/* ═══════════════════════════════════════════════════
   DRAWING REFERENCE PRO — style.css
   WebKaar | Ayush Tiwari | Ultimate Edition
   All styles are scoped to .drp-* to avoid conflicts
   with parent site CSS variables
═══════════════════════════════════════════════════ */

/* ── Font Import Fallback ──────────────────────── */
/* Syne + DM Sans loaded in <head> */

/* ── CSS Custom Properties (Tool-scoped) ─────── */
:root {
  --drp-accent:        #4f8ef7;
  --drp-accent-dark:   #2563eb;
  --drp-accent-glow:   rgba(79, 142, 247, 0.28);
  --drp-accent-soft:   rgba(79, 142, 247, 0.10);

  --drp-success:       #22c55e;
  --drp-danger:        #ef4444;
  --drp-warning:       #f59e0b;

  /* Light mode surfaces */
  --drp-bg:            #f4f6fb;
  --drp-surface:       #ffffff;
  --drp-surface-2:     #f0f2f8;
  --drp-border:        #dde2ee;
  --drp-border-focus:  #4f8ef7;

  --drp-text:          #0f1623;
  --drp-text-2:        #4b5675;
  --drp-text-3:        #8492b0;

  --drp-shadow-sm:     0 2px 8px rgba(15, 22, 35, 0.07);
  --drp-shadow-md:     0 6px 24px rgba(15, 22, 35, 0.10);
  --drp-shadow-lg:     0 16px 48px rgba(15, 22, 35, 0.14);

  --drp-radius-sm:     10px;
  --drp-radius-md:     16px;
  --drp-radius-lg:     22px;
  --drp-radius-xl:     32px;
  --drp-radius-pill:   100px;

  --drp-font-display: 'Inter', sans-serif;
  --drp-font-body:    'Inter', sans-serif;

  --drp-header-h:      60px;
  --drp-bar-h:         80px;
}

/* Dark mode overrides */
.dark-mode {
  --drp-bg:            #0c0e18;
  --drp-surface:       #141826;
  --drp-surface-2:     #1c2236;
  --drp-border:        #252d45;
  --drp-border-focus:  #4f8ef7;

  --drp-text:          #eef1f9;
  --drp-text-2:        #8e9ab8;
  --drp-text-3:        #5a6480;

  --drp-shadow-sm:     0 2px 8px rgba(0, 0, 0, 0.3);
  --drp-shadow-md:     0 6px 24px rgba(0, 0, 0, 0.4);
  --drp-shadow-lg:     0 16px 48px rgba(0, 0, 0, 0.5);
}

/* ════════════════════════════════════════════════
   BASE / RESET
════════════════════════════════════════════════ */
.drawing-app-body {
  background-color: var(--drp-bg);
  font-family: var(--drp-font-body);
  color: var(--drp-text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ════════════════════════════════════════════════
   HEADER
════════════════════════════════════════════════ */
.drp-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--drp-surface);
  border-bottom: 1px solid var(--drp-border);
  box-shadow: var(--drp-shadow-sm);
  height: var(--drp-header-h);
}

.drp-header-inner {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 16px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
}

.drp-header-title {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.drp-header-badge {
  width: 32px;
  height: 32px;
  background: var(--drp-accent-soft);
  border-radius: var(--drp-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--drp-accent);
  font-size: 17px;
  flex-shrink: 0;
}

.drp-header-title h1 {
  font-family: var(--drp-font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--drp-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0;
}

/* Icon button (header, modal close) */
.drp-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--drp-radius-sm);
  border: 1px solid var(--drp-border);
  background: var(--drp-surface-2);
  color: var(--drp-text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
  flex-shrink: 0;
  font-size: 18px;
}
.drp-icon-btn:hover {
  background: var(--drp-accent-soft);
  color: var(--drp-accent);
  border-color: var(--drp-accent);
}
.drp-icon-btn:active { transform: scale(0.93); }

/* ════════════════════════════════════════════════
   LAYOUT
════════════════════════════════════════════════ */
.drp-main {
  padding-bottom: calc(var(--drp-bar-h) + 24px);
}

.drp-container {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ════════════════════════════════════════════════
   UPLOAD ZONE
════════════════════════════════════════════════ */
.drp-upload-zone {
  position: relative;
  border: 2px dashed var(--drp-border);
  border-radius: var(--drp-radius-lg);
  background: var(--drp-surface);
  padding: 52px 24px 44px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s;
  overflow: hidden;
  outline: none;
}
.drp-upload-zone:hover,
.drp-upload-zone:focus,
.drp-upload-zone.dragover {
  border-color: var(--drp-accent);
  background: var(--drp-accent-soft);
}
.drp-upload-zone:focus-visible {
  box-shadow: 0 0 0 3px var(--drp-accent-glow);
}

/* Animated glow blob */
.drp-upload-glow {
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 280px;
  height: 180px;
  background: radial-gradient(ellipse, var(--drp-accent-glow) 0%, transparent 70%);
  pointer-events: none;
  animation: drpGlowPulse 3s ease-in-out infinite;
}
@keyframes drpGlowPulse {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  50%       { opacity: 1;   transform: translateX(-50%) scale(1.12); }
}

.drp-upload-content { position: relative; z-index: 1; }

.drp-upload-icon {
  width: 68px;
  height: 68px;
  background: var(--drp-accent-soft);
  border-radius: var(--drp-radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  color: var(--drp-accent);
  margin-bottom: 18px;
  border: 1px solid rgba(79, 142, 247, 0.2);
}

.drp-upload-title {
  font-family: var(--drp-font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--drp-text);
  margin: 0 0 8px;
}

.drp-upload-sub {
  font-size: 0.88rem;
  color: var(--drp-text-3);
  font-weight: 500;
  margin: 0 0 24px;
}

.drp-upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--drp-accent);
  color: #fff;
  font-family: var(--drp-font-body);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: var(--drp-radius-pill);
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 20px var(--drp-accent-glow);
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s;
  margin-bottom: 16px;
}
.drp-upload-btn:hover {
  background: var(--drp-accent-dark);
  box-shadow: 0 8px 28px var(--drp-accent-glow);
  transform: translateY(-1px);
}
.drp-upload-btn:active { transform: scale(0.96); }

.drp-upload-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 0.78rem;
  color: var(--drp-text-3);
  font-weight: 500;
  margin: 0;
}

/* ════════════════════════════════════════════════
   WORKSPACE
════════════════════════════════════════════════ */
.drp-workspace {
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: drpFadeUp 0.3s ease;
}
@keyframes drpFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Canvas Wrapper ──────────────────────────── */
.drp-canvas-wrap {
  position: relative;
  width: 100%;
  border-radius: var(--drp-radius-lg);
  overflow: hidden;
  background: #0d0f1a;
  border: 1px solid var(--drp-border);
  box-shadow: var(--drp-shadow-md);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#main-canvas {
  display: block;
  width: 100%;
  height: auto;
  max-height: 65vh;
  object-fit: contain;
}

#overlay-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Mode badge */
.drp-mode-badge {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.74rem;
  font-weight: 700;
  font-family: var(--drp-font-display);
  padding: 5px 12px;
  border-radius: var(--drp-radius-pill);
  display: flex;
  align-items: center;
  gap: 5px;
  pointer-events: none;
  z-index: 5;
  letter-spacing: 0.3px;
}

/* Loading overlay */
.drp-loading {
  position: absolute;
  inset: 0;
  background: rgba(13, 15, 26, 0.78);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  z-index: 20;
  border-radius: var(--drp-radius-lg);
}
.drp-loading-text {
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.drp-spinner {
  width: 38px;
  height: 38px;
  border: 3px solid rgba(79, 142, 247, 0.25);
  border-top-color: var(--drp-accent);
  border-radius: 50%;
  animation: drpSpin 0.65s linear infinite;
}
@keyframes drpSpin { to { transform: rotate(360deg); } }

/* ── Image Action Row ──────────────────────── */
.drp-img-actions {
  display: flex;
  gap: 10px;
}

.drp-img-action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px 16px;
  border-radius: var(--drp-radius-md);
  border: 1.5px solid var(--drp-border);
  background: var(--drp-surface);
  color: var(--drp-text-2);
  font-family: var(--drp-font-body);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s;
}
.drp-img-action-btn i { font-size: 16px; }
.drp-img-action-btn:hover {
  border-color: var(--drp-danger);
  color: var(--drp-danger);
  background: rgba(239, 68, 68, 0.06);
}
.drp-img-action-btn:active { transform: scale(0.96); }

.drp-img-action-btn.accent:hover {
  border-color: var(--drp-success);
  color: var(--drp-success);
  background: rgba(34, 197, 94, 0.06);
}

/* ════════════════════════════════════════════════
   TAB BAR
════════════════════════════════════════════════ */
.drp-tab-bar {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 2px 2px 6px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
}
.drp-tab-bar::-webkit-scrollbar { display: none; }

.drp-tab {
  flex-shrink: 0;
  scroll-snap-align: start;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 15px;
  border-radius: var(--drp-radius-pill);
  border: 1.5px solid var(--drp-border);
  background: var(--drp-surface);
  color: var(--drp-text-2);
  font-family: var(--drp-font-body);
  font-size: 0.83rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.drp-tab i { font-size: 15px; }
.drp-tab:active { transform: scale(0.94); }

.drp-tab.active {
  background: var(--drp-accent);
  border-color: var(--drp-accent);
  color: #ffffff;
  box-shadow: 0 4px 16px var(--drp-accent-glow);
}
.drp-tab:not(.active):hover {
  border-color: var(--drp-accent);
  color: var(--drp-accent);
  background: var(--drp-accent-soft);
}

/* ════════════════════════════════════════════════
   PANELS
════════════════════════════════════════════════ */
.drp-panel {
  background: var(--drp-surface);
  border: 1px solid var(--drp-border);
  border-radius: var(--drp-radius-lg);
  padding: 20px;
  box-shadow: var(--drp-shadow-sm);
  animation: drpPanelIn 0.22s ease;
}
@keyframes drpPanelIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.drp-panel-header {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--drp-font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--drp-text);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--drp-border);
}
.drp-panel-header i {
  font-size: 20px;
  color: var(--drp-accent);
  background: var(--drp-accent-soft);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--drp-radius-sm);
  flex-shrink: 0;
}

.drp-panel-desc {
  font-size: 0.88rem;
  color: var(--drp-text-3);
  font-weight: 500;
  margin: -4px 0 16px;
  line-height: 1.55;
}

/* ── Controls Layout ─────────────────────────── */
.drp-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 18px;
}

.drp-control-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 400px) {
  .drp-control-row { grid-template-columns: 1fr; }
}

.drp-control {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

/* ── Labels ──────────────────────────────────── */
.drp-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.drp-label-row label,
.drp-select-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--drp-text-2);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  display: block;
}
.drp-val {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--drp-accent);
  font-family: var(--drp-font-display);
  min-width: 28px;
  text-align: right;
}

/* ── Slider ──────────────────────────────────── */
.drp-slider-wrap {
  padding: 4px 0;
}

.drp-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 100px;
  background: var(--drp-surface-2);
  outline: none;
  cursor: pointer;
  position: relative;
  /* Filled track color via JS or gradient trick */
  background-image: linear-gradient(var(--drp-accent), var(--drp-accent));
  background-size: 50% 100%;
  background-repeat: no-repeat;
  border: 1px solid var(--drp-border);
  transition: border-color 0.2s;
}
.drp-slider:focus-visible { border-color: var(--drp-accent); }

/* Thumb — WebKit */
.drp-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--drp-accent);
  cursor: pointer;
  border: 3px solid var(--drp-surface);
  box-shadow: 0 2px 10px var(--drp-accent-glow), 0 0 0 1px var(--drp-accent);
  transition: transform 0.15s, box-shadow 0.15s;
}
.drp-slider::-webkit-slider-thumb:hover {
  transform: scale(1.18);
  box-shadow: 0 4px 16px var(--drp-accent-glow), 0 0 0 2px var(--drp-accent);
}
.drp-slider:active::-webkit-slider-thumb { transform: scale(1.3); }

/* Thumb — Firefox */
.drp-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--drp-accent);
  cursor: pointer;
  border: 3px solid var(--drp-surface);
  box-shadow: 0 2px 10px var(--drp-accent-glow);
}
.drp-slider::-moz-range-track {
  background: var(--drp-surface-2);
  height: 5px;
  border-radius: 100px;
}

/* ── Select ──────────────────────────────────── */
.drp-select-wrap {
  position: relative;
}

.drp-select {
  width: 100%;
  padding: 10px 36px 10px 12px;
  border-radius: var(--drp-radius-md);
  border: 1.5px solid var(--drp-border);
  background: var(--drp-surface-2);
  color: var(--drp-text);
  font-family: var(--drp-font-body);
  font-size: 0.88rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.drp-select:focus {
  border-color: var(--drp-accent);
  box-shadow: 0 0 0 3px var(--drp-accent-glow);
}
.drp-select option {
  background: var(--drp-surface);
  color: var(--drp-text);
}

.drp-select-arrow {
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--drp-text-3);
  font-size: 13px;
  pointer-events: none;
}

/* ── Apply Button ────────────────────────────── */
.drp-apply-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--drp-accent) 0%, var(--drp-accent-dark) 100%);
  color: #fff;
  font-family: var(--drp-font-display);
  font-size: 0.97rem;
  font-weight: 700;
  border: none;
  border-radius: var(--drp-radius-md);
  cursor: pointer;
  box-shadow: 0 6px 22px var(--drp-accent-glow);
  transition: transform 0.18s, box-shadow 0.18s, opacity 0.18s;
  letter-spacing: 0.2px;
}
.drp-apply-btn i { font-size: 18px; }
.drp-apply-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 30px var(--drp-accent-glow);
}
.drp-apply-btn:active {
  transform: scale(0.97);
  box-shadow: 0 3px 12px var(--drp-accent-glow);
}
.drp-apply-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ── Outline Button (secondary) ─────────────── */
.drp-outline-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--drp-radius-pill);
  border: 1.5px solid var(--drp-border);
  background: var(--drp-surface-2);
  color: var(--drp-text);
  font-family: var(--drp-font-body);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s;
}
.drp-outline-btn:hover {
  border-color: var(--drp-accent);
  color: var(--drp-accent);
  background: var(--drp-accent-soft);
}
.drp-outline-btn:active { transform: scale(0.96); }

/* ── Onion Upload Row ────────────────────────── */
.drp-onion-upload {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.drp-file-name {
  font-size: 0.83rem;
  color: var(--drp-text-3);
  font-weight: 500;
  font-style: italic;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ════════════════════════════════════════════════
   PALETTE RESULT
════════════════════════════════════════════════ */
.drp-palette-result {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--drp-border);
  animation: drpFadeUp 0.25s ease;
}

.drp-palette-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.drp-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: transform 0.15s;
}
.drp-swatch:hover { transform: translateY(-3px); }
.drp-swatch:active { transform: scale(0.9); }

.drp-swatch-box {
  width: 46px;
  height: 46px;
  border-radius: var(--drp-radius-sm);
  border: 2px solid rgba(255,255,255,0.15);
  box-shadow: var(--drp-shadow-sm);
  transition: box-shadow 0.2s, transform 0.15s;
}
.drp-swatch:hover .drp-swatch-box {
  box-shadow: 0 6px 18px rgba(0,0,0,0.22);
}

.drp-swatch-hex {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--drp-text-3);
  font-family: 'DM Mono', 'Courier New', monospace;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.drp-palette-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--drp-text-3);
  font-weight: 500;
}

/* ════════════════════════════════════════════════
   BOTTOM DOWNLOAD BAR
════════════════════════════════════════════════ */
.drp-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 300;
  background: var(--drp-surface);
  border-top: 1px solid var(--drp-border);
  padding: 14px 20px;
  padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -8px 30px rgba(0,0,0,0.1);
  display: flex;
  justify-content: center;
  animation: drpSlideUp 0.3s ease;
}
@keyframes drpSlideUp {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.drp-download-btn {
  width: 100%;
  max-width: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  background: linear-gradient(135deg, var(--drp-accent) 0%, var(--drp-accent-dark) 100%);
  color: #fff;
  font-family: var(--drp-font-display);
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
  border-radius: var(--drp-radius-pill);
  cursor: pointer;
  box-shadow: 0 8px 28px var(--drp-accent-glow);
  transition: transform 0.2s, box-shadow 0.2s;
  letter-spacing: 0.2px;
}
.drp-download-btn i { font-size: 20px; }
.drp-download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px var(--drp-accent-glow);
}
.drp-download-btn:active {
  transform: scale(0.97);
  box-shadow: 0 4px 16px var(--drp-accent-glow);
}

/* ════════════════════════════════════════════════
   TOAST
════════════════════════════════════════════════ */
.drp-toast {
  position: fixed;
  top: calc(var(--drp-header-h) + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: #1a1f2e;
  color: #fff;
  padding: 11px 22px;
  border-radius: var(--drp-radius-pill);
  font-size: 0.88rem;
  font-weight: 700;
  font-family: var(--drp-font-body);
  box-shadow: 0 8px 28px rgba(0,0,0,0.35);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
  z-index: 9999;
  white-space: nowrap;
  max-width: calc(100vw - 32px);
  overflow: hidden;
  text-overflow: ellipsis;
  border-left: 4px solid var(--drp-success);
}
.drp-toast.drp-toast--error {
  border-left-color: var(--drp-danger);
}
.drp-toast.drp-toast--visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ════════════════════════════════════════════════
   INFO MODAL
════════════════════════════════════════════════ */
.drp-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 500;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0 0 env(safe-area-inset-bottom, 0px);
  transition: opacity 0.25s;
}
/* Sheet slides up from bottom on mobile */
.drp-modal-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.drp-modal {
  background: var(--drp-surface);
  width: 100%;
  max-width: 540px;
  max-height: 85vh;
  border-radius: var(--drp-radius-xl) var(--drp-radius-xl) 0 0;
  overflow-y: auto;
  padding: 8px 0 0;
  box-shadow: 0 -20px 60px rgba(0,0,0,0.3);
  animation: drpSheetUp 0.3s cubic-bezier(0.34, 1.16, 0.64, 1);
}
@keyframes drpSheetUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

/* Drag handle */
.drp-modal::before {
  content: '';
  display: block;
  width: 40px;
  height: 4px;
  background: var(--drp-border);
  border-radius: 100px;
  margin: 8px auto 0;
}

.drp-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--drp-border);
}
.drp-modal-header h3 {
  font-family: var(--drp-font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--drp-text);
  margin: 0;
}

.drp-modal-body {
  padding: 16px 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.drp-modal-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--drp-border);
}
.drp-modal-item:last-of-type { border-bottom: none; }

.drp-modal-icon {
  width: 34px;
  height: 34px;
  background: var(--drp-accent-soft);
  border-radius: var(--drp-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--drp-accent);
  font-size: 17px;
  flex-shrink: 0;
}

.drp-modal-item strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--drp-text);
  margin-bottom: 3px;
  font-family: var(--drp-font-display);
}
.drp-modal-item p {
  font-size: 0.83rem;
  color: var(--drp-text-3);
  line-height: 1.5;
  margin: 0;
  font-weight: 500;
}

.drp-modal-privacy {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  color: var(--drp-text-3);
  font-weight: 600;
  background: var(--drp-surface-2);
  border-radius: var(--drp-radius-md);
  padding: 10px 14px;
  margin-top: 8px;
}

/* ════════════════════════════════════════════════
   SEO ARTICLE
════════════════════════════════════════════════ */
.drp-seo-article {
  max-width: 700px;
  margin: 24px auto 0;
  padding: 0 16px 40px;
}

.drp-divider {
  border: none;
  border-top: 1px solid var(--drp-border);
  margin-bottom: 28px;
}

.drp-seo-article h2 {
  font-family: var(--drp-font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--drp-text);
  margin: 0 0 10px;
}
.drp-seo-article h3 {
  font-family: var(--drp-font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--drp-text);
  margin: 20px 0 6px;
}
.drp-seo-article p {
  font-size: 0.9rem;
  color: var(--drp-text-2);
  line-height: 1.65;
  margin: 0;
}

/* ════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════ */
.drp-footer {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px 16px calc(var(--drp-bar-h) + 32px);
  text-align: center;
  border-top: 1px solid var(--drp-border);
}
.drp-footer p {
  font-size: 0.82rem;
  color: var(--drp-text-3);
  font-weight: 500;
  margin: 0 0 8px;
}
.drp-footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--drp-text-3);
}
.drp-footer-links a {
  color: var(--drp-accent);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.18s;
}
.drp-footer-links a:hover { opacity: 0.75; }

/* ════════════════════════════════════════════════
   UTILITY
════════════════════════════════════════════════ */
.hidden { display: none !important; }

/* Smooth scrollbar for modal */
.drp-modal {
  scrollbar-width: thin;
  scrollbar-color: var(--drp-border) transparent;
}
.drp-modal::-webkit-scrollbar { width: 4px; }
.drp-modal::-webkit-scrollbar-track { background: transparent; }
.drp-modal::-webkit-scrollbar-thumb {
  background: var(--drp-border);
  border-radius: 100px;
}

/* Focus visible ring for accessibility */
*:focus-visible {
  outline: 2px solid var(--drp-accent);
  outline-offset: 2px;
}

/* ════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════ */
@media (max-width: 380px) {
  .drp-tab { padding: 8px 12px; font-size: 0.78rem; }
  .drp-tab i { font-size: 13px; }
  .drp-panel { padding: 16px; }
  .drp-upload-title { font-size: 1.1rem; }
  .drp-download-btn { font-size: 0.95rem; }
  .drp-apply-btn { font-size: 0.9rem; padding: 13px 16px; }
}

@media (min-width: 600px) {
  .drp-modal {
    border-radius: var(--drp-radius-xl);
    margin: auto;
    max-height: 80vh;
  }
  .drp-modal-overlay {
    align-items: center;
  }
  .drp-modal::before { display: none; }
}

/* ════════════════════════════════════════════════
   DARK MODE REFINEMENTS
════════════════════════════════════════════════ */
.dark-mode .drp-canvas-wrap {
  background: #060810;
}
.dark-mode .drp-upload-zone {
  background: var(--drp-surface);
}
.dark-mode .drp-select {
  background: var(--drp-surface);
}
.dark-mode .drp-slider {
  background-color: var(--drp-surface-2);
  border-color: var(--drp-border);
}
.dark-mode .drp-toast {
  background: #0d1120;
  box-shadow: 0 8px 28px rgba(0,0,0,0.6);
}