/* Nexuuscore Enterprise Booking Widget - Deep Slate & Emerald Palette */

:root {
  --nbw-bg: #0f172a;
  --nbw-card-bg: #020617;
  --nbw-border: rgba(255, 255, 255, 0.1);
  --nbw-accent: #047857;
  --nbw-accent-hover: #10b981;
  --nbw-accent-glow: rgba(16, 185, 129, 0.25);
  --nbw-text-primary: #ffffff;
  --nbw-text-secondary: #cbd5e1;
  --nbw-text-muted: #94a3b8;
  --nbw-font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --nbw-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Modal Overlay */
.nbw-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(12px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

/* Main Container */
.nbw-container {
  width: 100%;
  max-width: 720px;
  background: var(--nbw-bg);
  border: 1px solid var(--nbw-border);
  border-radius: 12px;
  padding: 1.15rem;
  color: var(--nbw-text-primary);
  font-family: var(--nbw-font-main);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 40px var(--nbw-accent-glow);
  position: relative;
  box-sizing: border-box;
}

.nbw-container.nbw-inline {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}

.nbw-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--nbw-text-muted);
  font-size: 1.35rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}
.nbw-close-btn:hover {
  color: #fff;
}

/* Header & Progress Bar */
.nbw-header {
  margin-bottom: 0.85rem;
}
.nbw-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.25rem 0;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.nbw-subtitle {
  font-size: 0.8rem;
  color: var(--nbw-text-muted);
  margin: 0;
}

.nbw-progress-bar {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.6rem;
}
.nbw-progress-step {
  height: 3px;
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  transition: background 0.3s;
}
.nbw-progress-step.active {
  background: linear-gradient(90deg, var(--nbw-accent), var(--nbw-accent-hover));
}

/* Section Cards */
.nbw-step-card {
  background: var(--nbw-card-bg);
  border: 1px solid var(--nbw-border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin-bottom: 0.75rem;
}
.nbw-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--nbw-text-secondary);
  margin-bottom: 0.4rem;
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Product Choice Grid */
.nbw-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.5rem;
}
.nbw-product-option {
  border: 1px solid var(--nbw-border);
  border-radius: 6px;
  padding: 0.6rem 0.65rem;
  cursor: pointer;
  background: #0f172a;
  transition: all 0.2s;
}
.nbw-product-option:hover {
  border-color: var(--nbw-accent-hover);
  box-shadow: 0 0 15px var(--nbw-accent-glow);
}
.nbw-product-option.selected {
  border-color: var(--nbw-accent-hover);
  background: rgba(4, 120, 87, 0.15);
}
.nbw-product-title {
  font-weight: 600;
  font-size: 0.82rem;
  margin-bottom: 0.15rem;
  color: var(--text-accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nbw-product-desc {
  font-size: 0.7rem;
  color: var(--nbw-text-muted);
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Time Slot Grid */
.nbw-slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(115px, 1fr));
  gap: 0.45rem;
  max-height: 130px;
  overflow-y: auto;
  padding-right: 0.25rem;
}
.nbw-slot-btn {
  height: 34px;
  background: #0f172a;
  border: 1px solid var(--nbw-border);
  border-radius: 6px;
  color: var(--nbw-text-secondary);
  font-family: var(--nbw-font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nbw-slot-btn:hover {
  border-color: var(--nbw-accent-hover);
  color: #ffffff;
  background: rgba(16, 185, 129, 0.1);
}
.nbw-slot-btn.selected {
  background: linear-gradient(135deg, var(--nbw-accent), var(--nbw-accent-hover));
  color: #ffffff;
  border-color: var(--nbw-accent-hover);
  box-shadow: 0 0 12px var(--nbw-accent-glow);
}

/* Form Inputs */
.nbw-form-group {
  margin-bottom: 1rem;
}
.nbw-input, .nbw-select, .nbw-textarea {
  width: 100%;
  background: #0f172a;
  border: 1px solid var(--nbw-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: #ffffff;
  font-size: 0.9rem;
  font-family: var(--nbw-font-main);
  box-sizing: border-box;
  outline: none;
  transition: border-color 0.2s;
}
.nbw-input:focus, .nbw-select:focus, .nbw-textarea:focus {
  border-color: var(--nbw-accent-hover);
  box-shadow: 0 0 10px var(--nbw-accent-glow);
}

/* Submit Button */
.nbw-submit-btn {
  width: 100%;
  padding: 0.9rem;
  background: linear-gradient(135deg, var(--nbw-accent), var(--nbw-accent-hover));
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.nbw-submit-btn:hover {
  filter: brightness(1.1);
}
.nbw-submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Confirmation Box */
.nbw-confirm-box {
  text-align: center;
  padding: 2rem 1rem;
}
.nbw-confirm-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: inline-block;
}

/* Error State */
.nbw-error-container {
  padding: 2rem;
  text-align: center;
  color: #ef4444;
  background: #1e1e2e; /* EXEMPT: embedded widget must render identically on third-party hosts */
  border: 1px solid #ef4444;
  border-radius: 8px;
  margin: 1rem;
}
.nbw-error-title {
  color: #ef4444 !important;
}
.nbw-error-msg {
  margin: 0;
  font-weight: 600;
}
.nbw-error-hint {
  margin: 0.5rem 0 0 0;
  font-size: 0.85rem;
  color: var(--nbw-text-muted);
}

/* Empty Horizon */
.nbw-empty-horizon {
  grid-column: 1 / -1;
  text-align: center;
  padding: 1.5rem;
  color: var(--nbw-text-muted);
}

/* Error Box */
.nbw-error-box {
  grid-column: 1 / -1;
  margin: 1.5rem 0;
  padding: 1.5rem;
  text-align: center;
}
.nbw-error-box.not-found {
  padding: 2rem 1.5rem;
}