/* ===== GENTOOLS SHARED STYLES ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #0d0d0d;
  --paper: #f5f2eb;
  --accent: #e8441a;
  --accent2: #1a6ee8;
  --muted: #7a7268;
  --card-bg: #ffffff;
  --border: #e0dbd0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 3rem;
  background: rgba(245,242,235,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800; font-size: 1.5rem;
  text-decoration: none; color: var(--ink);
  letter-spacing: -0.03em;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  text-decoration: none; color: var(--muted);
  font-size: 0.9rem; font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }

/* PAGE HEADER */
.page-header {
  padding: 11rem 3rem 4rem;
  max-width: 900px; margin: 0 auto;
}
.back-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: var(--muted); text-decoration: none;
  font-size: 0.85rem; margin-bottom: 2rem;
  transition: color 0.2s;
}
.back-link:hover { color: var(--ink); }
.page-header h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800; letter-spacing: -0.04em; line-height: 1.05;
}
.page-header h1 em { font-style: normal; color: var(--accent); }
.page-header p {
  margin-top: 1rem;
  color: var(--muted); font-size: 1.05rem;
  line-height: 1.65; font-weight: 300;
  max-width: 540px;
}

/* TOOL CARD */
.tool-wrapper {
  max-width: 900px; margin: 0 auto;
  padding: 0 3rem 8rem;
}
.gen-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 2.5rem;
  margin-bottom: 2rem;
}
.gen-card h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.5rem;
}

/* FORM ELEMENTS */
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem; margin-bottom: 1.5rem;
}
.field label {
  display: block; font-size: 0.8rem; font-weight: 500;
  color: var(--muted); margin-bottom: 0.4rem;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.field input[type="text"],
.field input[type="number"],
.field select {
  width: 100%; padding: 0.7rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--paper);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem; color: var(--ink);
  transition: border-color 0.2s;
  outline: none;
}
.field input:focus, .field select:focus { border-color: var(--ink); }

/* CHECKBOXES */
.checks-row {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.check-item {
  display: flex; align-items: center; gap: 0.5rem;
  cursor: pointer;
}
.check-item input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--ink);
  cursor: pointer;
}
.check-item span { font-size: 0.88rem; color: var(--muted); }

/* BUTTONS */
.btn-gen {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: var(--ink); color: var(--paper);
  border: none; cursor: pointer;
  padding: 0.9rem 2.2rem; border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem; font-weight: 500;
  transition: transform 0.18s, box-shadow 0.18s, background 0.2s;
}
.btn-gen:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}
.btn-gen:active { transform: translateY(0); }
.btn-gen .spin { display: none; animation: spin 0.6s linear infinite; }
.btn-gen.loading .spin { display: inline-block; }
.btn-gen.loading .label { display: none; }

/* RESULTS */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.result-item {
  background: var(--paper);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
  display: flex; justify-content: space-between; align-items: center;
  gap: 0.5rem;
  animation: popIn 0.3s ease both;
}
.result-item span {
  font-size: 0.97rem; font-weight: 400;
  word-break: break-all; flex: 1;
}
.copy-btn {
  background: none; border: none; cursor: pointer;
  color: var(--muted); font-size: 1rem;
  padding: 0.2rem 0.4rem; border-radius: 5px;
  transition: color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.copy-btn:hover { color: var(--ink); background: var(--border); }
.copy-btn.copied { color: #16a34a; }

/* TOAST */
.toast {
  position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--paper);
  padding: 0.7rem 1.5rem; border-radius: 999px;
  font-size: 0.85rem; font-weight: 500;
  opacity: 0; transition: opacity 0.3s, transform 0.3s;
  pointer-events: none; z-index: 999;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* SEO SECTION */
.seo-section {
  border-top: 1.5px solid var(--border);
  background: var(--card-bg);
  padding: 4rem 3rem;
}
.seo-inner {
  max-width: 900px;
  margin: 0 auto;
}
.seo-inner h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 1.2rem;
  color: var(--ink);
}
.seo-inner h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 2rem;
  margin-bottom: 0.7rem;
  color: var(--ink);
}
.seo-inner p {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 0.8rem;
}
.seo-inner strong {
  color: var(--ink);
  font-weight: 500;
}
@media (max-width: 700px) {
  .seo-section { padding: 3rem 1.5rem; }
}

/* FOOTER */
footer {
  border-top: 1.5px solid var(--border);
  padding: 2.5rem 3rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
  color: var(--muted); font-size: 0.82rem;
}
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--ink); }
.footer-links { display: flex; gap: 1.5rem; }

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes popIn {
  from { opacity: 0; transform: scale(0.94); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* RESPONSIVE */
@media (max-width: 700px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .page-header { padding: 9rem 1.5rem 3rem; }
  .tool-wrapper { padding: 0 1.5rem 5rem; }
  footer { padding: 2rem 1.5rem; }
  .gen-card { padding: 1.8rem 1.4rem; }
}