/* 鍏ㄥ眬鏍峰紡 - 鐜颁唬鍖栬璁?*/
:root {
  /* 涓婚鑹插僵绯荤粺 */
  --primary-color: #17c37f;
  --primary-dark: #0f9960;
  --primary-light: #3fe6a1;
  --secondary-color: #134234;
  --success-color: #17c37f;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --info-color: #3fe6a1;
  
  /* 涓€ц壊 */
  --gray-50: #e8f3ef;
  --gray-100: #d4ebe2;
  --gray-200: #c0e3d5;
  --gray-300: #a7c7bc;
  --gray-400: #7fa596;
  --gray-500: #5c8577;
  --gray-600: #3a5f54;
  --gray-700: #2a4a40;
  --gray-800: #1d4a3d;
  --gray-900: #113329;
  
  /* 闃村奖绯荤粺 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* 鍦嗚 */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* 杩囨浮 */
  --transition: all 0.2s ease;
  --transition-fast: all 0.15s ease;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: #0f2b22;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  color: var(--gray-700);
  line-height: 1.5;
}

/* 涓诲鍣?- 淇灞呬腑闂 */
.container-fluid {
  padding: 0 !important;
  margin: 0 !important;
}

.main-container {
  height: calc(100vh - 64px);
  display: flex;
  justify-content: center;
  align-items: stretch;
  padding: 0;
  margin: 0;
  background: transparent;
}

.workspace-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

.workspace-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}




/* 瀵艰埅鏍忕編鍖?*/
.navbar {
  background: linear-gradient(90deg, #0f372c, #0b2a21) !important;
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
  min-height: 64px;
  border-bottom: 1px solid var(--gray-800);
}

.navbar-brand {
  font-weight: 600;
  font-size: 1.25rem;
  color: white !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand i {
  font-size: 1.5rem;
}

.navbar .btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white !important;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.navbar .btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* 宸︿晶杈规爮 - 鍥哄畾瀹藉害鍜屾牱寮?*/
.sidebar {
  width: 320px;
  min-width: 320px;
  max-width: 320px;
  height: 100%;
  background: #112f26;
  border-right: 1px solid var(--gray-800);
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: var(--shadow);
}

.sidebar-content {
  padding: 1.5rem;
}

/* 宸ヤ綔鍖哄煙 - 鑷€傚簲瀹藉害 */
.main-work-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #0f2b22;
  padding: 1.5rem;
  overflow-y: auto;
  overflow-x: hidden;
}

/* 鍙充晶缁撴灉闈㈡澘 - 鍥哄畾瀹藉害 */
.results-panel {
  width: 320px;
  min-width: 320px;
  max-width: 320px;
  height: 100%;
  background: #112f26;
  border-left: 1px solid var(--gray-800);
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: var(--shadow);
}

.results-content {
  padding: 1.5rem;
}

/* 鍗＄墖鏍峰紡浼樺寲 */
.card {
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  margin-bottom: 1rem;
  background: #112f26;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  background: #0d241d;
  border-bottom: 1px solid var(--gray-800);
  padding: 1rem 1.25rem;
  font-weight: 600;
    color: #4b5563;
}

.card-header h6 {
  margin: 0;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #e8f3ef;
}

.card-header i {
  color: var(--primary-color);
}

.card-body {
  padding: 1.25rem;
  color: #a7c7bc;
}

/* 涓婁紶鍖哄煙缇庡寲 */
.upload-area {
  border: 2px dashed var(--gray-700);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: #0d241d;
  position: relative;
  overflow: hidden;
}

.upload-area::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
}

.upload-area:hover {
  border-color: var(--primary-color);
  background: white;
}

.upload-area:hover::before {
  opacity: 1;
}

.upload-area.dragover {
  border-color: var(--primary-color);
  background: rgba(59, 130, 246, 0.05);
  transform: scale(1.02);
}

.upload-area i {
  font-size: 3rem;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
}

.upload-area p {
  color: #a7c7bc;
  margin: 0;
  font-size: 0.875rem;
}

.upload-text {
  margin-top: 10px;
}

/* 宸ュ叿鎸夐挳缇庡寲 */
.tool-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.tool-buttons-extended {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.tool-buttons .btn, .tool-buttons-extended .btn {
  padding: 0.625rem 0.5rem;
  font-size: 0.75rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.tool-buttons .btn::before, .tool-buttons-extended .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: currentColor;
  opacity: 0;
  transition: var(--transition);
}

.tool-buttons [data-tool="wall"],
.tool-buttons-extended [data-tool="wall"] {
  display: none !important;
}

.tool-buttons .btn:hover::before, .tool-buttons-extended .btn:hover::before {
  opacity: 0.1;
}

.tool-buttons .btn.active, .tool-buttons-extended .btn.active {
  color: white;
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.tool-buttons .btn-outline-danger.active,
.tool-buttons-extended .btn-outline-danger.active {
  background: var(--danger-color);
  border-color: var(--danger-color);
}

.tool-buttons .btn-outline-primary.active,
.tool-buttons-extended .btn-outline-primary.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.tool-buttons .btn-outline-success.active,
.tool-buttons-extended .btn-outline-success.active {
  background: var(--success-color);
  border-color: var(--success-color);
}

.tool-buttons .btn-outline-warning.active,
.tool-buttons-extended .btn-outline-warning.active {
  background: var(--warning-color);
  border-color: var(--warning-color);
}

.tool-buttons .btn-outline-info.active,
.tool-buttons-extended .btn-outline-info.active {
  background: var(--info-color);
  border-color: var(--info-color);
}

.tool-buttons .btn-outline-dark.active,
.tool-buttons-extended .btn-outline-dark.active {
  background: var(--gray-700);
  border-color: var(--gray-700);
}

/* Canvas瀹瑰櫒浼樺寲 */
.canvas-container {
  flex: none;
  background: #112f26;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.14);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}


.canvas-header {
  background: #0d241d;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--gray-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.canvas-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.canvas-header h6 {
  margin: 0;
  color: #e8f3ef;
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.layer-controls {
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    z-index: 4;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    align-items: center;
    padding: 0.35rem 0.4rem;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.06);
    backdrop-filter: blur(2px);
  }

.layer-add {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
    background: #0b0b0b;
    color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  opacity: 0.7;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.layer-add:hover {
  opacity: 1;
    background: #111111;
}

.layer-add:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.layer-list {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    align-items: center;
  }

.layer-btn {
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: #cfe5dc;
  font-size: 0.75rem;
  text-transform: none;
  cursor: pointer;
  transition: var(--transition);
}

.layer-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

.layer-btn.is-active {
  background: rgba(59, 130, 246, 0.25);
  border-color: rgba(59, 130, 246, 0.45);
  color: #e8f3ef;
}

.view-controls {
  top: 0.6rem;
  left: 0.6rem;
  flex-direction: row;
}

.canvas-controls {
  display: flex;
  gap: 0.5rem;
}

.canvas-controls .btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  background: #112f26;
  border: 1px solid var(--gray-700);
  color: #a7c7bc;
  transition: var(--transition);
}

.canvas-controls .btn:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
  transform: translateY(-1px);
}

.canvas-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(45deg, #fafbfc 25%, transparent 25%, transparent 75%, #fafbfc 75%, #fafbfc),
        linear-gradient(45deg, #fafbfc 25%, transparent 25%, transparent 75%, #fafbfc 75%, #fafbfc);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
  background-color: white;
  overflow: hidden;
}

/* 2D Canvas鏍峰紡 */
#roof-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  box-shadow: var(--shadow-lg);
  background: white;
}

/* 3D瑙嗗浘瀹瑰櫒 */
#three-container {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

/* 琛ㄥ崟鎺т欢缇庡寲 */
.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.375rem;
}

.form-control, .form-select {
  border: 2px solid var(--gray-700);
  border-radius: var(--radius);
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  transition: var(--transition);
  background: #0d241d;
  color: #e8f3ef;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  outline: none;
}

.form-control-sm {
  padding: 0.375rem 0.625rem;
  font-size: 0.8125rem;
}

/* 杈撳叆缁勭編鍖?*/
.input-group {
  position: relative;
}

.input-group-text {
  background: var(--gray-100);
  border: 2px solid var(--gray-200);
  border-right: none;
  color: var(--gray-600);
  font-size: 0.875rem;
  font-weight: 500;
}

/* 鎸夐挳鏍峰紡澧炲己 */
.btn {
  border-radius: var(--radius);
  font-weight: 500;
  transition: var(--transition);
  border: none;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-success:hover {
  background: #059669;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* 缁撴灉鏄剧ず浼樺寲 */
.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.875rem;
}

.result-item:last-child {
  border-bottom: none;
}

.result-item.total {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 2px solid var(--success-color);
  font-size: 1rem;
}

.result-item .label {
  color: var(--gray-600);
  font-weight: 500;
}

.result-item .value {
  font-weight: 600;
  color: var(--gray-800);
}

.result-item.total .value {
  color: var(--success-color);
  font-size: 1.125rem;
}

/* 鏉愭枡娓呭崟鏍峰紡 */
#materialList {
  max-height: 280px;
  overflow-y: auto;
}

.material-item {
  padding: 0.625rem;
  margin-bottom: 0.5rem;
  background: var(--gray-50);
  border-radius: var(--radius);
  transition: var(--transition);
}

.material-item:hover {
  background: var(--gray-100);
  transform: translateX(4px);
}

.material-spec {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 0.25rem;
  font-style: italic;
}

/* 灞嬭剨绾块珮搴︽樉绀烘牱寮?*/
.ridge-heights-list {
  max-height: 150px;
  overflow-y: auto;
}

.ridge-height-item {
  padding: 0.25rem 0.5rem;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  margin-bottom: 0.25rem;
  border-left: 3px solid var(--danger-color);
}

.ridge-height-item:last-child {
  margin-bottom: 0;
}

/* 姣斾緥灏轰俊鎭編鍖?*/
.scale-info {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border-radius: var(--radius);
  padding: 0.75rem;
  border-left: 4px solid var(--primary-color);
}

/* 鎸夐挳缁勭編鍖?*/
#convertTo3D {
  background: linear-gradient(135deg, var(--primary-color) 0%, #4361ee 100%);
  border: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

#convertTo3D:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

#calculate {
  background: linear-gradient(135deg, var(--success-color) 0%, #20c997 100%);
  border: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(40, 167, 69, 0.2);
}

#calculate:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

/* 鎺掔増棰勮 */
.layout-preview {
  height: 180px;
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* 鍔犺浇鎻愮ず缇庡寲 */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.loading-overlay .spinner-border {
  width: 3rem;
  height: 3rem;
  border-width: 0.3rem;
  color: var(--primary-color);
}

.loading-overlay p {
  color: white;
  margin-top: 1rem;
  font-size: 1rem;
  font-weight: 500;
}

/* 鑷畾涔夋粴鍔ㄦ潯 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* 鍝嶅簲寮忚璁?*/
@media (max-width: 1400px) {
  .sidebar, .results-panel {
    width: 280px;
    min-width: 280px;
    max-width: 280px;
  }
}

@media (max-width: 1200px) {
  .sidebar, .results-panel {
    width: 260px;
    min-width: 260px;
    max-width: 260px;
  }
  
  .main-work-area {
    padding: 1rem;
  }
}

@media (max-width: 992px) {
  .main-container {
    flex-direction: column;
    height: auto;
    min-height: calc(100vh - 64px);
  }
  
  .sidebar, .results-panel {
    width: 100%;
    max-width: 100%;
    min-width: 100%;
    max-height: 400px;
    border: none;
    border-bottom: 1px solid var(--gray-200);
  }
  
  .results-panel {
    border-left: none;
    border-top: 1px solid var(--gray-200);
  }
  
  .main-work-area {
    min-height: 600px;
  }
}

@media (max-width: 768px) {
  .navbar-brand {
    font-size: 1rem;
  }
  
  .navbar .btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
  }
  
  .navbar .btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
  }
  
  .tool-buttons {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }
  
  .canvas-container {
    min-height: 300px;
  }
}

@media (max-width: 576px) {
  .sidebar-content, .results-content {
    padding: 1rem;
  }
  
  .card-body {
    padding: 0.875rem;
  }
  
  .tool-buttons {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .main-work-area {
    padding: 0.75rem;
  }
}

/* 鍔ㄧ敾鏁堟灉 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(-20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.slide-in {
  animation: slideIn 0.3s ease-out;
}

/* 淇鍥剧墖鏄剧ず闂鐨勭壒瀹氭牱寮?*/
.canvas-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  margin: auto;
}

/* 纭繚Fabric.js canvas姝ｇ‘鏄剧ず */
.canvas-container canvas {
  display: block !important;
  margin: 0 auto;
}

/* 淇Bootstrap瑕嗙洊闂 */
.row.g-0 {
  margin: 0 !important;
}

.col-lg-3, .col-lg-6, .col-md-4, .col-md-8 {
  padding: 0 !important;
}

/* 椤圭洰瀹氬埗鎵╁睍 */
.main-container {
  display: flex;
  flex: 1;
  justify-content: stretch;
  align-items: stretch;
  width: 100%;
  gap: 0;
  overflow: hidden;
}


.canvas-wrapper canvas,
.canvas-wrapper .three-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.three-wrapper {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: stretch;
    justify-content: center;
    width: 100%;
    background: #1a1a1a;
  }

#three-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.debug-card {
  background: #112f26;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.debug-card .card-header {
  border-bottom: 1px solid var(--gray-200);
}

.debug-panel {
  margin: 0;
  background: #0f172a;
  color: #e2e8f0;
  font-family: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  font-size: 0.8rem;
  line-height: 1.5;
  padding: 1rem;
  border-radius: var(--radius-lg);
  overflow-x: auto;
  min-height: 160px;
}

.upload-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
}

.upload-actions .btn {
  width: 100%;
  white-space: normal;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
}

.upload-select-btn {
  font-size: 0.85rem;
  white-space: nowrap;
  gap: 0.4rem;
}

.upload-clear-btn {
  width: 2.5rem;
  padding: 0;
}

.upload-clear-btn .icon {
  width: 1.1rem;
  height: 1.1rem;
}

.button-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.button-group.equal-width .btn {
  flex: 1 1 0;
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #a7c7bc;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-grid .form-field {
  display: flex;
  flex-direction: column;
}

.form-field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #bfe6d8;
  margin-bottom: 0.375rem;
}

.form-field input {
  border: 2px solid var(--gray-700);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  transition: var(--transition);
  background: #0d241d;
  color: #e8f3ef;
}

.form-field input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
  outline: none;
}

.summary-metrics {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.summary-metrics .metric {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.summary-metrics .metric strong {
  font-size: 1rem;
  color: #e8f3ef;
}

.materials-summary {
  margin-bottom: 1rem;
}

.materials-summary .metric span {
  color: #a7c7bc;
}

.materials-summary .metric strong {
  color: #e8f3ef;
}

.materials-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 1.25rem;
}


.material-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.material-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
  color: #e8f3ef;
  gap: 0.75rem;
}

.material-entry__label {
  font-weight: 500;
  color: #a7c7bc;
}

.material-entry__value {
  font-weight: 600;
  color: #f8fbfa;
}

.panel-schedule {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.panel-schedule__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.panel-schedule__table th {
  text-align: left;
  color: #a7c7bc;
  font-weight: 600;
  padding-bottom: 0.5rem;
}

.panel-schedule__table td {
  padding: 0.35rem 0;
  border-top: 1px solid var(--gray-200);
  vertical-align: top;
}

.panel-schedule__table td strong {
  display: block;
  color: #f8fbfa;
  font-weight: 600;
}

.panel-schedule__table td span {
  display: block;
  font-size: 0.85rem;
  color: #c2dcd3;
}

.panel-schedule__summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: #a7c7bc;
}

.panel-schedule__summary span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.panel-schedule__tag {
  background: rgba(59, 130, 246, 0.12);
  color: var(--primary-dark);
  border-radius: 999px;
  padding: 0 0.5rem;
  font-size: 0.82rem;
}

.line-materials {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: #e8f3ef;
}

.line-materials__title {
  font-weight: 600;
  color: #a7c7bc;
}

.line-materials__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.92rem;
  color: #e8f3ef;
}

.line-materials__name {
  font-weight: 500;
  color: #a7c7bc;
}

.line-materials__detail {
  color: #f8fbfa;
  font-weight: 600;
}

@media (max-width: 992px) {
  .button-group {
    justify-content: flex-start;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}

.btn-light {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
}

.btn-light:hover {
  background: var(--gray-200);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-outline-danger,
.btn-outline-primary,
.btn-outline-success,
.btn-outline-warning,
.btn-outline-info {
  background: white;
  border: 1px solid currentColor;
  color: inherit;
}

.btn-outline-danger {
  color: var(--danger-color);
  border-color: var(--danger-color);
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-outline-success {
  color: var(--success-color);
  border-color: var(--success-color);
}

.btn-outline-warning {
  color: var(--warning-color);
  border-color: var(--warning-color);
}

.btn-outline-info {
  color: var(--info-color);
  border-color: var(--info-color);
}

.btn-outline-danger:hover,
.btn-outline-primary:hover,
.btn-outline-success:hover,
.btn-outline-warning:hover,
.btn-outline-info:hover {
  background: currentColor;
  color: white;
  box-shadow: var(--shadow);
}
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  color: white;
  font-weight: 700;
  font-size: 0.85rem;
  margin-right: 0.5rem;
}


.upload-area input[type="file"] {
  position: relative;
  display: block;
  width: 100%;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border: 1px dashed var(--gray-300);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  color: var(--gray-700);
  cursor: pointer;
  transition: var(--transition);
}

.upload-area input[type="file"][hidden] {
  display: none !important;
  margin: 0;
  padding: 0;
  border: 0;
}

.upload-area input[type="file"]:hover {
  border-color: var(--primary-color);
  background: rgba(59, 130, 246, 0.08);
}

.upload-area input[type="file"]::-webkit-file-upload-button,
.upload-area input[type="file"]::file-selector-button {
  border: none;
  background: var(--primary-color);
  color: white;
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  margin-right: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

.upload-area input[type="file"]::-webkit-file-upload-button:hover,
.upload-area input[type="file"]::file-selector-button:hover {
  background: var(--primary-dark);
}



.topbar {
  width: 100%;
  margin: 0;
  padding: 0.75rem clamp(1rem, 4vw, 2.5rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1 1 220px;
  min-width: 200px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 2 1 360px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.topbar-actions .icon-btn {
  flex: 1 1 180px;
  justify-content: center;
}

@media (min-width: 1280px) {
  .topbar {
    flex-wrap: nowrap;
  }

  .topbar-actions {
    flex-wrap: nowrap;
  }

  .topbar-actions .icon-btn {
    flex: 0 0 auto;
  }
}

.lang-toggle {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #ffffff;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  backdrop-filter: blur(10px);
}

.lang-toggle:hover,
.lang-toggle:focus {
  background: rgba(255, 255, 255, 0.28);
  border-color: rgba(255, 255, 255, 0.55);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  backdrop-filter: blur(10px);
}

.icon-btn:hover,
.icon-btn:focus {
  background: rgba(255, 255, 255, 0.32);
  border-color: rgba(255, 255, 255, 0.55);
}

.icon-btn .icon {
  width: 18px;
  height: 18px;
  display: block;
}

.icon-btn .btn-label {
  white-space: nowrap;
}

.brand-name {
  color: #ffffff;
}

.feedback-body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feedback-hint {
  color: #a7c7bc;
  font-size: 0.9rem;
  margin: 0;
}

.feedback-textarea {
  width: 100%;
  min-height: 120px;
  resize: vertical;
  background: rgba(17, 47, 38, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: #e8f3ef;
  padding: 0.75rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.feedback-textarea:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(63, 230, 161, 0.15);
}

.feedback-actions {
  display: flex;
  justify-content: flex-end;
}

.feedback-status {
  min-height: 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.feedback-status.success {
  color: var(--accent-2);
}

.feedback-status.error {
  color: var(--error);
}

.btn.is-loading {
  opacity: 0.6;
  cursor: wait;
  pointer-events: none;
}

.invite-block {
  border: 1px solid rgba(63, 230, 161, 0.2);
  border-radius: var(--radius);
  padding: 0.75rem 0.9rem;
  background: rgba(17, 47, 38, 0.4);
  margin-bottom: 0.75rem;
}

.feedback-subtitle {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  color: #e8f3ef;
}

.invite-code-display {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0.4rem 0;
}

.invite-code-label {
  color: #a7c7bc;
  font-size: 0.9rem;
}

.invite-code-value {
  color: #3fe6a1;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 1px;
}