@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Lato:wght@300;400;700;900&display=swap');

:root {
  --color-primary: #007bff;
  --color-primary-hover: #0069d9;
  --color-secondary: #343a40;
  --color-secondary-hover: #23272b;
  --color-tertiary: #ffffff;
  --color-neutral: #f8f9fa;
  --color-neutral-dark: #e9ecef;
  --color-surface: #ffffff;
  --color-border: #dee2e6;
  --color-border-subtle: #e9ecef;
  --color-text-main: #212529;
  --color-text-muted: #6c757d;
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-danger: #dc3545;
  --color-info: #17a2b8;

  --font-sans: 'Lato', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-neutral);
  color: var(--color-text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Header / Navigation ---------- */
header {
  background: var(--color-secondary);
  color: var(--color-tertiary);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  display: block;
}

.logo-badge {
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.logo {
  font-size: 20px;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.tagline {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 400;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  padding-left: 12px;
  margin-left: 4px;
}

@media (max-width: 640px) {
  .tagline { display: none; }
}

header .sp {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Language Selector */
.lang-selector-wrap {
  position: relative;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.9);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
}

.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 170px;
  z-index: 200;
  padding: 4px;
}

.lang-dropdown.show {
  display: block;
}

.lang-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-main);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.12s ease;
}

.lang-item:hover {
  background: var(--color-neutral);
  color: var(--color-primary);
}

.lang-item.on {
  background: #e7f1ff;
  color: var(--color-primary);
  font-weight: 700;
}

.nav-link-ext {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.15s ease;
  user-select: none;
}

.nav-link-ext:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.3);
}

.footer-corporate {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 24px 0;
  margin-top: 64px;
  border-radius: var(--radius-sm);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 0 12px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--color-secondary);
}

.footer-links {
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.footer-link:hover {
  text-decoration: underline;
}

.footer-sep {
  color: var(--color-border);
}

/* ---------- Buttons (Corporate Flat) ---------- */
.btn, button.btn {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
  user-select: none;
  text-decoration: none;
  line-height: 1.2;
}

.btn:active {
  transform: translateY(1px);
}

.btn.primary, button.primary {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}
.btn.primary:hover, button.primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn.secondary {
  background: var(--color-secondary);
  color: #ffffff;
}
.btn.secondary:hover {
  background: var(--color-secondary-hover);
}

.btn.outline, button:not(.primary):not(.btn-ai):not(.engine-btn):not(.tab) {
  background: var(--color-surface);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}
.btn.outline:hover, button:not(.primary):not(.btn-ai):not(.engine-btn):not(.tab):hover {
  background: var(--color-neutral);
  border-color: #ced4da;
}

.btn.ghost {
  background: transparent;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}
.btn.ghost:hover {
  background: var(--color-neutral);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn:disabled, button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Landing Page (Home View) ---------- */
.home {
  max-width: 1240px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  width: 100%;
}

.home.hide { display: none; }

/* Split-Screen Hero */
.hero-split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 72px;
}

@media (max-width: 900px) {
  .hero-split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.corporate-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background: #e7f1ff;
  border: 1px solid #b8daff;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--color-secondary);
  letter-spacing: -0.5px;
  margin-bottom: 18px;
}

.hero-content p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 580px;
  margin-bottom: 28px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-actions .btn {
  padding: 12px 24px;
  font-size: 15px;
}

/* Hero Quick Upload Card */
.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  text-align: center;
}

.hero-card .drop-box {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: 40px 24px;
  background: var(--color-neutral);
  cursor: pointer;
  transition: all 0.2s ease;
}

.hero-card .drop-box:hover {
  border-color: var(--color-primary);
  background: #f0f7ff;
}

.drop-icon-svg {
  width: 44px;
  height: 44px;
  stroke: var(--color-primary);
  margin-bottom: 12px;
}

.hero-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 6px;
}

.hero-card p {
  font-size: 13px;
  color: var(--color-text-muted);
}

.hero-card-meta {
  display: flex;
  justify-content: space-around;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-subtle);
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

/* Feature Rows (Asymmetric & Structured) */
.section-heading {
  margin-bottom: 32px;
  text-align: center;
}

.section-heading h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-secondary);
}

.section-heading p {
  font-size: 15px;
  color: var(--color-text-muted);
}

.features-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 860px) {
  .features-list {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.feature-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-neutral);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--color-primary);
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
  flex: 1;
}

.feature-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-neutral);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* ---------- Editor View ---------- */
.app {
  display: grid;
  grid-template-columns: 1fr 360px;
  height: calc(100vh - 64px);
  background: #eaedf0;
  width: 100%;
}

@media (max-width: 960px) {
  .app {
    grid-template-columns: 1fr;
    height: auto;
  }
}

/* Stage */
.stage {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: hidden;
  position: relative;
  width: 100%;
  height: 100%;
  background: #eaedf0;
  user-select: none;
}

.stage.grab { cursor: grab; }
.stage.grabbing { cursor: grabbing; }

#dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: 60px 40px;
  text-align: center;
  color: var(--color-text-muted);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  max-width: 480px;
  width: 100%;
  z-index: 10;
}

#dropzone:hover, #dropzone.hot {
  border-color: var(--color-primary);
  background: #f0f7ff;
}

.dz-icon-svg {
  width: 52px;
  height: 52px;
  stroke: var(--color-primary);
  margin-bottom: 14px;
}

#dropzone h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 6px;
}

#dropzone p {
  font-size: 13px;
  color: var(--color-text-muted);
}

.canvas-wrap {
  display: none;
  position: relative;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0, 0, 0, 0.15);
  background-color: #ffffff;
  background-image:
    linear-gradient(45deg, #e9ecef 25%, transparent 25%),
    linear-gradient(-45deg, #e9ecef 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e9ecef 75%),
    linear-gradient(-45deg, transparent 75%, #e9ecef 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  transform-origin: center center;
  will-change: transform;
}

#view {
  display: block;
  max-width: none;
  max-height: none;
}

#view.wand { cursor: crosshair !important; }

/* Floating Zoom Toolbar */
.zoom-toolbar {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 40;
  display: none;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 4px;
  gap: 3px;
}

.zoom-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--color-text-main);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.12s ease;
  font-family: var(--font-sans);
}

.zoom-btn:hover {
  background: var(--color-neutral);
  border-color: var(--color-border);
  color: var(--color-primary);
}

.zoom-btn.text-btn {
  width: auto;
  padding: 0 7px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.zoom-level {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-main);
  padding: 0 5px;
  min-width: 44px;
  text-align: center;
  cursor: pointer;
  user-select: none;
}

.zoom-level:hover {
  color: var(--color-primary);
}

.zoom-sep {
  width: 1px;
  height: 16px;
  background: var(--color-border);
  margin: 0 2px;
}

/* Control Panel */
.panel {
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

/* Tabs */
.tabs {
  display: flex;
  background: var(--color-neutral);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.tab {
  flex: 1;
  padding: 14px 8px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s ease;
  user-select: none;
}

.tab:hover {
  color: var(--color-text-main);
  background: #edf0f2;
}

.tab.on {
  color: var(--color-primary);
  background: var(--color-surface);
  border-bottom-color: var(--color-primary);
  font-weight: 700;
}

.pane {
  display: none;
  padding: 20px;
}

.pane.on { display: block; }

/* Section Labels */
.section-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.divider {
  height: 1px;
  background: var(--color-border);
  margin: 18px 0;
}

/* Engine Toggle (Segmented Flat Switch) */
.engine-select-wrap {
  margin-bottom: 16px;
}

.engine-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: var(--color-neutral);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.engine-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid transparent;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
  user-select: none;
}

.engine-btn .engine-icon {
  font-size: 16px;
  display: flex;
  align-items: center;
  color: var(--color-text-muted);
}

.engine-btn .engine-info {
  display: flex;
  flex-direction: column;
}

.engine-btn .engine-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.2;
}

.engine-btn .engine-tag {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  line-height: 1.2;
}

.engine-btn:hover {
  background: rgba(0, 0, 0, 0.04);
}

.engine-btn.on {
  background: var(--color-surface);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.engine-btn.on .engine-icon {
  color: var(--color-primary);
}

.engine-btn.on .engine-name {
  color: var(--color-primary);
}

/* Primary AI Action Button */
.btn-ai {
  width: 100%;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.btn-ai:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

/* Progress Box */
.progress-wrap {
  display: none;
  background: var(--color-neutral);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-top: 12px;
  border: 1px solid var(--color-border);
}

.progress-status {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: 6px;
}

.progress-bar-bg {
  width: 100%;
  height: 6px;
  background: #dee2e6;
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--color-primary);
  transition: width 0.2s ease;
}

/* Controls / Sliders */
.ctrl {
  margin-bottom: 16px;
}

.ctrl label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.ctrl label span:last-child {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  background: var(--color-neutral);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

input[type="range"] {
  width: 100%;
  height: 4px;
  background: #dee2e6;
  border-radius: 2px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: transform 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Background Color Options */
.bg-options-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.bg-opt {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.15s ease;
  position: relative;
  background-size: cover;
  user-select: none;
  background-color: var(--color-surface);
}

.bg-opt:hover {
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.bg-opt.on {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.bg-opt-transparent {
  background-image:
    linear-gradient(45deg, #dee2e6 25%, transparent 25%),
    linear-gradient(-45deg, #dee2e6 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #dee2e6 75%),
    linear-gradient(-45deg, transparent 75%, #dee2e6 75%);
  background-size: 8px 8px;
}

/* Advanced Accordion */
.advanced-tools {
  background: var(--color-neutral);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  margin-top: 12px;
}

.advanced-tools summary {
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.advanced-content {
  margin-top: 12px;
}

.hint {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

/* Swatch */
.swatch {
  width: 100%;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  margin-bottom: 10px;
  display: flex;
  overflow: hidden;
  background: #ffffff;
}

.swatch-color {
  flex: 1;
  height: 100%;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-main);
  margin-bottom: 12px;
  cursor: pointer;
}

/* Filter Presets Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 12px;
}

.preset {
  padding: 14px 12px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-main);
  cursor: pointer;
  transition: all 0.18s ease;
  text-align: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.preset:hover {
  border-color: var(--color-primary);
  background: #f0f7ff;
  color: var(--color-primary);
  transform: translateY(-1px);
}

.preset.on {
  background: var(--color-primary) !important;
  color: #ffffff !important;
  border-color: var(--color-primary) !important;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.35);
}

.preset.on::after {
  content: " ✓";
  margin-left: 6px;
  font-weight: 800;
  font-size: 12px;
}

/* Full Width button utility */
.btn-block {
  width: 100%;
}

.btn-group-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn-sm {
  padding: 6px 10px;
  font-size: 12px;
  flex: 1;
}

/* ---------- Before / After Split Slider ---------- */
.compare-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  left: 50%;
  z-index: 25;
  pointer-events: none;
}

.compare-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: #ffffff;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.4);
}

.compare-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  cursor: ew-resize;
  pointer-events: auto;
  user-select: none;
}

.compare-handle:hover {
  background: var(--color-primary);
  color: #ffffff;
  transform: translate(-50%, -50%) scale(1.1);
}

.tool-toggle-btn {
  width: auto;
  padding: 0 8px;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
}

.tool-toggle-btn.on {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

/* ---------- Brush Tool Floating Cursor ---------- */
.brush-cursor {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(0, 123, 255, 0.85);
  background: rgba(0, 123, 255, 0.15);
  pointer-events: none;
  z-index: 30;
  transform: translate(-50%, -50%);
}

.brush-cursor.restore {
  border-color: rgba(40, 167, 69, 0.85);
  background: rgba(40, 167, 69, 0.15);
}

/* ---------- Effects Panel (Shadow & Outline) ---------- */
.effect-box {
  background: var(--color-neutral);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 12px;
}

.effect-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.effect-title-wrap h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 2px;
}

.effect-title-wrap p {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.effect-controls {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--color-border);
}

.ctrl-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-main);
}

.color-picker-input {
  width: 40px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: transparent;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 22px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-switch .slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #ced4da;
  transition: .2s;
  border-radius: 22px;
}

.toggle-switch .slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .2s;
  border-radius: 50%;
}

.toggle-switch input:checked + .slider {
  background-color: var(--color-primary);
}

.toggle-switch input:checked + .slider:before {
  transform: translateX(16px);
}

/* ---------- Aspect Ratio Grid (Crop) ---------- */
.ratio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 8px;
}

.ratio-btn {
  padding: 12px 8px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  transition: all 0.15s ease;
  user-select: none;
}

.ratio-btn span {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-main);
}

.ratio-btn small {
  font-size: 11px;
  color: var(--color-text-muted);
}

.ratio-btn:hover {
  border-color: var(--color-primary);
  background: #f0f7ff;
}

.ratio-btn.on {
  background: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  box-shadow: 0 4px 10px rgba(0, 123, 255, 0.35);
}

.ratio-btn.on span, .ratio-btn.on small {
  color: #ffffff !important;
}

/* ---------- Interactive Crop Overlay on Canvas ---------- */
.crop-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 20;
}

.crop-dim {
  position: absolute;
  background: rgba(0, 0, 0, 0.55);
  pointer-events: auto;
}

.crop-box {
  position: absolute;
  border: 2px solid #007bff;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.8), 0 4px 20px rgba(0, 0, 0, 0.3);
  cursor: move;
  pointer-events: auto;
  touch-action: none;
}

.crop-grid-line {
  position: absolute;
  background: rgba(255, 255, 255, 0.35);
  pointer-events: none;
}

.crop-grid-h1 { top: 33.333%; left: 0; right: 0; height: 1px; }
.crop-grid-h2 { top: 66.666%; left: 0; right: 0; height: 1px; }
.crop-grid-v1 { left: 33.333%; top: 0; bottom: 0; width: 1px; }
.crop-grid-v2 { left: 66.666%; top: 0; bottom: 0; width: 1px; }

.crop-handle {
  position: absolute;
  width: 12px;
  height: 12px;
  background: #ffffff;
  border: 2px solid #007bff;
  border-radius: 2px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
  pointer-events: auto;
}

.handle-nw { top: -6px; left: -6px; cursor: nwse-resize; }
.handle-ne { top: -6px; right: -6px; cursor: nesw-resize; }
.handle-sw { bottom: -6px; left: -6px; cursor: nesw-resize; }
.handle-se { bottom: -6px; right: -6px; cursor: nwse-resize; }
.handle-n  { top: -6px; left: calc(50% - 6px); cursor: ns-resize; }
.handle-s  { bottom: -6px; left: calc(50% - 6px); cursor: ns-resize; }
.handle-w  { left: -6px; top: calc(50% - 6px); cursor: ew-resize; }
.handle-e  { right: -6px; top: calc(50% - 6px); cursor: ew-resize; }

.crop-size-badge {
  position: absolute;
  bottom: -32px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(17, 24, 39, 0.85);
  color: #ffffff;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* ---------- Export Modal Dialog ---------- */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(3px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 460px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 16px 20px;
  background: var(--color-secondary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 700;
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.18s ease;
  padding: 0;
  outline: none;
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.28);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.08);
}

.modal-close-btn:active {
  transform: scale(0.95);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 14px 20px;
  background: var(--color-neutral);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.format-pills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 8px;
}

.format-pill {
  padding: 12px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 3px;
  transition: all 0.15s ease;
}

.format-pill strong {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-secondary);
}

.format-pill small {
  font-size: 10px;
  color: var(--color-text-muted);
  line-height: 1.2;
}

.format-pill:hover {
  border-color: var(--color-primary);
  background: #f0f7ff;
}

.format-pill.on {
  border-color: var(--color-primary);
  background: #e7f1ff;
  outline: 2px solid var(--color-primary);
}

.text-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-main);
  background: #ffffff;
  outline: none;
}

.text-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.15);
}

.export-preview-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding: 10px 14px;
  background: var(--color-neutral);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.export-preview-meta b {
  color: var(--color-secondary);
  font-family: var(--font-mono);
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  background: var(--color-secondary);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-success);
  display: none;
  align-items: center;
  gap: 8px;
  animation: toastSlide 0.25s ease-out;
}

.toast.show {
  display: flex;
}

@keyframes toastSlide {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}