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

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

:root {
  --ink: #eef1fb;
  --ink-dim: #b7bdd6;
  --ink-faint: #7b81a3;
  --glass: rgba(255,255,255,.055);
  --glass-strong: rgba(255,255,255,.09);
  --glass-border: rgba(255,255,255,.14);
  --glass-border-strong: rgba(255,255,255,.24);
  --violet: #8b7cf7;
  --violet-dim: #6f5fe0;
  --cyan: #5fe3d8;
  --coral: #ff8a7a;
  --coral-dim: #ef5f52;
  --amber: #ffc178;
  --radius: 16px;
  --radius-sm: 10px;
  --blur: blur(22px);
  --shadow-glass: 0 8px 32px rgba(6,8,24,.35), inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-pop: 0 12px 40px rgba(6,8,24,.45), inset 0 1px 0 rgba(255,255,255,.1);
}

html { min-height: 100%; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 900px 600px at 8% -5%, rgba(139,124,247,.35), transparent 60%),
    radial-gradient(ellipse 800px 700px at 95% 10%, rgba(95,227,216,.22), transparent 55%),
    radial-gradient(ellipse 900px 800px at 50% 110%, rgba(255,138,122,.18), transparent 55%),
    linear-gradient(160deg, #0b0d1f 0%, #131329 45%, #0c1024 100%);
  background-attachment: fixed;
  position: relative;
}

/* floating ambient blobs */
.blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  z-index: 0;
  pointer-events: none;
  opacity: .55;
}
.blob-a { width: 420px; height: 420px; top: -120px; left: -100px; background: radial-gradient(circle, var(--violet), transparent 70%); animation: drift1 22s ease-in-out infinite; }
.blob-b { width: 380px; height: 380px; top: 30%; right: -140px; background: radial-gradient(circle, var(--cyan), transparent 70%); animation: drift2 26s ease-in-out infinite; }
.blob-c { width: 340px; height: 340px; bottom: -140px; left: 25%; background: radial-gradient(circle, var(--coral), transparent 70%); animation: drift3 30s ease-in-out infinite; }
@keyframes drift1 { 0%,100%{ transform: translate(0,0); } 50%{ transform: translate(40px,50px); } }
@keyframes drift2 { 0%,100%{ transform: translate(0,0); } 50%{ transform: translate(-50px,30px); } }
@keyframes drift3 { 0%,100%{ transform: translate(0,0); } 50%{ transform: translate(30px,-40px); } }

/* ── NAV ── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(15,17,36,.55);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--glass-border);
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.3px;
}
.nav-brand span {
  background: linear-gradient(120deg, var(--violet), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav-sep { flex: 1; }
.nav-coord {
  font-size: 0.75rem;
  color: var(--ink-dim);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  padding: 4px 12px;
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  min-width: 110px;
  text-align: center;
  backdrop-filter: var(--blur);
}

/* ── MAIN LAYOUT ── */
.page { max-width: 1100px; margin: 0 auto; padding: 40px 24px 70px; position: relative; z-index: 1; }

/* ── HERO ── */
.hero { margin-bottom: 32px; }
.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: -.6px;
}
.hero p {
  font-size: 0.95rem;
  color: var(--ink-dim);
  max-width: 820px;
  line-height: 1.75;
}
.hero p strong { color: var(--ink); font-weight: 600; }
.hero p em { color: var(--cyan); font-style: normal; }

/* ── GLASS PANEL BASE ── */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow-glass);
}

/* ── UPLOAD PANEL ── */
.upload-panel {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow-glass);
  padding: 40px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.upload-or { color: var(--ink-faint); font-size: 0.88rem; font-weight: 600; letter-spacing: .5px; }

.btn-green {
  background: linear-gradient(135deg, var(--violet), var(--violet-dim));
  color: white;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-sm);
  padding: 11px 22px;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .15s, box-shadow .2s, filter .15s;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  box-shadow: 0 4px 18px rgba(139,124,247,.35), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-green:hover { transform: translateY(-1px); filter: brightness(1.08); box-shadow: 0 8px 26px rgba(139,124,247,.45), inset 0 1px 0 rgba(255,255,255,.3); }
.btn-green:active { transform: translateY(0); }

.url-row {
  display: none;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  justify-content: center;
}
.url-row.visible { display: flex; }
.url-row input {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 9px 14px;
  font-size: 0.88rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  width: 320px;
  color: var(--ink);
  background: rgba(255,255,255,.06);
}
.url-row input::placeholder { color: var(--ink-faint); }
.url-row input:focus { border-color: var(--violet); box-shadow: 0 0 0 3px rgba(139,124,247,.2); }
.btn-outline {
  background: rgba(255,255,255,.04);
  color: var(--ink-dim);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 9px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); }

/* ── CANVAS SECTION ── */
.canvas-section { display: none; margin-bottom: 32px; }
.canvas-section.visible { display: block; }

.canvas-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--ink-faint);
  margin-bottom: 10px;
}
.canvas-box {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  overflow: hidden;
  display: inline-block;
  max-width: 100%;
  position: relative;
  cursor: crosshair;
  box-shadow: var(--shadow-pop);
}
.canvas-box img { display: block; max-width: 100%; }
.canvas-box svg {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.canvas-box svg.on { pointer-events: all; }

/* ── AREAS TABLE ── */
.areas-section { margin-bottom: 28px; }
.areas-section h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--ink);
}

.areas-table-wrap {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow-glass);
  overflow: hidden;
}
.areas-table {
  width: 100%;
  border-collapse: collapse;
}
.areas-table thead tr {
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid var(--glass-border);
}
.areas-table thead th {
  padding: 12px 14px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--ink-faint);
}
.areas-table thead th:first-child { width: 60px; text-align: center; }
.areas-table thead th:nth-child(2) { width: 140px; }
.areas-table thead th:last-child { width: 50px; }

.areas-table tbody tr {
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: background .15s;
}
.areas-table tbody tr:last-child { border-bottom: none; }
.areas-table tbody tr:hover { background: rgba(255,255,255,.035); }
.areas-table tbody tr.active-row { background: rgba(139,124,247,.14); }

.areas-table tbody td {
  padding: 9px 14px;
  vertical-align: middle;
}
.areas-table tbody td:first-child { text-align: center; }

/* Radio */
.radio-wrap {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid var(--glass-border-strong);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: border-color .15s;
  flex-shrink: 0;
}
.radio-wrap.checked { border-color: var(--cyan); }
.radio-wrap.checked::after {
  content:'';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(95,227,216,.8);
}

/* Table inputs */
.tbl-select, .tbl-input {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 7px 11px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: var(--ink);
  background: rgba(255,255,255,.05);
  outline: none;
  width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
.tbl-select:focus, .tbl-input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(95,227,216,.15); }
.tbl-input::placeholder { color: var(--ink-faint); }
.tbl-select { cursor: pointer; }
.tbl-select option { background: #191b33; color: var(--ink); }

/* Color dot */
.color-dot {
  width: 10px; height: 10px;
  border-radius: 3px;
  display: inline-block;
  margin-right: 6px;
  vertical-align: middle;
  flex-shrink: 0;
}

/* Delete btn */
.btn-del {
  background: rgba(255,95,82,.15);
  color: var(--coral);
  border: 1px solid rgba(255,95,82,.35);
  border-radius: var(--radius-sm);
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  transition: background .15s, color .15s;
  flex-shrink: 0;
}
.btn-del:hover { background: var(--coral-dim); color: white; }

/* Add row */
.add-row {
  padding: 12px 14px;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  justify-content: flex-end;
  background: rgba(255,255,255,.02);
}
.btn-add {
  background: linear-gradient(135deg, var(--coral), var(--coral-dim));
  color: white;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-sm);
  padding: 9px 18px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform .15s, filter .15s, box-shadow .15s;
  box-shadow: 0 4px 16px rgba(255,95,82,.3), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-add:hover { transform: translateY(-1px); filter: brightness(1.06); }

/* ── GENERATE BTN ── */
.generate-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.btn-generate {
  background: linear-gradient(135deg, var(--cyan), #35b8ac);
  color: #05221f;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius-sm);
  padding: 12px 30px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s, box-shadow .2s, filter .15s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 6px 22px rgba(95,227,216,.35), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-generate:hover { transform: translateY(-1px); filter: brightness(1.05); box-shadow: 0 10px 30px rgba(95,227,216,.45), inset 0 1px 0 rgba(255,255,255,.4); }
.btn-clear {
  background: rgba(255,255,255,.05);
  color: var(--ink-dim);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 11px 22px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.btn-clear:hover { border-color: var(--coral); color: var(--coral); }

/* ── STATUS BAR ── */
.status-bar {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 0.8rem;
  color: var(--ink-dim);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  backdrop-filter: var(--blur);
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ink-faint);
  flex-shrink: 0;
}
.status-dot.drawing { background: var(--cyan); box-shadow: 0 0 10px rgba(95,227,216,.9); animation: pulse 1.2s ease infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

/* ── INFO GRID ── */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.info-col h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--ink);
}
.info-col p {
  font-size: 0.9rem;
  color: var(--ink-dim);
  margin-bottom: 10px;
  line-height: 1.8;
}
.info-col p strong { color: var(--ink); }
.info-col p em { color: var(--cyan); font-style: normal; }

/* ── OUTPUT MODAL ── */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(5,7,20,.65);
  backdrop-filter: blur(6px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: rgba(24,26,48,.75);
  border-radius: var(--radius);
  border: 1px solid var(--glass-border-strong);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow-pop);
  width: min(660px,100%);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-head {
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-head h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}
.modal-close-btn {
  background: none; border: none; font-size: 18px; cursor: pointer; color: var(--ink-faint); line-height:1;
  transition: color .15s;
}
.modal-close-btn:hover { color: var(--coral); }
.modal-body { padding: 18px 22px; flex: 1; overflow: auto; }
.modal-body textarea {
  width: 100%; min-height: 260px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--cyan);
  background: rgba(0,0,0,.25);
  resize: vertical; outline: none; line-height: 1.7;
}
.modal-body textarea:focus { border-color: var(--violet); }
.modal-foot {
  padding: 14px 22px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  gap: 8px;
  background: rgba(255,255,255,.02);
}
.modal-foot button { flex: 1; }
.btn-copy {
  background: linear-gradient(135deg, var(--violet), var(--violet-dim)); color: white; border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-sm); padding: 10px;
  font-family: 'Inter', sans-serif; font-size: 0.88rem; font-weight: 700; cursor: pointer;
  transition: filter .15s;
  box-shadow: 0 4px 16px rgba(139,124,247,.3);
}
.btn-copy:hover { filter: brightness(1.08); }
.btn-modal-close {
  background: rgba(255,255,255,.04); color: var(--ink-dim);
  border: 1px solid var(--glass-border); border-radius: var(--radius-sm); padding: 10px;
  font-family: 'Inter', sans-serif; font-size: 0.88rem; font-weight: 600; cursor: pointer;
  transition: border-color .15s, color .15s;
}
.btn-modal-close:hover { border-color: var(--glass-border-strong); color: var(--ink); }

/* hint callout */
.custom-callout {
  display: none;
  background: rgba(95,227,216,.1);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.82rem;
  color: #cdfbf4;
  margin-bottom: 12px;
}
.custom-callout.visible { display: block; }

/* scrollbar polish */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.15); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.25); }

@media (max-width: 640px) {
  .info-grid { grid-template-columns: 1fr; }
  .upload-panel { flex-direction: column; gap: 12px; }
  .hero h1 { font-size: 1.6rem; }
}