/* styles.css – 0xPrompts */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --bg: #030305;
  --bg-elevated: #0a0a0f;
  --accent: #FFDE21;
  --accent-glow: rgba(255, 222, 33, 0.35);
  --accent-dim: rgba(255, 222, 33, 0.12);
  --purple: #a855f7;
  --purple-glow: rgba(168, 85, 247, 0.3);
  --cyan: #22d3ee;
  --cyan-glow: rgba(34, 211, 238, 0.3);
  --red: #ef4444;
  --green: #22c55e;
  --orange: #f97316;
  --pink: #ec4899;
  --text: #e8e8ec;
  --text-dim: #7a7a8a;
  --card-bg: rgba(255, 255, 255, 0.035);
  --card-border: rgba(255, 255, 255, 0.07);
  --font-heading: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation;
}

/* ─── Dot Grid ─── */
.dot-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255, 222, 33, 0.07) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1.5rem;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  background: rgba(3, 3, 5, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.nav-brand {
  display: flex;
  flex-direction: column;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.nav-logo span {
  color: var(--accent);
}

.nav-byline {
  font-size: 0.58rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.5px;
  line-height: 1;
  transition: color 0.2s ease;
}

.nav-byline:hover {
  color: var(--accent);
}

.nav-right {
  display: flex;
  align-items: center;
}

/* Search */
.search-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 100px;
  transition: all 0.3s ease;
  min-width: 180px;
}

.search-box:focus-within {
  border-color: var(--accent);
  background: rgba(255, 222, 33, 0.04);
  box-shadow: 0 0 20px rgba(255, 222, 33, 0.06);
}

.search-icon {
  color: var(--text-dim);
  flex-shrink: 0;
}

.search-box input {
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.8rem;
  outline: none;
  width: 100%;
}

.search-box input::placeholder {
  color: var(--text-dim);
}

/* ─── Main ─── */
main {
  position: relative;
  z-index: 1;
  padding-top: 3.5rem;
}

/* ─── Hero ─── */
.hero {
  padding: 3rem 1.2rem 1.5rem;
  text-align: center;
}

.hero-inner {
  max-width: 600px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  padding: 0.3rem 1rem;
  border: 1px solid rgba(255, 222, 33, 0.2);
  border-radius: 100px;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(255, 222, 33, 0.05);
  margin-bottom: 1.2rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.1s ease forwards;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 6vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 0.8rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.2s ease forwards;
}

.accent {
  color: var(--accent);
}

.hero-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 460px;
  margin: 0 auto 1.2rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.3s ease forwards;
}

.hero-stat-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.4s ease forwards;
}

.hero-stat {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
}

.hero-stat span {
  color: var(--accent);
  font-weight: 800;
}

.hero-stat-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-dim);
  opacity: 0.3;
}

/* ─── Filter ─── */
.filter-section {
  position: sticky;
  top: 3.2rem;
  z-index: 50;
  padding: 0.8rem 0;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(3, 3, 5, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.filter-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
}

.filter-track {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.2rem;
}

.filter-track::-webkit-scrollbar {
  display: none;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--card-border);
  border-radius: 100px;
  background: var(--card-bg);
  color: var(--text-dim);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.filter-btn:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
}

.filter-btn.active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 2px 12px rgba(255, 222, 33, 0.2);
}

.filter-icon {
  font-size: 0.8rem;
}

/* ─── Prompts Grid ─── */
.prompts-section {
  padding: 1.5rem 0 3rem;
}

.prompts-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
}

.prompts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

/* ─── Prompt Card ─── */
.prompt-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.3rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  animation: fadeIn 0.35s ease;
}

.prompt-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.prompt-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 222, 33, 0.15);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.4);
}

.prompt-card:hover::before {
  opacity: 1;
}

.prompt-card[data-cat="image"]:hover { border-color: rgba(236, 72, 153, 0.25); }
.prompt-card[data-cat="image"]::before { background: var(--pink); }
.prompt-card[data-cat="code"]:hover { border-color: rgba(34, 211, 238, 0.25); }
.prompt-card[data-cat="code"]::before { background: var(--cyan); }
.prompt-card[data-cat="research"]:hover { border-color: rgba(168, 85, 247, 0.25); }
.prompt-card[data-cat="research"]::before { background: var(--purple); }
.prompt-card[data-cat="answer"]:hover { border-color: rgba(34, 197, 94, 0.25); }
.prompt-card[data-cat="answer"]::before { background: var(--green); }
.prompt-card[data-cat="writing"]:hover { border-color: rgba(249, 115, 22, 0.25); }
.prompt-card[data-cat="writing"]::before { background: var(--orange); }

.prompt-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.prompt-cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.prompt-cat-badge[data-cat="image"] { background: rgba(236, 72, 153, 0.12); color: var(--pink); border: 1px solid rgba(236, 72, 153, 0.2); }
.prompt-cat-badge[data-cat="code"] { background: rgba(34, 211, 238, 0.1); color: var(--cyan); border: 1px solid rgba(34, 211, 238, 0.2); }
.prompt-cat-badge[data-cat="research"] { background: rgba(168, 85, 247, 0.1); color: var(--purple); border: 1px solid rgba(168, 85, 247, 0.2); }
.prompt-cat-badge[data-cat="answer"] { background: rgba(34, 197, 94, 0.1); color: var(--green); border: 1px solid rgba(34, 197, 94, 0.2); }
.prompt-cat-badge[data-cat="writing"] { background: rgba(249, 115, 22, 0.1); color: var(--orange); border: 1px solid rgba(249, 115, 22, 0.2); }
.prompt-cat-badge[data-cat="other"] { background: rgba(255, 222, 33, 0.08); color: var(--accent); border: 1px solid rgba(255, 222, 33, 0.18); }

.copy-btn {
  width: 30px;
  height: 30px;
  border: none;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.copy-btn:hover {
  background: rgba(255, 222, 33, 0.12);
  color: var(--accent);
}

.copy-btn.copied {
  background: rgba(34, 197, 94, 0.15);
  color: var(--green);
}

.prompt-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.prompt-text {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.65;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
}

.prompt-text.expanded {
  -webkit-line-clamp: unset;
  overflow: visible;
}

.prompt-expand {
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.4rem;
  border: none;
  background: none;
  padding: 0;
  font-family: var(--font-heading);
  -webkit-tap-highlight-color: transparent;
}

.prompt-expand:hover {
  text-decoration: underline;
}

/* ─── No Results ─── */
.no-results {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-dim);
}

.no-results-icon {
  font-size: 2.5rem;
  margin-bottom: 0.8rem;
  opacity: 0.5;
}

.no-results p {
  font-size: 0.9rem;
}

/* ─── Toast ─── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  width: 90%;
  max-width: 320px;
  pointer-events: none;
}

.toast {
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: toastIn 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  pointer-events: auto;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--green);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.toast.out {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastOut {
  to { opacity: 0; transform: translateY(10px); }
}

/* ─── Footer ─── */
.footer {
  position: relative;
  z-index: 1;
  padding: 2rem 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dim);
}

.footer-logo span {
  color: var(--accent);
  opacity: 0.6;
}

.footer-text {
  font-size: 0.75rem;
  color: var(--text-dim);
  opacity: 0.5;
}

.footer-link {
  color: var(--accent);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

.footer-link:hover {
  opacity: 1;
}

/* ─── Animations ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Responsive ─── */
@media (max-width: 600px) {
  .nav {
    padding: 0.6rem 1rem;
  }

  .search-box {
    min-width: 140px;
    padding: 0.4rem 0.7rem;
  }

  .search-box input {
    font-size: 0.75rem;
  }

  .hero {
    padding: 2.5rem 1rem 1rem;
  }

  .hero-title {
    font-size: 1.6rem;
    letter-spacing: -1px;
  }

  .hero-desc {
    font-size: 0.82rem;
  }

  .hero-stat-row {
    gap: 0.5rem;
  }

  .hero-stat {
    font-size: 0.65rem;
  }

  .filter-section {
    top: 2.8rem;
  }

  .prompts-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.3rem;
    text-align: center;
  }
}

@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .footer {
    padding-bottom: max(2rem, env(safe-area-inset-bottom));
  }
  .toast-container {
    bottom: max(1.5rem, env(safe-area-inset-bottom));
  }
}