/**
 * KINVA Artist OS - Studio Grid Tool CSS
 * 
 * v1.9.0 - Sidebar layout, Canvas grid overlay
 * 
 * @package KINVA_Artist_OS
 * @family studio
 */

/* ══════════════════════════════════════════════════════════════════════════
   VARIABLES
   ══════════════════════════════════════════════════════════════════════════ */

.kinva-grid-wrapper {
  --kinva-studio-primary: #9333ea;
  --kinva-studio-light: #a855f7;
  --kinva-studio-dark: #7e22ce;
  --sidebar-width: 280px;
}

/* Hidden file input */
.kinva-grid__file-input {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* ══════════════════════════════════════════════════════════════════════════
   MAIN LAYOUT - Image Left, Controls Right
   ══════════════════════════════════════════════════════════════════════════ */

.kinva-grid-wrapper--sidebar {
  max-width: 1200px !important;
}

.kinva-grid__layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 20px;
  align-items: start;
}

/* ══════════════════════════════════════════════════════════════════════════
   LEFT: IMAGE AREA
   ══════════════════════════════════════════════════════════════════════════ */

.kinva-grid__image-area {
  background: var(--kinva-bg, #f8fafc);
  border: 1px solid var(--kinva-border, #e2e8f0);
  border-radius: 12px;
  padding: 16px;
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

.kinva-grid__dropzone {
  flex: 1;
  min-height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #fff 0%, var(--kinva-bg, #f8fafc) 100%);
  border: 3px dashed var(--kinva-border, #e2e8f0);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.kinva-grid__dropzone:hover {
  border-color: var(--kinva-studio-primary);
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.02) 0%, rgba(168, 85, 247, 0.05) 100%);
}

.kinva-grid__dropzone--active {
  border-color: var(--kinva-studio-primary);
  background: rgba(147, 51, 234, 0.08);
  transform: scale(1.01);
}

.kinva-grid__dropzone-content {
  text-align: center;
  padding: 24px;
}

.kinva-grid__dropzone-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 12px;
  opacity: 0.6;
}

.kinva-grid__dropzone-content p {
  color: var(--kinva-text-light, #64748b);
  margin: 0 0 16px 0;
  font-size: 14px;
}

.kinva-grid__canvas {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Quick Actions */
.kinva-grid__quick-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--kinva-border, #e2e8f0);
  justify-content: center;
}

.kinva-grid__quick-actions .kinva-btn {
  min-width: 44px;
  height: 44px;
  padding: 0;
  font-size: 18px;
}

/* ══════════════════════════════════════════════════════════════════════════
   RIGHT: SIDEBAR CONTROLS
   ══════════════════════════════════════════════════════════════════════════ */

.kinva-grid__sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: calc(100vh - 200px);
  overflow-y: auto;
  padding-right: 4px;
  position: sticky;
  top: 20px;
}

/* Scrollbar styling */
.kinva-grid__sidebar::-webkit-scrollbar {
  width: 6px;
}

.kinva-grid__sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.kinva-grid__sidebar::-webkit-scrollbar-thumb {
  background: var(--kinva-border, #e2e8f0);
  border-radius: 3px;
}

.kinva-grid__sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--kinva-text-muted, #94a3b8);
}

/* Control Sections */
.kinva-grid__control-section {
  background: var(--kinva-bg, #f8fafc);
  border: 1px solid var(--kinva-border, #e2e8f0);
  border-radius: 10px;
  padding: 12px;
}

.kinva-grid__control-section h4 {
  margin: 0 0 10px 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--kinva-text-light, #64748b);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ══════════════════════════════════════════════════════════════════════════
   GRID TYPE BUTTONS
   ══════════════════════════════════════════════════════════════════════════ */

.kinva-grid__type-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.kinva-grid__type-btn {
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--kinva-text, #334155);
  background: white;
  border: 1px solid var(--kinva-border, #e2e8f0);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.kinva-grid__type-btn:hover {
  border-color: var(--kinva-studio-primary);
  background: rgba(147, 51, 234, 0.05);
}

.kinva-grid__type-btn.active {
  color: white;
  background: var(--kinva-studio-primary);
  border-color: var(--kinva-studio-primary);
}

/* ══════════════════════════════════════════════════════════════════════════
   CANVAS/VÁSZON SETTINGS
   ══════════════════════════════════════════════════════════════════════════ */

.kinva-grid__canvas-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}

.kinva-grid__canvas-grid .kinva-field {
  margin: 0;
}

.kinva-grid__canvas-grid .kinva-field:last-child {
  grid-column: span 2;
}

.kinva-grid__canvas-grid label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--kinva-text-light, #64748b);
  margin-bottom: 4px;
}

.kinva-input-with-unit {
  display: flex;
  align-items: center;
  gap: 4px;
}

.kinva-input-with-unit input {
  flex: 1;
  padding: 6px 8px;
  border: 1px solid var(--kinva-border, #e2e8f0);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  text-align: right;
  width: 100%;
}

.kinva-input-with-unit input:focus {
  outline: none;
  border-color: var(--kinva-studio-primary);
  box-shadow: 0 0 0 2px rgba(147, 51, 234, 0.15);
}

.kinva-input-with-unit span {
  font-size: 11px;
  color: var(--kinva-text-light, #64748b);
  min-width: 20px;
}

.kinva-grid__canvas-grid select {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--kinva-border, #e2e8f0);
  border-radius: 6px;
  font-size: 12px;
  background: white;
  cursor: pointer;
}

.kinva-grid__canvas-grid select:focus {
  outline: none;
  border-color: var(--kinva-studio-primary);
}

/* ══════════════════════════════════════════════════════════════════════════
   CUSTOM GRID OPTIONS
   ══════════════════════════════════════════════════════════════════════════ */

.kinva-grid__custom-options {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--kinva-border, #e2e8f0);
}

.kinva-grid__custom-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
}

.kinva-grid__custom-inputs input {
  width: 50px;
  padding: 6px 8px;
  border: 1px solid var(--kinva-border, #e2e8f0);
  border-radius: 6px;
  font-size: 13px;
  text-align: center;
}

.kinva-grid__custom-inputs span {
  color: var(--kinva-text-light, #64748b);
}

/* ══════════════════════════════════════════════════════════════════════════
   LINE SETTINGS
   ══════════════════════════════════════════════════════════════════════════ */

.kinva-grid__line-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kinva-grid__line-row input[type="color"] {
  width: 36px;
  height: 36px;
  padding: 2px;
  border: 1px solid var(--kinva-border, #e2e8f0);
  border-radius: 6px;
  cursor: pointer;
  flex-shrink: 0;
}

.kinva-grid__line-row input[type="range"] {
  flex: 1;
  height: 6px;
  background: var(--kinva-border, #e2e8f0);
  border-radius: 3px;
  cursor: pointer;
  -webkit-appearance: none;
}

.kinva-grid__line-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--kinva-studio-primary);
  border-radius: 50%;
  cursor: grab;
}

/* ══════════════════════════════════════════════════════════════════════════
   IMAGE ADJUSTMENTS
   ══════════════════════════════════════════════════════════════════════════ */

.kinva-grid__checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  cursor: pointer;
  font-size: 13px;
}

.kinva-grid__checkbox-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--kinva-studio-primary);
}

.kinva-grid__slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.kinva-grid__slider-row span:first-child {
  width: 20px;
  text-align: center;
  font-size: 14px;
}

.kinva-grid__slider-row input[type="range"] {
  flex: 1;
  height: 6px;
  background: var(--kinva-border, #e2e8f0);
  border-radius: 3px;
  -webkit-appearance: none;
}

.kinva-grid__slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--kinva-studio-primary);
  border-radius: 50%;
  cursor: grab;
}

.kinva-grid__brightness-value,
.kinva-grid__contrast-value {
  min-width: 28px;
  text-align: right;
  font-size: 11px;
  color: var(--kinva-text-light, #64748b);
}

/* ══════════════════════════════════════════════════════════════════════════
   CROP CONTROLS
   ══════════════════════════════════════════════════════════════════════════ */

.kinva-grid__crop-controls {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.kinva-grid__crop-controls .kinva-btn {
  flex: 1;
  min-width: 80px;
}

/* ══════════════════════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════════════════════ */

.kinva-btn--full {
  width: 100%;
}

.kinva-btn--small {
  padding: 8px 12px;
  font-size: 12px;
}

.kinva-btn--success {
  background: #059669 !important;
  color: white !important;
}

.kinva-btn--success:hover {
  background: #047857 !important;
}

.kinva-grid__apply-canvas-btn {
  background: var(--kinva-studio-primary) !important;
  color: white !important;
}

.kinva-grid__apply-canvas-btn:hover {
  background: var(--kinva-studio-dark) !important;
}

/* ══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 900px) {
  .kinva-grid__layout {
    grid-template-columns: 1fr;
  }
  
  /* v1.30.12: Sticky preview on mobile */
  .kinva-grid__image-area {
    position: sticky;
    top: 0;
    z-index: 100;
    min-height: auto;
    max-height: 45vh;
    background: var(--kinva-bg, #f8fafc);
    border-radius: 0 0 12px 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 8px;
    margin: -12px -12px 12px -12px;
    width: calc(100% + 24px);
  }
  
  .kinva-grid__dropzone {
    min-height: 150px;
  }
  
  .kinva-grid__canvas-container {
    max-height: calc(45vh - 40px);
    overflow: hidden;
  }
  
  .kinva-grid__canvas-wrapper {
    max-height: calc(45vh - 50px);
  }
  
  .kinva-grid__sidebar {
    max-height: none;
    overflow-y: visible;
    position: static;
    padding-bottom: 80px; /* Extra space for scrolling */
  }
  
  /* Hide dimension info on mobile to save space */
  .kinva-grid__dimension-info {
    display: none;
  }
  
  /* Compact toolbar */
  .kinva-grid__toolbar {
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px;
  }
  
  .kinva-grid__toolbar .kinva-btn {
    padding: 6px 10px;
    font-size: 12px;
  }
}

@media (max-width: 500px) {
  .kinva-grid-wrapper {
    padding: 12px !important;
  }
  
  .kinva-grid__canvas-grid {
    grid-template-columns: 1fr;
  }
  
  .kinva-grid__canvas-grid .kinva-field:last-child {
    grid-column: span 1;
  }
  
  .kinva-grid__type-buttons {
    gap: 4px;
  }
  
  .kinva-grid__type-btn {
    padding: 5px 8px;
    font-size: 11px;
  }
}

/* Reset All button */
.kinva-grid__reset-all-btn {
  background: #f59e0b !important;
  color: white !important;
}

.kinva-grid__reset-all-btn:hover {
  background: #d97706 !important;
}

/* Fibonacci Controls (v1.9.2) */
.kinva-grid__fib-controls {
  background: linear-gradient(135deg, #fef3c7 0%, #fef9c3 100%) !important;
  border-color: #f59e0b !important;
}

.kinva-grid__fib-row {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.kinva-grid__fib-row .kinva-btn.active {
  background: #f59e0b !important;
  color: white !important;
}

/* Perspective Assistant (v1.10.5) */
.kinva-perspective-point {
  display: inline-block;
  padding: 3px 8px;
  background: #f0f0f0;
  border-radius: 4px;
  font-family: monospace;
  font-size: 11px;
}

.kinva-perspective-point.active {
  background: #00AAFF;
  color: white;
}

.kinva-grid__perspective-section {
  background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%) !important;
  border-color: #0ea5e9 !important;
}

.kinva-grid__perspective-mode-auto.active,
.kinva-grid__perspective-mode-manual.active {
  background: #0ea5e9 !important;
  color: white !important;
}

.kinva-grid__perspective-type-btn.active,
.kinva-grid__perspective-raycount-btn.active {
  background: #0284c7 !important;
  color: white !important;
}

/* Transform Tools Section (v1.10.6) */
.kinva-grid__transform-section {
  background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%) !important;
  border-color: #0ea5e9 !important;
}

.kinva-grid__mirror-h-btn.active,
.kinva-grid__mirror-v-btn.active {
  background: #0ea5e9 !important;
  color: white !important;
}

.kinva-grid__rotate-btn.active {
  background: #0ea5e9 !important;
  color: white !important;
}

/* Preset Section (v1.10.7) */
.kinva-grid__preset-section {
  background: linear-gradient(135deg, #fef3c7 0%, #fffbeb 100%) !important;
  border-color: #f59e0b !important;
}

.kinva-grid__preset-load-btn:hover {
  background: #f59e0b !important;
  color: white !important;
}

/* Measurement Section (v1.10.7) */
.kinva-grid__measure-section {
  background: linear-gradient(135deg, #f3e8ff 0%, #faf5ff 100%) !important;
  border-color: #a855f7 !important;
}

.kinva-grid__measure-mode-btn.active {
  background: #a855f7 !important;
  color: white !important;
}

/* Reference Section (v1.10.7) */
.kinva-grid__reference-section {
  background: linear-gradient(135deg, #dcfce7 0%, #f0fdf4 100%) !important;
  border-color: #22c55e !important;
}

.kinva-grid__reference-blend-btn.active {
  background: #22c55e !important;
  color: white !important;
}

/* Ghost Image Section (v1.10.8) */
.kinva-grid__ghost-section {
  background: linear-gradient(135deg, #fce7f3 0%, #fdf2f8 100%) !important;
  border-color: #ec4899 !important;
}

.kinva-grid__ghost-color-btn.active {
  background: #ec4899 !important;
  color: white !important;
}

/* ══════════════════════════════════════════════════════════════════════════
   DIVI FIXED HEADER COMPATIBILITY (v1.30.12)
   ══════════════════════════════════════════════════════════════════════════ */

:root {
  --divi-header-height: 80px;
  --divi-header-height-mobile: 60px;
}

/* Desktop: Push content below fixed header */
body.et_fixed_nav .kinva-grid-wrapper {
  padding-top: var(--divi-header-height);
}

/* Mobile: Adjust sticky preview position for Divi header */
@media (max-width: 900px) {
  body.et_fixed_nav .kinva-grid__image-area {
    top: var(--divi-header-height-mobile);
    max-height: calc(45vh - var(--divi-header-height-mobile));
  }
  
  body.et_fixed_nav .kinva-grid__canvas-container {
    max-height: calc(45vh - var(--divi-header-height-mobile) - 40px);
  }
  
  body.et_fixed_nav .kinva-grid__canvas-wrapper {
    max-height: calc(45vh - var(--divi-header-height-mobile) - 50px);
  }
}

@media (max-width: 980px) {
  body.et_fixed_nav .kinva-grid-wrapper {
    padding-top: var(--divi-header-height-mobile);
  }
}