/* SECFEED — Brutalist override layer
   Single stylesheet, no framework deps.
   ====================================================== */

/* Font is loaded via <link> in the document <head> — a render-blocking
   @import here serialized HTML → CSS → font-CSS → font. */

:root {
  /* Two colors only. Pure. */
  --bg: #F2F0EA;
  --fg: #0A0A0A;

  /* Severity accent — single color */
  --accent: #FF3B00;

  /* Functional muted state — NOT decoration */
  --muted: rgba(10, 10, 10, 0.55);
  --muted-line: rgba(10, 10, 10, 0.18);
  /* Stronger muted + error tone — meet WCAG AA contrast on light bg */
  --muted-strong: rgba(10, 10, 10, 0.70);
  --color-error: #C42B00;

  /* Type scale — STRICT */
  --t-headline: 18px;
  --t-critical: 28px;
  --t-body: 14px;
  --t-meta: 12px;
  --t-mega: 64px;

  /* Grid */
  --col-gap: 24px;
  --row-pad-y: 14px;
  --row-pad-x: 20px;
}

[data-invert="true"] {
  --bg: #0A0A0A;
  --fg: #F2F0EA;
  --muted: rgba(242, 240, 234, 0.55);
  --muted-line: rgba(242, 240, 234, 0.18);
  --muted-strong: rgba(242, 240, 234, 0.72);
  --color-error: #FF3B00;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }

/* Visible keyboard focus indicator — the button reset above strips the default. */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}
ul, ol { margin: 0; padding: 0; list-style: none; }

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  font-size: var(--t-body);
  line-height: 1.4;
  font-feature-settings: "ss01", "ss02", "calt", "zero";
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--fg); color: var(--bg); }

/* Visually hidden — exposed to assistive tech and crawlers, not painted */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   HEADER
   ============================================================ */
.sf-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--fg);
  padding: 14px 28px;
  display: flex;
  align-items: baseline;
  gap: 0;
  font-size: var(--t-meta);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
}
.sf-header .sep { padding: 0 14px; opacity: 0.5; }
.sf-header .wordmark {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.sf-header .meta { color: var(--fg); }
.sf-header .meta .label { color: var(--muted); margin-right: 6px; }
.sf-header .meta .num { font-weight: 700; }

.sf-header .ingest-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  margin-left: 12px;
  vertical-align: 1px;
  opacity: 0;
}
.sf-header .ingest-dot.live { animation: sf-pulse 1200ms ease-out 1; opacity: 1; }

@keyframes sf-pulse {
  0%   { opacity: 1; transform: scale(1); }
  60%  { opacity: 1; transform: scale(1.4); }
  100% { opacity: 0; transform: scale(1); }
}

/* ============================================================
   PAGE GRID
   ============================================================ */
.sf-page {
  display: grid;
  grid-template-columns: 1fr 360px;
  min-height: calc(100vh - 49px);
}

.sf-feed {
  border-right: 1px solid var(--fg);
}

.sf-rail {
  padding: 0;
}

/* ============================================================
   FILTER BAR
   ============================================================ */
.sf-filterbar {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--fg);
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 500;
}
.sf-filterbar .label {
  padding: 10px 20px;
  color: var(--muted);
  border-right: 1px solid var(--muted-line);
}
.sf-filterbar .chips {
  display: flex;
  flex: 1;
}
.sf-filterbar .chip {
  padding: 10px 16px;
  border-right: 1px solid var(--muted-line);
  color: var(--muted);
}
.sf-filterbar .chip.active {
  color: var(--fg);
  background: var(--fg);
  color: var(--bg);
}
.sf-filterbar .chip .n {
  margin-left: 8px;
  opacity: 0.7;
}
.sf-filterbar .chip.active .n { opacity: 0.7; }
.sf-filterbar .right {
  padding: 10px 20px;
  color: var(--muted);
  border-left: 1px solid var(--muted-line);
  margin-left: auto;
}
.sf-filterbar .kbd {
  display: inline-block;
  border: 1px solid var(--muted-line);
  padding: 1px 5px;
  margin: 0 2px;
  color: var(--fg);
}

/* ============================================================
   ARTICLE ROW
   ============================================================ */
.sf-row {
  display: grid;
  grid-template-columns: 80px 1fr 200px 90px 30px;
  gap: var(--col-gap);
  padding: var(--row-pad-y) var(--row-pad-x);
  border-bottom: 1px solid var(--muted-line);
  cursor: pointer;
  position: relative;
}
.sf-row.focus {
  outline: 2px solid var(--fg);
  outline-offset: -2px;
}

.sf-row[data-sev="HIGH"] {
  border-left: 2px solid var(--accent);
  padding-left: calc(var(--row-pad-x) - 2px);
}
.sf-row[data-sev="MEDIUM"] {
  border-left: 1px solid var(--fg);
  padding-left: calc(var(--row-pad-x) - 1px);
}
.sf-row[data-sev="LOW"] {
  opacity: 0.6;
}
.sf-row[data-sev="INFO"] {
  opacity: 0.6;
}
.sf-row[data-sev="INFO"] .sf-headline,
.sf-row[data-sev="INFO"] .sf-summary {
  font-style: italic;
}

.sf-tag {
  font-size: var(--t-meta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  align-self: start;
  white-space: nowrap;
}
.sf-tag.high { color: var(--accent); }

.sf-headline {
  font-size: var(--t-headline);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
  text-wrap: balance;
  overflow-wrap: anywhere;
}
.sf-summary {
  font-size: var(--t-body);
  font-weight: 400;
  margin: 8px 0 0;
  color: var(--fg);
  text-wrap: pretty;
  max-width: 70ch;
  overflow-wrap: anywhere;
}
.sf-row.collapsed .sf-summary { display: none; }

.sf-cves {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.sf-cve {
  font-size: var(--t-meta);
  border: 1px solid var(--fg);
  padding: 1px 6px;
  font-weight: 500;
}
.sf-epss {
  font-size: var(--t-meta);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 1px 6px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: help;
}
.sf-epss.hot {
  background: var(--accent);
  color: var(--bg);
}

.sf-source {
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 500;
  color: var(--fg);
  align-self: start;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sf-source .src { font-weight: 700; }
.sf-source .tags {
  display: block;
  color: var(--muted);
  font-weight: 500;
  margin-top: 4px;
  white-space: normal;
}

.sf-time {
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 500;
  color: var(--muted);
  text-align: right;
  align-self: start;
  white-space: nowrap;
}
.sf-time .abs { display: block; color: var(--muted); margin-top: 4px; }

/* CRITICAL band — breaks the grid */
.sf-critical {
  background: var(--fg);
  color: var(--bg);
  border-top: 2px solid var(--fg);
  border-bottom: 2px solid var(--fg);
  padding: 22px var(--row-pad-x);
  display: grid;
  grid-template-columns: 110px 1fr 200px 90px 30px;
  gap: var(--col-gap);
  cursor: pointer;
  position: relative;
}
.sf-critical .sf-tag { color: var(--bg); }
.sf-critical .sf-headline {
  font-size: var(--t-critical);
  color: var(--bg);
  line-height: 1.1;
}
.sf-critical .sf-summary { color: var(--bg); opacity: 0.9; }
.sf-critical .sf-source,
.sf-critical .sf-time { color: var(--bg); opacity: 0.8; }
.sf-critical .sf-source .tags { color: var(--bg); opacity: 0.6; }
.sf-critical .sf-cve {
  border-color: var(--bg);
  color: var(--bg);
}
.sf-critical .sf-time .abs { color: var(--bg); opacity: 0.6; }

.sf-critical::before {
  content: "▎ NEW";
  position: absolute;
  top: -1px;
  right: 0;
  background: var(--accent);
  color: #fff;
  font-size: var(--t-meta);
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  display: none;
}
.sf-critical.fresh::before { display: block; }

/* New article pulse */
.sf-row.fresh,
.sf-critical.fresh {
  animation: sf-row-pulse 1400ms ease-out 1;
}
@keyframes sf-row-pulse {
  0%   { background: var(--accent); color: var(--bg); }
  60%  { background: var(--accent); color: var(--bg); }
  100% { background: transparent; color: inherit; }
}
.sf-critical.fresh { animation: none; }

/* ============================================================
   RIGHT RAIL
   ============================================================ */
.sf-rail-section {
  border-bottom: 1px solid var(--fg);
  padding: 18px 22px;
}
.sf-rail-section h3 {
  font-size: var(--t-meta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 14px;
}
.sf-rail-section h3 .count {
  float: right;
  color: var(--muted);
  font-weight: 500;
}

.sf-bar {
  display: grid;
  grid-template-columns: 90px 1fr 40px;
  gap: 10px;
  align-items: center;
  font-size: var(--t-meta);
  text-transform: uppercase;
  font-weight: 500;
  padding: 4px 0;
  letter-spacing: 0.02em;
}
.sf-bar .name { font-weight: 700; }
.sf-bar .ascii {
  font-family: inherit;
  letter-spacing: 0;
  white-space: pre;
  color: var(--fg);
  overflow: hidden;
}
.sf-bar.high .ascii  { color: var(--accent); }
.sf-bar.crit .ascii  { color: var(--fg); }
.sf-bar.crit .name   { color: var(--accent); }
.sf-bar .num { text-align: right; font-weight: 700; }

.sf-source-row {
  display: grid;
  grid-template-columns: 1fr 40px;
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 1px solid var(--muted-line);
}
.sf-source-row:last-child { border-bottom: 0; }
.sf-source-row .src { font-weight: 700; }
.sf-source-row .n { text-align: right; color: var(--muted); }

.sf-cve-row {
  display: grid;
  grid-template-columns: 130px 50px 1fr;
  gap: 10px;
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 1px solid var(--muted-line);
  cursor: pointer;
}
.sf-cve-row:last-child { border-bottom: 0; }
.sf-cve-row .id { font-weight: 700; }
.sf-cve-row .score {
  font-weight: 700;
  text-align: right;
}
.sf-cve-row[data-sev="critical"] .score { color: var(--accent); }
.sf-cve-row .desc { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.sf-status {
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.sf-status .row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
}
.sf-status .ok { color: var(--fg); font-weight: 700; }

/* ============================================================
   FOOTER
   ============================================================ */
.sf-footer {
  border-top: 1px solid var(--fg);
  padding: 14px 28px;
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.sf-footer .sep { opacity: 0.4; }
.sf-footer .right { margin-left: auto; }

/* ============================================================
   ARTICLE DETAIL VIEW
   ============================================================ */
.sf-detail {
  max-width: 880px;
  margin: 0 auto;
  padding: 36px 32px 80px;
}
.sf-detail .back {
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  border-bottom: 1px solid var(--fg);
  padding-bottom: 14px;
  margin-bottom: 28px;
  display: flex;
  gap: 14px;
}
.sf-detail .back .sep { color: var(--muted); }
.sf-detail .crumb { color: var(--muted); }
.sf-detail .crumb.active { color: var(--fg); }

.sf-detail .meta-row {
  display: flex;
  gap: 14px;
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 500;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.sf-detail .meta-row .sep { color: var(--muted); }
.sf-detail .meta-row .v { font-weight: 700; }
.sf-detail .meta-row .accent { color: var(--accent); }

.sf-detail h1 {
  font-size: 44px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0 0 20px;
  text-wrap: balance;
}
.sf-detail .lede {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.45;
  margin: 0 0 28px;
  padding: 18px 0;
  border-top: 2px solid var(--fg);
  border-bottom: 2px solid var(--fg);
  text-wrap: pretty;
}

.sf-detail .body {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 40px;
  margin-bottom: 40px;
}
.sf-detail .body p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.55;
  text-wrap: pretty;
  max-width: 70ch;
}
.sf-detail .body h2 {
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 28px 0 12px;
  padding-top: 14px;
  border-top: 1px solid var(--fg);
}
.sf-detail .body ul {
  margin: 0 0 16px;
  padding: 0;
}
.sf-detail .body ul li {
  font-size: 15px;
  line-height: 1.55;
  padding-left: 20px;
  position: relative;
}
.sf-detail .body ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.sf-detail aside {
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.sf-detail aside .block {
  border-top: 1px solid var(--fg);
  padding: 12px 0 16px;
}
.sf-detail aside .block:last-child { border-bottom: 1px solid var(--fg); }
.sf-detail aside h4 {
  font-size: var(--t-meta);
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--muted);
}
.sf-detail aside .v {
  font-size: var(--t-body);
  font-weight: 700;
}
.sf-detail aside .v.accent { color: var(--accent); }
.sf-detail aside .list { display: flex; flex-direction: column; gap: 4px; }
.sf-detail aside .list .row {
  display: flex;
  justify-content: space-between;
  font-weight: 500;
}

.sf-detail .related h3 {
  font-size: var(--t-meta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-top: 2px solid var(--fg);
  border-bottom: 1px solid var(--fg);
  padding: 14px 0;
  margin: 0 0 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .sf-page { grid-template-columns: 1fr 300px; }
  .sf-row,
  .sf-critical { grid-template-columns: 70px 1fr 130px 70px 24px; }
}

/* Star + arrow column */
.sf-star {
  font-size: 16px;
  font-weight: 700;
  color: var(--muted);
  align-self: start;
  text-align: center;
  cursor: pointer;
  user-select: none;
  line-height: 1;
}
.sf-star.on { color: var(--accent); }
.sf-critical .sf-star { color: var(--bg); opacity: 0.5; }
.sf-critical .sf-star.on { color: var(--accent); opacity: 1; }
.sf-arrow {
  font-size: var(--t-meta);
  font-weight: 700;
  text-align: right;
  align-self: start;
  letter-spacing: 0;
}
.sf-arrow::after { content: "→"; }

/* Source row clickable */
.sf-source-row { cursor: pointer; }
.sf-source-row.active { background: var(--fg); color: var(--bg); padding-left: 8px; padding-right: 8px; }
.sf-source-row.active .n { color: var(--bg); opacity: 0.7; }

.sf-rail-section .clear {
  display: block;
  margin-top: 8px;
  font-size: var(--t-meta);
  color: var(--muted);
  text-decoration: underline;
}
@media (max-width: 768px) {
  .sf-header { padding: 12px 18px; flex-wrap: wrap; gap: 0; }
  .sf-page { grid-template-columns: 1fr; }
  .sf-feed { border-right: 0; border-bottom: 1px solid var(--fg); }
  .sf-row,
  .sf-critical {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .sf-row .sf-time,
  .sf-critical .sf-time { text-align: left; }
  .sf-detail .body { grid-template-columns: 1fr; }
  .sf-detail h1 { font-size: 32px; }
}
@media (max-width: 375px) {
  .sf-header { font-size: 11px; }
  .sf-header .sep { padding: 0 6px; }
}

/* ============================================================
   COMMAND BAR
   ============================================================ */
.sf-cmd-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.4);
  z-index: 100;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
}
[data-invert="true"] .sf-cmd-overlay { background: rgba(0,0,0,0.6); }
.sf-cmd {
  width: 640px;
  max-width: calc(100vw - 32px);
  background: var(--bg);
  border: 2px solid var(--fg);
}
.sf-cmd .head {
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  padding: 10px 16px;
  border-bottom: 1px solid var(--fg);
  display: flex;
  justify-content: space-between;
}
.sf-cmd input {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  padding: 18px 16px;
  outline: none;
  border-bottom: 1px solid var(--muted-line);
}
.sf-cmd .results {
  max-height: 360px;
  overflow-y: auto;
}
.sf-cmd .res {
  padding: 10px 16px;
  border-bottom: 1px solid var(--muted-line);
  font-size: var(--t-body);
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 12px;
  cursor: pointer;
}
.sf-cmd .res:last-child { border-bottom: 0; }
.sf-cmd .res:hover, .sf-cmd .res.sel {
  background: var(--fg);
  color: var(--bg);
}
.sf-cmd .res .tag {
  font-size: var(--t-meta);
  font-weight: 700;
  text-transform: uppercase;
}
.sf-cmd .res .h {
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.sf-cmd-alerts {
  padding: 12px 16px;
  border-bottom: 1px solid var(--muted-line);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.sf-cmd-savebtn {
  font: inherit;
  font-size: var(--t-meta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
}
.sf-cmd-savebtn:hover { background: var(--accent); color: var(--bg); }
.sf-cmd-savebtn.on {
  border-color: var(--muted-line);
  color: var(--muted);
  cursor: default;
}
.sf-cmd-savebtn.on:hover { background: transparent; color: var(--muted); }
.sf-cmd-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.sf-cmd-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--t-meta);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 3px 4px 3px 8px;
  border: 1px solid var(--muted-line);
  color: var(--fg);
}
.sf-cmd-chip .x {
  font: inherit;
  font-size: 13px;
  line-height: 1;
  padding: 0 4px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.sf-cmd-chip .x:hover { color: var(--accent); }
.sf-cmd-alerts-hint {
  font-size: var(--t-meta);
  color: var(--muted);
}

/* Real-time CRITICAL/KEV alert banner */
#sf-alertbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--accent);
  color: #fff;
  border-bottom: 2px solid #000;
  transform: translateY(-100%);
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1);
}
#sf-alertbar.open { transform: translateY(0); }
.sf-alertbar-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 9px 16px;
}
.sf-alertbar-title {
  font-size: var(--t-meta);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.sf-alertbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.sf-alertbar-list {
  padding: 0 16px 11px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 42vh;
  overflow-y: auto;
}
.sf-alertbar-item {
  display: flex;
  gap: 10px;
  align-items: baseline;
  color: #fff;
  text-decoration: none;
  font-size: var(--t-body);
}
.sf-alertbar-item:hover .h { text-decoration: underline; }
.sf-alertbar-item .tag {
  font-size: var(--t-meta);
  font-weight: 800;
  border: 1px solid #fff;
  padding: 0 5px;
  flex-shrink: 0;
}
.sf-alertbar-item .h { font-weight: 500; }
.sf-alertbar-more {
  font-size: var(--t-meta);
  opacity: 0.85;
  padding-top: 3px;
}
.sf-alertbar-x,
.sf-alertbar-notif {
  font: inherit;
  background: transparent;
  border: 1px solid #fff;
  color: #fff;
  cursor: pointer;
}
.sf-alertbar-x {
  font-size: 16px;
  line-height: 1;
  padding: 2px 9px;
}
.sf-alertbar-notif {
  font-size: var(--t-meta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 9px;
}
.sf-alertbar-x:hover,
.sf-alertbar-notif:hover {
  background: #fff;
  color: var(--accent);
}

/* ============================================================
   APP UTILITIES (added by SECFEED implementation)
   ============================================================ */
.sf-loading {
  padding: 60px 28px;
  color: var(--muted);
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
}
.sf-hidden { display: none !important; }
.sf-error {
  padding: 28px;
  color: var(--accent);
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  border: 2px solid var(--accent);
  margin: 28px;
}
/* Related row in detail — no left border (avoid double indent) */
.sf-detail .related .sf-row { padding-left: 0; padding-right: 0; }
.sf-detail .related .sf-row[data-sev="HIGH"],
.sf-detail .related .sf-row[data-sev="MEDIUM"] { border-left: 0; }

/* ============================================================
   PANEL CHIPS (today/yesterday/critical/high/saved/all)
   ============================================================ */
.sf-panels {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--fg);
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.sf-panels::-webkit-scrollbar { display: none; }
.sf-panels .sf-panel {
  padding: 12px 18px;
  border-right: 1px solid var(--muted-line);
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}
.sf-panels .sf-panel.active {
  background: var(--fg);
  color: var(--bg);
}
.sf-panels .sf-panel .badge {
  margin-left: 8px;
  opacity: 0.65;
  font-weight: 500;
}
.sf-panels .sf-panel.active .badge { opacity: 0.7; }

/* ============================================================
   TOAST
   ============================================================ */
.sf-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  padding: 12px 18px;
  border: 2px solid var(--fg);
  background: var(--bg);
  color: var(--fg);
  font-size: var(--t-meta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  max-width: 90vw;
  display: none;
}
.sf-toast.visible { display: block; }
.sf-toast.error { border-color: var(--accent); color: var(--accent); }

/* ============================================================
   AUTH / SETTINGS MODAL — shared shell
   ============================================================ */
.sf-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.4);
  z-index: 110;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 60px 16px 40px;
  overflow-y: auto;
}
[data-invert="true"] .sf-modal-overlay { background: rgba(0, 0, 0, 0.7); }
.sf-modal-overlay.open { display: flex; }
.sf-modal {
  background: var(--bg);
  border: 2px solid var(--fg);
  width: 540px;
  max-width: 100%;
  color: var(--fg);
}
.sf-modal.wide { width: 760px; }
.sf-modal .sf-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--fg);
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
}
.sf-modal .sf-modal-head .x {
  border: 1px solid var(--fg);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: 700;
}
.sf-modal .sf-modal-body { padding: 22px 20px; }
.sf-modal .sf-modal-foot {
  padding: 14px 20px;
  border-top: 1px solid var(--fg);
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.sf-tabs {
  display: flex;
  border: 1px solid var(--fg);
  margin-bottom: 18px;
}
.sf-tabs .tab {
  flex: 1;
  padding: 10px 14px;
  text-align: center;
  font-size: var(--t-meta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  color: var(--muted);
  border-right: 1px solid var(--fg);
}
.sf-tabs .tab:last-child { border-right: 0; }
.sf-tabs .tab.active {
  background: var(--fg);
  color: var(--bg);
}

.sf-field { display: block; margin-bottom: 14px; }
.sf-field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 6px;
}
.sf-input, .sf-select {
  width: 100%;
  border: 1px solid var(--fg);
  background: var(--bg);
  color: var(--fg);
  padding: 10px 12px;
  font: inherit;
  font-size: var(--t-body);
}
.sf-input:focus, .sf-select:focus { outline: 2px solid var(--accent); outline-offset: -2px; }
.sf-btn {
  display: inline-block;
  border: 2px solid var(--fg);
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  font-size: var(--t-meta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 18px;
  cursor: pointer;
}
.sf-btn:hover { background: var(--fg); color: var(--bg); }
.sf-btn.primary { background: var(--fg); color: var(--bg); }
.sf-btn.primary:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.sf-btn.accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.sf-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.sf-btn.small { padding: 6px 12px; font-size: 11px; }

.sf-msg { font-size: var(--t-meta); text-transform: uppercase; letter-spacing: 0.04em; min-height: 16px; }
.sf-msg.ok    { color: var(--fg); font-weight: 700; }
.sf-msg.error { color: var(--color-error); font-weight: 700; }

.sf-rules { font-size: var(--t-meta); list-style: none; padding: 0; margin: 8px 0 0; color: var(--muted); }
.sf-rules li { padding: 2px 0; }
.sf-rules li.ok    { color: var(--fg); }
.sf-rules li.fail  { color: var(--accent); }

/* Chip grid (vendors, interests) */
.sf-chip-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.sf-chip-grid .ven {
  border: 1px solid var(--fg);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  user-select: none;
}
.sf-chip-grid .ven.on {
  background: var(--fg);
  color: var(--bg);
}
.sf-cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
}
.sf-cat-grid .cat {
  border: 1px solid var(--fg);
  padding: 12px;
  cursor: pointer;
  user-select: none;
}
.sf-cat-grid .cat .l { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.sf-cat-grid .cat .d { font-size: 11px; color: var(--muted); margin-top: 4px; line-height: 1.4; }
.sf-cat-grid .cat.on { background: var(--fg); color: var(--bg); }
.sf-cat-grid .cat.on .d { color: var(--bg); opacity: 0.7; }

/* Radio set */
.sf-radio-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.sf-radio-row label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--fg);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  user-select: none;
}
.sf-radio-row input[type="radio"] {
  appearance: none;
  width: 12px;
  height: 12px;
  border: 1px solid var(--fg);
  margin: 0;
}
.sf-radio-row input[type="radio"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.sf-radio-row label.on, .sf-radio-row input[type="radio"]:checked ~ * { /* used JS-driven */ }

/* ============================================================
   COOKIE BANNER
   ============================================================ */
.sf-cookie {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 12px 20px;
  background: var(--fg);
  color: var(--bg);
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 500;
  display: none;
  align-items: center;
  gap: 16px;
  border-top: 1px solid var(--fg);
}
.sf-cookie.open { display: flex; }
.sf-cookie .sf-btn { background: var(--bg); color: var(--fg); border-color: var(--bg); }
.sf-cookie .sf-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ============================================================
   PAGINATION
   ============================================================ */
.sf-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--fg);
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sf-pagination .pgcount { color: var(--muted); font-weight: 500; }
.sf-pagination .pgnav { display: flex; gap: 8px; }
.sf-pagination .pgbtn {
  border: 1px solid var(--fg);
  padding: 6px 14px;
  font-size: var(--t-meta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  background: var(--bg);
  color: var(--fg);
}
.sf-pagination .pgbtn:hover { background: var(--fg); color: var(--bg); }
.sf-pagination .pgbtn:disabled { opacity: 0.35; cursor: not-allowed; }

/* ============================================================
   AUTH PILL (header right, when logged in)
   ============================================================ */
.sf-userpill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  border: 1px solid var(--muted-line);
  padding: 4px 10px;
  cursor: pointer;
}
.sf-userpill:hover { background: var(--fg); color: var(--bg); }

/* ============================================================
   AI SUMMARY badge (article row)
   ============================================================ */
.sf-ai-badge {
  display: inline-block;
  background: var(--fg);
  color: var(--bg);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 2px 6px;
  margin-right: 8px;
  vertical-align: 1px;
}
[data-invert="true"] .sf-ai-badge { background: var(--bg); color: var(--fg); }

/* ============================================================
   READ STATE (subtle dimming for read articles)
   ============================================================ */
.sf-row.is-read { opacity: 0.7; }
.sf-row.is-read .sf-headline { font-weight: 500; }
.sf-row.is-saved::after {
  content: "★";
  position: absolute;
  top: 14px;
  right: 4px;
  color: var(--accent);
  font-size: 10px;
  pointer-events: none;
}

/* ============================================================
   NEW-ARTICLES BANNER (poll)
   ============================================================ */
.sf-newbar {
  display: none;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  border-bottom: 1px solid var(--fg);
  cursor: pointer;
  user-select: none;
  text-align: center;
}
.sf-newbar.open { display: block; }
.sf-newbar:hover { background: var(--fg); color: var(--bg); }

/* ============================================================
   SOURCES PANEL VIEW
   ============================================================ */
.sf-sources {
  padding: 24px 20px;
  display: grid;
  gap: 14px;
}
.sf-sources .src-card {
  border: 1px solid var(--fg);
  padding: 16px 18px;
}
.sf-sources .src-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
  gap: 14px;
}
.sf-sources .src-name {
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.sf-sources .src-status {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border: 1px solid var(--fg);
  padding: 2px 8px;
}
.sf-sources .src-status.ok    { color: var(--fg); }
.sf-sources .src-status.error { color: var(--accent); border-color: var(--accent); }
.sf-sources .src-url {
  font-size: 12px;
  color: var(--muted);
  word-break: break-all;
  margin-bottom: 10px;
}
.sf-sources .src-meta {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.sf-sources .src-meta b { color: var(--fg); font-weight: 700; }

/* ============================================================
   TOOLBAR (above feed, with refresh + actions)
   ============================================================ */
.sf-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--muted-line);
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sf-toolbar .left { display: flex; gap: 12px; align-items: center; }
.sf-toolbar .right { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.sf-toolbar .info { color: var(--muted); }

/* ============================================================
   RIGHT-RAIL: BRIEF block (replaces old "evening brief" widget)
   ============================================================ */
.sf-rail .brief-card {
  border: 1px solid var(--fg);
  padding: 12px 14px;
  margin-top: 6px;
}
.sf-rail .brief-card .h {
  font-size: var(--t-meta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 8px;
}
.sf-rail .brief-card .b {
  font-size: 13px;
  line-height: 1.45;
  color: var(--fg);
}
.sf-rail .brief-card .cta {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid var(--fg);
  padding: 6px 8px;
  text-align: center;
}
.sf-rail .brief-card .cta:hover { background: var(--fg); color: var(--bg); }

/* ============================================================
   PICKER DROPDOWN (vendor/category)
   ============================================================ */
.sf-picker {
  position: absolute;
  z-index: 60;
  background: var(--bg);
  border: 2px solid var(--fg);
  width: 320px;
  max-height: 400px;
  overflow-y: auto;
  display: none;
}
.sf-picker.open { display: block; }
.sf-picker .ph {
  padding: 8px 12px;
  border-bottom: 1px solid var(--fg);
  background: var(--bg);
  position: sticky;
  top: 0;
}
.sf-picker .ph input {
  width: 100%;
  border: 1px solid var(--muted-line);
  background: var(--bg);
  color: var(--fg);
  padding: 6px 8px;
  font: inherit;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.sf-picker .pl {
  padding: 6px 12px;
}
.sf-picker .pl label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  cursor: pointer;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.sf-picker .pl label.sf-vrow .sf-vrow-name { flex: 1; }
.sf-picker .pl label.sf-vrow .sf-vrow-focus {
  background: none;
  border: 1px solid var(--muted-line);
  color: var(--muted);
  font-family: inherit;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 120ms ease, color 120ms ease, border-color 120ms ease, background 120ms ease;
}
.sf-picker .pl label.sf-vrow:hover .sf-vrow-focus { opacity: 1; }
.sf-picker .pl label.sf-vrow .sf-vrow-focus:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  opacity: 1;
}

/* Active filter chips above feed */
.sf-active-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 10px 20px;
  border-bottom: 1px solid var(--muted-line);
  font-size: var(--t-meta);
}
.sf-active-chips .chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--fg);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sf-active-chips .chip .x { cursor: pointer; color: var(--accent); font-weight: 700; }
.sf-active-chips .clear-all {
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 4px 8px;
}
.sf-active-chips:empty { display: none; }

/* ============================================================
   MOBILE FILTER MODAL
   ============================================================ */
.sf-mf-bar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--fg);
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
}
.sf-mf-bar .sf-btn { padding: 6px 14px; }

@media (max-width: 768px) {
  .sf-mf-bar { display: flex; }
  .sf-filterbar { display: none; }
  .sf-toolbar { padding: 10px 14px; flex-wrap: wrap; gap: 8px; font-size: 11px; }
  .sf-active-chips { padding: 8px 14px; }
  .sf-panels .sf-panel { padding: 10px 12px; }
  .sf-row, .sf-critical {
    grid-template-columns: 1fr !important;
    gap: 6px;
  }
  /* Let the feed and card cells shrink below their content width —
     grid items default to min-width:auto, which forced horizontal
     page overflow on narrow viewports. */
  .sf-feed { min-width: 0; }
  .sf-row > *,
  .sf-critical > * { min-width: 0; }
  .sf-row > div:nth-child(1) { display: flex; }
  .sf-row .sf-source, .sf-critical .sf-source { font-size: 11px; }
  .sf-row .sf-time, .sf-critical .sf-time {
    text-align: left;
    display: flex;
    gap: 8px;
    align-items: baseline;
  }
  .sf-row .sf-time .abs, .sf-critical .sf-time .abs { display: inline; margin: 0; }
  .sf-row > div:last-child, .sf-critical > div:last-child {
    display: flex;
    gap: 14px;
    align-items: center;
  }
  .sf-row .sf-arrow, .sf-critical .sf-arrow { margin-top: 0 !important; }
  .sf-detail { padding: 22px 16px 60px; }
  .sf-detail h1 { font-size: 28px; }
  .sf-detail .body { grid-template-columns: 1fr; gap: 24px; }
  .sf-detail .lede { font-size: 16px; padding: 14px 0; }
  .sf-modal-overlay { padding: 30px 12px; }
  .sf-modal { width: 100%; }
  .sf-modal.wide { width: 100%; }
  .sf-cat-grid { grid-template-columns: 1fr; }
  .sf-pagination { padding: 12px 14px; flex-direction: column; gap: 10px; align-items: stretch; }
  .sf-pagination .pgnav { justify-content: center; }
  .sf-pagination .pgcount { text-align: center; }
}

@media (max-width: 480px) {
  .sf-header { padding: 10px 14px; gap: 0; flex-wrap: wrap; }
  .sf-header .sep { padding: 0 6px; }
  .sf-header .meta { font-size: 10px; }
  .sf-header .wordmark { font-size: 14px; }
  .sf-detail h1 { font-size: 22px; }
}

/* Hide right rail on tablet/mobile (unless logged-in user enables it) */
@media (max-width: 768px) {
  .sf-page { grid-template-columns: 1fr !important; }
  .sf-feed { border-right: 0; border-bottom: 1px solid var(--fg); }
  .sf-rail { display: none; }
  .sf-rail.show-mobile { display: block; }
}

/* HERO — guest-facing value-prop band (hidden via JS for logged-in users) */
.sf-hero {
  border-bottom: 1px solid var(--fg);
  padding: clamp(28px, 5vw, 56px) 28px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}
.sf-hero-main { min-width: 0; }
.sf-hero h2 {
  font-size: clamp(22px, 3.5vw, 34px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 12px;
  overflow-wrap: anywhere;
}
.sf-hero p {
  font-size: 14px;
  color: var(--muted-strong);
  line-height: 1.5;
  margin: 0 0 18px;
  max-width: 60ch;
}
.sf-hero-cta { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.sf-hero-btn {
  display: inline-block;
  border: 2px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 11px 18px;
}
.sf-hero-btn:hover { background: var(--fg); border-color: var(--fg); }
.sf-hero-link {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: underline;
}
.sf-hero-btn:focus-visible,
.sf-hero-link:focus-visible { outline: 3px solid var(--fg); outline-offset: 2px; }
.sf-hero-proof {
  list-style: none;
  margin: 0;
  padding: 0 0 0 20px;
  border-left: 2px solid var(--fg);
  display: grid;
  gap: 9px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted-strong);
}
.sf-hero-proof strong { color: var(--fg); font-weight: 700; }
@media (max-width: 768px) {
  .sf-hero {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 26px 14px;
  }
  .sf-hero-proof {
    border-left: 0;
    border-top: 1px solid var(--muted-line);
    padding: 16px 0 0;
  }
}

/* Newsletter subscribe form (footer banner for guests) */
.sf-subscribe {
  border-top: 1px solid var(--fg);
  padding: 22px 28px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: end;
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sf-subscribe .blurb { display: flex; flex-direction: column; gap: 6px; }
.sf-subscribe .blurb .t {
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.sf-subscribe .blurb .d {
  font-size: 12px;
  color: var(--muted-strong);
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.4;
}
.sf-subscribe .form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  align-items: stretch;
}
.sf-subscribe .form input,
.sf-subscribe .form select {
  border: 1px solid var(--fg);
  background: var(--bg);
  color: var(--fg);
  padding: 8px 10px;
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.02em;
}
.sf-subscribe .form button {
  border: 2px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 16px;
  cursor: pointer;
}
.sf-subscribe .form button:hover { background: var(--fg); border-color: var(--fg); }
.sf-subscribe .form button:focus-visible,
.sf-subscribe .form input:focus-visible {
  outline: 3px solid var(--fg);
  outline-offset: 2px;
}
@media (max-width: 768px) {
  .sf-subscribe { grid-template-columns: 1fr; padding: 18px 14px; }
  .sf-subscribe .form { grid-template-columns: 1fr; }
}

/* Pretend-checkbox ascii */
.sf-check {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1px solid var(--fg);
  vertical-align: text-bottom;
  margin-right: 6px;
  position: relative;
}
.sf-check.on::after {
  content: "✕";
  position: absolute;
  inset: -3px 0 0;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

/* Theme toggle in header */
.sf-theme-btn {
  border: 1px solid var(--muted-line);
  padding: 1px 6px;
  font-size: 12px;
  cursor: pointer;
  font-weight: 700;
  user-select: none;
}

/* ============================================================
   PRO SECTION (settings modal sub-tabs)
   ============================================================ */
.sf-pro-section {
  border: 1px solid var(--accent);
  margin-top: 18px;
  padding: 0;
}
.sf-pro-section .head {
  border-bottom: 1px solid var(--accent);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--t-meta);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}
.sf-pro-section .head .label { color: var(--accent); }
.sf-pro-section .head .ttl { font-weight: 700; }
.sf-pro-section .head .badge {
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  font-size: 10px;
  letter-spacing: 0.1em;
}
.sf-pro-note {
  padding: 10px 16px;
  border-bottom: 1px solid var(--muted-line);
  background: rgba(255, 59, 0, 0.06);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg);
  font-weight: 500;
}
.sf-pro-note strong { font-weight: 700; }

/* In-tab help / manual blocks */
.sf-pro-help {
  border: 1px solid var(--muted-line);
  background: var(--bg);
  margin-bottom: 14px;
}
.sf-pro-help-lead {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--fg);
  border-bottom: 1px solid var(--muted-line);
}
.sf-pro-help-lead strong {
  display: inline-block;
  background: var(--fg);
  color: var(--bg);
  padding: 1px 6px;
  margin-right: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  vertical-align: 1px;
}
.sf-pro-help details { padding: 0; }
.sf-pro-help summary {
  list-style: none;
  cursor: pointer;
  padding: 8px 12px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  user-select: none;
  transition: color 120ms ease, background 120ms ease;
}
.sf-pro-help summary::-webkit-details-marker { display: none; }
.sf-pro-help summary:hover { color: var(--fg); background: rgba(10, 10, 10, 0.04); }
.sf-pro-help details[open] summary {
  color: var(--fg);
  border-bottom: 1px solid var(--muted-line);
  background: rgba(10, 10, 10, 0.04);
}
[data-invert="true"] .sf-pro-help summary:hover,
[data-invert="true"] .sf-pro-help details[open] summary {
  background: rgba(242, 240, 234, 0.06);
}
.sf-pro-help-body {
  padding: 12px 14px 14px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--fg);
}
.sf-pro-help-body p {
  margin: 12px 0 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.sf-pro-help-body p:first-child { margin-top: 0; }
.sf-pro-help-body ol,
.sf-pro-help-body ul {
  margin: 4px 0 8px;
  padding-left: 22px;
  list-style: none;
}
.sf-pro-help-body ol { counter-reset: hstep; }
.sf-pro-help-body ol > li {
  position: relative;
  padding: 3px 0;
  counter-increment: hstep;
}
.sf-pro-help-body ol > li::before {
  content: counter(hstep, decimal-leading-zero);
  position: absolute;
  left: -22px;
  color: var(--accent);
  font-weight: 700;
  font-size: 11px;
}
.sf-pro-help-body ul > li {
  position: relative;
  padding: 3px 0;
}
.sf-pro-help-body ul > li::before {
  content: "—";
  position: absolute;
  left: -16px;
  color: var(--accent);
  font-weight: 700;
}
.sf-pro-help-body ul ul { margin: 4px 0; }
.sf-pro-help-body ul ul > li::before { content: "·"; }
.sf-pro-help-body code {
  background: var(--fg);
  color: var(--bg);
  padding: 1px 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}
.sf-pro-help-body em { font-style: normal; font-weight: 700; }
.sf-pro-help-code {
  margin: 6px 0 10px;
  padding: 10px 12px;
  background: var(--fg);
  color: var(--bg);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre;
}
.sf-auth-promo {
  border: 1px solid var(--accent);
  background: rgba(255, 59, 0, 0.06);
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg);
  font-weight: 500;
  line-height: 1.5;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.sf-auth-promo .badge {
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.sf-auth-promo strong { font-weight: 700; }
.sf-pro-tabs {
  display: flex;
  border-bottom: 1px solid var(--muted-line);
}
.sf-pro-tabs .tab {
  flex: 1;
  padding: 10px 12px;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  color: var(--muted);
  border-right: 1px solid var(--muted-line);
}
.sf-pro-tabs .tab:last-child { border-right: 0; }
.sf-pro-tabs .tab.active { background: var(--accent); color: #fff; }
.sf-pro-panel {
  display: none;
  padding: 16px 18px;
}
.sf-pro-panel.active { display: block; }

.sf-pro-row {
  display: grid;
  grid-template-columns: 70px 1fr auto auto;
  gap: 8px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--muted-line);
  font-size: 12px;
}
.sf-pro-row:last-child { border-bottom: 0; }
.sf-pro-row .ty {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sf-pro-row .url-or-key {
  font-family: inherit;
  word-break: break-all;
  color: var(--fg);
}
.sf-pro-row .url-or-key .lbl { color: var(--muted); margin-right: 6px; font-size: 11px; }
.sf-pro-row .stat { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.sf-pro-row .acts { display: flex; gap: 4px; }
.sf-pro-row .acts button {
  border: 1px solid var(--fg);
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  font-size: 10px;
  padding: 3px 8px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sf-pro-row .acts button:hover { background: var(--fg); color: var(--bg); }
.sf-pro-row .acts button.danger { border-color: var(--accent); color: var(--accent); }
.sf-pro-row .acts button.danger:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.sf-pro-form {
  display: grid;
  gap: 8px;
  padding: 12px 0;
  border-top: 1px solid var(--fg);
  margin-top: 12px;
}
.sf-pro-form .row {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 8px;
  align-items: center;
}
.sf-pro-form input, .sf-pro-form select, .sf-pro-form textarea {
  border: 1px solid var(--fg);
  background: var(--bg);
  color: var(--fg);
  padding: 6px 8px;
  font: inherit;
  font-size: 12px;
}
.sf-pro-form textarea { min-height: 60px; resize: vertical; }
.sf-pro-form .label-cell {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 700;
}
.sf-pro-empty {
  color: var(--muted);
  font-size: 12px;
  padding: 12px 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sf-pro-locked {
  padding: 18px 16px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sf-pro-locked .ttl {
  display: block;
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 6px;
  letter-spacing: 0.08em;
}

/* Pro section responsive */
@media (max-width: 768px) {
  .sf-pro-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .sf-pro-row .acts {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .sf-pro-form .row {
    grid-template-columns: 1fr;
  }
  .sf-pro-form .label-cell {
    margin-bottom: 4px;
  }
  .sf-pro-tabs .tab {
    font-size: 10px;
    padding: 8px 6px;
    letter-spacing: 0.04em;
  }
  .sf-pro-section .head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}
