/* =========================================================
   PIXELCRAFT — STYLESHEET
   Arquitetura: CSS Custom Properties + BEM + Mobile-first
   ========================================================= */

/* ---------------------------------------------------------
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   --------------------------------------------------------- */
:root {
  /* Brand colors */
  --color-primary: #6C63FF;
  --color-primary-light: #8B85FF;
  --color-primary-dark: #5046E5;
  --color-primary-ghost: rgba(108, 99, 255, 0.12);

  --color-secondary: #FF6584;
  --color-accent: #43D9AD;
  --color-warning: #FFB822;
  --color-danger: #FF4D6A;
  --color-success: #2ED573;

  /* Neutrals */
  --color-bg: #F8F7FF;
  --color-bg-secondary: #FFFFFF;
  --color-surface: #FFFFFF;
  --color-surface-raised: #FFFFFF;
  --color-border: #E5E3FF;
  --color-border-subtle: #F0EFF8;

  /* Text */
  --color-text: #1A1835;
  --color-text-secondary: #6B6880;
  --color-text-muted: #A09DB8;
  --color-text-on-primary: #FFFFFF;

  /* Shadows */
  --shadow-sm: 0 1px 4px rgba(108, 99, 255, 0.08);
  --shadow-md: 0 4px 16px rgba(108, 99, 255, 0.12);
  --shadow-lg: 0 8px 32px rgba(108, 99, 255, 0.16);
  --shadow-xl: 0 20px 60px rgba(108, 99, 255, 0.2);
  --shadow-card: 0 2px 8px rgba(26, 24, 53, 0.08);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'Fira Code', 'Consolas', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;

  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;

  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.7;

  /* Borders */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index scale */
  --z-base: 0;
  --z-raised: 10;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-top: 9999;

  /* Layout */
  --container-max: 1440px;
  --header-height: 64px;
}

/* ===== DARK MODE ===== */
@media (prefers-color-scheme: dark) {
  :root { --theme: dark; }
}
[data-theme="dark"] {
  --color-bg: #0F0E1A;
  --color-bg-secondary: #16152A;
  --color-surface: #1E1D35;
  --color-surface-raised: #27264A;
  --color-border: #2E2C4F;
  --color-border-subtle: #211F3C;

  --color-text: #F0EFFF;
  --color-text-secondary: #A09DB8;
  --color-text-muted: #6B6880;

  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.6);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* ---------------------------------------------------------
   2. RESET & BASE
   --------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

img, canvas, video {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

ul, ol { list-style: none; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}
@media (min-width: 768px) { .container { padding: 0 var(--space-8); } }
@media (min-width: 1024px) { .container { padding: 0 var(--space-12); } }

/* ---------------------------------------------------------
   3. BUTTONS
   --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: 1;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-spring);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:active { transform: scale(0.96); }
.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Ripple effect */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:hover::after { opacity: 0.08; }

/* Variants */
.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-text-on-primary);
  box-shadow: var(--shadow-md);
}
.btn--primary:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-ghost);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn--ghost:hover {
  background: var(--color-primary-ghost);
  color: var(--color-primary);
}

.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
}
.btn--icon:hover {
  background: var(--color-primary-ghost);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--danger {
  background: var(--color-danger);
  color: white;
}
.btn--sm { padding: var(--space-2) var(--space-3); font-size: var(--text-xs); }
.btn--lg { padding: var(--space-3) var(--space-6); font-size: var(--text-base); }
.btn--full { width: 100%; }

.btn--chip {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-weight: var(--weight-medium);
}
.btn--chip:hover, .btn--chip.active {
  background: var(--color-primary-ghost);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ---------------------------------------------------------
   4. HEADER
   --------------------------------------------------------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1.5px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-slow);
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand__logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-lg);
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.brand__tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--weight-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Hide text labels on small screens */
@media (max-width: 480px) {
  .header__nav .btn span { display: none; }
  .brand__tagline { display: none; }
}

/* ---------------------------------------------------------
   5. UPLOAD ZONE
   --------------------------------------------------------- */
.upload-section {
  padding: var(--space-12) var(--space-4);
}

.upload-zone {
  position: relative;
  border: 2.5px dashed var(--color-border);
  border-radius: var(--radius-2xl);
  background: var(--color-surface);
  transition:
    border-color var(--transition-base),
    background-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-spring);
  cursor: pointer;
  overflow: hidden;
}

.upload-zone:hover,
.upload-zone:focus-within {
  border-color: var(--color-primary);
  background: var(--color-primary-ghost);
  box-shadow: var(--shadow-lg);
}

.upload-zone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-ghost);
  transform: scale(1.01);
  box-shadow: var(--shadow-xl);
}

.upload-zone__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-16) var(--space-8);
  text-align: center;
}

.upload-zone__icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary-ghost), rgba(108, 99, 255, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--color-primary);
  transition: transform var(--transition-spring);
}
.upload-zone:hover .upload-zone__icon { transform: scale(1.1) rotate(5deg); }

.upload-zone__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.upload-zone__subtitle {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
}

.upload-zone__formats {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  background: var(--color-bg);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.upload-zone__input {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

/* Drag overlay */
.upload-zone__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(108,99,255,0.9), rgba(80,70,229,0.95));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  color: white;
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  z-index: 10;
}
.upload-zone__overlay i { font-size: 4rem; }
.upload-zone.drag-over .upload-zone__overlay { opacity: 1; }

/* ---------------------------------------------------------
   6. WORKSPACE
   --------------------------------------------------------- */
.workspace {
  padding-bottom: var(--space-16);
}

.batch-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  box-shadow: var(--shadow-sm);
}

.batch-toolbar__info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  font-size: var(--text-sm);
}
.batch-toolbar__info i { color: var(--color-primary); }

.batch-toolbar__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Images grid */
.images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-5);
}

@media (max-width: 480px) {
  .images-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: var(--space-3); }
}

/* Image card */
.image-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition:
    transform var(--transition-spring),
    box-shadow var(--transition-base),
    border-color var(--transition-fast);
  position: relative;
  cursor: pointer;
}
.image-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}
.image-card.selected {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-ghost), var(--shadow-lg);
}

.image-card__thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.image-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.image-card:hover .image-card__thumb img { transform: scale(1.05); }

/* Checkbox de seleção */
.image-card__select {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 2;
}
.image-card__checkbox {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  accent-color: var(--color-primary);
}

/* Badge de formato */
.image-card__badge {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: rgba(0,0,0,0.65);
  color: white;
  font-size: 10px;
  font-weight: var(--weight-bold);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  backdrop-filter: blur(4px);
  letter-spacing: 0.08em;
}

/* Overlay de hover com ações */
.image-card__actions {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.85));
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.image-card:hover .image-card__actions { opacity: 1; }

.image-card__actions .btn {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
}

/* Footer do card */
.image-card__footer {
  padding: var(--space-3) var(--space-3);
  border-top: 1px solid var(--color-border-subtle);
}

.image-card__name {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}
.image-card__meta {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* Status de edição */
.image-card__edited {
  position: absolute;
  top: var(--space-2);
  left: var(--space-8);
  background: var(--color-success);
  color: white;
  font-size: 10px;
  font-weight: var(--weight-bold);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  display: none;
}
.image-card.has-edits .image-card__edited { display: block; }

/* ---------------------------------------------------------
   7. MODAL EDITOR
   --------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 8, 30, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 1200px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-spring);
  border: 1.5px solid var(--color-border);
}
.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

/* Modal Header */
.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1.5px solid var(--color-border);
  background: var(--color-surface);
  flex-shrink: 0;
}

.modal__title-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}
.modal__title-group i {
  color: var(--color-primary);
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.modal__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.modal__title span {
  color: var(--color-primary);
}

/* Modal Body */
.modal__body {
  display: grid;
  grid-template-columns: 1fr 340px;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

@media (max-width: 900px) {
  .modal__body {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    overflow-y: auto;
  }
}

/* ---------------------------------------------------------
   8. EDITOR PREVIEW AREA
   --------------------------------------------------------- */
.editor__preview-area {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border-right: 1.5px solid var(--color-border);
  overflow: hidden;
}

.editor__canvas-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  background:
    repeating-conic-gradient(var(--color-border-subtle) 0% 25%, transparent 0% 50%)
    0 0 / 24px 24px;
  min-height: 300px;
}

#editorCanvas {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base);
  cursor: crosshair;
}

.canvas__loading {
  position: absolute;
  inset: 0;
  background: rgba(var(--color-bg), 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  backdrop-filter: blur(4px);
}
.canvas__loading.show { opacity: 1; }
.canvas__loading i { font-size: 2rem; color: var(--color-primary); }

/* Info bar */
.editor__info-bar {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.info-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  background: var(--color-bg);
  padding: 3px var(--space-2);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  font-weight: var(--weight-medium);
}
.info-chip i { color: var(--color-primary); }

/* Preview actions */
.editor__preview-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

/* ---------------------------------------------------------
   9. EDITOR CONTROLS (Sidebar)
   --------------------------------------------------------- */
.editor__controls {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-surface);
}

/* Tabs */
.controls-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--color-bg);
  border-bottom: 1.5px solid var(--color-border);
  flex-shrink: 0;
}

.tab-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: var(--space-3) var(--space-2);
  background: transparent;
  border: none;
  border-bottom: 2.5px solid transparent;
  cursor: pointer;
  font-size: 11px;
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    background-color var(--transition-fast);
  white-space: nowrap;
}
.tab-btn i { font-size: var(--text-base); }
.tab-btn:hover { color: var(--color-primary); background: var(--color-primary-ghost); }
.tab-btn--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background: var(--color-surface);
}

/* Tab panels */
.tab-panel {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}
.tab-panel::-webkit-scrollbar { width: 4px; }
.tab-panel::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }

/* Control group */
.control-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.control-section-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.control-section-title i { color: var(--color-primary); }

.control-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  gap: var(--space-2);
}
.control-label i { color: var(--color-primary); font-size: var(--text-sm); }

.control-value {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  background: var(--color-primary-ghost);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  min-width: 3.5em;
  text-align: center;
  font-family: var(--font-mono);
}

/* Range Input */
.range-input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
  transition: background var(--transition-fast);
  position: relative;
}
.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(108, 99, 255, 0.4);
  transition: transform var(--transition-spring), box-shadow var(--transition-fast);
  border: 2px solid white;
}
.range-input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(108, 99, 255, 0.4);
  border: 2px solid white;
}
.range-input:hover::-webkit-slider-thumb,
.range-input:focus::-webkit-slider-thumb {
  transform: scale(1.2);
  box-shadow: 0 4px 12px rgba(108, 99, 255, 0.5);
}
.range-input:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 4px; border-radius: var(--radius-full); }

/* Hue range */
.range-input--hue {
  background: linear-gradient(to right,
    hsl(0,100%,50%), hsl(30,100%,50%), hsl(60,100%,50%),
    hsl(120,100%,50%), hsl(180,100%,50%), hsl(240,100%,50%),
    hsl(300,100%,50%), hsl(360,100%,50%));
}
/* Temperature range */
.range-input--temp {
  background: linear-gradient(to right, #a0c8ff, #ffffff, #ffb347);
}

.range-marks {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--color-text-muted);
  font-weight: var(--weight-medium);
}

/* Toggle switches */
.toggle-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toggle-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}
.toggle-item:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-ghost);
}
.toggle-item:has(.toggle-input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-ghost);
}

.toggle-input { display: none; }

.toggle-track {
  flex-shrink: 0;
  width: 38px;
  height: 22px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  position: relative;
  transition: background var(--transition-fast);
}
.toggle-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  transition: left var(--transition-spring), box-shadow var(--transition-fast);
}
.toggle-input:checked + .toggle-track {
  background: var(--color-primary);
}
.toggle-input:checked + .toggle-track::after {
  left: 19px;
  box-shadow: 0 1px 6px rgba(108,99,255,0.4);
}

.toggle-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.toggle-label i { color: var(--color-primary); }

/* Presets grid */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.preset-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--color-bg);
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    transform var(--transition-spring);
}
.preset-card:hover { border-color: var(--color-primary); transform: scale(1.03); }
.preset-card.active {
  border-color: var(--color-primary);
  background: var(--color-primary-ghost);
  box-shadow: 0 0 0 2px var(--color-primary-ghost);
}

.preset-card__thumb {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-border);
}
.preset-card__thumb canvas {
  width: 100%;
  height: 100%;
}

.preset-card__name {
  font-size: 10px;
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  text-align: center;
}

/* ---------------------------------------------------------
   10. TRANSFORM CONTROLS
   --------------------------------------------------------- */
.dimension-inputs {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
}

.dim-input-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.dim-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
}

.number-input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: border-color var(--transition-fast);
  outline: none;
}
.number-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-ghost); }
.number-input--sm { padding: var(--space-1) var(--space-2); font-size: var(--text-xs); width: 70px; }

.lock-ratio {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  align-self: flex-end;
  margin-bottom: 0;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.lock-ratio[aria-pressed="true"] {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-ghost);
}

.size-presets {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  align-items: center;
  margin-top: var(--space-2);
}
.size-presets__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--weight-semibold);
  margin-right: var(--space-1);
}

.transform-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.crop-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.crop-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.crop-label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  font-weight: var(--weight-semibold);
  min-width: 32px;
}

/* ---------------------------------------------------------
   11. EXPORT CONTROLS
   --------------------------------------------------------- */
.format-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-2);
}

.format-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-2);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--color-bg);
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    transform var(--transition-spring);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-text-secondary);
}
.format-card i { font-size: var(--text-lg); color: var(--color-text-muted); }
.format-card:hover { border-color: var(--color-primary); transform: scale(1.05); }
.format-card--active,
.format-card:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-ghost);
  color: var(--color-primary);
}
.format-card:has(input:checked) i { color: var(--color-primary); }

.format-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.format-note i { color: var(--color-warning); }

.text-input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast);
  outline: none;
}
.text-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-ghost); }

.export-preview {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.export-preview__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}
.export-preview__row strong { color: var(--color-text); font-weight: var(--weight-bold); }

.export-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* ---------------------------------------------------------
   12. TOAST NOTIFICATIONS
   --------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface-raised);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  max-width: 360px;
  pointer-events: all;
  animation: toastIn var(--transition-spring) forwards;
  backdrop-filter: blur(8px);
}
.toast.removing { animation: toastOut var(--transition-base) forwards; }

.toast--success { border-left: 4px solid var(--color-success); }
.toast--error   { border-left: 4px solid var(--color-danger); }
.toast--warning { border-left: 4px solid var(--color-warning); }
.toast--info    { border-left: 4px solid var(--color-primary); }

.toast__icon { font-size: var(--text-lg); flex-shrink: 0; }
.toast--success .toast__icon { color: var(--color-success); }
.toast--error   .toast__icon { color: var(--color-danger); }
.toast--warning .toast__icon { color: var(--color-warning); }
.toast--info    .toast__icon { color: var(--color-primary); }

@keyframes toastIn {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}
@keyframes toastOut {
  from { transform: translateX(0);    opacity: 1; }
  to   { transform: translateX(120%); opacity: 0; }
}

/* ---------------------------------------------------------
   13. PROGRESS OVERLAY
   --------------------------------------------------------- */
.progress-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 8, 30, 0.85);
  backdrop-filter: blur(8px);
  z-index: var(--z-top);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.progress-overlay.show {
  opacity: 1;
  pointer-events: all;
}

.progress-overlay__inner {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  min-width: 280px;
  box-shadow: var(--shadow-xl);
}

.progress-spinner {
  width: 56px;
  height: 56px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

#progressText {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}

.progress-bar-wrap {
  width: 100%;
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
  width: 0%;
  transition: width var(--transition-base);
}

#progressCount {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

/* ---------------------------------------------------------
   14. FOOTER
   --------------------------------------------------------- */
.app-footer {
  margin-top: auto;
  background: var(--color-surface);
  border-top: 1.5px solid var(--color-border);
  padding: var(--space-6) 0;
}

.footer__content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  font-size: var(--text-lg);
}

.footer__credit {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.footer__contact {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-primary);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}
.footer__contact:hover {
  background: var(--color-primary);
  color: white;
  text-decoration: none;
}

/* ---------------------------------------------------------
   15. SCROLLBAR GLOBAL
   --------------------------------------------------------- */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}
*::-webkit-scrollbar { width: 6px; height: 6px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
*::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ---------------------------------------------------------
   16. SELECTION HIGHLIGHT
   --------------------------------------------------------- */
::selection {
  background: rgba(108, 99, 255, 0.25);
  color: var(--color-text);
}

/* ---------------------------------------------------------
   17. FOCUS VISIBLE GLOBAL
   --------------------------------------------------------- */
:focus-visible {
  outline: 2.5px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------------------------------------------------------
   18. ANIMATIONS GLOBAIS
   --------------------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.6; }
}

.anim-fade-in { animation: fadeIn 0.35s var(--transition-spring) forwards; }

/* ---------------------------------------------------------
   19. RESPONSIVE ADJUSTMENTS
   --------------------------------------------------------- */

/* MOBILE < 480px */
@media (max-width: 480px) {
  :root { --header-height: 56px; }

  .upload-zone__content { padding: var(--space-10) var(--space-4); }
  .upload-zone__title { font-size: var(--text-xl); }

  .modal { max-height: 100vh; border-radius: 0; }
  .modal-overlay { padding: 0; align-items: flex-end; }

  .modal__body {
    grid-template-columns: 1fr;
    grid-template-rows: 260px 1fr;
  }
  .editor__preview-area { border-right: none; border-bottom: 1.5px solid var(--color-border); }

  .controls-tabs { font-size: 10px; }
  .tab-btn { padding: var(--space-2) var(--space-1); font-size: 10px; }

  .format-grid { grid-template-columns: repeat(3, 1fr); }
  .transform-btns { grid-template-columns: 1fr 1fr; }

  .batch-toolbar { flex-direction: column; align-items: flex-start; }

  .toast-container { bottom: var(--space-4); right: var(--space-4); left: var(--space-4); }
  .toast { max-width: 100%; }
}

/* TABLET 480–768px */
@media (min-width: 481px) and (max-width: 767px) {
  .modal__body {
    grid-template-columns: 1fr;
    grid-template-rows: 320px 1fr;
    overflow-y: auto;
  }
  .editor__preview-area { border-right: none; border-bottom: 1.5px solid var(--color-border); }
}

/* TABLET 768px+ */
@media (min-width: 768px) {
  .modal__body {
    grid-template-columns: 1fr 360px;
  }
  .controls-tabs .tab-btn span { display: block; }
}

/* DESKTOP 1024px+ */
@media (min-width: 1024px) {
  .upload-section { padding: var(--space-16) var(--space-4); }
  .images-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
}

/* ---------------------------------------------------------
   20. PRINT
   --------------------------------------------------------- */
@media print {
  .app-header, .app-footer, .modal-overlay, .toast-container { display: none; }
}