:root {
  --navy: #0B1026;
  --bg2: #131A3A;
  --amber: #FFB03A;
  --cyan: #35C4D9;
  --white: #F5F7FF;
  --muted: #8A93B8;
  --border: rgba(255, 255, 255, .09);
  --danger: #F87171;
  --green: #4ADE80;
  --panel-bg: rgba(19, 26, 58, .55);
  --btn-bg: rgba(255, 255, 255, .06);
  --btn-hover-bg: rgba(255, 255, 255, .1);
  --hover-bg: rgba(255, 255, 255, .05);
  --bar-track: rgba(255, 255, 255, .08);
}

[data-theme="light"] {
  --navy: #F2F5FB;
  --bg2: #FFFFFF;
  --amber: #B97A10;
  --cyan: #0E7C8C;
  --white: #131A2A;
  --muted: #5A6478;
  --border: rgba(19, 26, 42, .14);
  --green: #1B7F3B;
  --panel-bg: rgba(255, 255, 255, .88);
  --btn-bg: rgba(19, 26, 42, .05);
  --btn-hover-bg: rgba(19, 26, 42, .09);
  --hover-bg: rgba(19, 26, 42, .06);
  --bar-track: rgba(19, 26, 42, .1);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--navy);
  color: var(--white);
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Header ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.brand h1 { margin: 0; font-size: 26px; letter-spacing: .5px; }

.brand-icon { display: block; }

.tagline { color: var(--muted); font-size: 13px; }

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

.privacy-badge {
  font-size: 12px;
  color: var(--green);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

main { flex: 1; }

/* ---------- Dropzone ---------- */
#dropzone-section { padding: 60px 20px; display: flex; justify-content: center; }

#dropzone {
  width: min(680px, 100%);
  border: 2px dashed var(--border);
  border-radius: 20px;
  background: var(--panel-bg);
  padding: 64px 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color .18s ease;
  outline: none;
}

#dropzone:hover, #dropzone:focus-visible, #dropzone.dragging {
  border-color: var(--amber);
}

.dz-title { font-size: 21px; font-weight: 700; margin-bottom: 8px; }

.dz-hint { color: var(--muted); font-size: 14px; margin-bottom: 14px; }

.dz-free { color: var(--amber); font-size: 13px; font-weight: 600; }

/* ---------- Editor ---------- */
.editor { padding: 12px 20px 24px; }

.editor-topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 0 14px;
}

.topbar-group { display: flex; gap: 8px; }

.img-info { color: var(--muted); font-size: 12px; margin-left: auto; }

.editor-main {
  display: grid;
  grid-template-columns: auto 1fr 300px;
  gap: 14px;
  align-items: start;
}

/* Tools rail */
.tools-rail {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: sticky;
  top: 12px;
}

.tool-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  transition: background .15s ease, color .15s ease;
}

.tool-btn:hover { background: var(--hover-bg); color: var(--white); }

.tool-btn.active {
  background: rgba(255, 176, 58, .12);
  border-color: rgba(255, 176, 58, .35);
  color: var(--amber);
}

/* Canvas */
.canvas-wrap {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  overflow: auto;
}

.canvas-holder {
  position: relative;
  display: inline-block;
  touch-action: none;
  max-width: 100%;
}

#preview { display: block; max-width: 100%; border-radius: 4px; }

.crop-overlay {
  position: absolute;
  border: 2px dashed var(--amber);
  box-shadow: 0 0 0 9999px rgba(2, 6, 23, .65);
  pointer-events: none;
}

/* Panel */
#tool-panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  position: sticky;
  top: 12px;
}

.panel { display: none; }

.panel.active { display: block; }

.panel h2 { margin: 0 0 14px; font-size: 16px; color: var(--cyan); }

.panel label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}

.panel input[type="number"],
.panel select,
.panel textarea {
  width: 100%;
  margin-top: 6px;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--white);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 14px;
  font-family: inherit;
}

.panel textarea { resize: vertical; }

.panel input[type="color"] {
  width: 100%;
  height: 38px;
  margin-top: 6px;
  padding: 4px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

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

.check-row {
  display: flex !important;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.check-row input { width: auto; margin: 0; }

.val { color: var(--white); font-weight: 600; }

.hint { color: var(--muted); font-size: 12.5px; margin: 8px 0; }

.hint.strong { color: var(--white); font-weight: 600; }

/* Buttons */
.btn {
  background: var(--btn-bg);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 13.5px;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
  font-family: inherit;
}

.btn:hover:not(:disabled) { background: var(--btn-hover-bg); border-color: rgba(255, 255, 255, .2); }

.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn-primary {
  background: var(--amber);
  border-color: var(--amber);
  color: #1a1206;
  font-weight: 700;
  width: 100%;
  margin-bottom: 8px;
}

.btn-primary:hover:not(:disabled) { background: #ffc065; border-color: #ffc065; }

.btn-big { padding: 13px 16px; font-size: 15px; }

.btn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.btn-grid .btn { width: 100%; }

/* Presets */
.presets-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}

.presets-grid .btn { width: 100%; text-align: center; line-height: 1.35; }

.presets-grid small { color: var(--muted); font-size: 10.5px; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }

.chip {
  background: var(--btn-bg);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s ease;
}

.chip:hover { border-color: rgba(255, 255, 255, .25); }

.chip.active {
  background: rgba(53, 196, 217, .16);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Sliders */
input[type="range"] { width: 100%; accent-color: var(--amber); margin-top: 6px; }

input[type="checkbox"] { accent-color: var(--amber); }

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 12.5px;
  padding: 18px;
  border-top: 1px solid var(--border);
}

.site-footer a { color: var(--cyan); text-decoration: none; }

.site-footer a:hover { text-decoration: underline; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .35);
  z-index: 1000;
  max-width: min(92vw, 560px);
  text-align: center;
}

/* ---------- IA progress ---------- */
.bg-progress {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, .6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1100;
}

.bg-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 28px;
  width: min(92vw, 420px);
  text-align: center;
  font-size: 14.5px;
}

.bar-track {
  height: 8px;
  background: var(--bar-track);
  border-radius: 999px;
  margin-top: 14px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 2%;
  background: var(--amber);
  border-radius: 999px;
  transition: width .25s ease;
}

/* ---------- Utilities ---------- */
.hidden { display: none !important; }

.tools-rail, .tool-btn, .btn, .chip { user-select: none; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .editor-main { grid-template-columns: 1fr; }

  .tools-rail {
    position: static;
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .tool-btn { flex: 0 0 auto; }

  #tool-panel { position: static; }

  .img-info { margin-left: 0; width: 100%; }
}

@media (max-width: 560px) {
  .site-header { padding: 12px 16px; }

  .privacy-badge { white-space: normal; }

  #dropzone-section { padding: 32px 12px; }

  #dropzone { padding: 40px 18px; }

  .editor { padding: 8px 10px 16px; }

  .presets-grid, .btn-grid, .field-row { grid-template-columns: 1fr 1fr; }
}