:root {
  --primary-color: #0a66c2;
  --primary-hover: #004182;
  --bg-color: #f3f2ef;
  --panel-bg: #ffffff;
  --text-dark: #1b1b1b;
  --text-light: #666666;
  --border-color: #e0e0e0;
  --border-radius: 12px;
  --transition-speed: 0.2s;
  --safe-zone-color: rgba(255, 0, 0, 0.2);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-dark);
  height: 100vh;
  overflow: hidden;
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

header {
  background-color: var(--panel-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

h1 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
}

.workspace {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.toolbar {
  width: 300px;
  background-color: var(--panel-bg);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.right-toolbar {
  border-right: none;
  border-left: 1px solid var(--border-color);
}

.tool-section h3 {
  font-size: 0.875rem;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

/* Template Grid */
.template-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.template-item {
  aspect-ratio: 4/1;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-speed);
  background-size: cover;
  background-position: center;
}

.template-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.template-item.active {
  border-color: var(--primary-color);
}

/* Canvas Area */
.canvas-panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #e9e9df;
  overflow: auto;
  padding: 40px;
}

.canvas-wrapper {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 1000px; /* scaled for view */
}

.canvas-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-light);
}

.toggle-group {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.canvas-container {
  position: relative;
  width: 100%;
  padding-bottom: 25%; /* 1584x396 = 4:1 aspect ratio */
  background: white;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  overflow: hidden;
}

canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

/* Safe Zone Overlay */
.safe-zone-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.profile-safe-area {
  position: absolute;
  bottom: 0;
  left: 3%;
  width: 15%;
  aspect-ratio: 1;
  background-color: var(--safe-zone-color);
  border: 2px dashed rgba(255,0,0,0.5);
  border-bottom: none;
  border-radius: 50% 50% 0 0;
}

/* Profile Mockup */
.profile-mockup {
  position: absolute;
  bottom: -40px;
  left: 0;
  width: 100%;
  height: 100px;
  pointer-events: none;
  background: linear-gradient(to top, rgba(255,255,255,1) 0%, rgba(255,255,255,0) 100%);
}

.mockup-avatar {
  position: absolute;
  bottom: 20px;
  left: 5%;
  width: 80px;
  height: 80px;
  background: #cbd5e1;
  border-radius: 50%;
  border: 4px solid white;
}

.mockup-details {
  position: absolute;
  bottom: 20px;
  left: calc(5% + 100px);
}

.mockup-name {
  font-weight: bold;
  font-size: 1.2rem;
  color: #000;
}
.mockup-headline {
  font-size: 0.9rem;
  color: #666;
}

/* Controls */
.control-group {
  margin-bottom: 16px;
}

.control-group.double {
  display: flex;
  gap: 12px;
}

.control-group.double .half {
  flex: 1;
}

label {
  display: block;
  font-size: 0.75rem;
  margin-bottom: 6px;
  color: var(--text-light);
}

input[type="text"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.875rem;
  transition: border-color var(--transition-speed);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.color-picker-wrapper {
  display: flex;
  gap: 8px;
}

input[type="color"] {
  width: 40px;
  height: 36px;
  padding: 2px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
}

/* Buttons */
button {
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  border: none;
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 0.875rem;
  transition: all var(--transition-speed);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.primary-btn {
  background-color: var(--primary-color);
  color: white;
}

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

.secondary-btn {
  background-color: white;
  color: var(--text-dark);
  border: 1px solid var(--border-color);
  width: 100%;
  margin-bottom: 12px;
}

.secondary-btn:hover {
  background-color: #f9f9f9;
}

.danger-btn {
  background-color: #fee2e2;
  color: #dc2626;
  width: 100%;
  margin-top: 12px;
}

.danger-btn:hover {
  background-color: #fecaca;
}

/* File Upload */
.file-upload {
  display: block;
  text-align: center;
  padding: 12px;
  border: 1px dashed var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  background: #f9fafb;
  color: var(--primary-color);
  font-weight: 500;
  font-size: 0.875rem;
}
.file-upload input {
  display: none;
}
.file-upload:hover {
  background-color: #f3f4f6;
}

/* Layer List */
.layer-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: #f9fafb;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  margin-bottom: 8px;
  cursor: pointer;
}
.layer-item.active {
  border-color: var(--primary-color);
  background: #eff6ff;
}
.layer-item-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.875rem;
}