:root {
  /* Dark Mode Palette */
  --bg: #0a0a0b;
  --bg-gradient: radial-gradient(circle at top left, rgba(15,118,110,.15), transparent 40%),
                 radial-gradient(circle at bottom right, rgba(15,118,110,.1), transparent 40%),
                 #0a0a0b;
  --panel: rgba(24,24,27,.85);
  --panel-strong: #18181b;
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --border: rgba(255,255,255,.08);
  --border-focus: rgba(20,184,166,.4);
  --accent: #14b8a6;
  --accent-hover: #0d9488;
  --danger: #ef4444;
  --shadow: 0 8px 32px rgba(0,0,0,.4);
  --radius-xl: 16px;
  --radius-lg: 12px;
  --radius-md: 8px;
}

html[data-theme="light"] {
  --bg: #f0f0f2;
  --bg-gradient: radial-gradient(circle at top left, rgba(20,184,166,.12), transparent 40%),
                 radial-gradient(circle at bottom right, rgba(20,184,166,.05), transparent 40%),
                 #f0f0f2;
  --panel: rgba(255,255,255,.9);
  --panel-strong: #ffffff;
  --text: #09090b;
  --muted: #71717a;
  --border: rgba(9,9,11,.12);
  --border-focus: rgba(20,184,166,.6);
  --shadow: 0 8px 32px rgba(9,9,11,.1);
}

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

html, body { height: 100dvh; overflow: hidden; }

body {
  font-family: "Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  color: var(--text);
  background: var(--bg-gradient);
  display: flex;
  flex-direction: column;
}

button, input, textarea, select { font: inherit; color: inherit; }
button, a { transition: all .2s ease; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ==================== APP SHELL ==================== */
.app-shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  width: 100%;
  position: fixed;
  top: 0; left: 0;
  overflow: hidden;
}

/* ==================== HEADER ==================== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  padding: 0 16px;
  background: var(--panel);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
  flex-shrink: 0;
}

.header-left { display: flex; align-items: center; gap: 12px; }

.logo-area {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  border-radius: var(--radius-md);
  color: #fff; font-size: 20px;
  flex-shrink: 0;
}
.logo-area.large {
  width: 72px; height: 72px; font-size: 40px;
  border-radius: var(--radius-xl);
  animation: pulse 2s infinite ease-in-out;
}

.title-area h1 { font-size: 1rem; font-weight: 700; }
.subcopy { font-size: .7rem; color: var(--accent); text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }

/* Header center (desktop only) */
.header-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0 10px;
}
.header-center::-webkit-scrollbar { display: none; }
.header-sep { width: 1px; height: 24px; background: var(--border); flex-shrink: 0; }

.ghost-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1.1rem;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ghost-btn:hover { color: var(--text); border-color: var(--border-focus); }
.ghost-btn:disabled { opacity: .35; cursor: not-allowed; }

.preset-strip { display: flex; gap: 6px; }

.preset-chip {
  display: flex; flex-direction: column; align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all .2s;
}
.preset-chip:hover { color: var(--text); border-color: rgba(255,255,255,.15); }
.preset-chip.is-active { background: rgba(20,184,166,.12); border-color: var(--accent); color: var(--accent); }
.chip-label { font-size: .8rem; font-weight: 600; }
.chip-hint  { font-size: .65rem; color: var(--muted); }
.preset-chip.is-active .chip-hint { color: var(--accent-hover); }

.actions-row { display: flex; gap: 8px; align-items: center; }
.mobile-header-add-btn { display: none; }

.primary-btn, .secondary-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border-radius: var(--radius-md); cursor: pointer; border: none;
  font-weight: 600; text-decoration: none; padding: 8px 14px;
}
.primary-btn  { background: var(--accent); color: #000; }
.primary-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
.secondary-btn { background: var(--panel-strong); border: 1px solid var(--border); color: var(--text); }
.secondary-btn:hover { background: rgba(255,255,255,.05); }

/* ==================== LAYOUT ==================== */
.editor-layout { display: flex; flex: 1; overflow: hidden; min-height: 0; }

/* Left Tools Panel */
.tools-panel {
  width: 72px;
  background: var(--panel);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center;
  padding: 12px 0; gap: 6px; z-index: 5; overflow-y: auto;
}

.tool-btn {
  flex-direction: column; gap: 3px;
  background: transparent; color: var(--muted);
  width: 56px; height: 52px;
  font-size: .65rem; font-weight: 500;
  border: none; cursor: pointer; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
}
.tool-btn i { font-size: 22px; }
.tool-btn:hover, .tool-btn.active { background: rgba(255,255,255,.06); color: var(--text); }
.tool-btn.danger:hover { color: var(--danger); background: rgba(239,68,68,.1); }

.divider { width: 40px; height: 1px; background: var(--border); margin: 4px 0; }

/* Canvas Panel */
.canvas-panel {
  flex: 1; position: relative; background: #1a1a1e;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
html[data-theme="light"] .canvas-panel { background: #e2e2e6; }

.canvas-wrapper {
  position: relative; display: flex;
  align-items: center; justify-content: center;
  width: 100%; height: 100%;
  overflow: hidden;
}
/* canvas-stage now has no transform — Fabric.js zoom handles scaling */
.canvas-stage {
  position: relative;
  box-shadow: 0 0 0 1px rgba(255,255,255,.12), var(--shadow);
  /* Smooth size transitions when preset changes */
  transition: width .18s ease, height .18s ease;
}
html[data-theme="light"] .canvas-stage { box-shadow: 0 0 0 1px rgba(0,0,0,.15), var(--shadow); }
/* The Fabric.js canvas element fills the stage exactly */
.canvas-stage canvas { display: block; }
#editorCanvas { display: block; }

/* Right Properties Panel */
.controls-panel {
  width: 300px;
  background: var(--panel);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column; z-index: 5;
}

.panel-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 2px;
  flex-shrink: 0;
}
.panel-header h2 { font-size: .95rem; font-weight: 700; }
.panel-header span { font-size: .72rem; color: var(--muted); }

.panel-content {
  flex: 1; overflow-y: auto;
  padding: 14px; display: flex; flex-direction: column; gap: 18px;
}

.control-group h3 {
  font-size: .75rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--accent); margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}

.panel-section { margin-bottom: 12px; }
.panel-section:last-child { margin-bottom: 0; }

label { display: block; margin-bottom: 5px; font-size: .8rem; font-weight: 500; color: var(--muted); }

input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 8px 10px;
  outline: none;
  font-size: .88rem;
  transition: border-color .2s;
}
textarea { resize: vertical; min-height: 70px; }
input:focus, select:focus, textarea:focus { border-color: var(--border-focus); }

.grid-form { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.color-picker-wrapper {
  background: var(--panel-strong); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 3px;
  height: 38px; display: flex;
}
.color-picker-wrapper.small { width: 38px; height: 30px; padding: 2px; }
input[type="color"] { width: 100%; height: 100%; border: none; border-radius: 5px; padding: 0; background: transparent; cursor: pointer; }
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border: none; border-radius: 3px; }

input[type="range"] { width: 100%; accent-color: var(--accent); cursor: pointer; margin-top: 4px; }

/* Canvas size row */
.canvas-size-row {
  display: flex; align-items: center; gap: 6px;
}
.canvas-size-row input { flex: 1; padding: 8px 6px; text-align: center; }
.canvas-size-row span { color: var(--muted); font-weight: 600; }
.apply-btn {
  background: var(--accent); color: #000; border: none;
  border-radius: var(--radius-md); padding: 8px 12px;
  font-weight: 700; cursor: pointer; flex-shrink: 0;
}
.apply-btn:hover { background: var(--accent-hover); }

/* Format Toolbar (desktop) */
.format-toolbar {
  display: flex; gap: 4px; flex-wrap: wrap;
}
.fmt-sep { width: 1px; height: 24px; background: var(--border); margin: 0 2px; align-self: center; }
.fmt-btn {
  background: var(--panel-strong); border: 1px solid var(--border);
  color: var(--muted); border-radius: var(--radius-md);
  padding: 6px 10px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 4px;
  font-size: .82rem;
}
.fmt-btn i { font-size: 16px; }
.fmt-btn:hover { color: var(--text); border-color: rgba(255,255,255,.2); }
.fmt-btn.active { background: rgba(20,184,166,.15); border-color: var(--accent); color: var(--accent); }

.helper-text { font-size: .75rem; color: var(--muted); margin-top: 6px; }

.status-message { font-size: .82rem; color: var(--accent); min-height: 18px; margin-top: auto; }
.status-message.error { color: var(--danger); }

/* ==================== LAYERS ==================== */
.layers-list { display: flex; flex-direction: column; gap: 6px; max-height: 220px; overflow-y: auto; }

.layer-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 10px;
  background: var(--panel-strong); border: 1px solid var(--border);
  border-radius: var(--radius-md); cursor: pointer; transition: all .18s;
}
.layer-item:hover { border-color: rgba(255,255,255,.15); }
.layer-item.active { border-color: var(--accent); background: rgba(20,184,166,.1); }

.layer-info { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.layer-thumb {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.layer-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.layer-thumb-text {
  font-size: .95rem;
  font-weight: 800;
}
.layer-copy { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.layer-copy strong,
.layer-copy span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.layer-copy strong { font-size: .82rem; font-weight: 700; color: var(--text); }
.layer-copy span { font-size: .7rem; color: var(--muted); }

.layer-actions { display: flex; gap: 2px; }
.layer-action-btn {
  background: transparent; border: none; color: var(--muted);
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; border-radius: 4px; font-size: 13px;
}
.layer-action-btn:hover:not(:disabled) { background: rgba(255,255,255,.08); color: var(--text); }
.layer-action-btn:disabled { opacity: .3; cursor: not-allowed; }
.layer-action-btn.danger:hover { color: var(--danger); background: rgba(239,68,68,.1); }

.no-layers {
  font-size: .8rem; color: var(--muted); text-align: center;
  padding: 18px 0; border: 1px dashed var(--border); border-radius: var(--radius-md);
}

.style-chip-row,
.stack-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.style-chip-row.mobile,
.stack-chip-list.mobile {
  gap: 6px;
}
.style-chip-btn,
.stack-chip {
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--text);
  font-size: .76rem;
  font-weight: 700;
}
.style-chip-btn:hover,
.style-chip-btn.is-active,
.stack-chip {
  border-color: var(--accent);
  color: var(--accent);
}
.stack-chip-list {
  margin-top: 10px;
}
.stack-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.stack-chip button {
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: .78rem;
}

/* ==================== MOBILE CONTROLS (hidden on desktop) ==================== */
.mobile-editor-controls { display: none; }
.m-floating-add-btn { display: none; }

@media (max-width: 900px) {

  .app-header { height: 50px; padding: 0 10px; }
  .logo-area { width: 30px; height: 30px; font-size: 16px; }
  .title-area h1 { font-size: .88rem; }
  .subcopy { font-size: .6rem; }
  .header-center { display: none; }
  .header-right gap { gap: 6px; }
  .mobile-header-add-btn {
    display: inline-flex;
    color: var(--accent);
    border-color: rgba(20,184,166,.32);
    background: rgba(20,184,166,.08);
  }
  .mobile-header-add-btn:active,
  .mobile-header-add-btn:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border-color: transparent;
  }
  .primary-btn span, .secondary-btn span { display: none; }
  .primary-btn, .secondary-btn { padding: 7px 10px; }

  .editor-layout { flex-direction: column; flex: 1; min-height: 0; overflow: hidden; }
  .tools-panel, .controls-panel { display: none !important; }

  /* Canvas fills available space above bottom bar */
  .canvas-panel {
    flex: 1; width: 100%; min-height: 0;
    padding: 6px;
    background: #111;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    transition: padding-bottom .2s ease, background .2s ease;
  }
  html[data-theme="light"] .canvas-panel { background: #d4d4d8; }
  body.is-mobile-text-editing .canvas-panel {
    padding-bottom: 16px;
    background:
      radial-gradient(circle at 50% 65%, rgba(45,212,191,.12), transparent 36%),
      #111;
  }
  html[data-theme="light"] body.is-mobile-text-editing .canvas-panel {
    background:
      radial-gradient(circle at 50% 65%, rgba(20,184,166,.10), transparent 36%),
      #d4d4d8;
  }
  
  .canvas-wrapper {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
  }

  /* ---- Mobile Editor Controls (bottom bar + drawer) ---- */
  .mobile-editor-controls {
    display: flex; flex-direction: column;
    width: 100%; flex-shrink: 0;
    background: rgba(18, 18, 24, 0.85);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    position: relative; z-index: 200;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    --mobile-text-drawer-height: min(78vh, 680px);
    transform: translateY(calc(var(--keyboard-offset, 0px) * -1));
    transition: transform .18s ease;
  }

  /* ---- Drawer ---- */
  .mobile-drawer {
    height: 0; overflow: hidden;
    transition: height .28s cubic-bezier(.4,0,.2,1);
    background: var(--panel-strong);
    border-bottom: 1px solid var(--border);
    order: -1; /* drawer appears ABOVE the action bar */
  }
  .mobile-drawer.is-open { height: 195px; }
  .mobile-drawer.is-open.tall { height: 260px; }
  .mobile-drawer.is-open.xl   { height: 380px; }
  .mobile-drawer.is-open.xxl  { height: var(--mobile-text-drawer-height); }

  .drawer-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 14px; border-bottom: 1px solid var(--border); flex-shrink: 0;
  }
  #mobileDrawerTitle { font-size: .78rem; font-weight: 700; text-transform: uppercase; color: var(--accent); letter-spacing: .06em; }

  .close-btn {
    background: transparent; border: none; font-size: 18px;
    color: var(--muted); cursor: pointer;
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
  }
  .close-btn:hover { background: rgba(255,255,255,.05); color: var(--text); }

  .drawer-body {
    padding: 10px 14px;
    overflow-y: auto;
    height: calc(195px - 44px);
  }
  .mobile-drawer.is-open.tall .drawer-body { height: calc(260px - 44px); }
  .mobile-drawer.is-open.xl   .drawer-body { height: calc(380px - 44px); }
  .mobile-drawer.is-open.xxl  .drawer-body { height: calc(var(--mobile-text-drawer-height) - 44px); }
  .m-panel { height: 100%; }

  /* ---- Mobile text panel ---- */
  .m-panel textarea {
    width: 100%; height: 100%; min-height: auto;
    background: var(--panel-strong); border: 1px solid var(--border);
    border-radius: var(--radius-md); padding: 8px 10px;
    color: var(--text); resize: none; font-size: .9rem;
    scroll-margin-bottom: 120px;
  }
  .mobile-text-studio {
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: hidden;
  }
  .mobile-text-studio-top {
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
    overflow: hidden;
  }
  .mobile-text-studio-head {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .mobile-text-studio-head strong {
    font-size: .92rem;
    color: var(--text);
  }
  .mobile-text-studio-head span {
    font-size: .76rem;
    color: var(--muted);
    line-height: 1.4;
  }
  .mobile-text-studio #mTextInput {
    flex: 1;
    min-height: 230px;
    height: auto;
    padding: 16px 16px 22px;
    font-size: 16px;
    line-height: 1.66;
    letter-spacing: .01em;
    border-radius: 18px;
    border-color: rgba(20,184,166,.24);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.03), 0 18px 36px rgba(0,0,0,.16);
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    scroll-padding-bottom: 96px;
  }
  .mobile-text-studio #mTextInput:focus {
    border-color: rgba(45,212,191,.72);
    box-shadow: 0 0 0 3px rgba(45,212,191,.14), 0 20px 40px rgba(0,0,0,.18);
  }
  .mobile-text-studio-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: .74rem;
    color: var(--muted);
    min-height: 18px;
  }
  .mobile-text-studio-bottom {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 10px 0 2px;
    border-top: 1px solid rgba(255,255,255,.06);
    background: linear-gradient(180deg, rgba(16,16,22,0), rgba(16,16,22,.92) 18%, rgba(16,16,22,.98) 100%);
    position: sticky;
    bottom: 0;
  }
  .mobile-text-studio-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
  }
  body.is-mobile-text-editing .text-quick-bar {
    opacity: 0;
    pointer-events: none;
  }

  /* ---- Font list ---- */
  .font-list-scroll {
    display: flex; gap: 8px; overflow-x: auto;
    width: 100%; height: calc(100% - 44px); align-items: center;
    scrollbar-width: none; padding-bottom: 4px;
  }
  .font-list-scroll::-webkit-scrollbar { display: none; }
  .m-font-option {
    padding: 10px 16px;
    background: var(--panel-strong); border: 1px solid var(--border);
    border-radius: var(--radius-md); color: var(--text);
    white-space: nowrap; cursor: pointer; font-size: .83rem; flex-shrink: 0;
  }
  .m-font-option.active { border-color: var(--accent); background: rgba(20,184,166,.1); color: var(--accent); }

  .m-upload-font-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 7px 12px; margin-top: 8px;
    background: var(--panel-strong); border: 1px dashed var(--border);
    border-radius: var(--radius-md); cursor: pointer;
    font-size: .8rem; color: var(--muted);
  }
  .m-upload-font-btn i { font-size: 16px; color: var(--accent); }

  /* ---- Big touch-friendly slider ---- */
  .big-slider-wrap { width: 100%; }
  .big-slider-row { display: flex; align-items: center; gap: 10px; }
  .big-slider-inner { flex: 1; }
  .big-range {
    width: 100%; height: 8px; border-radius: 4px;
    background: var(--border); outline: none; accent-color: var(--accent);
    margin-top: 6px; cursor: pointer;
  }

  .size-step-btn {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--panel-strong); border: 1px solid var(--border);
    color: var(--text); font-size: 18px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
  }
  .size-step-btn:active { background: rgba(20,184,166,.15); border-color: var(--accent); }

  .val-badge {
    display: inline-block; min-width: 36px; text-align: right;
    font-weight: 700; color: var(--accent); font-size: .9rem;
  }

  .slider-header { display: flex; justify-content: space-between; align-items: center; font-size: .78rem; font-weight: 500; color: var(--muted); }

  /* ---- Format toolbar mobile ---- */
  .format-toolbar.mobile {
    display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-start; padding: 4px 0;
  }
  .format-toolbar.mobile .fmt-btn {
    flex-direction: column; gap: 2px; padding: 7px 10px;
    font-size: .68rem; min-width: 50px; min-height: 48px;
  }
  .format-toolbar.mobile .fmt-btn i { font-size: 20px; }

  /* ---- Color panel ---- */
  .color-palette { display: flex; flex-direction: column; gap: 8px; }
  .color-header { display: flex; justify-content: space-between; align-items: center; font-size: .8rem; font-weight: 500; color: var(--muted); }
  .color-presets { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
  .color-presets::-webkit-scrollbar { display: none; }
  .color-preset-btn {
    width: 28px; height: 28px; border-radius: 50%;
    border: 2px solid rgba(255,255,255,.25); cursor: pointer; flex-shrink: 0;
    transition: transform .15s;
  }
  .color-preset-btn:hover { transform: scale(1.15); }

  .color-row { display: flex; justify-content: space-between; align-items: center; font-size: .8rem; color: var(--muted); }

  /* ---- Shadow presets ---- */
  .shadow-presets { display: flex; gap: 6px; width: 100%; }
  .m-btn {
    flex: 1; padding: 8px; background: var(--panel-strong);
    border: 1px solid var(--border); border-radius: var(--radius-md);
    font-size: .75rem; color: var(--text); cursor: pointer;
  }
  .m-btn.active { border-color: var(--accent); background: rgba(20,184,166,.1); color: var(--accent); }

  .m-select-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .m-select-row label { font-size: .73rem; margin-bottom: 3px; }
  .m-select-row select { padding: 6px 8px; font-size: .8rem; }

  .m-panel .layers-list { max-height: 130px; }
  .m-panel .layer-item { padding: 5px 8px; }
  .m-panel .layer-info span { font-size: .75rem; }

  /* ---- Canvas preset chips ---- */
  .m-preset-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px;
  }
  .m-preset-chip {
    display: flex; flex-direction: column; align-items: center;
    padding: 8px 4px; background: var(--panel-strong);
    border: 1px solid var(--border); border-radius: var(--radius-md);
    cursor: pointer; transition: all .18s;
  }
  .m-preset-chip.is-active { border-color: var(--accent); background: rgba(20,184,166,.12); }
  .m-chip-label { font-size: .78rem; font-weight: 700; color: var(--text); }
  .m-chip-hint  { font-size: .6rem; color: var(--muted); }
  .m-preset-chip.is-active .m-chip-label { color: var(--accent); }

  .m-custom-size {
    display: flex; align-items: center; gap: 6px;
  }
  .m-custom-size input { flex: 1; padding: 7px 6px; text-align: center; font-size: .85rem; }
  .m-custom-size span { color: var(--muted); font-weight: 700; }

  /* ---- Add panel ---- */
  .add-options {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
    height: 100%; align-items: stretch; padding: 4px 0;
  }
  .m-add-btn {
    height: 72px;
    background: var(--panel-strong); border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 7px; cursor: pointer; font-size: .82rem; color: var(--text);
  }
  .m-add-btn i { font-size: 24px; color: var(--accent); }
  .m-add-btn:active { border-color: var(--accent); background: rgba(20,184,166,.1); }

  /* ---- Mobile Action Bar ---- */
  .mobile-action-bar {
    height: 60px;
    background: transparent;
    display: flex; align-items: center;
    width: 100%;
    overflow: hidden;
    transition: height .2s ease, opacity .2s ease, transform .2s ease;
  }
  body.is-mobile-text-editing .mobile-action-bar {
    height: 0;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
  }

  .action-group {
    display: flex; align-items: center;
    height: 100%;
    width: 100%;
    overflow-x: auto; overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 0 10px;
    gap: 4px;
  }
  .action-group::-webkit-scrollbar { display: none; }

  /* ---- Action Bar Buttons ---- */
  .action-btn {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 3px;
    min-width: 58px; max-width: 72px; height: 50px;
    background: transparent; border: none; color: var(--muted);
    font-size: .62rem; font-weight: 600; cursor: pointer;
    border-radius: 12px; flex-shrink: 0;
    transition: background .15s, color .15s;
    -webkit-tap-highlight-color: transparent;
    padding: 0 4px;
  }
  .action-btn i { font-size: 22px; line-height: 1; }
  .action-btn:active, .action-btn.active { color: var(--accent); background: rgba(20,184,166,.1); }
  .action-btn.danger { color: #ef4444; }
  .action-btn.danger:active { background: rgba(239,68,68,.12); }
  .action-btn.accent { color: var(--accent); }
  .action-btn.accent:active { background: rgba(20,184,166,.15); }

  /* ---- Floating + button ---- */
  .m-floating-add-btn {
    position: fixed;
    bottom: calc(76px + env(safe-area-inset-bottom, 0px));
    right: 20px;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #000; border: none;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    box-shadow: 0 8px 24px rgba(20,184,166,.45);
    cursor: pointer; z-index: 150; transition: transform .18s, box-shadow .18s;
  }
  .m-floating-add-btn:active { transform: scale(.92); box-shadow: 0 4px 12px rgba(20,184,166,.25); }

}

/* ==================== ALIGNMENT GUIDELINES ==================== */
.guideline-h, .guideline-v {
  position: absolute; pointer-events: none; z-index: 200;
  background: rgba(20,184,166,.75);
}
.guideline-h { height: 1px; left: 0; right: 0; }
.guideline-v { width: 1px; top: 0; bottom: 0; }

.floating-scale-slider {
  position: fixed;
  right: 20px;
  bottom: 132px;
  z-index: 220;
  width: 58px;
  padding: 10px 8px 12px;
  border-radius: 28px;
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(15,23,42,.08);
  box-shadow: 0 18px 42px rgba(15,23,42,.18);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
.scale-drag-handle {
  width: 30px;
  height: 24px;
  border: none;
  background: transparent;
  color: #64748b;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  border-radius: 999px;
}
.scale-drag-handle:active {
  cursor: grabbing;
  background: rgba(15,23,42,.06);
}
.scale-drag-handle i {
  font-size: 18px;
}

/* ==================== PRELOADER ==================== */
.app-preloader {
  position: fixed; top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999; transition: opacity .45s ease, visibility .45s ease;
}
.app-preloader.fade-out { opacity: 0; visibility: hidden; }

.preloader-content { display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.preloader-content h2 { font-size: 1.4rem; font-weight: 700; color: var(--text); }
.preloader-content p  { font-size: .88rem; color: var(--muted); }

.preloader-spinner {
  width: 32px; height: 32px;
  border: 3px solid rgba(255,255,255,.1);
  border-top-color: var(--accent);
  border-radius: 50%; animation: spin .8s linear infinite;
}

/* ==================== PROGRESS OVERLAY ==================== */
.progress-overlay {
  position: fixed; top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  z-index: 1405;
}
.progress-card {
  background: var(--panel-strong); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 28px;
  width: min(320px, 90vw); display: flex; flex-direction: column;
  align-items: center; gap: 18px; box-shadow: var(--shadow); text-align: center;
}
.progress-card .spinner {
  width: 40px; height: 40px;
  border: 4px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .8s linear infinite;
}
#progressMessage { font-size: .92rem; font-weight: 600; color: var(--text); }
.progress-bar-container { width: 100%; height: 8px; background: var(--border); border-radius: 999px; overflow: hidden; }
.progress-bar { width: 0%; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-hover)); transition: width .15s ease-out; border-radius: 999px; }

/* ==================== ANIMATIONS ==================== */
@keyframes spin  { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.06); } }

/* ==================== COLLAGE & MODAL SYSTEM ==================== */
.modal-overlay {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0,0,0,.75); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center; z-index: 1000;
}
.modal-card {
  background: var(--panel-strong); border: 1px solid var(--border);
  border-radius: var(--radius-xl); width: min(520px, 92vw); max-height: 90vh;
  display: flex; flex-direction: column; overflow: hidden; box-shadow: var(--shadow);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1.15rem; font-weight: 700; color: var(--text); margin: 0; }
.modal-body {
  padding: 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 16px;
}
.modal-footer {
  display: flex; justify-content: flex-end; gap: 10px; padding: 16px 20px;
  border-top: 1px solid var(--border); background: rgba(0,0,0,.2);
}
.section-title { font-size: .8rem; font-weight: 700; color: var(--muted); text-transform: uppercase; margin-bottom: 8px; letter-spacing: .05em; }

/* Collage Template Picker */
.collage-templates-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(80px, 1fr)); gap: 10px;
}
.collage-tmpl-card {
  background: var(--panel); border: 2px solid var(--border); border-radius: var(--radius-md);
  padding: 10px 6px; display: flex; flex-direction: column; align-items: center; gap: 8px;
  cursor: pointer; transition: all .2s; color: var(--muted);
}
.collage-tmpl-card:hover { border-color: var(--accent); color: var(--text); }
.collage-tmpl-card.active { border-color: var(--accent); background: rgba(20,184,166,.12); color: var(--accent); }

/* Mobile Floating Scale Slider */
.floating-scale-slider {
  position: absolute;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  z-index: 500;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 15px 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}
.floating-scale-slider .scale-label {
  color: var(--text-light);
  font-size: 1.2rem;
}
.floating-scale-slider input[type=range] {
  -webkit-appearance: slider-vertical;
  appearance: slider-vertical;
  height: 200px;
  width: 8px;
  background: var(--bg);
  border-radius: 10px;
  outline: none;
}
.floating-scale-slider input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  cursor: ns-resize;
}
.tmpl-svg { width: 44px; height: 44px; display: block; }

/* Photo Upload Zone */
.collage-upload-zone {
  border: 2px dashed var(--border); border-radius: var(--radius-lg); padding: 24px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  cursor: pointer; transition: all .2s; background: rgba(255,255,255,.01); text-align: center;
}
.collage-upload-zone:hover { border-color: var(--accent); background: rgba(20,184,166,.03); }
.collage-preview-strip {
  display: flex; gap: 8px; overflow-x: auto; padding: 12px 0 4px;
}
.collage-preview-item {
  position: relative; width: 64px; height: 64px; border-radius: var(--radius-md);
  border: 1px solid var(--border); overflow: hidden; flex-shrink: 0;
}
.collage-preview-item img { width: 100%; height: 100%; object-fit: cover; }
.collage-preview-item .remove-btn {
  position: absolute; top: 2px; right: 2px; width: 18px; height: 18px;
  background: rgba(239,68,68,.9); border: none; border-radius: 50%;
  color: #fff; font-size: 11px; display: flex; align-items: center; justify-content: center;
  cursor: pointer; padding: 0; line-height: 1;
}
.collage-preview-item .remove-btn:hover { background: rgb(239,68,68); }

.inline-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  color: var(--text);
  font-size: 0.84rem;
  cursor: pointer;
}
.inline-check.mobile {
  margin-top: 8px;
  font-size: 0.78rem;
}
.inline-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}
.control-hint {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

.starter-template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}
.starter-template-card {
  text-align: left;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.starter-template-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
}
.starter-template-card span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.modal-card-sm {
  max-width: 420px;
}

.text-quick-bar {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 30;
  display: flex;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.92);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transform: translate(-50%, calc(-100% - 14px));
  max-width: calc(100% - 24px);
  overflow-x: auto;
  scrollbar-width: none;
}
.text-quick-bar::-webkit-scrollbar {
  display: none;
}
.text-quick-bar .mini-action-btn.icon-only {
  width: 34px;
  min-width: 34px;
  padding: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.text-quick-bar .mini-action-btn.icon-only i {
  font-size: 15px;
}
.text-quick-bar .mini-action-btn.danger {
  border-color: rgba(239,68,68,.24);
  color: #fecaca;
  background: rgba(127,29,29,.26);
}
.text-quick-bar .mini-action-btn.danger:hover {
  border-color: rgba(248,113,113,.42);
  color: #ffffff;
  background: rgba(220,38,38,.42);
}

.toast-stack {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1400;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.toast {
  min-width: 240px;
  max-width: 320px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(17, 24, 39, 0.92);
  color: #fff;
  box-shadow: 0 14px 30px rgba(0,0,0,0.28);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease;
}
.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.toast.is-error {
  border-color: rgba(248, 113, 113, 0.35);
  background: rgba(69, 10, 10, 0.92);
}

.quick-action-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.quick-action-grid.mobile {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.mini-action-btn {
  height: 36px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
}
.mini-action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.watermark-preset-row {
  margin-top: 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
}
.apply-btn.alt {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.asset-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}
.asset-import-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-top: 12px;
}
.asset-tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.asset-tab-btn {
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  font-weight: 600;
}
.asset-tab-btn.is-active {
  background: rgba(20,184,166,.14);
  border-color: var(--accent);
  color: var(--accent);
}
.asset-helper,
.asset-search-status {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}
.asset-results-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  max-height: 52vh;
  overflow: auto;
}
.asset-result-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.asset-result-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}
.asset-result-preview {
  aspect-ratio: 1 / 1;
  background:
    linear-gradient(45deg, rgba(255,255,255,0.04) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.04) 75%),
    linear-gradient(45deg, rgba(255,255,255,0.04) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.04) 75%),
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  background-size: 18px 18px, 18px 18px, cover;
  background-position: 0 0, 9px 9px, center;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.asset-result-preview img,
.asset-result-preview svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.asset-result-preview img {
  opacity: 0;
  transition: opacity .2s ease, transform .2s ease;
  transform: scale(1.02);
}
.asset-result-card.is-preview-ready .asset-result-preview img {
  opacity: 1;
  transform: scale(1);
}
.asset-result-preview::after {
  content: attr(data-fallback);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  text-align: center;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--muted);
  background: linear-gradient(180deg, rgba(17,24,39,0.55), rgba(17,24,39,0.12));
}
.asset-result-card.is-preview-ready .asset-result-preview::after {
  display: none;
}
.asset-type-pill {
  position: absolute;
  left: 10px;
  top: 10px;
  z-index: 2;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.84);
  border: 1px solid rgba(255,255,255,0.08);
  font-size: 0.68rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .02em;
}
.asset-result-meta {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.asset-result-title {
  font-size: 0.8rem;
  color: var(--text);
  line-height: 1.35;
  min-height: 2.2em;
}
.asset-result-sub {
  font-size: 0.72rem;
  color: var(--muted);
}
.asset-add-btn {
  height: 34px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: #041314;
  font-weight: 700;
}
.asset-links-row {
  margin-top: 14px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.asset-links-row a {
  color: var(--accent);
  font-size: 0.8rem;
}

.stroke-presets-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.stroke-presets-row.mobile {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.stroke-preset-btn,
.brush-preset-btn {
  min-height: 36px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 8px;
}
.stroke-preset-btn:hover,
.brush-preset-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.crop-step-row {
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}
.crop-step-row.mobile {
  margin-top: 10px;
}

@media (max-width: 900px) {
  .toast-stack {
    left: 12px;
    right: 12px;
    bottom: 92px;
  }
  .toast {
    min-width: 0;
    max-width: none;
  }
  .starter-template-grid {
    grid-template-columns: 1fr;
  }
  .asset-toolbar {
    grid-template-columns: 1fr;
  }
  .asset-import-row {
    grid-template-columns: 1fr;
  }
  .quick-action-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .watermark-preset-row {
    grid-template-columns: 1fr;
  }
  .stroke-presets-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .text-quick-bar {
    left: 12px !important;
    right: 12px;
    top: auto !important;
    bottom: 12px;
    transform: none;
    justify-content: flex-start;
  }
}