/* ============================================================
   TypeWriter — Vintage Typewriter Aesthetic
   cr0ss0ver.com
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Special+Elite&family=Courier+Prime:ital,wght@0,400;0,700;1,400&display=swap');

/* ---- CSS Variables ---- */
:root {
  --parchment:      #f4e8ce;
  --parchment-mid:  #ead5aa;
  --parchment-deep: #d5bb88;
  --ink:            #1c0f05;
  --ink-mid:        #3b2415;
  --ink-faded:      #6b4a30;
  --red-ink:        #8c1a1a;
  --green-ink:      #1e5c1e;
  --metal-light:    #a89070;
  --metal:          #7a6048;
  --metal-dark:     #4a3820;
  --chrome:         #c0a880;
  --key-body:       #2a1c0e;
  --page-bg:        #1e1408;
  --shadow-ink:     rgba(28, 15, 5, 0.45);

  --font-main:   'Special Elite', 'Courier New', monospace;
  --font-mono:   'Courier Prime', 'Courier New', monospace;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--page-bg);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(60,35,10,0.3) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(40,20,5,0.2) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='3' height='3'%3E%3Crect width='3' height='3' fill='%231e1408'/%3E%3Crect x='0' y='0' width='1' height='1' fill='%23170f06' opacity='0.5'/%3E%3Crect x='2' y='1' width='1' height='1' fill='%23261a09' opacity='0.4'/%3E%3C/svg%3E");
  font-family: var(--font-main);
  color: var(--ink);
  min-height: 100vh;
}

/* ============================================================
   ADS
   ============================================================ */
.ad-strip {
  background: rgba(0,0,0,0.25);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  padding: 8px 16px;
  text-align: center;
  min-height: 106px;
}

.ad-strip.ad-mid,
.ad-strip.ad-bottom { border-top: 1px solid rgba(255,255,255,0.04); border-bottom: none; }

.ad-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 3px;
  color: rgba(192,168,128,0.35);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.ad-sidebar {
  flex-shrink: 0;
  width: 168px;
  position: sticky;
  top: 20px;
  text-align: center;
  padding-top: 10px;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.page-layout {
  display: flex;
  max-width: 1380px;
  margin: 0 auto;
  padding: 24px 16px;
  gap: 20px;
  align-items: flex-start;
}

.main { flex: 1; min-width: 0; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  text-align: center;
  padding: 28px 20px 20px;
}

.header-keys {
  font-family: var(--font-main);
  font-size: 0.7rem;
  letter-spacing: 10px;
  color: var(--chrome);
  opacity: 0.4;
  margin: 6px 0;
  user-select: none;
}

.site-title {
  font-family: var(--font-main);
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  color: var(--parchment);
  letter-spacing: 8px;
  text-transform: uppercase;
  margin: 12px 0 6px;
  text-shadow:
    3px 3px 0 var(--ink),
    0 0 50px rgba(244,232,206,0.06);
  line-height: 1;
}

.title-icon {
  display: inline-block;
  font-size: 0.55em;
  vertical-align: middle;
  color: var(--chrome);
  margin-right: 8px;
  transform: translateY(-3px);
}

.site-subtitle {
  font-family: var(--font-mono);
  font-style: italic;
  font-size: 0.9rem;
  letter-spacing: 2px;
  color: var(--chrome);
  opacity: 0.75;
  margin-top: 4px;
}

/* ============================================================
   CONTROLS BAR
   ============================================================ */
.controls-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: linear-gradient(180deg, #3a2810 0%, #2e1f0c 100%);
  border: 1px solid var(--metal-dark);
  border-radius: 4px;
  margin: 16px 0;
  box-shadow:
    inset 0 1px 0 rgba(192,168,128,0.12),
    inset 0 -1px 0 rgba(0,0,0,0.4),
    0 4px 12px var(--shadow-ink);
}

.control-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.control-label {
  font-family: var(--font-main);
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: var(--chrome);
  opacity: 0.7;
  white-space: nowrap;
}

.diff-buttons { display: flex; gap: 6px; }

.diff-btn {
  background: var(--metal-dark);
  color: var(--chrome);
  border: 1px solid var(--metal);
  padding: 6px 16px;
  font-family: var(--font-main);
  font-size: 0.75rem;
  letter-spacing: 2px;
  cursor: pointer;
  border-radius: 3px;
  transition: background 0.1s, color 0.1s, transform 0.08s, box-shadow 0.08s;
  box-shadow: 0 4px 0 rgba(0,0,0,0.5);
  position: relative;
  top: 0;
  user-select: none;
}

.diff-btn:hover {
  background: var(--metal);
  color: var(--parchment);
}

.diff-btn:active {
  top: 3px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.5);
}

.diff-btn.active {
  background: var(--parchment);
  color: var(--ink);
  border-color: var(--parchment-mid);
  box-shadow: 0 2px 0 rgba(0,0,0,0.4), inset 0 1px 3px rgba(0,0,0,0.2);
  top: 2px;
}

.timer-group { gap: 10px; }

.timer-display {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.timer-digits {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 2rem;
  color: var(--parchment);
  min-width: 52px;
  display: inline-block;
  text-align: right;
  transition: color 0.3s;
  line-height: 1;
}

.timer-unit {
  font-family: var(--font-main);
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--chrome);
  opacity: 0.6;
}

.timer-digits.warning { color: #d4900a; animation: tick 1s step-start infinite; }
.timer-digits.danger  { color: var(--red-ink); animation: tick 0.5s step-start infinite; }

@keyframes tick {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

/* ============================================================
   TYPEWRITER MACHINE
   ============================================================ */
.machine {
  background: linear-gradient(170deg, #9a7d5a 0%, #7a6040 35%, #5c4828 70%, #4a3820 100%);
  border-radius: 6px 6px 10px 10px;
  box-shadow:
    0 0 0 2px var(--metal-dark),
    0 8px 0 var(--metal-dark),
    0 12px 30px var(--shadow-ink),
    inset 0 1px 0 rgba(255,255,255,0.08);
  overflow: hidden;
  margin: 20px 0;
}

/* Platen rollers */
.platen {
  height: 18px;
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.06) 0%,
    transparent 40%,
    rgba(0,0,0,0.2) 100%
  ),
  repeating-linear-gradient(
    90deg,
    #6a5538 0px, #8a7058 8px,
    #9a8068 8px, #7a6048 16px
  );
  border-bottom: 2px solid var(--metal-dark);
  position: relative;
}

.platen-bottom {
  border-bottom: none;
  border-top: 2px solid var(--metal-dark);
}

.platen-grip {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent 0px, transparent 14px,
    rgba(0,0,0,0.18) 14px, rgba(0,0,0,0.18) 16px
  );
}

/* Stats row */
.stats-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  padding: 10px 24px;
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid rgba(0,0,0,0.35);
}

.stat-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
}

.stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.65rem;
  color: var(--parchment);
  min-width: 70px;
  text-align: center;
  line-height: 1;
  transition: transform 0.12s ease;
}

.stat-num.bump { transform: scale(1.18); color: #f0d090; }

.stat-lbl {
  font-family: var(--font-main);
  font-size: 0.55rem;
  letter-spacing: 3px;
  color: var(--chrome);
  opacity: 0.65;
  text-transform: uppercase;
}

.stat-divider {
  font-size: 1.4rem;
  color: var(--metal);
  opacity: 0.5;
  user-select: none;
}

/* ---- Paper Sheet ---- */
.paper-sheet {
  background: var(--parchment);
  margin: 0 26px;
  min-height: 230px;
  position: relative;
  cursor: text;
  box-shadow:
    3px 0 10px rgba(0,0,0,0.35),
    -3px 0 10px rgba(0,0,0,0.35),
    inset 0 0 60px rgba(180,140,80,0.08);
}

/* Ruled lines effect */
.paper-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    transparent, transparent 31px,
    rgba(180,140,80,0.25) 31px, rgba(180,140,80,0.25) 32px
  );
  z-index: 0;
}

/* Left margin red line */
.paper-sheet::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 46px;
  width: 1px;
  background: rgba(180,40,40,0.18);
  z-index: 1;
  pointer-events: none;
}

.paper-inner {
  position: relative;
  z-index: 2;
  padding: 20px 28px 20px 52px;
}

/* Passage display */
.passage {
  font-family: var(--font-main);
  font-size: clamp(0.95rem, 2.4vw, 1.2rem);
  line-height: 2;
  letter-spacing: 0.5px;
  color: var(--ink-faded);
  word-break: break-word;
  user-select: none;
  min-height: 96px;
}

/* Individual character spans */
.passage .ch {
  border-radius: 1px;
  transition: background 0.04s;
}

.passage .ch.correct {
  color: var(--green-ink);
}

.passage .ch.wrong {
  color: var(--red-ink);
  background: rgba(180,40,40,0.1);
  text-decoration: underline wavy rgba(180,40,40,0.5);
  text-underline-offset: 2px;
}

.passage .ch.cursor {
  position: relative;
  animation: cursor-blink 1.1s step-start infinite;
}

.passage .ch.cursor::after {
  content: '';
  position: absolute;
  bottom: 1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* Input row */
.input-row { margin-top: 14px; }

.typing-input {
  width: 100%;
  background: rgba(240,224,190,0.5);
  border: none;
  border-bottom: 2px solid var(--ink-faded);
  padding: 7px 2px;
  font-family: var(--font-main);
  font-size: clamp(0.95rem, 2.4vw, 1.2rem);
  letter-spacing: 0.5px;
  color: var(--ink);
  outline: none;
  caret-color: var(--ink);
  transition: border-color 0.15s, background 0.15s;
}

.typing-input:focus {
  border-bottom-color: var(--ink);
  background: rgba(240,224,190,0.75);
}

.typing-input::placeholder {
  color: var(--ink-faded);
  font-style: italic;
  opacity: 0.6;
  font-size: 0.88rem;
}

/* ---- Machine Base ---- */
.machine-base {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 14px 26px;
  background: rgba(0,0,0,0.22);
  border-top: 1px solid rgba(0,0,0,0.3);
}

.carriage-track {
  flex: 1;
  max-width: 220px;
  height: 10px;
  background: linear-gradient(180deg, var(--metal-dark) 0%, var(--metal) 50%, var(--metal-dark) 100%);
  border-radius: 5px;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.5);
}

.carriage-head {
  position: absolute;
  top: -4px;
  left: 0;
  width: 24px;
  height: 18px;
  background: var(--chrome);
  border-radius: 3px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.4);
  transition: left 0.15s linear;
}

.new-test-btn {
  background: var(--key-body);
  color: var(--chrome);
  border: 2px solid rgba(0,0,0,0.6);
  padding: 10px 26px;
  font-family: var(--font-main);
  font-size: 0.85rem;
  letter-spacing: 3px;
  cursor: pointer;
  border-radius: 5px;
  box-shadow: 0 5px 0 rgba(0,0,0,0.6), 0 6px 12px rgba(0,0,0,0.35);
  transition: background 0.1s, top 0.08s, box-shadow 0.08s;
  position: relative;
  top: 0;
  user-select: none;
}

.new-test-btn:hover {
  background: #3d2a14;
  color: var(--parchment);
}

.new-test-btn:active {
  top: 4px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.6);
}

/* ============================================================
   SEO CONTENT SECTION
   ============================================================ */
.seo-section {
  background: var(--parchment);
  padding: 32px 36px;
  margin: 20px 0;
  position: relative;
  border-left: 4px solid var(--metal);
  box-shadow: 5px 5px 0 var(--metal-dark), 0 8px 24px var(--shadow-ink);
}

.seo-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    transparent, transparent 31px,
    rgba(180,140,80,0.15) 31px, rgba(180,140,80,0.15) 32px
  );
  pointer-events: none;
}

.seo-section > * { position: relative; }

.seo-section h2 {
  font-family: var(--font-main);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--ink);
  letter-spacing: 2px;
  margin-bottom: 14px;
  line-height: 1.3;
}

.seo-section h3 {
  font-family: var(--font-main);
  font-size: 1.05rem;
  color: var(--ink-mid);
  letter-spacing: 1.5px;
  margin: 22px 0 8px;
}

.seo-section p {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 2;
  color: var(--ink-faded);
}

.inline-correct { color: var(--green-ink); font-weight: 700; }
.inline-error    { color: var(--red-ink);   font-weight: 700; }

.tip-list {
  list-style: none;
  margin: 4px 0 0;
}

.tip-list li {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 2;
  color: var(--ink-faded);
  padding-left: 20px;
  position: relative;
}

.tip-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--metal);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  text-align: center;
  padding: 24px 16px;
  color: var(--chrome);
}

.site-footer p {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  opacity: 0.7;
  line-height: 1.8;
}

.site-footer a {
  color: var(--parchment-mid);
  text-decoration: none;
  transition: color 0.15s;
}

.site-footer a:hover { color: var(--parchment); text-decoration: underline; }

.footer-tagline { font-style: italic; opacity: 0.5; }

.footer-nav {
  margin: 8px 0;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-keys {
  letter-spacing: 8px;
  opacity: 0.2 !important;
  margin-top: 10px !important;
  user-select: none;
}

/* ============================================================
   RESULTS MODAL
   ============================================================ */
.results-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(14, 8, 2, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  backdrop-filter: blur(5px);
  padding: 20px;
  animation: backdrop-in 0.25s ease;
}

.results-backdrop[hidden] { display: none; }

@keyframes backdrop-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.results-card {
  background: var(--parchment);
  width: min(460px, 100%);
  padding: 40px 36px 36px;
  position: relative;
  box-shadow:
    8px 8px 0 var(--metal-dark),
    20px 20px 50px rgba(0,0,0,0.6);
  animation: card-rise 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes card-rise {
  from { transform: translateY(30px) scale(0.96); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}

.results-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    transparent, transparent 31px,
    rgba(180,140,80,0.2) 31px, rgba(180,140,80,0.2) 32px
  );
  pointer-events: none;
}

.results-card > * { position: relative; }

.results-stamp {
  display: inline-block;
  border: 3px solid var(--red-ink);
  color: var(--red-ink);
  font-family: var(--font-main);
  font-size: 1rem;
  letter-spacing: 7px;
  padding: 5px 14px;
  transform: rotate(-7deg);
  opacity: 0.75;
  margin-bottom: 8px;
}

.results-heading {
  font-family: var(--font-main);
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  color: var(--ink);
  letter-spacing: 3px;
  margin-bottom: 24px;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.result-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 10px;
  background: rgba(139,115,80,0.1);
  border: 1px solid var(--parchment-mid);
}

.result-value {
  font-family: var(--font-main);
  font-size: 2rem;
  color: var(--ink);
  line-height: 1;
}

.result-lbl {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--ink-faded);
  text-transform: uppercase;
  text-align: center;
}

.results-rating {
  font-family: var(--font-main);
  font-size: 1rem;
  letter-spacing: 2px;
  color: var(--red-ink);
  text-align: center;
  min-height: 28px;
  margin-bottom: 22px;
}

.try-again-btn {
  display: block;
  width: 100%;
  background: var(--key-body);
  color: var(--parchment);
  border: 2px solid var(--ink);
  padding: 14px;
  font-family: var(--font-main);
  font-size: 1rem;
  letter-spacing: 4px;
  cursor: pointer;
  box-shadow: 0 5px 0 rgba(0,0,0,0.6);
  transition: background 0.1s, top 0.08s, box-shadow 0.08s;
  position: relative;
  top: 0;
  text-transform: uppercase;
}

.try-again-btn:hover { background: #3d2a14; }

.try-again-btn:active {
  top: 4px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.6);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .ad-sidebar { display: none; }
}

@media (max-width: 700px) {
  .page-layout { padding: 10px 8px; }
  .controls-bar { gap: 14px; justify-content: center; }
  .control-group { flex-wrap: wrap; justify-content: center; }
  .paper-sheet { margin: 0 6px; }
  .paper-inner { padding: 14px 14px 14px 20px; }
  .paper-sheet::before { left: 14px; }
  .stats-row { gap: 14px; }
  .stat-num { font-size: 1.35rem; min-width: 55px; }
  .machine-base { flex-direction: column; gap: 14px; }
  .carriage-track { width: 80%; max-width: none; }
  .seo-section { padding: 20px 18px; }
}

@media (max-width: 460px) {
  .site-title { letter-spacing: 4px; }
  .results-grid { grid-template-columns: 1fr; }
  .results-card { padding: 28px 20px 24px; }
}