:root {
  --paper: #FFFBF5;
  --cream: #FFF8EE;
  --ink: #1A1A1A;
  --accent: #E65100;
  --muted: #5C5C5C;
  --content-width: 720px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: 'Courier Prime', 'Courier New', monospace;
  font-weight: 400;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grain — slightly heavier for lofi zine feel */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 999;
}

/* Header */
header {
  border-bottom: 2px solid var(--ink);
  padding: 1.25rem 2.5rem;
  margin: 0 auto;
  max-width: var(--content-width);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.wordmark {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-weight: 400;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
}

.wordmark em {
  color: var(--accent);
  font-style: italic;
}

.tagline-small {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Hero */
.hero {
  padding: 5rem 2.5rem 2rem;
  margin: 0 auto;
  max-width: var(--content-width);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.7s ease forwards;
}

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

.eyebrow {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.eyebrow::before {
  content: '';
  width: 1.5rem;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

h1 {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: 0.02em;
  margin-bottom: 2rem;
}

h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-text {
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 520px;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.hero-text strong { font-weight: 500; }

.hero-sub {
  font-family: 'Courier Prime', 'Courier New', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  line-height: 1.6;
  max-width: 480px;
  margin-top: 1rem;
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 2.5rem 2.5rem 2rem;
  margin: 0 auto;
  max-width: var(--content-width);
}

.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--ink);
}

.divider span {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

/* Tool */
.tool-wrap {
  padding: 0 2.5rem 4rem;
  margin: 0 auto;
  max-width: var(--content-width);
  opacity: 0;
  animation: fadeUp 0.7s 0.2s ease forwards;
}

.tool-card {
  border: 2px solid var(--ink);
  background: var(--paper);
  position: relative;
}

.tool-header {
  border-bottom: 1.5px solid var(--ink);
  padding: 1.25rem 1.75rem;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.tool-header-title {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 2;
}

.badge {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.55rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--muted);
  padding: 0.18rem 0.45rem;
}

.tool-body { padding: 1.75rem; }

/* Tabs (currently unused, left for future upload support) */
.tabs {
  display: flex;
  border-bottom: 1.5px solid var(--ink);
  margin-bottom: 1.5rem;
}

.tab {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1.5px;
  transition: color 0.15s;
}

.tab.active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Upload zone (for future use) */
.upload-zone {
  border: 1.5px dashed var(--ink);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: background 0.2s;
  margin-bottom: 1.25rem;
}

.upload-zone:hover, .upload-zone.drag { background: rgba(230,81,0,0.08); border-color: var(--accent); }

.upload-icon { font-size: 1.75rem; margin-bottom: 0.6rem; display: block; }

.upload-zone p {
  font-family: 'Courier Prime', 'Courier New', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  line-height: 1.7;
}

.upload-zone p strong { color: var(--ink); font-weight: 500; }

#file-input { display: none; }

.file-name {
  font-family: 'Courier Prime', 'Courier New', monospace;
  font-size: 0.65rem;
  color: var(--accent);
  margin-top: 0.4rem;
  min-height: 1rem;
  letter-spacing: 0.04em;
}

/* Textarea */
.field-label {
  display: block;
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

textarea {
  width: 100%;
  border: 1.5px solid var(--ink);
  background: var(--cream);
  padding: 1rem;
  font-family: 'Courier Prime', 'Courier New', monospace;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--ink);
  resize: vertical;
  min-height: 200px;
  outline: none;
  margin-bottom: 1.25rem;
  transition: border-color 0.2s;
  line-height: 1.65;
}

textarea:focus { border-color: var(--accent); }
textarea::placeholder { color: var(--muted); font-style: italic; }

/* Submit */
.btn-submit {
  width: 100%;
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 1rem;
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.btn-submit:hover:not(:disabled) { background: var(--accent); }
.btn-submit:active { transform: scale(0.995); }
.btn-submit:disabled { background: var(--muted); cursor: not-allowed; }

/* Output */
.output-wrap {
  display: none;
  margin-top: 2rem;
  border-top: 1.5px solid var(--ink);
  padding-top: 1.75rem;
}

.output-wrap.visible { display: block; }

.output-label {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.output-label::after { content: ''; flex: 1; height: 1px; background: var(--accent); opacity: 0.35; }

.flags-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.flag-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  background: var(--cream);
  border-left: 3px solid var(--accent);
  opacity: 0;
  transform: translateX(-8px);
  animation: slideIn 0.4s ease forwards;
}

@keyframes slideIn {
  to { opacity: 1; transform: translateX(0); }
}

.flag-icon {
  font-size: 0.9rem;
  margin-top: 0.05rem;
  flex-shrink: 0;
}

.flag-content { flex: 1; }

.flag-title {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-weight: 400;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
  color: var(--ink);
}

.flag-desc {
  font-family: 'Courier Prime', 'Courier New', monospace;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
}

.severity {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.52rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  border: 1px solid;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.severity.high { color: var(--accent); border-color: var(--accent); }
.severity.medium { color: #9B6F00; border-color: #9B6F00; }

.clean-msg {
  font-family: 'Courier Prime', 'Courier New', monospace;
  font-size: 0.75rem;
  color: #2E7D32;
  letter-spacing: 0.04em;
  padding: 1rem;
  border: 1px solid #2E7D32;
  background: rgba(46,125,50,0.06);
}

.disclaimer {
  font-family: 'Courier Prime', 'Courier New', monospace;
  font-size: 0.6rem;
  color: var(--muted);
  line-height: 1.7;
  letter-spacing: 0.03em;
  padding: 1rem;
  border-top: 1px solid rgba(0,0,0,0.12);
  margin-top: 1rem;
}

/* Loading */
.loading {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 0;
  font-family: 'Courier Prime', 'Courier New', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.loading.visible { display: flex; }

.spinner {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--muted);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Coffee section */
.coffee-section {
  border-top: 2px solid var(--ink);
  padding: 3rem 2.5rem;
  margin: 0 auto;
  max-width: var(--content-width);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.coffee-text h3 {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
}

.coffee-text p {
  font-family: 'Courier Prime', 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.65;
  max-width: 380px;
}

.btn-coffee {
  background: none;
  border: 2px solid var(--ink);
  padding: 0.85rem 1.75rem;
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.btn-coffee:hover { background: var(--accent); color: var(--paper); border-color: var(--accent); }

/* Footer */
footer {
  border-top: 1px solid rgba(26,23,20,0.2);
  padding: 1.5rem 2.5rem;
  margin: 0 auto;
  max-width: var(--content-width);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

footer p {
  font-family: 'Courier Prime', 'Courier New', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  line-height: 1.7;
}

footer a { color: var(--muted); text-decoration: underline; }
footer a:hover { color: var(--accent); }