/* ==========================================================================
   DREAM OF STROKES — COLLECTOR PROFILE DASHBOARD
   Obsidian Dark Luxury Theme | Strictly Zero Gold Color
   High-Contrast Monochrome Luxury | Mobile Responsive
   ========================================================================== */

:root {
  --bg-deep: #0a0b0d;
  --bg-surface: rgba(16, 18, 25, 0.75);
  --bg-surface-elevated: rgba(22, 25, 36, 0.88);
  --bg-card: #0f1118;
  --border-line: rgba(255, 255, 255, 0.08);
  --border-line-hover: rgba(255, 255, 255, 0.22);
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body.profile-page-body {
  background-color: var(--bg-deep);
  background-image: 
    radial-gradient(circle at 50% 10%, rgba(28, 34, 48, 0.35) 0%, rgba(10, 11, 13, 0.98) 60%, #0a0b0d 100%),
    radial-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 28px 28px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.profile-page-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 100px;
}

/* ==========================================================================
   1. COLLECTOR PROFILE HERO CARD
   ========================================================================== */
.profile-hero-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 40px 44px;
  margin-bottom: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
}

.profile-hero-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
}

.profile-identity-group {
  display: flex;
  align-items: center;
  gap: 28px;
}

.profile-avatar-wrapper {
  position: relative;
  width: 96px;
  height: 96px;
  flex-shrink: 0;
}

.profile-avatar-circle {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #141722;
  border: 2px solid rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 600;
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
  letter-spacing: 0.04em;
}

.profile-status-indicator {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #22c55e;
  border: 2px solid #0a0b0d;
}

.profile-meta-details {
  display: flex;
  flex-direction: column;
}

.profile-badge-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.collector-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 9999px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #ffffff;
  font-weight: 500;
}

.vip-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 9999px;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #ffffff;
  font-weight: 600;
}

.profile-name {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 2.6vw, 2.4rem);
  font-weight: 600;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 6px;
}

.profile-subtext {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 300;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.profile-subtext span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.profile-subtext i {
  color: var(--text-tertiary);
  font-size: 0.8rem;
}

/* Hero Quick Stats */
.profile-stats-group {
  display: flex;
  align-items: center;
  gap: 28px;
  background: rgba(10, 12, 17, 0.6);
  border: 1px solid var(--border-line);
  padding: 16px 28px;
}

.profile-stat-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.profile-stat-box:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -14px;
  top: 15%;
  height: 70%;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.profile-stat-val {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 2px;
}

.profile-stat-lbl {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* ==========================================================================
   2. DASHBOARD TABS
   ========================================================================== */
.profile-tabs-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-line);
  margin-bottom: 34px;
  overflow-x: auto;
  scrollbar-width: none;
}

.profile-tabs-nav::-webkit-scrollbar {
  display: none;
}

.profile-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.25s ease;
}

.profile-tab-btn:hover {
  color: #ffffff;
}

.profile-tab-btn.is-active {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

.profile-tab-btn i {
  font-size: 0.95rem;
}

.tab-counter {
  padding: 2px 7px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #cbd5e1;
}

/* Tab Panes */
.profile-tab-pane {
  display: none;
  animation: fadeInPane 0.35s ease;
}

.profile-tab-pane.is-active {
  display: block;
}

@keyframes fadeInPane {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   3. TAB 1: ACQUIRED FINE ART COLLECTION
   ========================================================================== */
.section-tab-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-tab-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 4px;
}

.section-tab-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 300;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.collection-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.collection-card:hover {
  border-color: var(--border-line-hover);
  transform: translateY(-3px);
}

.collection-card-frame {
  height: 230px;
  position: relative;
  overflow: hidden;
  background: #0d0f15;
}

.collection-card-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.92);
  transition: transform 0.5s ease;
}

.collection-card:hover .collection-card-frame img {
  transform: scale(1.04);
}

.acquisition-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  background: rgba(10, 11, 14, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: 0.04em;
}

.collection-card-body {
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-category-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}

.card-artwork-title {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 4px;
}

.card-artist-name {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 18px;
}

.card-provenance-info {
  border-top: 1px solid var(--border-line);
  padding-top: 14px;
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.provenance-id {
  font-size: 0.74rem;
  color: var(--text-tertiary);
  font-family: monospace;
}

.btn-cert-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 6px 12px;
  border-radius: 4px;
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-cert-link:hover {
  background: #ffffff;
  color: #0a0b0d;
  border-color: #ffffff;
}

/* Concierge Banner */
.concierge-banner {
  background: rgba(18, 20, 28, 0.85);
  border: 1px solid var(--border-line);
  padding: 30px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 20px;
}

.concierge-text h4 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: 4px;
}

.concierge-text p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 300;
  margin: 0;
}

.btn-concierge-wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: #ffffff;
  color: #0a0b0d;
  border: 1px solid #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.25s ease;
}

.btn-concierge-wa:hover {
  background: #e2e8f0;
  transform: translateY(-2px);
}

/* ==========================================================================
   4. TAB 2: DIGITAL ART VAULT
   ========================================================================== */
.digital-vault-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.digital-edition-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 28px;
  display: flex;
  gap: 24px;
  transition: border-color 0.3s ease;
}

.digital-edition-card:hover {
  border-color: var(--border-line-hover);
}

.digital-thumb-frame {
  width: 140px;
  height: 140px;
  flex-shrink: 0;
  overflow: hidden;
  background: #0d0f15;
  border: 1px solid var(--border-line);
}

.digital-thumb-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.digital-edition-details {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.digital-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ffffff;
  width: fit-content;
  margin-bottom: 8px;
}

.digital-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 4px;
}

.digital-artist {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 12px;
}

.digital-spec-row {
  display: flex;
  gap: 16px;
  font-size: 0.76rem;
  color: var(--text-tertiary);
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.digital-spec-row span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.digital-action-row {
  display: flex;
  gap: 10px;
  margin-top: auto;
  flex-wrap: wrap;
}

.btn-download-master {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: #ffffff;
  border: 1px solid #ffffff;
  color: #0a0b0d;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-download-master:hover {
  background: #e2e8f0;
}

.btn-view-license {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
  font-size: 0.78rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-view-license:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   5. TAB 3: BESPOKE COMMISSION TRACKER
   ========================================================================== */
.commission-tracker-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 36px 32px;
  margin-bottom: 24px;
}

.commission-header-line {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.commission-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 4px;
}

.commission-sub {
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.commission-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #60a5fa;
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 9999px;
}

/* Progress Step Bar */
.commission-progress-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
  margin: 36px 0 28px;
}

.commission-progress-bar::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  z-index: 1;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

.step-circle {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #12141c;
  border: 2px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-bottom: 10px;
  transition: all 0.3s ease;
}

.progress-step.is-done .step-circle {
  background: #ffffff;
  border-color: #ffffff;
  color: #0a0b0d;
}

.progress-step.is-active .step-circle {
  background: #1e2230;
  border-color: #ffffff;
  color: #ffffff;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.12);
}

.step-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.progress-step.is-active .step-name {
  color: #ffffff;
  font-weight: 600;
}

.commission-notes-box {
  background: rgba(10, 11, 15, 0.65);
  border: 1px solid var(--border-line);
  padding: 20px 24px;
  margin-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.commission-notes-box p {
  font-size: 0.88rem;
  color: #cbd5e1;
  margin: 0;
}

.commission-notes-box strong {
  color: #ffffff;
}

.btn-commission-chat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: 0.8rem;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-commission-chat:hover {
  background: #ffffff;
  color: #0a0b0d;
  border-color: #ffffff;
}

/* ==========================================================================
   6. TAB 4: PROFILE & COLLECTOR PREFERENCES
   ========================================================================== */
.profile-settings-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 40px;
}

.settings-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 30px;
}

.settings-group {
  display: flex;
  flex-direction: column;
}

.settings-group.full-width {
  grid-column: 1 / -1;
}

.settings-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: #cbd5e1;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.settings-input,
.settings-textarea {
  width: 100%;
  padding: 13px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.settings-textarea {
  min-height: 90px;
  resize: vertical;
}

.settings-input:focus,
.settings-textarea:focus {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.07);
}

.settings-checkboxes-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.settings-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.settings-checkbox-label input[type="checkbox"] {
  accent-color: #ffffff;
  width: 16px;
  height: 16px;
}

.settings-footer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-line);
  padding-top: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-save-settings {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: #ffffff;
  border: 1px solid #ffffff;
  color: #0a0b0d;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-save-settings:hover {
  background: #e2e8f0;
  transform: translateY(-1px);
}

.btn-signout {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: transparent;
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
  font-size: 0.86rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-signout:hover {
  background: rgba(239, 68, 68, 0.12);
  border-color: #ef4444;
}

/* ==========================================================================
   7. CERTIFICATE OF AUTHENTICITY MODAL
   ========================================================================== */
.cert-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(6, 7, 10, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.cert-modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.cert-modal-card {
  width: 100%;
  max-width: 680px;
  background: #0d0f15;
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 44px 48px;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.95);
  position: relative;
  text-align: center;
  transform: scale(0.95) translateY(14px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cert-modal-backdrop.is-open .cert-modal-card {
  transform: scale(1) translateY(0);
}

.cert-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #141620;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.cert-modal-close:hover {
  background: #ffffff;
  color: #0a0b0d;
}

.cert-seal-icon {
  font-size: 2.8rem;
  color: #ffffff;
  margin-bottom: 12px;
}

.cert-heading {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.cert-subheading {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-tertiary);
  margin-bottom: 28px;
}

.cert-details-grid {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-line);
  padding: 24px;
  text-align: left;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 28px;
}

.cert-spec-item strong {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 2px;
}

.cert-spec-item span {
  font-size: 0.94rem;
  color: #ffffff;
  font-weight: 500;
}

.cert-sign-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 22px;
}

.cert-signature-block {
  text-align: left;
}

.cert-sign-img {
  font-family: 'Playfair Display', cursive, serif;
  font-style: italic;
  font-size: 1.35rem;
  color: #ffffff;
  margin-bottom: 2px;
}

.cert-sign-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

/* Luxury Toast Notification */
.profile-toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 10001;
  padding: 14px 22px;
  background: #12141d;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: 0.86rem;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(20px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.profile-toast.is-visible {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.profile-toast i {
  color: #22c55e;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .profile-hero-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 34px 30px;
  }

  .profile-stats-group {
    width: 100%;
    justify-content: space-around;
  }

  .collection-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .digital-vault-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .profile-page-wrapper {
    padding: 40px 18px 70px;
  }

  .profile-identity-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

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

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

  .commission-progress-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .commission-progress-bar::before {
    display: none;
  }

  .concierge-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cert-modal-card {
    padding: 32px 24px;
  }

  .cert-details-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .profile-stats-group {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .profile-stat-box:not(:last-child)::after {
    display: none;
  }

  .digital-edition-card {
    flex-direction: column;
  }

  .digital-thumb-frame {
    width: 100%;
    height: 180px;
  }
}