@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Rajdhani:wght@400;600;700&display=swap');

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

:root {
  --bg: #07070f;
  --bg2: #0d0d1a;
  --bg3: #111122;
  --accent: #00d4ff;
  --accent2: #0099cc;
  --green: #00ff88;
  --red: #ff3366;
  --orange: #ff6b35;
  --purple: #9b59b6;
  --text: #c8d6e5;
  --text-dim: #5a7a8a;
  --border: rgba(0, 212, 255, 0.15);
  --glow: 0 0 20px rgba(0, 212, 255, 0.3);
  --font-mono: 'Share Tech Mono', monospace;
  --font-ui: 'Rajdhani', sans-serif;
}

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── EFFECTS ── */
.scanlines {
  pointer-events: none;
  position: fixed; inset: 0; z-index: 999;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
}
.noise {
  pointer-events: none;
  position: fixed; inset: 0; z-index: 998; opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── HEADER ── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(7,7,15,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1400px; margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { font-family: var(--font-mono); font-size: 1.4rem; letter-spacing: 4px; }
.logo-bracket { color: var(--text-dim); }
.logo-text { color: var(--text); }
.logo-accent { color: var(--accent); text-shadow: 0 0 12px var(--accent); }
.nav-status { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-dim); letter-spacing: 2px; }
.status-online { color: var(--green); animation: blink 2s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ── VIEWS ── */
.view { display: none; max-width: 1400px; margin: 0 auto; padding: 2rem; }
.view.active { display: block; }

/* ── HERO ── */
.hero { padding: 3rem 0 2rem; }
.hero-tag { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); letter-spacing: 4px; margin-bottom: 0.5rem; }
.hero-title { font-size: clamp(2rem, 6vw, 4.5rem); font-weight: 700; letter-spacing: 4px; line-height: 1.1; }
.accent { color: var(--accent); text-shadow: 0 0 30px rgba(0,212,255,0.5); }
.hero-sub { font-family: var(--font-mono); color: var(--text-dim); margin-top: 0.75rem; letter-spacing: 2px; }

/* ── GRID ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

/* ── CARDS ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.2s;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--card-color, var(--accent));
  opacity: 0;
  transition: opacity 0.25s;
}
.card:hover { border-color: var(--card-color, var(--accent)); transform: translateY(-2px); }
.card:hover::before { opacity: 1; }
.card:hover .card-icon { box-shadow: 0 0 20px var(--card-color, var(--accent)); }

.card-corner {
  position: absolute; top: 0.5rem; right: 0.5rem;
  font-size: 0.6rem; font-family: var(--font-mono);
  color: var(--text-dim); letter-spacing: 1px;
}
.card-icon {
  width: 52px; height: 52px;
  border-radius: 4px;
  background: rgba(0,212,255,0.07);
  border: 1px solid rgba(0,212,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: var(--card-color, var(--accent));
  margin-bottom: 1rem;
  transition: box-shadow 0.25s;
}
.card h3 { font-size: 1rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 0.4rem; }
.card p { font-size: 0.82rem; color: var(--text-dim); line-height: 1.5; font-family: var(--font-mono); }
.card-meta { margin-top: 1rem; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-dim); letter-spacing: 1px; }

.card-actions {
  position: absolute; bottom: 0.75rem; right: 0.75rem;
  display: flex; gap: 0.4rem; opacity: 0; transition: opacity 0.2s;
}
.card:hover .card-actions { opacity: 1; }
.card-btn {
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  font-size: 0.7rem; cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.card-btn:hover { color: var(--red); border-color: var(--red); }
.card-btn.edit:hover { color: var(--accent); border-color: var(--accent); }

/* ── SECTION HEADER ── */
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}
.section-header h2 {
  font-size: 0.85rem; letter-spacing: 4px; color: var(--text-dim);
  font-family: var(--font-mono);
}

/* ── BUTTONS ── */
.btn-add {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.4rem 1rem;
  font-family: var(--font-ui); font-weight: 600; font-size: 0.82rem;
  letter-spacing: 2px; cursor: pointer;
  transition: background 0.2s, color 0.2s;
  border-radius: 3px;
}
.btn-add:hover { background: var(--accent); color: var(--bg); }

.btn-back {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-mono); font-size: 0.85rem;
  cursor: pointer; letter-spacing: 2px;
  transition: color 0.2s;
}
.btn-back:hover { color: var(--accent); }

/* ── BREADCRUMB ── */
.breadcrumb {
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--text-dim); margin-bottom: 2rem; letter-spacing: 2px;
}
.breadcrumb-sep { color: var(--border); }

/* ── CATEGORY DETAIL ── */
.category-header-detail {
  display: flex; align-items: center; gap: 1.5rem;
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.cat-icon-lg {
  width: 72px; height: 72px; flex-shrink: 0;
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
}
.category-header-detail h1 {
  font-size: 1.8rem; font-weight: 700; letter-spacing: 4px;
}
.cat-desc { font-family: var(--font-mono); color: var(--text-dim); margin-top: 0.25rem; font-size: 0.85rem; }

.categories-section { margin-top: 2rem; }

/* ── MODAL ── */
.modal {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
}
.modal.hidden { display: none; }
.modal-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: 4px;
  width: min(480px, 90vw);
  box-shadow: 0 0 40px rgba(0,212,255,0.1);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-family: var(--font-mono); font-size: 0.9rem; letter-spacing: 4px; color: var(--accent); }
.modal-close {
  background: none; border: none; color: var(--text-dim); cursor: pointer;
  font-size: 1.1rem; transition: color 0.2s;
}
.modal-close:hover { color: var(--red); }
.modal-body { padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }

.form-group label {
  display: block; font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 2px; color: var(--text-dim); margin-bottom: 0.4rem;
}
.form-group input[type="text"],
.form-group textarea {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  padding: 0.6rem 0.75rem;
  font-family: var(--font-mono); font-size: 0.85rem;
  outline: none; resize: vertical;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.color-row { display: flex; align-items: center; gap: 0.75rem; }
input[type="color"] { border: none; background: none; width: 40px; height: 40px; cursor: pointer; }
#color-hex { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-dim); }

.modal-footer {
  display: flex; gap: 0.75rem; justify-content: flex-end;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}
.btn-cancel, .btn-confirm {
  padding: 0.5rem 1.25rem;
  font-family: var(--font-ui); font-weight: 600; font-size: 0.85rem;
  letter-spacing: 2px; border-radius: 3px; cursor: pointer;
}
.btn-cancel {
  background: transparent; border: 1px solid var(--border); color: var(--text-dim);
  transition: border-color 0.2s;
}
.btn-cancel:hover { border-color: var(--text-dim); }
.btn-confirm {
  background: var(--accent); border: 1px solid var(--accent); color: var(--bg);
  transition: background 0.2s;
}
.btn-confirm:hover { background: var(--accent2); }

/* ── ITEM CARD ── */
.item-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.25rem 1.5rem;
  position: relative; overflow: hidden;
  cursor: default;
  transition: border-color 0.2s;
}
.item-card::after {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--cat-color, var(--accent));
}
.item-card:hover { border-color: rgba(0,212,255,0.35); }
.item-card h3 { font-size: 0.9rem; letter-spacing: 2px; font-weight: 700; padding-left: 0.5rem; }
.item-card p { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-dim); margin-top: 0.4rem; padding-left: 0.5rem; }
.item-status {
  display: inline-block;
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 1px;
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  margin-top: 0.6rem; margin-left: 0.5rem;
}
.item-status.active { background: rgba(0,255,136,0.1); color: var(--green); border: 1px solid rgba(0,255,136,0.3); }

.item-actions {
  position: absolute; top: 0.75rem; right: 0.75rem;
  display: flex; gap: 0.4rem; opacity: 0; transition: opacity 0.2s;
}
.item-card:hover .item-actions { opacity: 1; }

/* ── BREADCRUMB BUTTON ── */
.btn-back-crumb {
  background: none; border: none;
  color: var(--text-dim); font-family: var(--font-mono); font-size: 0.82rem;
  cursor: pointer; letter-spacing: 2px; padding: 0;
  transition: color 0.2s;
}
.btn-back-crumb:hover { color: var(--accent); }

/* ── SUB-ITEM CARD ── */
.subitem-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
}
.subitem-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--si-color, var(--accent));
  opacity: 0;
  transition: opacity 0.25s;
}
.subitem-card:hover { border-color: var(--si-color, var(--accent)); transform: translateY(-2px); box-shadow: 0 4px 24px color-mix(in srgb, var(--si-color, var(--accent)) 15%, transparent); }
.subitem-card:hover::before { opacity: 1; }

.subitem-card .card-corner {
  position: absolute; top: 0.5rem; right: 0.5rem;
  font-size: 0.6rem; font-family: var(--font-mono);
  color: var(--text-dim); letter-spacing: 1px;
}

.subitem-icon {
  width: 52px; height: 52px;
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: var(--si-color, var(--accent));
  background: color-mix(in srgb, var(--si-color, var(--accent)) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--si-color, var(--accent)) 25%, transparent);
  margin-bottom: 1rem;
  transition: box-shadow 0.25s;
}
.subitem-card:hover .subitem-icon { box-shadow: 0 0 18px color-mix(in srgb, var(--si-color, var(--accent)) 40%, transparent); }

.subitem-card h3 {
  font-size: 1rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 0.4rem;
}
.subitem-card p {
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-dim); line-height: 1.5;
}

.subitem-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 1rem;
}

.subitem-launch {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: color-mix(in srgb, var(--si-color, var(--accent)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--si-color, var(--accent)) 40%, transparent);
  color: var(--si-color, var(--accent));
  padding: 0.35rem 0.8rem;
  border-radius: 3px;
  font-family: var(--font-ui); font-weight: 600; font-size: 0.78rem;
  letter-spacing: 2px; cursor: pointer; text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.subitem-launch:hover {
  background: color-mix(in srgb, var(--si-color, var(--accent)) 22%, transparent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--si-color, var(--accent)) 30%, transparent);
}

.subitem-actions {
  display: flex; gap: 0.4rem; opacity: 0; transition: opacity 0.2s;
}
.subitem-card:hover .subitem-actions { opacity: 1; }

/* ── EMPTY STATE ── */
.empty {
  grid-column: 1/-1;
  text-align: center; padding: 3rem;
  font-family: var(--font-mono); color: var(--text-dim);
  font-size: 0.85rem; letter-spacing: 2px;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

@media (max-width: 600px) {
  .view { padding: 1rem; }
  .hero-title { font-size: 2rem; }
  .category-header-detail { flex-direction: column; text-align: center; }
}