/* ════════════════════════════════════════════
   MKG Curtains AI — Design System & Custom CSS
   ════════════════════════════════════════════ */

:root {
  --bg-app: radial-gradient(circle at top, #161624 0%, #0a0a0f 100%);
  --bg-card: rgba(26, 26, 38, 0.45);
  --bg-card-hover: rgba(34, 34, 50, 0.6);
  --border-card: rgba(255, 255, 255, 0.06);
  --border-card-active: rgba(212, 175, 55, 0.5); /* Gold outline */
  
  --primary-gold: #d4af37;
  --primary-gold-dark: #b89028;
  --primary-gold-light: #f3e5ab;
  --accent-glow: rgba(212, 175, 55, 0.15);
  
  --text: #f0f0f5;
  --text-muted: #9595a5;
  --text-inverse: #0a0a0f;
  
  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-premium: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background: var(--bg-app);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* App Container */
.app-container {
  width: 100%;
  max-width: 600px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  gap: 20px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 8px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-gold-light), var(--primary-gold));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.logo-emoji {
  font-size: 24px;
}

.logo-text h1 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #ffffff, var(--primary-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text p {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Badges */
.server-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  font-weight: 600;
}

.server-badge .badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ff4d4d;
}

.server-badge.connected .badge-dot {
  background: #00e676;
  box-shadow: 0 0 8px #00e676;
}

/* Main Workspace */
.app-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Glassmorphic Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-premium);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid rgba(212, 175, 55, 0.25);
  color: var(--primary-gold);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-header h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

/* Upload Area */
.upload-area {
  position: relative;
  width: 100%;
  min-height: 180px;
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  overflow: hidden;
  transition: var(--transition);
}

.upload-area:hover, .upload-area.dragover {
  border-color: var(--primary-gold);
  background: rgba(212, 175, 55, 0.02);
  box-shadow: inset 0 0 12px var(--accent-glow);
}

.upload-area input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  pointer-events: none; /* Avoid double triggering click event */
}

.upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  text-align: center;
  padding: 24px;
}

.upload-content svg {
  color: var(--primary-gold);
  opacity: 0.8;
  margin-bottom: 4px;
  transition: var(--transition);
}

.upload-area:hover .upload-content svg {
  transform: translateY(-4px) scale(1.05);
  opacity: 1;
}

.upload-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.upload-subtitle {
  font-size: 12px;
}

/* Preview Image */
.preview-container {
  width: 100%;
  height: 240px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0d0d14;
}

.preview-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.btn-remove-img {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(10, 10, 15, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: var(--transition);
}

.btn-remove-img:hover {
  background: #ff4d4d;
  border-color: #ff4d4d;
  transform: scale(1.1);
}

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

.curtain-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: var(--transition);
  position: relative;
}

.curtain-card:hover {
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-2px);
}

.curtain-card.active {
  border-color: var(--primary-gold);
  background: rgba(212, 175, 55, 0.03);
  box-shadow: 0 0 16px rgba(212, 175, 55, 0.08);
}

.curtain-visual {
  height: 70px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.curtain-icon {
  font-size: 32px;
}

.curtain-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.curtain-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.curtain-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Radio checkmark */
.curtain-card::after {
  content: '';
  position: absolute;
  top: 10px;
  right: 10px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  transition: var(--transition);
}

.curtain-card.active::after {
  border-color: var(--primary-gold);
  background: var(--primary-gold);
  box-shadow: inset 0 0 0 2.5px rgba(10, 10, 15, 1);
}

/* Options Styles */
.options-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.option-field {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option-field label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

/* Color Palette Selector */
.color-palette {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.color-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  position: relative;
}

.color-dot:hover {
  transform: scale(1.1);
}

.color-dot.active {
  border-color: var(--primary-gold);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.color-tooltip {
  display: none;
}

.custom-color-wrap input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  outline: none;
  transition: var(--transition);
}

.custom-color-wrap input:focus {
  border-color: var(--primary-gold);
  background: rgba(255, 255, 255, 0.06);
}

/* Installation Options */
.install-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.install-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  border-radius: 30px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.install-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.install-btn.active {
  border-color: var(--primary-gold);
  color: var(--primary-gold);
  background: rgba(212, 175, 55, 0.06);
  font-weight: 600;
}

/* Advanced Configuration Panel */
.advanced-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  user-select: none;
}

.advanced-toggle:hover {
  color: var(--text);
}

.advanced-toggle .arrow {
  font-size: 10px;
  transition: var(--transition);
}

.advanced-toggle.active .arrow {
  transform: rotate(180deg);
}

.advanced-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 8px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.field select {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: var(--text);
  outline: none;
  font-family: var(--font);
  font-size: 12px;
}

.field select:focus {
  border-color: var(--primary-gold);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 30px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
  border: none;
  text-decoration: none;
}

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--primary-gold-light) 0%, var(--primary-gold) 100%);
  color: var(--text-inverse);
  padding: 16px 24px;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.25);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(212, 175, 55, 0.35);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:disabled {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  box-shadow: none;
  cursor: not-allowed;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  padding: 12px 20px;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-loading {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Result Section */
.result-display {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.result-image-wrapper {
  position: relative;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.result-image-wrapper img {
  width: 100%;
  display: block;
  object-fit: contain;
  background: #0d0d14;
}

.result-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: linear-gradient(135deg, var(--primary-gold-light), var(--primary-gold));
  color: var(--text-inverse);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.result-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.result-prompt-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.result-prompt-box label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.result-prompt-box textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 10px;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 12px;
  resize: none;
  outline: none;
}

/* History Section */
.history-section .card-header {
  justify-content: space-between;
}

.btn-clear-history {
  background: transparent;
  border: none;
  color: #ff4d4d;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.history-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.history-item {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}

.history-item:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.history-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Lightbox */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 10, 15, 0.95);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.lightbox img {
  max-width: 90%;
  max-height: 80%;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.lightbox-actions {
  margin-top: 20px;
}

/* Toast notifications */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(26, 26, 38, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid var(--primary-gold);
  color: var(--text);
  padding: 12px 24px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  z-index: 2000;
  animation: toastFade 4s forwards;
}

.toast.error {
  border-color: #ff4d4d;
}

.toast.success {
  border-color: #00e676;
}

@keyframes toastFade {
  0% { transform: translate(-50%, 20px); opacity: 0; }
  10% { transform: translate(-50%, 0); opacity: 1; }
  90% { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, -20px); opacity: 0; }
}

/* App Footer Note */
.app-footer-note {
  text-align: center;
  padding: 16px 0;
  color: var(--text-muted);
  font-size: 11px;
}

/* Responsive adjustments */
@media (max-width: 480px) {
  body {
    height: 100dvh !important;
    overflow: hidden !important;
  }

  .app-container {
    padding: 8px 10px 60px 10px !important;
    gap: 8px !important;
    height: 100dvh !important;
    overflow: hidden !important;
  }

  .app-header {
    padding-bottom: 4px !important;
  }
  
  .logo-circle {
    width: 36px !important;
    height: 36px !important;
  }
  
  .logo-emoji {
    font-size: 18px !important;
  }
  
  .logo-text h1 {
    font-size: 14px !important;
  }
  
  .logo-text p {
    font-size: 9px !important;
  }

  .app-main {
    flex: 1 !important;
    overflow-y: auto !important;
    padding-bottom: 12px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
  }

  .card {
    padding: 10px 12px !important;
    gap: 8px !important;
    border-radius: 12px !important;
  }

  .card-header {
    gap: 8px !important;
  }

  .card-header h2 {
    font-size: 13px !important;
  }

  .step-num {
    width: 22px !important;
    height: 22px !important;
    font-size: 11px !important;
  }

  /* Upload Section */
  .upload-area {
    min-height: 100px !important;
  }

  .upload-content {
    padding: 12px !important;
    gap: 6px !important;
  }

  .upload-content svg {
    width: 28px !important;
    height: 28px !important;
    margin-bottom: 0 !important;
  }

  .upload-title {
    font-size: 11.5px !important;
  }

  .preview-container {
    height: 120px !important;
  }

  /* Curtain categories grid */
  .curtain-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px !important;
  }

  .curtain-card {
    padding: 6px 8px !important;
    min-height: 34px !important;
    gap: 6px !important;
    border-radius: 6px !important;
  }

  .curtain-icon {
    font-size: 12px !important;
  }

  .curtain-name {
    font-size: 10.5px !important;
  }

  /* Option field & color palette */
  .options-group {
    gap: 10px !important;
  }

  .option-field {
    gap: 6px !important;
  }

  .option-field label {
    font-size: 10px !important;
    margin-bottom: 1px !important;
  }

  .color-palette {
    gap: 6px !important;
  }

  .color-dot {
    width: 22px !important;
    height: 22px !important;
  }

  .custom-color-wrap input {
    padding: 5px 8px !important;
    font-size: 11px !important;
    border-radius: 6px !important;
  }

  .install-options {
    gap: 6px !important;
  }

  .install-btn {
    padding: 4px 10px !important;
    font-size: 10px !important;
  }

  .advanced-toggle {
    font-size: 11px !important;
    padding: 6px 0 !important;
  }

  /* Action button */
  .action-container {
    margin-top: 4px !important;
  }

  .btn-primary {
    padding: 10px 16px !important;
    font-size: 12px !important;
    border-radius: 8px !important;
  }
}

/* ────── PWA Tabs Styles ────── */
.pwa-tabbar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 600px;
  background: rgba(20, 20, 30, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-around;
  padding: 8px 0;
  z-index: 999;
  border-radius: 16px 16px 0 0;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.4);
}

.tab-item {
  background: transparent;
  border: none;
  display: flex;
  flex-direction: row; /* Horizontal layout */
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #a89b8d; /* Muted warm color from reference image */
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 8px;
  transition: all 0.2s ease;
  flex: 1;
  position: relative;
}

/* Left indicator stripe for active tab */
.tab-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 3px;
  background: transparent;
  border-radius: 0 4px 4px 0;
  transition: all 0.2s ease;
}

.tab-item:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.tab-item.active {
  color: #e28743 !important;
  background: rgba(226, 135, 67, 0.08) !important;
}

.tab-item.active::before {
  background: #e28743 !important;
}

.tab-icon {
  font-size: 14px; /* Make icon even smaller */
  transition: all 0.2s ease;
}

.tab-label {
  font-size: 11px;
  font-weight: 600;
  transition: all 0.2s ease;
}

/* Tab Content Visibility */
.tab-content {
  display: none;
  flex-direction: column;
  gap: 12px;
}

.tab-content.active {
  display: flex;
  animation: fadeInTab 0.2s ease-out;
}

@keyframes fadeInTab {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Placeholders inside tabs */
.result-placeholder-card, .history-placeholder-card {
  padding: 40px 20px !important;
  text-align: center;
  align-items: center;
  justify-content: center;
  background: rgba(26, 26, 38, 0.3) !important;
  border: 1px dashed rgba(255, 255, 255, 0.08) !important;
}

.placeholder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  max-width: 320px;
  color: var(--text-muted);
}

.placeholder-icon {
  font-size: 40px;
  opacity: 0.7;
}

.placeholder-content h3 {
  font-size: 15px;
  color: var(--text);
  font-weight: 600;
}

.placeholder-content p {
  font-size: 12px;
  line-height: 1.4;
}

/* ────── Compact Layout Enhancements ────── */
.card {
  padding: 14px 16px !important;
  gap: 12px !important;
}

.step-num {
  width: 22px !important;
  height: 22px !important;
  font-size: 11px !important;
}

.card-header h2 {
  font-size: 13px !important;
}

/* Step 1: Upload Area Compact styling */
.upload-area {
  min-height: 110px !important;
}

.upload-content {
  padding: 12px !important;
  gap: 6px !important;
}

.upload-content svg {
  width: 32px !important;
  height: 32px !important;
}

.upload-title {
  font-size: 12px !important;
}

.upload-subtitle {
  display: none !important;
}

.preview-container {
  height: 180px !important;
}

/* Step 2: Compact Curtain Grid matching user reference image */
.curtain-grid {
  grid-template-columns: repeat(2, 1fr) !important;
  gap: 8px !important;
}

.curtain-card {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: flex-start !important;
  padding: 8px 10px !important;
  background: rgba(255, 255, 255, 0.02) !important;
  border: 1px solid rgba(255, 255, 255, 0.04) !important;
  border-radius: 8px !important;
  gap: 8px !important;
  position: relative !important;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 38px !important;
  overflow: hidden !important;
}

.curtain-card:hover {
  background: rgba(255, 255, 255, 0.04) !important;
}

/* Left indicator stripe */
.curtain-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 15%;
  height: 70%;
  width: 3px;
  background: transparent;
  border-radius: 0 4px 4px 0;
  transition: all 0.2s ease;
}

.curtain-card.active {
  background: rgba(226, 135, 67, 0.08) !important;
  border-color: rgba(226, 135, 67, 0.15) !important;
  color: #e28743 !important;
}

.curtain-card.active::before {
  background: #e28743 !important;
}

.curtain-visual {
  height: auto !important;
  width: auto !important;
  margin: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.curtain-icon {
  font-size: 14px !important; /* Make icon even smaller */
  opacity: 0.7;
  transition: all 0.2s ease;
}

.curtain-card.active .curtain-icon {
  color: #e28743 !important;
  opacity: 1;
}

.curtain-info {
  text-align: left !important;
  display: flex !important;
  align-items: center !important;
  width: calc(100% - 22px) !important;
}

.curtain-name {
  font-size: 11px !important;
  font-weight: 500 !important;
  color: #a89b8d !important; /* Muted color from reference image */
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  transition: all 0.2s ease;
}

.curtain-card.active .curtain-name {
  color: #e28743 !important; /* Golden orange from reference image */
  font-weight: 600 !important;
}

.curtain-desc {
  display: none !important;
}

.curtain-card::after {
  display: none !important;
}

/* Step 3 & Option Customizations (Desktop values, mobile uses overrides above) */
.color-dot {
  width: 26px !important;
  height: 26px !important;
}

.custom-color-wrap input {
  padding: 6px 10px !important;
  font-size: 12px !important;
}

.install-btn {
  padding: 6px 12px !important;
  font-size: 11.5px !important;
}

.option-field label {
  font-size: 11.5px !important;
}

/* Action button padding optimization */
.btn-primary {
  padding: 12px 20px !important;
  font-size: 13px !important;
}

/* Settings Button & Layout */
.btn-settings-toggle {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 20px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.btn-settings-toggle:hover {
  color: var(--primary-gold);
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-gold);
}

.btn-close-settings {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition);
  padding: 4px 8px;
}

.btn-close-settings:hover {
  color: #ff4d4d;
}

.settings-section {
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-grid-settings {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

@media (max-width: 600px) {
  .form-grid-settings {
    grid-template-columns: 1fr;
  }
}

.settings-form .field input {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  outline: none;
  transition: var(--transition);
}

.settings-form .field input:focus {
  border-color: var(--primary-gold);
  background: rgba(255, 255, 255, 0.06);
}

.settings-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.settings-status {
  font-size: 12px;
  color: var(--primary-gold);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.settings-status.show {
  opacity: 1;
}

.pb-status {
  font-size: 12px;
  font-weight: 600;
  margin-left: auto;
  padding: 4px 8px;
  border-radius: 12px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
}

.pb-status.connected {
  color: #00e676;
  border-color: rgba(0, 230, 118, 0.15);
  background: rgba(0, 230, 118, 0.04);
}

.pb-status.offline {
  color: #ff4d4d;
  border-color: rgba(255, 77, 77, 0.15);
  background: rgba(255, 77, 77, 0.04);
}

.tab-svg, .curtain-svg {
  width: 14px !important;
  height: 14px !important;
  stroke: currentColor !important;
  stroke-width: 1.8px !important;
  fill: none !important;
  display: inline-block !important;
  vertical-align: middle !important;
  transition: all 0.2s ease !important;
}

.settings-form .field select,
.settings-form .field textarea,
.settings-form .field input {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  outline: none;
  transition: var(--transition);
}

.settings-form .field select:focus,
.settings-form .field textarea:focus,
.settings-form .field input:focus {
  border-color: var(--primary-gold);
  background: rgba(255, 255, 255, 0.06);
}

.settings-form .field textarea {
  resize: vertical;
}

/* Quotation Modal Styles */
.quote-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  animation: fadeIn 0.2s ease-out;
  padding: 16px;
}

.quote-modal-content {
  background: #111116;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 1000px;
  height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-premium);
  overflow: hidden;
}

.quote-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255,255,255,0.01);
}

.quote-modal-header h2 {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-gold);
}

.quote-modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  padding: 4px 8px;
  transition: var(--transition);
}

.quote-modal-close:hover {
  color: #ff4d4d;
}

.quote-modal-body {
  flex: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  overflow: hidden;
}

@media (max-width: 850px) {
  .quote-modal-body {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }
  .quote-modal-content {
    height: 95vh;
  }
  .quote-edit-section {
    border-right: none !important;
  }
}

.quote-edit-section {
  padding: 20px;
  overflow-y: auto;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quote-preview-section {
  padding: 20px;
  background: rgba(0, 0, 0, 0.3);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.form-grid-quote {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.form-grid-quote .field input {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: var(--text);
  font-family: var(--font);
  font-size: 12.5px;
  outline: none;
  transition: var(--transition);
}

.form-grid-quote .field input:focus {
  border-color: var(--primary-gold);
  background: rgba(255,255,255,0.06);
}

/* Calc Table */
.quote-calc-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

.quote-calc-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 6px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.01);
}

.quote-calc-table td {
  padding: 6px;
  vertical-align: middle;
}

.quote-calc-table input {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  color: #fff;
  padding: 6px 8px;
  font-size: 12px;
  width: 100%;
  outline: none;
  transition: var(--transition);
}

.quote-calc-table input:focus {
  border-color: var(--primary-gold);
}

.btn-delete-row {
  background: rgba(255, 77, 77, 0.12);
  border: 1px solid rgba(255, 77, 77, 0.25);
  color: #ff4d4d;
  cursor: pointer;
  border-radius: 4px;
  padding: 6px 8px;
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-delete-row:hover {
  background: rgba(255, 77, 77, 0.25);
}

.quote-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255,255,255,0.01);
}

/* A4 Printable document styling */
.quote-print-document {
  background: #ffffff;
  color: #1b1b22;
  width: 100%;
  max-width: 595px; /* A4 width in pixels at standard DPI */
  min-height: 842px; /* A4 height in pixels */
  padding: 40px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  font-family: 'Be Vietnam Pro', 'Inter', sans-serif;
  box-sizing: border-box;
  font-size: 11.5px;
  line-height: 1.5;
  border-radius: 4px;
}

.invoice-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 762px;
}

.invoice-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.invoice-company-info {
  text-align: right;
}

.invoice-company-info h4 {
  font-size: 14px;
  color: #cda869;
  font-weight: 700;
  margin: 0 0 4px 0;
}

.invoice-company-info p {
  font-size: 10px;
  color: #555;
  margin: 2px 0;
}

.invoice-divider {
  height: 2px;
  background: linear-gradient(90deg, #cda869 0%, #1b1b22 100%);
  margin: 16px 0;
}

.invoice-title {
  font-size: 18px;
  font-weight: 800;
  color: #1a1a1a;
  text-align: center;
  margin: 12px 0 20px 0;
  letter-spacing: 1.5px;
}

.invoice-meta-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
  font-size: 11px;
  margin-bottom: 16px;
  background: #fdfbf7;
  border: 1px solid #f2e9dc;
  border-radius: 6px;
  padding: 12px;
}

.invoice-meta-grid p {
  margin: 4px 0;
}

.invoice-design-preview {
  margin-bottom: 20px;
}

.invoice-items-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: 11px;
}

.invoice-items-table th {
  background: #f5f5f7;
  color: #333;
  font-weight: 700;
  padding: 10px;
  border-top: 1px solid #ddd;
  border-bottom: 1px solid #ddd;
}

.invoice-items-table td {
  padding: 10px;
  border-bottom: 1px solid #eee;
  color: #333;
  vertical-align: middle;
}

.invoice-totals {
  align-self: flex-end;
  width: 280px;
  text-align: right;
  font-size: 11px;
  margin-bottom: 24px;
}

.invoice-totals p {
  margin: 6px 0;
  color: #555;
  display: flex;
  justify-content: space-between;
}

.invoice-totals .grand-total {
  font-size: 14px;
  font-weight: 700;
  color: #cda869;
  border-top: 1px solid #ddd;
  padding-top: 8px;
  margin-top: 8px;
}

.invoice-footer {
  margin-top: auto;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 30px;
  border-top: 1px dashed #ddd;
  padding-top: 16px;
  font-size: 10px;
}

.invoice-payment-info h5 {
  font-size: 11px;
  color: #cda869;
  font-weight: 700;
  margin: 0 0 6px 0;
}

.invoice-payment-info p {
  margin: 3px 0;
  color: #555;
}

.invoice-signature {
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

@media print {
  body * {
    visibility: hidden;
  }
  #quotePrintArea,
  #quotePrintArea * {
    visibility: visible;
  }
  #quotePrintArea {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    margin: 0;
    padding: 0;
    box-shadow: none;
    background: #fff;
    color: #000;
  }
  @page {
    size: A4 portrait;
    margin: 15mm;
  }
}