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

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

:root {
  --orange: #ff6b2b;
  --pink: #ff2e93;
  --red: #ff4a5a;
  --yellow: #ffc800;
  --blue: #00f0ff;
  --green: #00ffaa;
  --white: #ffffff;

  --bg: #030014;
  --bg-soft: #08041c;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 46, 147, 0.5);

  --text: #f5f2ff;
  --gray: #a39ebf;

  --gradient: linear-gradient(135deg, var(--orange) 0%, var(--pink) 100%);
  --gradient-soft: linear-gradient(135deg, rgba(255, 107, 43, 0.08) 0%, rgba(255, 46, 147, 0.08) 100%);
  --gradient-neon: linear-gradient(135deg, var(--pink) 0%, var(--blue) 100%);

  --radius: 20px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  --glow: 0 0 35px rgba(255, 46, 147, 0.35);
  --glow-blue: 0 0 35px rgba(0, 240, 255, 0.35);

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Unbounded', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
  --transition: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Variables */
body.light-theme {
  --bg: #f8f6fc;
  --bg-soft: #ede9f8;
  --surface: rgba(255, 255, 255, 0.7);
  --surface-strong: rgba(255, 255, 255, 0.95);
  --border: rgba(100, 70, 160, 0.12);
  --border-hover: rgba(255, 46, 147, 0.6);
  --text: #1a162b;
  --gray: #6b6488;
  --shadow: 0 10px 40px rgba(80, 50, 140, 0.08);
}

html {
  scroll-behavior: smooth;
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--orange), var(--pink));
  border-radius: 10px;
  border: 2px solid var(--bg);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::after {
  display: none;
}

::selection {
  background: rgba(255, 46, 147, 0.4);
  color: var(--white);
}

.container {
  width: min(1140px, 100% - 2.5rem);
  margin-inline: auto;
}

/* -------- Ambient Background -------- */
.bg-gradient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 50% at 10% -10%, rgba(255, 107, 43, 0.14) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 110%, rgba(255, 46, 147, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 30%, rgba(0, 240, 255, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(3, 0, 20, 0) 0%, var(--bg) 100%);
}

.bg-sparkles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-sparkles::before,
.bg-sparkles::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.6;
}

.bg-sparkles::before {
  width: 550px;
  height: 550px;
  background: rgba(255, 107, 43, 0.08);
  top: -120px;
  right: -100px;
}

.bg-sparkles::after {
  width: 450px;
  height: 450px;
  background: rgba(255, 46, 147, 0.09);
  bottom: -90px;
  left: -90px;
}

/* -------- Hero Section with Cyberpunk 3D Grid -------- */
.hero {
  position: relative;
  z-index: 1;
  padding: 8.5rem 0 3.5rem;
  text-align: center;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 240px;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  opacity: 0.12;
  mask-image: linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 100%);
  -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 100%);
}

.hero-grid-perspective {
  width: 100%;
  height: 100%;
  perspective: 200px;
}

.hero-grid-lines {
  width: 200%;
  height: 400%;
  margin-left: -50%;
  margin-top: -100%;
  background-image: 
    linear-gradient(to right, var(--pink) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pink) 1px, transparent 1px);
  background-size: 50px 50px;
  transform: rotateX(70deg);
  transform-origin: 50% 50%;
  animation: grid-scroll 16s linear infinite;
  box-shadow: inset 0 0 100px rgba(3, 0, 20, 1);
}

@keyframes grid-scroll {
  0% { background-position: 0 0; }
  100% { background-position: 0 200px; }
}

/* Ambient Particles */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-particles span {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--pink);
  border-radius: 50%;
  filter: blur(1px);
  opacity: 0.4;
  animation: float-particle 12s infinite ease-in-out;
}

.hero-particles span:nth-child(1) { top: 20%; left: 15%; animation-delay: 0s; background: var(--orange); }
.hero-particles span:nth-child(2) { top: 65%; left: 25%; animation-delay: 2s; background: var(--pink); }
.hero-particles span:nth-child(3) { top: 30%; right: 20%; animation-delay: 4s; background: var(--blue); }
.hero-particles span:nth-child(4) { top: 75%; right: 15%; animation-delay: 6s; background: var(--yellow); }

@keyframes float-particle {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
  50% { transform: translateY(-25px) scale(1.4); opacity: 0.8; }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  color: var(--white);
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 1;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--pink));
  box-shadow: 0 0 12px rgba(255, 46, 147, 0.9);
  animation: pulse 2.2s ease-in-out infinite;
}

.hero-badge::after {
  content: '_';
  color: var(--pink);
  font-weight: 700;
  animation: blink 1.1s steps(2) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}

.highlight {
  background: linear-gradient(110deg, var(--orange), var(--pink), var(--blue), var(--pink), var(--orange));
  background-size: 280% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 7s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-text {
  color: var(--gray);
  font-size: 1.1rem;
  max-width: 580px;
  margin: 0 auto;
  font-weight: 400;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* -------- Main section -------- */
.main-section {
  position: relative;
  z-index: 1;
  padding: 2.5rem 0 5.5rem;
}

/* -------- Tabs (Segmented Control) -------- */
.tabs {
  display: inline-flex;
  gap: 0.35rem;
  margin-bottom: 2.25rem;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0.35rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.35rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 50px;
  color: var(--gray);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.tab:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
}

.tab.active {
  background: rgba(255, 46, 147, 0.12);
  color: var(--white);
  border-color: rgba(255, 46, 147, 0.35);
  box-shadow: 0 4px 20px rgba(255, 46, 147, 0.25);
}

.tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--gray);
  transition: var(--transition);
}

.tab.active .tab-count {
  background: rgba(255, 46, 147, 0.25);
  color: var(--pink);
}

/* -------- Toolbar & Search -------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.search-wrap {
  position: relative;
  flex: 1;
  min-width: 220px;
  max-width: 420px;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray);
  pointer-events: none;
  transition: color var(--transition);
}

.search {
  width: 100%;
  padding: 0.75rem 1.1rem 0.75rem 2.85rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.925rem;
  font-weight: 500;
  outline: none;
  transition: var(--transition);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.search::placeholder {
  color: var(--gray);
  opacity: 0.7;
}

.search:focus {
  border-color: rgba(255, 46, 147, 0.5);
  box-shadow: 0 0 25px rgba(255, 46, 147, 0.25);
  background: rgba(255, 255, 255, 0.05);
}

.search:focus + .search-icon {
  color: var(--pink);
}

.count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray);
  white-space: nowrap;
  padding: 0.45rem 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 50px;
  backdrop-filter: blur(8px);
}

/* -------- Grid -------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* -------- Project Cards -------- */
.card {
  display: flex;
  flex-direction: column;
  padding: 1.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

/* Subtle border glow & spotlight */
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(255, 46, 147, 0.12) 0%, transparent 70%);
  opacity: 0;
  transition: var(--transition);
  border-radius: inherit;
  pointer-events: none;
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65), 0 0 35px rgba(255, 46, 147, 0.25);
}

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

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}

.card-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
}

.tag-orange {
  color: var(--orange);
  background: rgba(255, 107, 43, 0.12);
  border: 1px solid rgba(255, 107, 43, 0.25);
}

.tag-pink {
  color: var(--pink);
  background: rgba(255, 46, 147, 0.12);
  border: 1px solid rgba(255, 46, 147, 0.25);
}

.tag-blue {
  color: var(--blue);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.25);
}

.tag-green {
  color: var(--green);
  background: rgba(0, 255, 170, 0.1);
  border: 1px solid rgba(0, 255, 170, 0.25);
}

.tag-yellow {
  color: var(--yellow);
  background: rgba(255, 200, 0, 0.1);
  border: 1px solid rgba(255, 200, 0, 0.25);
}

.tag-gray {
  color: var(--gray);
  background: rgba(163, 158, 191, 0.1);
  border: 1px solid rgba(163, 158, 191, 0.2);
}

.tag-purple {
  color: #bf80ff;
  background: rgba(191, 128, 255, 0.12);
  border: 1px solid rgba(191, 128, 255, 0.25);
}

.tag-red {
  color: var(--red);
  background: rgba(255, 74, 90, 0.12);
  border: 1px solid rgba(255, 74, 90, 0.25);
}

.card-folder {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--gray);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  white-space: nowrap;
}

.card-body {
  flex: 1;
  position: relative;
  z-index: 1;
  margin-bottom: 1.5rem;
}

.card-name {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 0.6rem;
  transition: color var(--transition);
}

.card:hover .card-name {
  color: var(--pink);
}

.card-desc {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.6;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.1rem;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.card-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.03em;
  transition: color var(--transition);
}

.card-arrow {
  color: var(--gray);
  transition: transform var(--transition), color var(--transition);
  flex-shrink: 0;
}

.card:hover .card-link {
  color: var(--pink);
}

.card:hover .card-arrow {
  transform: translateX(5px);
  color: var(--pink);
}

/* -------- Ideas & Closed Projects Glass Cards -------- */
.ideas-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.idea-item {
  display: flex;
  align-items: flex-start;
  gap: 1.35rem;
  padding: 1.5rem 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  transition: var(--transition);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: fadeUp 0.35s ease both;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.idea-item:hover {
  background: var(--surface-strong);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 25px rgba(255, 46, 147, 0.15);
}

.idea-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--orange);
  background: rgba(255, 107, 43, 0.1);
  border: 1px solid rgba(255, 107, 43, 0.25);
  border-radius: 8px;
  padding: 0.25rem 0.55rem;
  flex-shrink: 0;
}

.idea-text {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.idea-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.idea-desc {
  font-size: 0.9rem;
  color: var(--gray);
  font-weight: 400;
  line-height: 1.65;
}

.idea-desc br + br {
  display: block;
  content: '';
  margin-top: 0.5rem;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* -------- Empty state -------- */
.empty {
  text-align: center;
  color: var(--gray);
  padding: 4.5rem 1rem;
  font-size: 1rem;
  font-weight: 500;
}

.hidden {
  display: none !important;
}

/* -------- Responsive -------- */
@media (max-width: 768px) {
  .hero {
    padding: 7rem 0 2.5rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .tabs {
    width: 100%;
    justify-content: stretch;
  }

  .tab {
    flex: 1;
    justify-content: center;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-wrap {
    max-width: 100%;
  }

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

  .idea-item {
    padding: 1.25rem;
    gap: 1rem;
  }
}