--primary); }
.picker-trigger[aria-expanded="true"] .picker-chevron { transform: rotate(180deg); }

.picker-popover { position: fixed; inset: auto; z-index: 60; margin: 0; overflow: auto; border: 1px solid var(--line); border-radius: 14px; padding: 12px; color: var(--ink); background: var(--surface); box-shadow: 0 16px 42px rgba(18, 31, 23, 0.18), 0 2px 6px rgba(18, 31, 23, 0.06); font-size: 0.9rem; font-weight: 500; transform-origin: top center; transition: opacity 0.16s ease, transform 0.18s ease; }
.picker-popover[data-placement="top"] { transform-origin: bottom center; }
.picker-popover:not(.is-open) { display: none; }
@starting-style { .picker-popover.is-open { opacity: 0; transform: translateY(-4px) scale(0.98); } }

.datepicker-panel { padding: 10px; }
.datepicker-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 2px; }
.datepicker-title { margin: 0; font-size: 0.95rem; font-weight: 750; letter-spacing: -0.015em; }
.datepicker-nav { display: grid; place-items: center; width: 34px; height: 34px; border: 0; border-radius: 50%; padding: 0; color: var(--ink); background: transparent; transition: background-color 0.2s ease, transform 0.15s ease; }
.datepicker-nav:hover:not(:disabled) { background: var(--subtle-bg); }
.datepicker-nav:active:not(:disabled) { transform: scale(0.92); }
.datepicker-nav:disabled { opacity: 0.3; cursor: default; }
.datepicker-grid { width: 100%; border-collapse: separate; border-spacing: 2px; table-layout: fixed; }
.datepicker-grid th { padding: 6px 0 4px; color: var(--muted); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.datepicker-grid td { height: 36px; border-radius: 10px; padding: 0; text-align: center; font-size: 0.85rem; font-weight: 600; font-variant-numeric: tabular-nums; cursor: pointer; outline: none; transition: background-color 0.15s ease, color 0.15s ease; }
.datepicker-grid td:hover { background: var(--green-bg); }
.datepicker-grid td.is-outside { color: var(--faint); font-weight: 500; }
.datepicker-grid td[aria-current="date"] { color: var(--primary); box-shadow: inset 0 0 0 1.5px var(--primary); }
.datepicker-grid td[aria-selected="true"] { color: var(--on-primary); background: var(--primary); box-shadow: 0 2px 6px rgba(36, 93, 70, 0.25); }
.datepicker-grid td[aria-disabled="true"] { color: var(--disabled-ink); background: transparent; box-shadow: none; cursor: not-allowed; }
.datepicker-grid td:focus-visible { box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--focus-ring); }
.datepicker-footer { display: flex; justify-content: space-between; margin-top: 6px; border-top: 1px solid var(--line); padding-top: 6px; }
.datepicker-action { border: 0; border-radius: 8px; padding: 7px 10px; color: var(--primary); background: transparent; font-size: 0.82rem; font-weight: 700; transition: background-color 0.2s ease; }
.datepicker-action:hover:not(:disabled) { background: var(--green-bg); }
.datepicker-action:disabled { opacity: 0.4; cursor: default; }
.datepicker-clear { color: var(--muted); }
.datepicker-clear:hover:not(:disabled) { background: var(--subtle-bg); }
.datepicker-nav:focus-visible, .datepicker-action:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 1px; }

.select-listbox { max-height: 280px; margin: 0; padding: 6px; list-style: none; }
.select-option { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-radius: 9px; padding: 9px 10px; cursor: pointer; transition: background-color 0.12s ease; }
.select-option + .select-option { margin-top: 2px; }
.select-option.is-active { background: var(--option-active); }
.select-option-text { min-width: 0; }
.select-option-title { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.9rem; font-weight: 700; }
.select-option-meta { display: block; margin-top: 2px; color: var(--muted); font-size: 0.76rem; font-weight: 500; letter-spacing: 0.04em; }
.select-option[aria-selected="true"] .select-option-title { color: var(--primary); }
.select-check { flex: 0 0 auto; color: var(--primary); opacity: 0; transform: scale(0.6); transition: opacity 0.15s ease, transform 0.15s ease; }
.select-option[aria-selected="true"] .select-check { opacity: 1; transform: none; }
.select-value-title { font-weight: 650; }
.select-value-meta { margin-left: 8px; color: var(--muted); font-size: 0.84rem; letter-spacing: 0.04em; }
.select-value .select-value-meta { margin-left: 0; }

.currency-input { position: relative; display: block; margin-top: 6px; }
.currency-input input { margin-top: 0; padding-left: 28px; font-variant-numeric: tabular-nums; }
.currency-prefix { position: absolute; top: 50%; left: 11px; color: var(--muted); font-size: 0.93rem; font-weight: 600; pointer-events: none; transform: translateY(-50%); transition: color 0.2s ease; }
.currency-input:focus-within .currency-prefix { color: var(--primary); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-grid label { min-width: 0; }
.optional { color: var(--muted); font-weight: 500; }
.form-error { margin: -3px 0 13px; color: var(--red); font-size: 0.82rem; }
.button:disabled { opacity: 0.55; cursor: not-allowed; box-shadow: none; }
.button-primary:disabled:hover { background: var(--primary); }
.field-hint { margin: -6px 0 13px; color: var(--muted); font-size: 0.8rem; font-weight: 500; }
.field-hint:empty { display: none; }
.field-warning { margin: -8px 0 16px; color: var(--amber); font-size: 0.8rem; font-weight: 650; }
.field-warning:empty { display: none; }
.statement-info { margin: -8px 0 16px; color: var(--muted); font-size: 0.8rem; }
.statement-info:empty { display: none; }
.amount-label { margin-bottom: 8px; }
.amount-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip { min-height: 32px; border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; color: var(--primary); background: var(--surface); font-size: 0.8rem; font-weight: 700; font-variant-numeric: tabular-nums; transition: background-color 0.2s ease, border-color 0.2s ease; }
.chip:hover { border-color: var(--accent-border); background: var(--green-bg); }
.chip:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 1px; }
.checkbox-field { margin-bottom: 16px; }
.checkbox-label { display: flex; align-items: center; gap: 10px; margin: 0; font-size: 0.88rem; font-weight: 650; cursor: pointer; }
.checkbox-label input { flex: 0 0 auto; width: 18px; height: 18px; min-height: 0; margin: 0; accent-color: var(--primary); box-shadow: none; cursor: pointer; }
.checkbox-label:has(input:disabled) { color: var(--muted); cursor: default; }
.checkbox-label input:disabled { cursor: default; }
.checkbox-label input:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.checkbox-field .field-hint { margin: 6px 0 0 28px; }
input[aria-invalid="true"] { border-color: var(--red); box-shadow: 0 0 0 3px rgba(179, 59, 55, 0.12); }
.cycle-fields { min-width: 0; margin: 2px 0 16px; border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px 2px; }
.cycle-fields > legend { margin-left: -6px; padding: 0 6px; font-size: 0.82rem; font-weight: 750; }
.due-rule { min-width: 0; margin: 0 0 12px; border: 0; padding: 0; }
.due-rule > legend { margin-bottom: 4px; padding: 0; font-size: 0.82rem; font-weight: 700; }
.rule-option { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 4px 0; }
.radio-label { display: flex; align-items: center; gap: 10px; margin: 0; font-size: 0.88rem; font-weight: 600; cursor: pointer; }
.radio-label input { flex: 0 0 auto; width: 18px; height: 18px; min-height: 0; margin: 0; accent-color: var(--primary); box-shadow: none; cursor: pointer; }
.radio-label input:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.rule-number { display: flex; flex: 0 0 auto; align-items: center; gap: 8px; margin: 0; color: var(--muted); font-size: 0.8rem; font-weight: 650; }
.rule-number input { width: 64px; min-height: 38px; margin: 0; padding: 7px 8px; text-align: center; }
.rule-number input:disabled { color: var(--muted); background: var(--soft-bg); cursor: not-allowed; }
.cycle-fields .field-hint { margin-top: -8px; }

.expected-row { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; margin: -5px 0 14px; border-radius: 9px; padding: 6px 6px 6px 12px; color: var(--ink); background: var(--green-bg); font-size: 0.82rem; font-weight: 650; }
.expected-text { flex: 1 1 auto; }
.text-action { min-height: 32px; border: 0; border-radius: 7px; padding: 4px 10px; color: var(--primary); background: transparent; font-size: 0.8rem; font-weight: 750; transition: background-color 0.2s ease; }
.text-action:hover { background: var(--hover-tint); }
.text-action:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 1px; }
.text-action-muted { color: var(--muted-strong); }
.credit-card.has-expected { border-top-color: var(--accent-border); border-right-color: var(--accent-border); border-bottom-color: var(--accent-border); box-shadow: 0 0 0 3px var(--green-bg), var(--shadow); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 6px; }
.danger-eyebrow { color: var(--red); }
.delete-dialog-message { margin-bottom: 10px; color: var(--ink); font-size: 0.94rem; }
.delete-warning { margin-bottom: 22px; color: var(--red); font-size: 0.84rem; font-weight: 650; }

.header-actions { display: flex; flex: 0 0 auto; align-items: center; gap: 8px; }
.header-add { display: none; align-items: center; gap: 6px; min-height: 40px; white-space: nowrap; }
.settings-button { display: grid; place-items: center; font-size: 1rem; }
.settings-button:focus-visible, .icon-button:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

.swatch-field { min-width: 0; margin: 0 0 16px; border: 0; padding: 0; }
.swatch-field > legend { margin-bottom: 8px; padding: 0; font-size: 0.82rem; font-weight: 700; }
.swatch-group { display: flex; flex-wrap: wrap; gap: 6px; }
.swatch { position: relative; display: grid; place-items: center; margin: 0; }
.swatch input { width: 30px; height: 30px; min-height: 0; margin: 0; border: 0; border-radius: 50%; background: var(--card-accent); box-shadow: none; cursor: pointer; appearance: none; -webkit-appearance: none; transition: box-shadow 0.15s ease; }
.swatch input:checked { box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--ink); }
.swatch input:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 5px; }
.swatch-mark { position: absolute; color: var(--on-accent); opacity: 0; pointer-events: none; transition: opacity 0.15s ease; }
.swatch input:checked + .swatch-mark { opacity: 1; }

.color-dot { display: inline-block; flex: 0 0 auto; width: 10px; height: 10px; border-radius: 50%; background: var(--card-accent, var(--muted)); }
.select-option-text, .select-value { display: flex; align-items: center; gap: 8px; }
.select-option-text .color-dot, .select-value .color-dot { align-self: center; }
.select-option-label { min-width: 0; }
.next-due-name .color-dot { margin-right: 6px; vertical-align: 1px; }

.settings-section { min-width: 0; margin: 0 0 16px; border: 0; padding: 0; }
.settings-section > legend { margin-bottom: 8px; padding: 0; font-size: 0.82rem; font-weight: 750; }
.segmented { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-bottom: 14px; border: 1px solid var(--line); border-radius: 11px; padding: 4px; background: var(--soft-bg); }
.segmented label { position: relative; margin: 0; }
.segmented input { position: absolute; width: 1px; height: 1px; min-height: 0; margin: 0; opacity: 0; }
.segmented span { display: block; border-radius: 8px; padding: 8px 6px; color: var(--muted); font-size: 0.86rem; font-weight: 700; text-align: center; cursor: pointer; transition: background-color 0.2s ease, color 0.2s ease; }
.segmented span:hover { color: var(--ink); }
.segmented input:checked + span { color: var(--ink); background: var(--surface); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12); }
.segmented input:focus-visible + span { outline: 2px solid var(--focus-ring); outline-offset: 1px; }
.settings-section .field-hint { margin: 0; }
.settings-section + .settings-section { border-top: 1px solid var(--line); padding-top: 14px; }
.lead-days-field { margin: 12px 0 0 28px; }
.lead-days-label { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.lead-days-label input { width: 64px; min-height: 38px; margin: 0; padding: 7px 8px; text-align: center; }
.reminders-status:not(:empty) { margin-top: 10px; }

.hint-region:empty { display: none; }
.app-hint { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin-bottom: 16px; border: 1px solid var(--accent-border); border-radius: 12px; padding: 8px 8px 8px 14px; color: var(--ink); background: var(--green-bg); font-size: 0.86rem; font-weight: 650; }
.app-hint p { flex: 1 1 220px; margin: 0; }
.app-hint-actions { display: flex; gap: 2px; margin-left: auto; }

.settings-section .account-intro { margin-bottom: 12px; }
.account-button { width: 100%; margin-bottom: 4px; }
.code-step { margin-top: 14px; }
.settings-section .code-step .field-hint { margin: -8px 0 12px; }
.account-user { margin: 0 0 4px; font-size: 0.88rem; overflow-wrap: anywhere; }
.account-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.settings-section .account-message:not(:empty) { margin-top: 10px; }
.account-message.is-error { color: var(--red); font-weight: 650; }
code { border-radius: 5px; padding: 1px 5px; background: var(--subtle-bg); font-size: 0.85em; }

.sync-status { display: inline-flex; align-items: center; gap: 7px; min-height: 34px; border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px; color: var(--muted); background: var(--surface); font-size: 0.78rem; font-weight: 700; white-space: nowrap; transition: border-color 0.2s ease, background-color 0.2s ease; }
.sync-status[hidden] { display: none; }
.sync-status:hover { border-color: var(--hover-border); }
.sync-status:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.sync-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.sync-status.is-syncing .sync-dot { background: var(--amber); }
.sync-status.is-offline .sync-dot { background: var(--placeholder); }
.sync-status.is-error, .sync-status.is-paused { border-color: var(--overdue-border); color: var(--red); }
.sync-status.is-error .sync-dot, .sync-status.is-paused .sync-dot { background: var(--red); }
@media (prefers-reduced-motion: no-preference) {
  .sync-status.is-syncing .sync-dot { animation: sync-pulse 1s ease-in-out infinite alternate; }
}
@keyframes sync-pulse { from { opacity: 1; } to { opacity: 0.35; } }

.card-group-none .credit-card { border-top-style: dashed; border-right-style: dashed; border-bottom-style: dashed; border-top-color: var(--field-border); border-right-color: var(--field-border); border-bottom-color: var(--field-border); box-shadow: none; }
.card-group-none .credit-card.has-expected { border-top-color: var(--accent-border); border-right-color: var(--accent-border); border-bottom-color: var(--accent-border); box-shadow: 0 0 0 3px var(--green-bg); }

@media (min-width: 900px) {
  .app-shell { width: min(100% - 32px, 1120px); padding-bottom: 64px; }
  .app-header { align-items: center; }
  .header-add:not([hidden]) { display: inline-flex; }
  .fab, .fab-scrim { display: none; }
  .notices { bottom: calc(24px + env(safe-area-inset-bottom, 0px)); }
}

@media (max-width: 420px) {
  .app-shell { width: min(100% - 26px, 600px); padding-top: 28px; }
  .app-header { margin-bottom: 24px; }
  .fab { right: calc(16px + env(safe-area-inset-right, 0px)); bottom: calc(16px + env(safe-area-inset-bottom, 0px)); }
  .summary-item { padding: 14px 13px; }
  .summary strong { font-size: 1.08rem; }
  .card-content { padding: 15px 14px 13px; }
  .field-grid { grid-template-columns: 1fr; gap: 0; }
  /* Dialogs become bottom sheets on small phones. */
  .card-dialog { width: 100%; max-width: 100%; max-height: 92vh; margin: auto 0 0; border-radius: 18px 18px 0 0; transform: translateY(24px); }
  .card-dialog form { padding-bottom: calc(23px + env(safe-area-inset-bottom, 0px)); }
  @starting-style { .card-dialog[open] { transform: translateY(24px); } }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}