/* ==========================================================
   BERT PLUGIN - Brute Force Attack
   Extracted from brute-force-attack.html
   Scoped to: body.bert-page-brute-force-attack
   Responsive: 1024px hamburger, 768px single-col, 375px
   Touch tap targets: min 44px
   ========================================================== */

:root {
  --bfa-bg: #040302;
  --bfa-surface: #080604;
  --bfa-card: #0d0a06;
  --bfa-card2: #141008;
  --bfa-border: #221808;
  --bfa-border2: #3a2a10;
  --bfa-orange: #ff6b00;
  --bfa-orange2: #ff9a3c;
  --bfa-orange3: #ffb866;
  --bfa-yellow: #ffe566;
  --bfa-red: #ff2d2d;
  --bfa-red2: #ff5555;
  --bfa-green: #3ddc84;
  --bfa-green2: #00c853;
  --bfa-teal: #00e5cc;
  --bfa-steel: #90a4ae;
  --bfa-white: #fff8f0;
  --bfa-text: #e8ddd0;
  --bfa-text-mid: #7a6a55;
  --bfa-text-dim: #261c0e;
  --bfa-mono: 'Source Code Pro', monospace;
  --bfa-display: 'Oswald', sans-serif;
  --bfa-body: 'Libre Franklin', sans-serif;
}

body.bert-page-brute-force-attack {
  background: var(--bfa-bg);
  color: var(--bfa-text);
  font-family: var(--bfa-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

body.bert-page-brute-force-attack::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: repeating-linear-gradient(-45deg, transparent 0px, transparent 28px,
      rgba(255, 107, 0, .022) 28px, rgba(255, 107, 0, .022) 29px);
  pointer-events: none;
  z-index: 0;
}

body.bert-page-brute-force-attack::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(255, 107, 0, .08) 0%, transparent 40%),
    radial-gradient(ellipse at 100% 100%, rgba(255, 45, 45, .04) 0%, transparent 35%);
  pointer-events: none;
  z-index: 0;
}

/* ── SCROLL PROGRESS ── */
#bfa-prog {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--bfa-orange), var(--bfa-orange2), var(--bfa-yellow));
  box-shadow: 0 0 14px rgba(255, 107, 0, .7), 0 0 28px rgba(255, 107, 0, .3);
  transition: width .4s cubic-bezier(.4, 0, .2, 1);
  z-index: 1000;
  width: 0%;
}

/* ── MOBILE NAV ── */
.bfa-nav-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 300;
  background: var(--bfa-card);
  border: 1px solid var(--bfa-border2);
  color: var(--bfa-orange);
  font-family: var(--bfa-mono);
  font-size: 0.65rem;
  letter-spacing: .1em;
  padding: .55rem 1rem;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  transition: background .2s;
}

.bfa-nav-toggle:hover {
  background: rgba(255, 107, 0, .08);
}

.bfa-nav-drawer {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bfa-card2);
  border-bottom: 1px solid var(--bfa-border2);
  z-index: 250;
  padding: 3.5rem 1.5rem 1.5rem;
  animation: bfa-slide-down .25s ease;
}

.bfa-nav-drawer.open {
  display: block;
}

@keyframes bfa-slide-down {
  from {
    transform: translateY(-100%);
    opacity: 0
  }

  to {
    transform: none;
    opacity: 1
  }
}

.bfa-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.bfa-nav-list a {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .75rem 1rem;
  min-height: 44px;
  font-family: var(--bfa-mono);
  font-size: .63rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--bfa-text-mid);
  text-decoration: none;
  border: 1px solid transparent;
  transition: all .2s;
}

.bfa-nav-list a:hover {
  color: var(--bfa-orange);
  border-color: var(--bfa-border2);
  background: rgba(255, 107, 0, .05);
}

.bfa-nav-close {
  position: absolute;
  top: .8rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--bfa-text-dim);
  cursor: pointer;
  font-size: 1.2rem;
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── CONTAINER ── */
.bfa-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

/* ── ATTEMPT COUNTER BANNER ── */
.attempt-banner {
  background: var(--bfa-surface);
  border-bottom: 1px solid var(--bfa-border);
  height: 34px;
  overflow: hidden;
  display: flex;
  align-items: stretch;
}

.ab-badge {
  background: var(--bfa-orange);
  display: flex;
  align-items: center;
  padding: 0 20px 0 16px;
  font-family: var(--bfa-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .14em;
  color: #000;
  white-space: nowrap;
  flex-shrink: 0;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 0 100%);
  padding-right: 26px;
}

.ab-scroll {
  flex: 1;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
}

.ab-scroll::before,
.ab-scroll::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50px;
  z-index: 2;
}

.ab-scroll::before {
  left: 0;
  background: linear-gradient(90deg, var(--bfa-surface), transparent);
}

.ab-scroll::after {
  right: 0;
  background: linear-gradient(-90deg, var(--bfa-surface), transparent);
}

.ab-inner {
  display: flex;
  gap: 0;
  white-space: nowrap;
  animation: bfa-ticker 32s linear infinite;
  font-family: var(--bfa-mono);
  font-size: 10.5px;
}

@keyframes bfa-ticker {
  from {
    transform: translateX(0)
  }

  to {
    transform: translateX(-50%)
  }
}

.ab-item {
  padding: 0 22px;
  height: 34px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-right: 1px solid var(--bfa-border);
}

.ab-item .ai-label {
  color: var(--bfa-text-dim);
  letter-spacing: .1em;
}

.ab-item.try .ai-val {
  color: var(--bfa-orange2);
}

.ab-item.fail .ai-val {
  color: var(--bfa-red2);
}

.ab-item.hit .ai-val {
  color: var(--bfa-green);
  font-weight: 700;
}

.ab-item.warn .ai-val {
  color: var(--bfa-yellow);
}

/* ── HEADER ── */
.bfa-header {
  padding: 52px 0 40px;
  border-bottom: 1px solid var(--bfa-border);
  position: relative;
  overflow: hidden;
}

.lock-decor {
  position: absolute;
  right: 20px;
  top: 20px;
  display: flex;
  gap: 6px;
  opacity: .08;
  pointer-events: none;
}

.lock-dial {
  width: 50px;
  height: 200px;
  overflow: hidden;
  border: 1px solid var(--bfa-orange);
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lock-digits {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: var(--bfa-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--bfa-orange);
  line-height: 2;
  animation: bfa-dial-spin linear infinite;
}

.lock-dial:nth-child(1) .lock-digits {
  animation-duration: 1.1s;
}

.lock-dial:nth-child(2) .lock-digits {
  animation-duration: .9s;
}

.lock-dial:nth-child(3) .lock-digits {
  animation-duration: 1.3s;
}

.lock-dial:nth-child(4) .lock-digits {
  animation-duration: .7s;
}

.lock-dial:nth-child(5) .lock-digits {
  animation-duration: 1.5s;
}

@keyframes bfa-dial-spin {
  from {
    transform: translateY(0)
  }

  to {
    transform: translateY(-50%)
  }
}

.h-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--bfa-mono);
  font-size: 10px;
  letter-spacing: .35em;
  color: var(--bfa-orange);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.ey-bracket {
  color: var(--bfa-text-dim);
}

h1.bfa-h1 {
  font-family: var(--bfa-display);
  font-size: clamp(50px, 9vw, 112px);
  font-weight: 700;
  line-height: .86;
  letter-spacing: .04em;
  color: var(--bfa-white);
  text-transform: uppercase;
}

h1.bfa-h1 .bfa-accent {
  display: block;
  color: var(--bfa-orange);
  text-shadow: 0 0 40px rgba(255, 107, 0, .5), 0 0 80px rgba(255, 107, 0, .15);
}

h1.bfa-h1 .bfa-accent-bar {
  display: block;
  height: 5px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--bfa-orange), var(--bfa-orange2), transparent);
  box-shadow: 0 0 16px rgba(255, 107, 0, .5);
  animation: bfa-bar-beat 2s ease-in-out infinite;
}

@keyframes bfa-bar-beat {

  0%,
  100% {
    opacity: .8;
    transform: scaleX(1)
  }

  50% {
    opacity: 1;
    box-shadow: 0 0 28px rgba(255, 107, 0, .8)
  }
}

h1.bfa-h1 .bfa-sub-line {
  display: block;
  font-family: var(--bfa-body);
  font-size: .26em;
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--bfa-text-mid);
  margin-top: 16px;
  text-transform: none;
}

.h-desc {
  font-size: 17px;
  color: var(--bfa-text-mid);
  max-width: 640px;
  margin-top: 22px;
  font-weight: 400;
  line-height: 1.8;
}

.threat-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  padding: 7px 18px;
  background: rgba(255, 107, 0, .08);
  border: 1px solid rgba(255, 107, 0, .35);
  font-family: var(--bfa-mono);
  font-size: 10px;
  color: var(--bfa-orange2);
  letter-spacing: .18em;
}

.tb-warn {
  color: var(--bfa-red2);
  animation: bfa-blink 1s step-end infinite;
}

@keyframes bfa-blink {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: 0
  }
}

/* ── STATS ── */
.bfa-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--bfa-border);
  border: 1px solid var(--bfa-border);
  margin-top: 40px;
}

.s-cell {
  background: var(--bfa-card);
  padding: 22px 18px;
  position: relative;
  overflow: hidden;
  transition: background .2s;
}

.s-cell:hover {
  background: var(--bfa-card2);
}

.s-cell::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  bottom: 0;
}

.s-cell:nth-child(1)::before {
  background: var(--bfa-orange);
}

.s-cell:nth-child(2)::before {
  background: var(--bfa-red2);
}

.s-cell:nth-child(3)::before {
  background: var(--bfa-yellow);
}

.s-cell:nth-child(4)::before {
  background: var(--bfa-green);
}

.bfa-sl {
  font-family: var(--bfa-mono);
  font-size: 9px;
  letter-spacing: .3em;
  color: var(--bfa-text-dim);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.bfa-sv {
  font-family: var(--bfa-display);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 1;
}

.s-cell:nth-child(1) .bfa-sv {
  color: var(--bfa-orange);
}

.s-cell:nth-child(2) .bfa-sv {
  color: var(--bfa-red2);
}

.s-cell:nth-child(3) .bfa-sv {
  color: var(--bfa-yellow);
}

.s-cell:nth-child(4) .bfa-sv {
  color: var(--bfa-green);
}

.bfa-sd {
  font-size: 12px;
  color: var(--bfa-text-mid);
  font-weight: 400;
  line-height: 1.5;
}

/* ── SECTION HEADING ── */
.bfa-sec {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 52px;
  margin-bottom: 26px;
}

.bfa-sn {
  font-family: var(--bfa-mono);
  font-size: 10px;
  color: var(--bfa-orange);
  opacity: .5;
}

.bfa-st {
  font-family: var(--bfa-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--bfa-white);
  text-transform: uppercase;
}

.bfa-sr {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--bfa-border2) 0%, transparent 100%);
}

/* ── LIVE BRUTE FORCE SIM ── */
.bforce-sim {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2px;
  background: var(--bfa-border);
  border: 1px solid var(--bfa-border);
  margin-bottom: 52px;
}

.bfs-left {
  background: var(--bfa-card);
  padding: 28px;
}

.bfs-right {
  background: var(--bfa-surface);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.bfs-title {
  font-family: var(--bfa-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--bfa-white);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.bfs-sub {
  font-size: 13px;
  color: var(--bfa-text-mid);
  margin-bottom: 18px;
  line-height: 1.6;
}

.mode-tabs {
  display: flex;
  gap: 1px;
  background: var(--bfa-border);
  border: 1px solid var(--bfa-border);
  margin-bottom: 12px;
}

.mode-tab {
  flex: 1;
  background: var(--bfa-surface);
  border: none;
  cursor: pointer;
  padding: 10px 6px;
  min-height: 44px;
  text-align: center;
  font-family: var(--bfa-mono);
  font-size: 9px;
  letter-spacing: .1em;
  color: var(--bfa-text-dim);
  text-transform: uppercase;
  transition: all .2s;
  position: relative;
}

.mode-tab::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  transform: scaleX(0);
  transition: transform .2s;
  background: var(--bfa-orange);
}

.mode-tab.active {
  background: var(--bfa-card2);
  color: var(--bfa-orange);
}

.mode-tab.active::after {
  transform: scaleX(1);
}

.target-pw-wrap {
  background: #060402;
  border: 1px solid var(--bfa-border);
  padding: 16px 20px;
  margin-bottom: 16px;
}

.tpw-label {
  font-family: var(--bfa-mono);
  font-size: 9px;
  letter-spacing: .25em;
  color: var(--bfa-text-dim);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.tpw-display {
  font-family: var(--bfa-display);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--bfa-orange);
  text-shadow: 0 0 20px rgba(255, 107, 0, .4);
  min-height: 44px;
}

.attempt-stream {
  background: #030201;
  border: 1px solid var(--bfa-border);
  height: 200px;
  overflow: hidden;
  position: relative;
}

.attempt-stream::before {
  content: 'ATTEMPTING';
  position: absolute;
  top: 8px;
  right: 10px;
  font-family: var(--bfa-mono);
  font-size: 8px;
  letter-spacing: .2em;
  color: var(--bfa-text-dim);
  z-index: 2;
}

.as-list {
  padding: 10px 14px;
  font-family: var(--bfa-mono);
  font-size: 11px;
  line-height: 2;
  animation: bfa-scroll 12s linear infinite;
}

@keyframes bfa-scroll {
  from {
    transform: translateY(0)
  }

  to {
    transform: translateY(-50%)
  }
}

.as-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.as-num {
  color: var(--bfa-text-dim);
  min-width: 70px;
  font-size: 10px;
}

.as-val {
  color: var(--bfa-text-mid);
}

.as-row.hit .as-val {
  color: var(--bfa-green);
  font-weight: 700;
}

.as-row.near .as-val {
  color: var(--bfa-orange2);
}

.ks-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--bfa-border);
  margin-bottom: 16px;
}

.ks-cell {
  background: var(--bfa-card2);
  padding: 14px 12px;
  text-align: center;
}

.ks-label {
  font-family: var(--bfa-mono);
  font-size: 8px;
  letter-spacing: .18em;
  color: var(--bfa-text-dim);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.ks-val {
  font-family: var(--bfa-display);
  font-size: 22px;
  font-weight: 700;
}

.ks-cell.tried .ks-val {
  color: var(--bfa-orange3);
}

.ks-cell.remain .ks-val {
  color: var(--bfa-red2);
}

.ks-cell.pct .ks-val {
  color: var(--bfa-yellow);
}

.spd-row {
  margin-bottom: 10px;
}

.spd-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

.spd-lbl {
  font-family: var(--bfa-mono);
  font-size: 9px;
  letter-spacing: .18em;
  color: var(--bfa-text-dim);
  text-transform: uppercase;
}

.spd-val {
  font-family: var(--bfa-mono);
  font-size: 9px;
  color: var(--bfa-orange);
}

.spd-bar {
  height: 7px;
  background: var(--bfa-border);
  border-radius: 1px;
  overflow: hidden;
}

.spd-fill {
  height: 100%;
  border-radius: 1px;
  animation: bfa-spd-pulse 2s ease-in-out infinite;
}

.spd-fill.a {
  background: linear-gradient(90deg, var(--bfa-orange), var(--bfa-orange2));
}

.spd-fill.b {
  background: var(--bfa-red2);
}

.spd-fill.c {
  background: var(--bfa-green);
}

@keyframes bfa-spd-pulse {

  0%,
  100% {
    opacity: .8
  }

  50% {
    opacity: 1
  }
}

.sim-hit-msg {
  display: none;
  background: rgba(61, 220, 132, .08);
  border: 1px solid var(--bfa-green);
  padding: 10px 14px;
  font-family: var(--bfa-mono);
  font-size: 11px;
  color: var(--bfa-green);
  text-align: center;
}

.sim-hit-msg.show {
  display: block;
}

/* ── ATTACK TYPE GRID ── */
.type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--bfa-border);
  border: 1px solid var(--bfa-border);
  margin-bottom: 52px;
}

.tc {
  background: var(--bfa-card);
  padding: 24px 20px;
  position: relative;
  overflow: hidden;
  transition: background .2s;
}

.tc:hover {
  background: var(--bfa-card2);
}

.tc::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.tc:nth-child(1)::after {
  background: var(--bfa-orange);
}

.tc:nth-child(2)::after {
  background: var(--bfa-red2);
}

.tc:nth-child(3)::after {
  background: var(--bfa-yellow);
}

.tc:nth-child(4)::after {
  background: var(--bfa-green);
}

.tc:nth-child(5)::after {
  background: var(--bfa-teal);
}

.tc:nth-child(6)::after {
  background: var(--bfa-orange3);
}

.tc-ico {
  font-size: 28px;
  margin-bottom: 12px;
  display: block;
}

.tc-name {
  font-family: var(--bfa-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--bfa-white);
  margin-bottom: 5px;
}

.tc-id {
  font-family: var(--bfa-mono);
  font-size: 9px;
  letter-spacing: .1em;
  color: var(--bfa-text-dim);
  margin-bottom: 10px;
}

.tc-desc {
  font-size: 13px;
  color: var(--bfa-text-mid);
  line-height: 1.65;
  font-weight: 400;
}

.tc-speed {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--bfa-mono);
  font-size: 10px;
}

.tc-speed .sp-label {
  color: var(--bfa-text-dim);
}

.tc-speed .sp-val {
  color: var(--bfa-orange2);
  font-weight: 600;
}

/* ── HASH CRACKING DEMO ── */
.hash-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--bfa-border);
  border: 1px solid var(--bfa-border);
  margin-bottom: 52px;
}

.hash-demo>div {
  min-width: 0;
}

.hd-l {
  background: var(--bfa-card);
  padding: 32px 28px;
}

.hd-r {
  background: var(--bfa-surface);
  padding: 32px 28px;
}

.hd-title {
  font-family: var(--bfa-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--bfa-white);
  margin-bottom: 6px;
}

.hd-sub {
  font-size: 13px;
  color: var(--bfa-text-mid);
  margin-bottom: 20px;
}

.hash-row {
  background: #030201;
  border: 1px solid var(--bfa-border);
  padding: 12px 16px;
  margin-bottom: 12px;
  font-family: var(--bfa-mono);
  font-size: 11px;
  overflow: hidden;
}

.hr-label {
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--bfa-text-dim);
  text-transform: uppercase;
  margin-bottom: 6px;
  word-break: break-word;
}

.hr-algo {
  color: var(--bfa-orange2);
  margin-bottom: 4px;
  word-break: break-word;
}

.hr-hash {
  color: var(--bfa-text-mid);
  word-break: break-all;
  line-height: 1.8;
}

.hr-plain-wrap {
  margin-top: 6px;
  font-size: 9px;
  color: var(--bfa-text-dim);
}

.hr-plain {
  color: var(--bfa-green);
}

.wl-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}

.wl-cell {
  background: var(--bfa-card2);
  border: 1px solid var(--bfa-border);
  padding: 12px 14px;
}

.wl-cell-lbl {
  font-family: var(--bfa-mono);
  font-size: 9px;
  letter-spacing: .15em;
  color: var(--bfa-text-dim);
  text-transform: uppercase;
  margin-bottom: 5px;
}

.wl-cell-val {
  font-family: var(--bfa-display);
  font-size: 20px;
  font-weight: 700;
}

.wl-cell:nth-child(1) .wl-cell-val {
  color: var(--bfa-orange);
}

.wl-cell:nth-child(2) .wl-cell-val {
  color: var(--bfa-red2);
}

.wl-cell:nth-child(3) .wl-cell-val {
  color: var(--bfa-green);
}

.wl-cell:nth-child(4) .wl-cell-val {
  color: var(--bfa-yellow);
}

/* ── ATTACK FLOW DIAGRAM ── */
.bfa-diag {
  background: var(--bfa-card);
  border: 1px solid var(--bfa-border);
  padding: 24px 20px;
  margin-bottom: 52px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.bfa-diag svg {
  display: block;
  width: 100%;
  min-width: 600px;
}

.da {
  stroke-dasharray: 5, 3;
  animation: bfa-dash 1s linear infinite;
}

@keyframes bfa-dash {
  to {
    stroke-dashoffset: -8
  }
}

/* ── STEP TABS ── */
.bfa-tabs {
  display: flex;
  background: var(--bfa-border);
  border: 1px solid var(--bfa-border);
  gap: 1px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab {
  flex: 1;
  min-width: 80px;
  background: var(--bfa-surface);
  border: none;
  cursor: pointer;
  padding: 14px 8px;
  min-height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  position: relative;
  transition: background .2s;
}

.tab::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  transform: scaleX(0);
  transition: transform .25s;
}

.tab.active {
  background: var(--bfa-card2);
}

.tab.active::after {
  transform: scaleX(1);
  background: var(--bfa-orange);
  box-shadow: 0 0 10px rgba(255, 107, 0, .6);
}

.tab.done::after {
  transform: scaleX(1);
  background: var(--bfa-green);
}

.tab .ti {
  font-size: 17px;
  filter: grayscale(1);
  opacity: .35;
  transition: all .2s;
}

.tab.active .ti,
.tab.done .ti {
  filter: none;
  opacity: 1;
}

.tab .tn {
  font-family: var(--bfa-mono);
  font-size: 9px;
  color: var(--bfa-text-dim);
  letter-spacing: .12em;
}

.tab .tl {
  font-family: var(--bfa-body);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--bfa-text-dim);
  text-align: center;
}

.tab.active .tn,
.tab.active .tl {
  color: var(--bfa-orange);
}

.tab.done .tn,
.tab.done .tl {
  color: var(--bfa-green);
}

/* ── PANELS ── */
.bfa-panel {
  display: none;
  border: 1px solid var(--bfa-border);
  border-top: none;
  background: var(--bfa-card);
  animation: bfa-panel-in .3s ease;
}

.bfa-panel.active {
  display: block;
}

@keyframes bfa-panel-in {
  from {
    opacity: 0;
    transform: translateY(8px)
  }

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

.pgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 420px;
}

.pl {
  padding: 36px 32px;
  border-right: 1px solid var(--bfa-border);
}

.pr {
  padding: 32px 28px;
  background: var(--bfa-surface);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.p-phase {
  font-family: var(--bfa-mono);
  font-size: 9px;
  letter-spacing: .35em;
  color: var(--bfa-orange);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.p-title {
  font-family: var(--bfa-display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: .03em;
  line-height: 1.0;
  color: var(--bfa-white);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.ctx-box {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 16px;
  margin-bottom: 20px;
  background: rgba(255, 107, 0, .05);
  border-left: 3px solid var(--bfa-orange);
}

.cx-ico {
  font-size: 22px;
}

.cx-lbl {
  font-family: var(--bfa-mono);
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--bfa-text-dim);
  margin-bottom: 3px;
}

.cx-val {
  font-family: var(--bfa-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--bfa-text);
}

.p-body {
  font-size: 15px;
  color: var(--bfa-text-mid);
  line-height: 1.8;
  font-weight: 400;
  margin-bottom: 20px;
}

.p-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.p-list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--bfa-text-mid);
  line-height: 1.5;
}

.p-list li::before {
  content: '▶';
  color: var(--bfa-orange);
  flex-shrink: 0;
  margin-top: 3px;
  font-size: 9px;
}

/* ── TERMINAL ── */
.term {
  background: #020100;
  border: 1px solid var(--bfa-border);
  border-radius: 3px;
  overflow: hidden;
  font-family: var(--bfa-mono);
  font-size: 12px;
}

.tbar {
  background: #040200;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--bfa-border);
}

.td {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.td.r {
  background: #ff5f57
}

.td.y {
  background: #ffbd2e
}

.td.g {
  background: #28ca41
}

.ttl {
  margin-left: 8px;
  font-size: 10px;
  color: var(--bfa-text-dim);
  letter-spacing: .1em;
}

.tbody {
  padding: 16px 18px;
  line-height: 2.1;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tbody .pr {
  color: var(--bfa-orange3);
}

.tbody .cm {
  color: var(--bfa-text);
}

.tbody .out {
  color: var(--bfa-text-mid);
}

.tbody .hl {
  color: var(--bfa-orange);
}

.tbody .hl2 {
  color: var(--bfa-orange2);
}

.tbody .ok {
  color: var(--bfa-green);
}

.tbody .er {
  color: var(--bfa-red2);
}

.tbody .or {
  color: var(--bfa-orange2);
}

.tbody .sp {
  color: var(--bfa-text-dim);
}

.tbody .ye {
  color: var(--bfa-yellow);
}

.tbody .te {
  color: var(--bfa-teal);
}

.tbody .st {
  color: var(--bfa-steel);
}

/* ── PANEL CONTROLS ── */
.bfa-ctrl {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  flex-wrap: wrap;
  gap: .5rem;
  background: var(--bfa-surface);
  border: 1px solid var(--bfa-border);
  border-top: none;
}

.cbtn {
  font-family: var(--bfa-mono);
  font-size: 11px;
  letter-spacing: .12em;
  padding: 10px 22px;
  min-height: 44px;
  border: 1px solid;
  background: transparent;
  cursor: pointer;
  transition: all .2s;
  text-transform: uppercase;
}

.cbtn-p {
  border-color: var(--bfa-border);
  color: var(--bfa-text-dim);
}

.cbtn-p:hover:not(:disabled) {
  border-color: var(--bfa-text-mid);
  color: var(--bfa-text);
}

.cbtn-p:disabled {
  opacity: .25;
  cursor: default;
}

.cbtn-n {
  border-color: var(--bfa-orange);
  color: var(--bfa-orange2);
}

.cbtn-n:hover:not(:disabled) {
  background: var(--bfa-orange);
  color: #000;
  box-shadow: 0 0 24px rgba(255, 107, 0, .5);
}

.cbtn-n:disabled {
  opacity: .25;
  cursor: default;
}

.c-ind {
  font-family: var(--bfa-mono);
  font-size: 11px;
  color: var(--bfa-text-dim);
  letter-spacing: .1em;
}

.c-ind em {
  color: var(--bfa-orange);
  font-style: normal;
}

/* ── KEYSPACE TABLE ── */
.keyspace-table-wrap {
  margin-bottom: 52px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.kt-label {
  font-family: var(--bfa-mono);
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--bfa-text-dim);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.keyspace-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  min-width: 600px;
}

.keyspace-table thead {
  background: var(--bfa-card2);
}

.keyspace-table th {
  font-family: var(--bfa-mono);
  font-size: 9px;
  letter-spacing: .18em;
  color: var(--bfa-text-dim);
  text-transform: uppercase;
  padding: 10px 12px;
  border: 1px solid var(--bfa-border);
  text-align: left;
  white-space: nowrap;
}

.keyspace-table td {
  padding: 10px 12px;
  border: 1px solid var(--bfa-border);
  background: var(--bfa-card);
  color: var(--bfa-text-mid);
  vertical-align: middle;
}

.keyspace-table tr:hover td {
  background: var(--bfa-card2);
}

.td-len {
  font-family: var(--bfa-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--bfa-orange);
  text-align: center;
  white-space: nowrap;
}

.td-ks {
  font-family: var(--bfa-mono);
  font-size: 10px;
}

.td-time-s {
  color: var(--bfa-red2);
  font-family: var(--bfa-mono);
  font-size: 10px;
  white-space: nowrap;
}

.td-time-m {
  color: var(--bfa-orange2);
  font-family: var(--bfa-mono);
  font-size: 10px;
  white-space: nowrap;
}

.td-time-h {
  color: var(--bfa-yellow);
  font-family: var(--bfa-mono);
  font-size: 10px;
  white-space: nowrap;
}

.td-time-x {
  color: var(--bfa-green);
  font-family: var(--bfa-mono);
  font-size: 10px;
  white-space: nowrap;
}

.entropy-bar {
  height: 5px;
  background: var(--bfa-border);
  border-radius: 1px;
  width: 80px;
  overflow: hidden;
}

.entropy-fill {
  height: 100%;
  border-radius: 1px;
}

.td-verdict {
  font-family: var(--bfa-mono);
  font-size: 8px;
  letter-spacing: .1em;
  padding: 2px 7px;
  border: 1px solid;
  white-space: nowrap;
}

.td-verdict.crit {
  color: var(--bfa-red2);
  border-color: rgba(255, 85, 85, .5);
}

.td-verdict.risk {
  color: var(--bfa-orange2);
  border-color: rgba(255, 154, 60, .5);
}

.td-verdict.safe {
  color: var(--bfa-green);
  border-color: rgba(61, 220, 132, .5);
}

/* ── DETECTION CARDS ── */
.detect-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--bfa-border);
  border: 1px solid var(--bfa-border);
  margin-bottom: 52px;
}

.det-card {
  background: var(--bfa-card);
  padding: 24px 20px;
  position: relative;
  overflow: hidden;
  transition: background .2s;
}

.det-card:hover {
  background: var(--bfa-card2);
}

.det-sev {
  display: inline-block;
  font-family: var(--bfa-mono);
  font-size: 8px;
  letter-spacing: .12em;
  padding: 2px 8px;
  border: 1px solid;
  margin-bottom: 10px;
}

.det-sev.h {
  color: var(--bfa-red2);
  border-color: rgba(255, 85, 85, .5);
}

.det-sev.m {
  color: var(--bfa-orange2);
  border-color: rgba(255, 154, 60, .5);
}

.det-sev.l {
  color: var(--bfa-yellow);
  border-color: rgba(255, 229, 102, .5);
}

.det-title {
  font-family: var(--bfa-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--bfa-white);
  margin-bottom: 8px;
}

.det-desc {
  font-size: 13px;
  color: var(--bfa-text-mid);
  line-height: 1.65;
}

.det-code {
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--bfa-surface);
  border: 1px solid var(--bfa-border);
  font-family: var(--bfa-mono);
  font-size: 10px;
  color: var(--bfa-orange2);
  line-height: 1.9;
  white-space: pre-wrap;
}

/* ── DEFENSE CARDS ── */
.bfa-def-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--bfa-border);
  border: 1px solid var(--bfa-border);
  margin-bottom: 52px;
}

.def-card {
  background: var(--bfa-card);
  padding: 24px 20px;
  transition: background .2s;
  position: relative;
  overflow: hidden;
}

.def-card:hover {
  background: var(--bfa-card2);
}

.def-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 2px;
  background: var(--bfa-green2);
  opacity: .2;
  transition: opacity .2s;
}

.def-card:hover::before {
  opacity: .9;
}

.def-ico {
  font-size: 24px;
  margin-bottom: 12px;
}

.def-title {
  font-family: var(--bfa-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--bfa-green);
  margin-bottom: 8px;
}

.def-desc {
  font-size: 13px;
  color: var(--bfa-text-mid);
  line-height: 1.65;
}

.def-code {
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--bfa-surface);
  border: 1px solid var(--bfa-border);
  font-family: var(--bfa-mono);
  font-size: 10px;
  color: var(--bfa-green);
  line-height: 1.9;
  white-space: pre-wrap;
}

/* ── FOOTER ── */
.bfa-footer {
  border-top: 1px solid var(--bfa-border);
  padding: 24px 0;
  text-align: center;
  font-family: var(--bfa-mono);
  font-size: 10px;
  color: var(--bfa-text-dim);
  letter-spacing: .15em;
}

/* ==========================================================
   RESPONSIVE
   ========================================================== */

@media (max-width: 1024px) {
  .bfa-nav-toggle {
    display: flex;
  }

  .bfa-container {
    padding: 0 20px;
  }

  .bfa-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .type-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .detect-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bfa-def-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .bfa-header {
    padding: 40px 0 28px;
  }

  .bfa-stats {
    grid-template-columns: 1fr;
  }

  .bforce-sim {
    grid-template-columns: 1fr;
  }

  .bfs-left {
    border-bottom: 2px solid var(--bfa-border);
  }

  .type-grid {
    grid-template-columns: 1fr;
  }

  .hash-demo {
    grid-template-columns: 1fr;
  }

  .hd-l {
    border-bottom: 2px solid var(--bfa-border);
    padding: 24px 20px;
  }

  .hd-r {
    padding: 24px 20px;
  }

  .wl-stats {
    grid-template-columns: 1fr;
  }

  .pgrid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .pl {
    border-right: none;
    border-bottom: 1px solid var(--bfa-border);
    padding: 24px 20px;
  }

  .pr {
    padding: 24px 20px;
  }

  .detect-grid {
    grid-template-columns: 1fr;
  }

  .bfa-def-grid {
    grid-template-columns: 1fr;
  }

  .bfa-ctrl {
    padding: 12px 16px;
  }

  .lock-decor {
    display: none;
  }

  .bfa-sec {
    padding-top: 36px;
  }
}

@media (max-width: 420px) {
  .bfa-container {
    padding: 0 14px;
  }

  .cbtn {
    padding: 10px 14px;
    font-size: 10px;
  }

  .tab {
    min-width: 60px;
    padding: 12px 4px;
  }

  .tab .tl {
    font-size: 9px;
  }

  .tpw-display {
    font-size: 24px;
  }

  h1.bfa-h1 {
    font-size: 42px;
  }

  .p-title {
    font-size: 24px;
  }

  .hd-title {
    font-size: 16px;
  }

  .hr-hash {
    font-size: 10px;
  }

  .tbody {
    padding: 12px 14px;
    font-size: 10px;
  }
}

@media (hover: none) and (pointer: coarse) {
  .tab {
    min-height: 52px;
  }

  .cbtn {
    min-height: 48px;
  }

  .mode-tab {
    min-height: 48px;
    padding: 12px 6px;
  }
}