/* ===== TOKENS ===== */
:root {
  --bg: #08100c;
  --surface: rgba(12, 28, 20, 0.72);
  --surface-raised: rgba(18, 40, 28, 0.85);
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.15);
  --red: #d42b2b;
  --red-soft: rgba(212, 43, 43, 0.18);
  --green: #006a4e;
  --green-soft: rgba(0, 106, 78, 0.2);
  --text: #edeade;
  --text-muted: rgba(237, 234, 222, 0.5);
  --text-dim: rgba(237, 234, 222, 0.3);
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Syne', sans-serif;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ===== AMBIENT BACKGROUND ===== */
.ambient { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }

.amb-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  animation: drift 18s ease-in-out infinite alternate;
}
.amb-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(212, 43, 43, 0.35), transparent 70%);
  top: -180px; left: -140px;
  animation-delay: 0s;
}
.amb-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0, 106, 78, 0.3), transparent 70%);
  bottom: -200px; right: -160px;
  animation-delay: -8s;
}
.amb-3 {
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(212, 43, 43, 0.15), transparent 70%);
  top: 45%; left: 50%;
  animation-delay: -4s;
}
@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.1); }
}

.grain {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.4;
}

/* ===== PAGE WRAP ===== */
.page-wrap {
  position: relative; z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
  animation: pageIn 0.6s ease-out both;
}
@keyframes pageIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== HEADER ===== */
.site-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.header-flag {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}
.flag-green, .flag-red {
  display: block;
  width: 6px;
  height: 44px;
  border-radius: 3px;
}
.flag-green { background: var(--green); }
.flag-red   { background: var(--red); }

.header-text { flex: 1; }
.header-text h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: 0.5px;
  line-height: 1.1;
  color: var(--text);
}
.header-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 3px;
}

.header-badge {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--red);
  width: 60px; height: 60px;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid rgba(212, 43, 43, 0.4);
  border-radius: 50%;
  flex-shrink: 0;
  text-shadow: 0 0 20px rgba(212, 43, 43, 0.5);
}

/* ===== EDITOR LAYOUT ===== */
.editor-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 860px) {
  .editor-layout { grid-template-columns: 1fr; }
  .controls-panel { order: -1; }
}

/* ===== PREVIEW SECTION ===== */
.preview-section { display: flex; flex-direction: column; gap: 0; }

.canvas-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  background: repeating-conic-gradient(
    rgba(255,255,255,0.04) 0% 25%,
    transparent 0% 50%
  ) 0 0 / 20px 20px;
  border: 1px solid var(--border);
  cursor: move;
  user-select: none;
  transition: border-color 0.2s;
}
.canvas-stage:hover { border-color: var(--border-hover); }
.canvas-stage.dragging { cursor: grabbing; }

#mainCanvas {
  display: block;
  width: 100%;
  height: 100%;
}

.canvas-empty-state {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px;
  pointer-events: none;
  transition: opacity 0.3s;
}
.canvas-empty-state.hidden { opacity: 0; }
.empty-icon {
  width: 64px; height: 64px;
  border: 1.5px solid var(--border-hover);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim);
}
.canvas-empty-state p { font-size: 0.85rem; color: var(--text-dim); }

.canvas-hint {
  position: absolute;
  bottom: 14px; left: 50%;
  transform: translateX(-50%);
  background: rgba(8, 16, 12, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.canvas-stage:hover .canvas-hint { opacity: 1; }

/* ===== STATUS BAR ===== */
.status-bar {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 10px 16px;
  backdrop-filter: blur(12px);
}
.status-item {
  display: flex; align-items: center; gap: 7px;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex: 1;
}
.status-divider { width: 1px; height: 14px; background: var(--border); margin: 0 12px; flex-shrink: 0; }
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-empty  { border: 1.5px solid var(--border-hover); background: transparent; }
.dot-active { background: var(--red); box-shadow: 0 0 6px rgba(212,43,43,0.7); }
.dot-ready  { background: #22c55e; box-shadow: 0 0 6px rgba(34,197,94,0.5); }

/* ===== CONTROLS PANEL ===== */
.controls-panel {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel-section {
  padding: 1.4rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.panel-section:last-child { border-bottom: none; }

.step-label {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 1rem;
}
.step-num {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--red);
  background: var(--red-soft);
  padding: 3px 7px;
  border-radius: 4px;
  font-family: var(--font-body);
}
.step-label > span:last-child {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ===== UPLOAD ZONES ===== */
.upload-zone {
  position: relative;
  border: 1.5px dashed var(--border-hover);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.2s, background 0.2s;
  padding: 1.4rem;
  background: rgba(255,255,255,0.02);
}
.upload-zone:hover {
  border-color: rgba(212, 43, 43, 0.5);
  background: var(--red-soft);
}
.upload-zone.has-file {
  border-style: solid;
  border-color: rgba(0, 106, 78, 0.5);
  background: var(--green-soft);
}
.upload-zone input[type="file"] {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0; cursor: pointer;
  z-index: 2;
}
.upload-inner {
  display: flex; flex-direction: column;
  align-items: center; gap: 6px;
  pointer-events: none;
  text-align: center;
}
.upload-inner svg { color: var(--text-dim); }
.upload-inner strong { font-size: 0.85rem; font-weight: 500; color: var(--text); }
.upload-inner small  { font-size: 0.72rem; color: var(--text-muted); }

.upload-zone-sm { padding: 0.9rem; }
.upload-zone-sm .upload-inner { flex-direction: row; gap: 8px; }
.upload-zone-sm .upload-inner svg { flex-shrink: 0; }

/* ===== FRAME GRID ===== */
.frame-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}
.frame-thumb {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  background: repeating-conic-gradient(rgba(255,255,255,0.04) 0% 25%, transparent 0% 50%) 0 0/10px 10px;
  transition: border-color 0.15s, transform 0.15s;
  position: relative;
}
.frame-thumb:hover { border-color: var(--border-hover); transform: scale(1.04); }
.frame-thumb.active { border-color: var(--red); }
.frame-thumb canvas { display: block; width: 100%; height: 100%; }

.remove-frame-btn {
  position: absolute;
  top: 4px; right: 4px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  border: none;
  font-size: 14px;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s, transform 0.1s;
  box-shadow: 0 2px 4px rgba(0,0,0,0.5);
  z-index: 10;
}
.frame-thumb:hover .remove-frame-btn { opacity: 1; }
.remove-frame-btn:hover { background: #ff4d4d; transform: scale(1.1); }

.frame-thumb .frame-name {
  position: absolute; bottom: 0; left: 0; right: 0;
  font-size: 0.6rem; text-align: center;
  background: rgba(8,16,12,0.8);
  color: var(--text-muted);
  padding: 3px 0;
  display: none;
}
.frame-thumb:hover .frame-name { display: block; }

.section-or {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px;
  font-size: 0.72rem;
  color: var(--text-dim);
}
.section-or::before, .section-or::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ===== SLIDERS ===== */
.slider-group { margin-bottom: 1rem; }
.slider-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 8px;
}
.slider-row label {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
  cursor: default;
}
.slider-row label svg { color: var(--text-dim); }
.slider-val {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text);
  min-width: 42px;
  text-align: right;
}

.track-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  background: var(--border-hover);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.track-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--text);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 1.5px var(--red);
  cursor: pointer;
  transition: transform 0.15s;
}
.track-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.track-slider::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--text);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 1.5px var(--red);
  cursor: pointer;
}

.ghost-btn {
  display: flex; align-items: center; gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.78rem;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  margin-top: 4px;
}
.ghost-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

/* ===== EXPORT SECTION ===== */
.panel-section-export { background: rgba(212,43,43,0.04); }

.export-options { margin-bottom: 1rem; }
.export-size-label { font-size: 0.72rem; color: var(--text-dim); display: block; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px; }

.size-pills {
  display: flex; gap: 6px;
}
.size-pill {
  flex: 1;
  padding: 6px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.78rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.size-pill:hover {
  border-color: var(--border-hover);
  color: var(--text);
}
.size-pill.active {
  border-color: var(--red);
  background: var(--red-soft);
  color: var(--text);
}

.download-btn {
  width: 100%;
  padding: 13px;
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  letter-spacing: 0.3px;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(212,43,43,0.35);
  margin-bottom: 10px;
}
.download-btn:hover:not(:disabled) {
  background: #bf2424;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(212,43,43,0.45);
}
.download-btn:active:not(:disabled) { transform: scale(0.98); }
.download-btn:disabled {
  background: rgba(212,43,43,0.3);
  cursor: not-allowed;
  box-shadow: none;
}

.export-note {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }