/**
 * HEAVY MACHINERY - Global Industrial Marketplace
 * Phase 2.7: Seller Profile & Supplier Experience Stylesheet
 * 
 * Visual Architecture:
 * - Light Premium Industrial Theme
 * - Background: Warm Ivory (#F8F9F6) / Clean White (#FFFFFF)
 * - Primary Brand: Deep Industrial Teal (#104E46)
 * - Typography: Deep Charcoal (#1A1D20), Secondary Stone (#5A626A)
 * - Borders: Soft Stone (#E2E5DE)
 * - Verification: Industrial Green (#15803D / #DCFCE7)
 * - Touch Targets: Minimum 44px on all interactive elements
 * - Responsive Breakpoints: 375px, 390px, 430px, 768px, 1024px, 1280px+
 */

/* ==========================================================================
   1. PAGE CONTAINER & BREADCRUMBS
   ========================================================================== */
.seller-profile-page-wrapper {
  background-color: var(--color-bg-body, #F8F9F6);
  min-height: 80vh;
  padding-bottom: 5rem;
}

.seller-breadcrumb-bar {
  background-color: var(--color-bg-surface, #FFFFFF);
  border-bottom: 1px solid var(--color-border, #E2E5DE);
  padding: 0.875rem 0;
  margin-bottom: 2rem;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
  color: var(--color-text-muted, #5A626A);
}

.breadcrumb-item a {
  color: var(--color-text-muted, #5A626A);
  text-decoration: none;
  transition: color 0.15s ease;
}

.breadcrumb-item a:hover {
  color: var(--color-primary-700, #104E46);
  text-decoration: underline;
}

.breadcrumb-separator {
  color: #9CA3AF;
  font-size: 0.75rem;
  user-select: none;
}

.breadcrumb-item.active {
  color: var(--color-text-main, #1A1D20);
  font-weight: 600;
}

/* ==========================================================================
   2. SELLER HERO BANNER
   ========================================================================== */
.seller-hero-card {
  background-color: var(--color-bg-surface, #FFFFFF);
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 8px;
  padding: 2.25rem;
  margin-bottom: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.seller-hero-top {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.seller-logo-container {
  width: 96px;
  height: 96px;
  border-radius: 8px;
  border: 1px solid var(--color-border, #E2E5DE);
  background-color: #F8F9F6;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.seller-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.seller-hero-info {
  flex: 1 1 380px;
  min-width: 0;
}

.seller-hero-badge-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-bottom: 0.75rem;
}

.badge-verified {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background-color: #DCFCE7;
  color: #15803D;
  border: 1px solid #BBF7D0;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.seller-classification-pill {
  display: inline-flex;
  align-items: center;
  background-color: #F1F3EE;
  color: var(--color-text-main, #1A1D20);
  border: 1px solid #E2E5DE;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
}

.seller-meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--color-text-muted, #5A626A);
  font-size: 0.75rem;
  font-weight: 500;
}

.seller-company-name {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text-main, #1A1D20);
  line-height: 1.2;
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.02em;
}

.seller-hero-subline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted, #5A626A);
}

.seller-location-pin {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.seller-location-pin svg {
  color: var(--color-primary-700, #104E46);
}

.seller-inventory-stat {
  color: var(--color-text-main, #1A1D20);
}

.seller-hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-self: center;
}

.btn-save-seller-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0 1.125rem;
  border: 1px solid var(--color-border, #E2E5DE);
  background-color: #FFFFFF;
  color: var(--color-text-main, #1A1D20);
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-save-seller-action:hover {
  background-color: #F8F9F6;
  border-color: var(--color-primary-700, #104E46);
  color: var(--color-primary-700, #104E46);
}

.btn-save-seller-action.active {
  background-color: #E8F3F1;
  border-color: var(--color-primary-700, #104E46);
  color: var(--color-primary-700, #104E46);
}

/* ==========================================================================
   3. SELLER MAIN LAYOUT GRID (2 COLUMNS DESKTOP)
   ========================================================================== */
.seller-layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 2rem;
  align-items: start;
}

.seller-main-col {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  min-width: 0;
}

.seller-sidebar-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0;
}

/* ==========================================================================
   4. SEARCH WITHIN SELLER
   ========================================================================== */
.seller-search-box-wrapper {
  background-color: var(--color-bg-surface, #FFFFFF);
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 8px;
  padding: 1.125rem 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.seller-search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.seller-search-icon {
  position: absolute;
  left: 1rem;
  color: var(--color-text-muted, #5A626A);
  pointer-events: none;
}

.seller-search-input {
  width: 100%;
  min-height: 44px;
  padding: 0 2.5rem 0 2.75rem;
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 4px;
  background-color: #F8F9F6;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--color-text-main, #1A1D20);
  transition: all 0.15s ease;
}

.seller-search-input:focus {
  outline: none;
  background-color: #FFFFFF;
  border-color: var(--color-primary-700, #104E46);
  box-shadow: 0 0 0 3px rgba(16, 78, 70, 0.12);
}

.seller-search-clear-btn {
  position: absolute;
  right: 0.75rem;
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--color-text-muted, #5A626A);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: color 0.15s ease;
}

.seller-search-clear-btn:hover {
  color: var(--color-text-main, #1A1D20);
  background-color: #E2E5DE;
}

.seller-search-status-bar {
  margin-top: 0.625rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted, #5A626A);
  font-weight: 500;
}

/* ==========================================================================
   5. MACHINERY LISTINGS SECTION & GRID
   ========================================================================== */
.seller-machinery-section {
  background-color: var(--color-bg-surface, #FFFFFF);
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 8px;
  padding: 1.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.seller-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--color-border, #E2E5DE);
}

.seller-section-heading {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text-main, #1A1D20);
  margin: 0;
  letter-spacing: -0.01em;
}

.seller-count-badge {
  background-color: #E8F3F1;
  color: var(--color-primary-700, #104E46);
  border: 1px solid #B5D6D1;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
}

.seller-machines-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

/* Empty State */
.seller-empty-box {
  padding: 3.5rem 1.5rem;
  text-align: center;
  border: 1px dashed var(--color-border, #E2E5DE);
  border-radius: 6px;
  background-color: #F8F9F6;
}

.seller-empty-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-main, #1A1D20);
  margin: 1rem 0 0.5rem 0;
}

.seller-empty-sub {
  font-size: 0.875rem;
  color: var(--color-text-muted, #5A626A);
  max-width: 480px;
  margin: 0 auto 1.5rem auto;
  line-height: 1.5;
}

.seller-empty-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.875rem;
}

/* ==========================================================================
   6. COMPANY BUSINESS OVERVIEW
   ========================================================================== */
.seller-overview-section {
  background-color: var(--color-bg-surface, #FFFFFF);
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 8px;
  padding: 1.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.overview-description-box {
  margin-bottom: 1.5rem;
}

.overview-main-text {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-text-main, #1A1D20);
  margin: 0;
}

.overview-block-item {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid #EBEFE8;
}

.overview-subtitle {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted, #5A626A);
  margin: 0 0 0.75rem 0;
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  background-color: #E8F3F1;
  color: var(--color-primary-700, #104E46);
  border: 1px solid #B5D6D1;
  padding: 0.3125rem 0.6875rem;
  border-radius: 4px;
  font-size: 0.8125rem;
  font-weight: 600;
}

.tag-pill-neutral {
  background-color: #F1F3EE;
  color: var(--color-text-main, #1A1D20);
  border-color: #E2E5DE;
}

/* ==========================================================================
   7. CAPABILITIES & CATEGORIES SECTION
   ========================================================================== */
.seller-categories-section {
  background-color: var(--color-bg-surface, #FFFFFF);
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 8px;
  padding: 1.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

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

.seller-cat-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 6px;
  background-color: #F8F9F6;
  text-decoration: none;
  transition: all 0.15s ease;
}

.seller-cat-card:hover {
  background-color: #FFFFFF;
  border-color: var(--color-primary-700, #104E46);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(16, 78, 70, 0.08);
}

.seller-cat-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  background-color: #E8F3F1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.seller-cat-meta {
  flex: 1;
  min-width: 0;
}

.seller-cat-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text-main, #1A1D20);
  margin: 0 0 0.1875rem 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.seller-cat-count {
  font-size: 0.75rem;
  color: var(--color-text-muted, #5A626A);
}

.seller-cat-arrow {
  color: #9CA3AF;
  transition: transform 0.15s ease, color 0.15s ease;
}

.seller-cat-card:hover .seller-cat-arrow {
  color: var(--color-primary-700, #104E46);
  transform: translateX(2px);
}

/* ==========================================================================
   8. TRUST DOSSIER & SIDEBAR PANELS
   ========================================================================== */
.seller-trust-card {
  background-color: var(--color-bg-surface, #FFFFFF);
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.trust-card-header {
  margin-bottom: 1.125rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border, #E2E5DE);
}

.trust-eyebrow {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary-700, #104E46);
  margin-bottom: 0.25rem;
}

.trust-card-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-text-main, #1A1D20);
  margin: 0;
}

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

.trust-metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.875rem;
  padding-bottom: 0.625rem;
  border-bottom: 1px solid #F1F3EE;
}

.trust-metric-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted, #5A626A);
}

.trust-metric-value {
  font-weight: 700;
  color: var(--color-text-main, #1A1D20);
  text-align: right;
}

.trust-metric-value.text-verified {
  color: #15803D;
}

.trust-metric-value.text-neutral {
  color: var(--color-text-muted, #5A626A);
}

.trust-legal-box {
  background-color: #F8F9F6;
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 6px;
  padding: 0.875rem;
}

.trust-legal-line {
  font-size: 0.75rem;
  line-height: 1.4;
  margin-bottom: 0.375rem;
  color: var(--color-text-main, #1A1D20);
}

.trust-legal-label {
  color: var(--color-text-muted, #5A626A);
  font-weight: 600;
}

.trust-legal-val {
  font-weight: 500;
}

.trust-compliance-note {
  font-size: 0.6875rem;
  line-height: 1.4;
  color: var(--color-text-muted, #5A626A);
  margin: 0.625rem 0 0 0;
  padding-top: 0.5rem;
  border-top: 1px solid #EBEFE8;
}

/* Sidebar RFQ Box */
.seller-rfq-sidebar-box {
  background-color: #E8F3F1;
  border: 1px solid #B5D6D1;
  border-radius: 8px;
  padding: 1.5rem;
}

.rfq-sidebar-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary-700, #104E46);
  margin: 0 0 0.5rem 0;
}

.rfq-sidebar-desc {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text-main, #1A1D20);
  margin: 0 0 1.25rem 0;
}

/* Marketplace Assurance Card */
.marketplace-assurance-card {
  background-color: var(--color-bg-surface, #FFFFFF);
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 8px;
  padding: 1.25rem;
}

.assurance-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
}

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

.assurance-icon {
  color: var(--color-primary-700, #104E46);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.assurance-text {
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--color-text-muted, #5A626A);
}

.assurance-text strong {
  color: var(--color-text-main, #1A1D20);
}

/* ==========================================================================
   9. RFQ MODAL DIALOG
   ========================================================================== */
.rfq-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(26, 29, 32, 0.65);
  backdrop-filter: blur(2px);
  z-index: 1100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.rfq-modal-backdrop.show {
  display: flex;
}

.rfq-modal-dialog {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 8px;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.rfq-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-border, #E2E5DE);
}

.rfq-modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text-main, #1A1D20);
  margin: 0 0 0.25rem 0;
}

.rfq-modal-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted, #5A626A);
  margin: 0;
}

.rfq-modal-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted, #5A626A);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.rfq-modal-close-btn:hover {
  background-color: #F1F3EE;
  color: var(--color-text-main, #1A1D20);
}

.rfq-modal-body {
  padding: 1.5rem;
}

.rfq-form-group {
  margin-bottom: 1.125rem;
}

.rfq-form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-main, #1A1D20);
  margin-bottom: 0.375rem;
}

.rfq-form-control {
  width: 100%;
  min-height: 44px;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--color-text-main, #1A1D20);
  background-color: #FFFFFF;
}

.rfq-form-control:focus {
  outline: none;
  border-color: var(--color-primary-700, #104E46);
  box-shadow: 0 0 0 3px rgba(16, 78, 70, 0.12);
}

textarea.rfq-form-control {
  min-height: 80px;
  resize: vertical;
}

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

.rfq-feedback-alert {
  padding: 0.875rem;
  border-radius: 4px;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  display: none;
}

.rfq-feedback-alert.error {
  background-color: #FEE2E2;
  color: #991B1B;
  border: 1px solid #FCA5A5;
}

.rfq-feedback-alert.success {
  background-color: #DCFCE7;
  color: #15803D;
  border: 1px solid #BBF7D0;
}

.rfq-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--color-border, #E2E5DE);
  background-color: #F8F9F6;
}

/* ==========================================================================
   10. SELLER NOT FOUND STATE
   ========================================================================== */
.seller-not-found-panel {
  background-color: var(--color-bg-surface, #FFFFFF);
  border: 1px solid var(--color-border, #E2E5DE);
  border-radius: 8px;
  padding: 4rem 2rem;
  text-align: center;
  max-width: 680px;
  margin: 3rem auto;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.not-found-icon-box {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: #E8F3F1;
  color: var(--color-primary-700, #104E46);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem auto;
}

.not-found-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text-main, #1A1D20);
  margin: 0 0 0.75rem 0;
}

.not-found-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-muted, #5A626A);
  margin: 0 auto 2rem auto;
  max-width: 480px;
}

.not-found-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.875rem;
}

/* ==========================================================================
   11. RESPONSIVE BREAKPOINTS (1024px, 768px, 430px, 375px)
   ========================================================================== */
@media (max-width: 1024px) {
  .seller-layout-grid {
    grid-template-columns: 1fr;
  }
  
  .seller-sidebar-col {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }
  
  .marketplace-assurance-card {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .seller-hero-top {
    flex-direction: column;
    gap: 1.25rem;
  }

  .seller-hero-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .seller-hero-actions .btn,
  .seller-hero-actions .btn-save-seller-action {
    width: 100%;
    justify-content: center;
  }

  .seller-company-name {
    font-size: 1.5rem;
  }

  .seller-machines-grid {
    grid-template-columns: 1fr;
  }

  .seller-categories-grid {
    grid-template-columns: 1fr;
  }

  .seller-sidebar-col {
    grid-template-columns: 1fr;
  }

  .marketplace-assurance-card {
    grid-column: auto;
  }

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

  .seller-hero-card {
    padding: 1.5rem;
  }

  .seller-machinery-section,
  .seller-overview-section,
  .seller-categories-section,
  .seller-trust-card {
    padding: 1.25rem;
  }
}

@media (max-width: 430px) {
  .seller-logo-container {
    width: 72px;
    height: 72px;
  }

  .seller-company-name {
    font-size: 1.35rem;
  }

  .seller-hero-subline {
    font-size: 0.8125rem;
  }

  .not-found-panel {
    padding: 2.5rem 1rem;
  }
}