:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --surface-2: #f0efeb;
  --text: #1d1d1b;
  --muted: #6b6a66;
  --border: #e3e1db;
  --accent: #2f5bd3;
  --accent-text: #ffffff;
  --danger: #c2372b;
  --danger-soft: #fbeceb;
  --ok: #1f7a4d;
  --ok-soft: #e7f4ec;
  --warn: #9a6200;
  --warn-soft: #fbf1df;
  --info-soft: #e9eefb;
  --focus: #2f5bd3;
  --radius: 12px;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.04), 0 2px 8px rgb(0 0 0 / 0.04);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151515;
    --surface: #1e1e1d;
    --surface-2: #262625;
    --text: #ecebe7;
    --muted: #a3a29d;
    --border: #33322f;
    --accent: #7d9cf0;
    --accent-text: #0f1424;
    --danger: #f07a6e;
    --danger-soft: #3a201d;
    --ok: #6fcf9c;
    --ok-soft: #1b3125;
    --warn: #e8b55c;
    --warn-soft: #382b14;
    --info-soft: #1f2639;
    --focus: #7d9cf0;
    --shadow: none;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

[hidden] { display: none !important; }

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

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* Top bar */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--surface);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; letter-spacing: -0.01em; white-space: nowrap; flex-shrink: 0; }
.brand-mark {
  width: 18px; height: 18px; border-radius: 5px; background: var(--accent);
  box-shadow: inset 0 -6px 0 rgb(255 255 255 / 0.25);
}
.account { display: flex; align-items: center; gap: 8px; min-width: 0; }
.account-email { color: var(--muted); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

main { max-width: 860px; margin: 0 auto; padding: 16px 16px 120px; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 16px; box-shadow: var(--shadow);
}

h1 { font-size: 24px; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 18px; margin: 0 0 8px; }
.lede { color: var(--muted); margin: 0 0 20px; }

/* Forms */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; min-width: 0; }
.field-label { font-size: 14px; font-weight: 550; }
input, select {
  font: inherit; color: inherit; background: var(--surface);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; min-height: 44px; width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--focus); outline-offset: -1px; border-color: transparent; }
input[type="checkbox"] { width: 20px; height: 20px; min-height: 0; margin: 0; accent-color: var(--accent); }

.provider-hint { font-size: 14px; color: var(--muted); margin: -6px 0 14px; }
.provider-hint a { color: var(--accent); }
.provider-hint.warn { color: var(--warn); }

.advanced { margin: 4px 0 16px; }
.advanced summary { cursor: pointer; color: var(--muted); font-size: 14px; padding: 6px 0; }
.advanced-grid { display: grid; grid-template-columns: 1fr 96px; gap: 0 10px; margin-top: 10px; }
.field-wide { grid-column: 1 / -1; }

.form-error {
  background: var(--danger-soft); color: var(--danger); border-radius: 10px;
  padding: 10px 12px; font-size: 14px; margin: 0 0 14px;
}
.notice {
  background: var(--warn-soft); color: var(--warn); border-radius: 10px;
  padding: 10px 12px; font-size: 14px; margin: 12px 0 0;
}

.oauth-buttons { display: flex; flex-direction: column; gap: 10px; margin-bottom: 4px; }
.btn-oauth { background: var(--surface); font-size: 16px; min-height: 48px; }
.oauth-note { font-size: 13px; color: var(--muted); margin: 0; text-align: center; }
.other-provider { align-self: center; font-size: 14px; font-weight: 500; margin: 6px 0 2px; }
.legal { font-size: 13px; margin: 8px 0 0; }
.legal a { color: var(--muted); }

.brand-link { color: inherit; text-decoration: none; }
.prose { max-width: 680px; }
.prose h1 { margin-top: 8px; }
.prose h2 { margin-top: 28px; }
.prose a { color: var(--accent); }
.prose code { font-size: 0.9em; background: var(--surface-2); padding: 1px 4px; border-radius: 4px; }
.prose li { margin-bottom: 6px; }
.muted { color: var(--muted); }
.todo { background: var(--warn-soft); color: var(--warn); border-radius: 10px; padding: 10px 12px; }
mark { background: var(--warn-soft); color: var(--warn); padding: 0 3px; border-radius: 3px; }

.promises { list-style: none; padding: 16px 0 0; margin: 20px 0 0; border-top: 1px solid var(--border); font-size: 14px; color: var(--muted); }
.promises li { margin-bottom: 8px; }
.promises strong { color: var(--text); font-weight: 600; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-size: 15px; font-weight: 550; text-decoration: none; white-space: nowrap;
  color: var(--text); background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 14px; min-height: 44px; cursor: pointer;
}
.btn:hover { filter: brightness(0.97); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; filter: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger-quiet { color: var(--danger); }
.btn-quiet { background: transparent; }
.btn-small { min-height: 38px; padding: 7px 12px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-link {
  background: none; border: 0; padding: 0; min-height: 0; font: inherit; font-weight: 600;
  color: var(--accent); cursor: pointer; text-decoration: underline; text-underline-offset: 2px;
}

/* Scan */
.scan-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; align-items: end; }
.scan-controls .btn { grid-column: 1 / -1; margin-bottom: 14px; }
.progress { margin-top: 2px; }
.progress-track { height: 8px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.progress-fill { height: 100%; width: 0; background: var(--accent); border-radius: 99px; transition: width 0.3s ease; }
.progress-text { margin: 8px 0 0; font-size: 14px; color: var(--muted); font-variant-numeric: tabular-nums; }

/* Toolbar */
#results { margin-top: 20px; }
.toolbar { display: flex; flex-direction: column; gap: 10px; }
.switch { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 12px 0 4px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  font: inherit; font-size: 14px; white-space: nowrap; cursor: pointer;
  padding: 7px 12px; border-radius: 99px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); min-height: 36px;
}
.chip[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.list-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 2px; font-size: 14px; color: var(--muted);
}
.select-all { display: flex; align-items: center; gap: 8px; cursor: pointer; }

/* Sender rows: phone-first, actions stack under the name */
.senders { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.row {
  display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 4px 10px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px; box-shadow: var(--shadow);
}
.row.selected { border-color: var(--accent); }
.row.deleted { opacity: 0.72; }
.row-check { padding-top: 2px; cursor: pointer; }
.row-main { min-width: 0; }
.row-title { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.row-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-count { font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.row-address { font-size: 13px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-meta { margin-top: 6px; }
.row-status { font-size: 14px; margin-top: 6px; }
.row-status:empty { display: none; }
.row-status.ok { color: var(--ok); }
.row-status.err { color: var(--danger); }
.row-actions { grid-column: 2; display: flex; gap: 8px; margin-top: 8px; }
.row-actions .btn { flex: 1; }

.badge {
  display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600;
  padding: 2px 8px; border-radius: 99px;
}
.badge.one_click { background: var(--ok-soft); color: var(--ok); }
.badge.mailto { background: var(--ok-soft); color: var(--ok); }
.badge.link { background: var(--info-soft); color: var(--accent); }
.badge.none { background: var(--warn-soft); color: var(--warn); }

.empty { text-align: center; color: var(--muted); padding: 32px 0; }
#show-more { margin-top: 12px; }

/* Selection bar */
.selection-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 6;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: var(--surface); border-top: 1px solid var(--border);
  box-shadow: 0 -4px 16px rgb(0 0 0 / 0.08);
}
.selection-bar #selection-count { font-weight: 600; font-size: 14px; }
.selection-actions { display: flex; gap: 8px; }

/* Dialog */
dialog {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 20px;
  background: var(--surface); color: var(--text); width: min(420px, calc(100vw - 32px));
}
dialog::backdrop { background: rgb(0 0 0 / 0.4); }
dialog p { color: var(--muted); margin: 0 0 20px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* Toast */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(84px + env(safe-area-inset-bottom));
  z-index: 7; max-width: calc(100vw - 32px); width: max-content;
  background: var(--text); color: var(--bg); border-radius: 10px; padding: 10px 14px; font-size: 14px;
  box-shadow: 0 4px 16px rgb(0 0 0 / 0.2);
}

/* Wider screens: one line per sender, actions on the right */
@media (min-width: 640px) {
  main { padding: 24px 24px 120px; }
  .card { padding: 24px; }
  .connect-card { max-width: 480px; margin: 24px auto 0; }
  .scan-controls { grid-template-columns: 1fr 1fr auto; }
  .scan-controls .btn { grid-column: auto; }
  .toolbar { flex-direction: row; align-items: center; }
  .toolbar input[type="search"] { flex: 1; }
  .row { grid-template-columns: 28px minmax(0, 1fr) auto; align-items: center; }
  .row-actions { grid-column: 3; margin-top: 0; }
  .row-actions .btn { flex: none; }
  .selection-bar { justify-content: center; gap: 24px; }
}