/* FlowCraft - Main Stylesheet */
/* Clean white theme with CSS Grid layout */
/*
 * Copyright (C) 2026 Silvia Kim
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

@font-face {
  font-family: 'MaruBuri';
  src: url('fonts/MaruBuri-ExtraLight.ttf') format('truetype');
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'MaruBuri';
  src: url('fonts/MaruBuri-Light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'MaruBuri';
  src: url('fonts/MaruBuri-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'MaruBuri';
  src: url('fonts/MaruBuri-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'MaruBuri';
  src: url('fonts/MaruBuri-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-primary: #f5f5f7;
  --bg-secondary: #ffffff;
  --bg-tertiary: #fafafa;
  --bg-panel: #ffffff;
  --bg-hover: #f0f0f5;
  --bg-active: #e8e8f0;
  --bg-input: #f5f5f8;
  --border-color: #e0e0e6;
  --border-light: #d0d0d8;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #8a8aa0;
  --accent: #1a7a4c;
  --accent-hover: #15643f;
  --accent-dim: #1a7a4c;
  --danger: #e05252;
  --success: #34a853;
  --warning: #f0a030;
  --canvas-bg: #ffffff;
  --selection: #1a7a4c30;
  --toolbar-height: 48px;
  --statusbar-height: 28px;
  --palette-width: 280px;
  --props-width: 260px;
  --font-family: 'MaruBuri', 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Consolas', monospace;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-family);
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-primary);
  user-select: none;
  -webkit-user-select: none;
}

/* --- App Grid Layout --- */
#app {
  display: grid;
  grid-template-rows: var(--toolbar-height) 1fr var(--statusbar-height);
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "toolbar toolbar toolbar"
    "palette canvas props"
    "status status status";
  width: 100%;
  height: 100%;
}

#palette-wrapper {
  grid-area: palette;
  display: flex;
  position: relative;
}

#palette-wrapper .palette-inner {
  width: var(--palette-width);
  overflow: hidden;
  transition: width 0.2s ease;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

#palette-wrapper.collapsed .palette-inner {
  width: 0;
}

#palette-toggle {
  flex-shrink: 0;
  width: 16px;
  border: none;
  border-right: 1px solid var(--border-color);
  background: var(--bg-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 10px;
  transition: background 0.15s;
  padding: 0;
}

#palette-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* --- Top Toolbar --- */
#toolbar {
  grid-area: toolbar;
  display: flex;
  align-items: center;
  padding: 0 8px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  gap: 2px;
  z-index: 100;
  overflow: visible;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 4px;
}

.toolbar-group + .toolbar-group {
  border-left: 1px solid var(--border-color);
  margin-left: 4px;
  padding-left: 8px;
}

.toolbar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 16px;
  transition: all 0.15s;
  position: relative;
}

.toolbar-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.toolbar-btn.active {
  background: #e5f5ea;
  color: var(--accent);
}

.toolbar-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.toolbar-btn[title]::after {
  content: attr(title);
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 8px;
  background: #1a1a2e;
  color: #f0f0f5;
  font-size: 11px;
  white-space: nowrap;
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 1000;
}

.toolbar-btn:hover[title]::after {
  opacity: 1;
}

.toolbar-select {
  height: 30px;
  padding: 0 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 12px;
  cursor: pointer;
}

.toolbar-label {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 4px;
}

.toolbar-separator {
  width: 1px;
  height: 24px;
  background: var(--border-color);
  margin: 0 4px;
}

/* --- Left Shape Palette --- */
#palette {
  background: var(--bg-panel);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  overflow-x: hidden;
  width: 100%;
  flex: 1 1 0;
  min-height: 0;
}

#palette::-webkit-scrollbar {
  width: 6px;
}

#palette::-webkit-scrollbar-track {
  background: transparent;
}

#palette::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 3px;
}

.palette-section {
  border-bottom: 1px solid var(--border-color);
}

.palette-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: background 0.15s;
}

.palette-header:hover {
  background: var(--bg-hover);
}

.palette-header .palette-drag-handle {
  cursor: grab;
  margin-right: 6px;
  font-size: 11px;
  opacity: 0.3;
  transition: opacity 0.15s;
}

.palette-header:hover .palette-drag-handle {
  opacity: 0.7;
}

.palette-section-placeholder {
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 0 8px;
}

.palette-header .arrow {
  transition: transform 0.2s;
  font-size: 10px;
}

.palette-section.collapsed .palette-header .arrow {
  transform: rotate(-90deg);
}

.palette-section.collapsed .palette-grid {
  display: none;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 4px;
  padding: 4px 8px 10px;
}

.palette-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4px 2px;
  border-radius: 5px;
  cursor: grab;
  transition: all 0.15s;
  border: 1px solid transparent;
  min-height: 40px;
  overflow: hidden;
  min-width: 0;
}

.palette-item:hover {
  background: var(--bg-hover);
  border-color: var(--border-light);
}

.palette-item:active {
  cursor: grabbing;
}

.palette-item svg {
  width: 24px;
  height: 24px;
  margin-bottom: 2px;
}

.palette-item-label {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.2;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- SVG Canvas Area --- */
#canvas-container {
  grid-area: canvas;
  overflow: hidden;
  position: relative;
  background: var(--canvas-bg);
  cursor: default;
}

#canvas-container svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* --- Canvas Scrollbars --- */
.canvas-scrollbar {
  position: absolute;
  background: transparent;
  z-index: 50;
}

.canvas-scrollbar-h {
  left: 0;
  right: 12px;
  bottom: 0;
  height: 12px;
}

.canvas-scrollbar-v {
  top: 0;
  right: 0;
  bottom: 12px;
  width: 12px;
}

.canvas-scrollbar-thumb {
  position: absolute;
  background: var(--border-light);
  border-radius: 6px;
  opacity: 0.5;
  transition: opacity 0.15s, background 0.15s;
  cursor: pointer;
}

.canvas-scrollbar-h .canvas-scrollbar-thumb {
  height: 8px;
  top: 2px;
  min-width: 30px;
}

.canvas-scrollbar-v .canvas-scrollbar-thumb {
  width: 8px;
  left: 2px;
  min-height: 30px;
}

.canvas-scrollbar:hover .canvas-scrollbar-thumb,
.canvas-scrollbar-thumb:active {
  opacity: 0.8;
  background: var(--text-muted);
}

/* --- Right Properties Panel --- */
#properties-wrapper {
  grid-area: props;
  display: flex;
  position: relative;
  overflow: hidden;
  min-height: 0;
}

#properties-wrapper .props-inner {
  width: var(--props-width);
  overflow-x: hidden;
  overflow-y: auto;
  transition: width 0.2s ease;
  height: 100%;
  min-height: 0;
}

#properties-wrapper.collapsed .props-inner {
  width: 0;
}

#props-toggle {
  flex-shrink: 0;
  width: 16px;
  border: none;
  border-left: 1px solid var(--border-color);
  background: var(--bg-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 10px;
  transition: background 0.15s;
  padding: 0;
  order: -1;
}

#props-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

#properties {
  background: var(--bg-panel);
  border-left: 1px solid var(--border-color);
  width: 100%;
}

.props-section {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
}

.props-section.collapsed > *:not(.props-section-title) {
  display: none;
}

.props-section.collapsed .props-section-title {
  margin-bottom: 0;
}

.props-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  user-select: none;
}

.props-section-arrow {
  font-size: 10px;
  color: var(--text-muted);
}

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

.props-label {
  font-size: 12px;
  color: var(--text-secondary);
  min-width: 55px;
  flex-shrink: 0;
}

.props-input {
  flex: 1;
  height: 28px;
  padding: 0 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font-family);
  outline: none;
  transition: border-color 0.15s;
}

.props-input:focus {
  border-color: var(--accent);
}

.props-input[type="color"] {
  padding: 2px;
  cursor: pointer;
  width: 36px;
  min-width: 36px;
  flex: 0;
}

.color-hex-input {
  width: 72px !important;
  min-width: 72px !important;
  flex: 0 !important;
  font-family: monospace;
  font-size: 11px;
}

.color-half-btn {
  font-size: 10px;
  padding: 2px 5px;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
}
.color-half-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.color-none-btn {
  font-size: 10px;
  padding: 2px 6px;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
}
.color-none-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.props-input[type="number"] {
  width: 60px;
  flex: 0;
}

.props-input[type="range"] {
  padding: 0;
  background: transparent;
  border: none;
  -webkit-appearance: auto;
}

.props-select {
  flex: 1;
  height: 28px;
  padding: 0 6px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  outline: none;
  cursor: pointer;
}

.props-btn {
  height: 28px;
  padding: 0 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.props-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
}

.props-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.props-scroll {
  flex: 1;
  overflow-y: auto;
}

.props-scroll::-webkit-scrollbar {
  width: 6px;
}

.props-scroll::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 3px;
}

/* Layers panel inside properties */
.layer-item {
  display: flex;
  align-items: center;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  gap: 6px;
  transition: background 0.15s;
}

.layer-item:hover {
  background: var(--bg-hover);
}

.layer-item.active {
  background: var(--bg-active);
}

.layer-item .layer-name {
  flex: 1;
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: none;
  border-radius: 3px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
}

.layer-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.layer-btn.active {
  color: var(--accent);
}

/* --- Status Bar --- */
#statusbar {
  grid-area: status;
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  font-size: 11px;
  color: var(--text-muted);
  gap: 16px;
  z-index: 100;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.status-spacer {
  flex: 1;
}

/* --- Context Menu --- */
.context-menu {
  position: fixed;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 4px;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  z-index: 10000;
}

.context-menu-item {
  display: flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-primary);
  gap: 10px;
  transition: background 0.1s;
}

.context-menu-item:hover {
  background: #e5f5ea;
  color: var(--accent);
}

.context-menu-item .shortcut {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
}

.context-menu-separator {
  height: 1px;
  background: var(--border-color);
  margin: 4px 8px;
}

.context-menu-item.danger {
  color: var(--danger);
}

/* --- Selection & Interaction --- */
.selection-rect {
  fill: var(--selection);
  stroke: var(--accent);
  stroke-width: 1;
  stroke-dasharray: 4 2;
}

.resize-handle {
  fill: #ffffff;
  stroke: var(--accent);
  stroke-width: 1.5;
  cursor: pointer;
}

.rotation-handle {
  fill: var(--accent);
  stroke: #fff;
  stroke-width: 1.5;
  cursor: grab;
}

.port-indicator {
  fill: var(--accent);
  stroke: #fff;
  stroke-width: 1.5;
  opacity: 0;
  transition: opacity 0.15s;
  cursor: crosshair;
  pointer-events: all;
}

.port-indicator.visible {
  opacity: 1;
}

.alignment-guide {
  stroke: var(--accent);
  stroke-width: 1;
  stroke-dasharray: 3 3;
  pointer-events: none;
}

.connector-preview {
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: 6 3;
  fill: none;
  pointer-events: none;
}

/* --- Shape selected outline --- */
.shape-selected {
  outline: none;
}

/* --- Modal / Dialog --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20000;
}

.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  min-width: 300px;
  max-width: 500px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.modal h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.modal-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

/* --- Inline text editing --- */
.text-edit-overlay {
  position: absolute;
  background: #ffffff;
  border: 2px solid var(--accent);
  border-radius: 2px;
  padding: 4px;
  outline: none;
  color: #1a1a2e;
  font-family: var(--font-family);
  text-align: center;
  overflow: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  z-index: 500;
}

.text-edit-overlay ul,
.text-edit-overlay ol {
  padding-left: 20px;
  margin: 0;
}

.text-edit-overlay li {
  text-align: left;
}

/* --- Keyboard Shortcuts Dialog --- */
.shortcuts-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
}

.shortcuts-grid .key {
  display: inline-block;
  padding: 2px 6px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
}

/* --- Color Swatch Picker --- */
.color-swatch-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 2px;
  margin-top: 6px;
  margin-bottom: 8px;
}

.color-swatch {
  aspect-ratio: 1;
  border-radius: 3px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform 0.1s, border-color 0.1s;
}

.color-swatch:hover {
  border-color: var(--text-secondary);
  transform: scale(1.15);
  z-index: 1;
}

.color-swatch.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

/* --- Floating Mini-Toolbar --- */
.floating-toolbar {
  position: fixed;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  z-index: 10000;
  pointer-events: auto;
  white-space: nowrap;
}

.floating-toolbar .ft-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 5px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.12s;
  padding: 0;
}

.floating-toolbar .ft-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.floating-toolbar .ft-btn.active {
  background: var(--accent);
  color: #fff;
}

.floating-toolbar .ft-btn.active:hover {
  background: var(--accent);
  color: #fff;
  opacity: 0.9;
}

.floating-toolbar .ft-none-toggle {
  width: 22px;
  height: 22px;
  padding: 2px;
  margin-left: -2px;
  opacity: 0.5;
}
.floating-toolbar .ft-none-toggle.active {
  opacity: 1;
  background: #e57373;
  color: #fff;
}
.floating-toolbar .ft-none-toggle svg {
  width: 14px;
  height: 14px;
}

.floating-toolbar .ft-size-input {
  width: 40px;
  height: 26px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 12px;
  text-align: center;
  padding: 0 2px;
  -moz-appearance: textfield;
}

.floating-toolbar .ft-size-input::-webkit-inner-spin-button,
.floating-toolbar .ft-size-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.floating-toolbar .ft-btn.danger:hover {
  background: #fde8e8;
  color: var(--danger);
}

.floating-toolbar .ft-btn svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.floating-toolbar .ft-sep {
  width: 1px;
  height: 20px;
  background: var(--border-color);
  margin: 0 2px;
}

.floating-toolbar .ft-color {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: 1.5px solid var(--border-color);
  cursor: pointer;
  padding: 0;
  position: relative;
}

.floating-toolbar .ft-color.ft-color-none {
  background: repeating-conic-gradient(#ccc 0% 25%, #fff 0% 50%) 50% / 8px 8px;
  border-color: #e57373;
}

.floating-toolbar .ft-color input[type="color"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  border: none;
}

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

::selection {
  background: var(--accent);
  color: #fff;
}

/* --- Scrollbar for whole app --- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}