/* Minimal extras (Tailwind handles most styling) */
body { color: #1f2937; }

#balloon-canvas { touch-action: none; }

.balloon-canvas {
  background: #fff;
  border-radius: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  border: 1px black solid;
  margin-top: 0.25rem;
}

/* Buttons */
.tool-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: .5rem .75rem;
  border: 1px solid #e2e8f0;
  border-radius: .75rem;
  background: #fff;
  color: #1e293b;
  font-weight: 600;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.tool-btn svg { width: 1.1em; height: 1.1em; fill: currentColor; }
.tool-btn:hover { transform: translateY(-1px); box-shadow: 0 2px 5px rgba(0,0,0,0.05); }
.tool-btn[aria-pressed="true"] { background:#3b82f6; color:#fff; border-color:#3b82f6; box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3); }
.tool-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; }

/* Base button style - Slate Gradient */
.btn-dark   { background: linear-gradient(135deg, #334155, #0f172a); color:#fff; padding:.6rem .8rem; border-radius:.75rem; transition: all 0.2s; box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15); }
.btn-dark:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(15, 23, 42, 0.25); }

/* Primary Action - Vibrant Blue/Indigo Gradient */
.btn-blue   { background: linear-gradient(135deg, #6366f1, #3b82f6); color:#fff; padding:.6rem .8rem; border-radius:.75rem; transition: all 0.2s; box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3); }
.btn-blue:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4); }

/* Success/Save - Emerald Gradient */
.btn-green  { background: linear-gradient(135deg, #10b981, #059669); color:#fff; padding:.6rem .8rem; border-radius:.75rem; transition: all 0.2s; box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3); }
.btn-green:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4); }

/* Secondary Action - White Glass */
.btn-yellow { background: rgba(255,255,255,0.9); color:#334155; border: 1px solid #cbd5e1; padding:.55rem .75rem; border-radius:.75rem; transition: all 0.2s; }
.btn-yellow:hover { background:#fff; border-color:#94a3b8; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }

/* Destructive - Red Gradient */
.btn-danger { background: linear-gradient(135deg, #ef4444, #dc2626); color:#fff; padding:.6rem .8rem; border-radius:.75rem; transition: all 0.2s; box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3); }
.btn-danger:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4); }

/* Accent - Indigo/Purple Gradient */
.btn-indigo { background: linear-gradient(135deg, #8b5cf6, #6366f1); color:#fff; padding:.6rem .8rem; border-radius:.75rem; transition: all 0.2s; box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3); }
.btn-indigo:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(139, 92, 246, 0.4); }

.btn-dark.text-sm { padding:.35rem .55rem; }

.copy-message{ opacity:0; transition:opacity .3s; }
.copy-message.show{ opacity:1; }

.hint { font-size:.8rem; color:#64748b; }

/* Palette / Swatches */
.palette-box {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: .5rem;
  background: rgba(255,255,255,0.6); /* More transparent */
  border: 1px solid #e5e7eb;
  border-radius: .75rem;
  max-height: 260px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.swatch {
  appearance: none;
  padding: 0;
  position: relative;
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  border: 2px solid rgba(0,0,0,.05);
  box-shadow: 0 2px 4px rgba(0,0,0,.05);
  cursor: pointer;
  transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.swatch:hover { transform: scale(1.1); z-index: 10; }
.swatch:focus-visible { outline: 2px solid #6366f1; outline-offset: 2px; }
.swatch.active { outline: 2px solid #6366f1; outline-offset: 2px; }
.swatch.tiny { width: 1.4rem; height: 1.4rem; border-width: 1px; box-shadow: none; }

.current-color-chip {
  min-width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  border: 2px solid rgba(51,65,85,0.15);
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 .6rem;
  background-size: cover;
  background-position: center;
  background-color: #fff;
}

.swatch-row { display:flex; flex-wrap:wrap; gap:.5rem; }
.family-title { font-weight:700; color:#334155; margin-top:.25rem; font-size:.9rem; letter-spacing: -0.01em; }

.badge {
  position:absolute;
  right:-6px; top:-6px;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 .25rem;
  background:#1e293b;
  color:#fff;
  border-radius: 9999px;
  font-size:.7rem;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Selects */
.select {
  width: 100%;
  padding: .5rem .6rem;
  border: 1px solid #cbd5e1;
  border-radius: .5rem;
  background: #fff;
  color: #334155;
}

#classic-swatch-grid .sw { width: 24px; height: 24px; border-radius: 6px; border: 1px solid rgba(0,0,0,.1); cursor: pointer; }
#classic-swatch-grid .sw:focus { outline: 2px solid #2563eb; outline-offset: 2px; }
.slot-btn { position: relative; overflow: hidden; }
.slot-btn[aria-pressed="true"] { background:#3b82f6; color:#fff; }
.slot-btn.slot-active {
  box-shadow: 0 0 0 3px rgba(255,255,255,0.95);
  outline: 3px solid #f97316;
  outline-offset: 3px;
  z-index: 1;
}
.slot-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.slot-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.slot-swatch {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  border: 3px solid #e5e7eb;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: border-color .2s, transform .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: rgba(0,0,0,0.4);
  background-size: cover;
  background-position: center;
  position: relative;
}

.slot-swatch:hover {
  border-color: #9ca3af;
}

.slot-swatch.active {
  border-color: #2563eb;
  transform: scale(1.1);
}
.slot-swatch.active::after { display: none; }

.topper-type-group {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}
.topper-type-btn {
  flex: 1 1 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
}
.topper-type-btn i { font-size: 1rem; }

.floating-nudge {
  position: fixed;
  right: 0.9rem;
  bottom: 4.6rem;
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(148,163,184,0.3);
  border-radius: 1rem;
  padding: 0.75rem;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.18);
  width: 210px;
  z-index: 35;
}
.floating-nudge-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .35rem;
}
.floating-nudge-body.collapsed { display: none; }
.floating-nudge.collapsed .floating-nudge-body { display: none; }
.floating-nudge.collapsed #floating-nudge-toggle { opacity: 0.8; }

.slot-label {
  font-weight: 600;
  color: #4b5563;
}

/* Panel styling */
.panel-heading {
  font-weight: 800;
  color: #334155;
  margin-bottom: .35rem;
  letter-spacing: -0.02em;
}
.panel-card {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}
.control-stack {
  display: flex;
  flex-direction: column;
}

/* ---------- Control sheet ---------- */
.control-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 3.8rem;
  max-height: 60vh;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255,255,255,0.5);
  box-shadow: 0 -4px 30px rgba(0,0,0,0.08);
  border-radius: 1.5rem 1.5rem 0 0;
  padding: 1.25rem 1rem;
  overflow-y: auto;
  z-index: 30;
  -webkit-overflow-scrolling: touch;
  transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}
.control-sheet.hidden { display: none; }
.control-sheet.minimized { transform: translateY(100%); }
.panel-title {
  font-weight: 900;
  font-size: 1.1rem;
  background: linear-gradient(to right, #4f46e5, #db2777);
  -webkit-background-clip: text;
  color: transparent;
  margin-bottom: .5rem;
}
.panel-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: .4rem;
}
.sheet-close-btn {
  padding: .45rem .75rem;
  border-radius: 999px;
  border: 1px solid #e5e7eb;
  background: #f3f4f6;
  font-weight: 700;
  color: #111827;
}

.control-stack {
  display: flex;
  flex-direction: column;
}

@media (max-width: 1023px) {
  body { padding-bottom: 88px; }
  html, body { height: 100%; overflow: hidden; }

  .control-sheet .control-stack { display: none; }
  body[data-mobile-tab="controls"] #controls-panel [data-mobile-tab="controls"],
  body[data-mobile-tab="colors"] #controls-panel [data-mobile-tab="colors"],
  body[data-mobile-tab="save"] #controls-panel [data-mobile-tab="save"],
  body[data-mobile-tab="controls"] #classic-controls-panel [data-mobile-tab="controls"],
  body[data-mobile-tab="colors"] #classic-controls-panel [data-mobile-tab="colors"],
  body[data-mobile-tab="save"] #classic-controls-panel [data-mobile-tab="save"] {
    display: block;
  }
}

.mobile-tabbar {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: .6rem .9rem .9rem;
  background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(224,242,254,0.92));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #0f172a;
  z-index: 40;
  gap: .4rem;
  box-shadow: 0 -6px 30px rgba(15, 23, 42, 0.12);
  border-top: 1px solid rgba(148, 163, 184, 0.25);
}
.mobile-tabbar .mobile-tab-btn {
  flex: 1 1 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  text-align: center;
  padding: .7rem .5rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255,255,255,0.8);
  color: #1d4ed8;
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: 0.01em;
  transition: all 0.2s ease;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.12);
}
.mobile-tabbar .mobile-tab-icon {
  font-size: 1.2rem;
  line-height: 1;
  display: block;
  flex-shrink: 0;
}
.mobile-tabbar .mobile-tab-btn[aria-pressed="true"] {
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  border-color: rgba(37, 99, 235, 0.2);
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.3);
  transform: translateY(-2px);
}


@media (min-width: 1024px) {
  .control-sheet {
    left: 1rem;
    top: 7rem;
    bottom: auto;
    width: 340px;
    max-height: calc(100vh - 8rem);
    border-radius: 1.5rem;
    position: sticky;
    overflow-y: auto;
    background: rgba(255,255,255,0.6);
    border: 1px solid rgba(255,255,255,0.4);
  }
  body { padding-bottom: 0; overflow: auto; }
}