/* ═══════════════════════════════════════════════════════
   SegundaMano - Design System & Styles
   ═══════════════════════════════════════════════════════ */

:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a25;
  --bg-card-hover: #222233;
  --bg-glass: rgba(255, 255, 255, 0.03);

  --text-primary: #f0f0f5;
  --text-secondary: #9595a8;
  --text-muted: #5e5e72;

  --accent-primary: #6c5ce7;
  --accent-secondary: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.3);

  --gradient-primary: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
  --gradient-warm: linear-gradient(135deg, #fd79a8 0%, #e17055 100%);
  --gradient-bg: linear-gradient(180deg, #0a0a0f 0%, #12121a 100%);

  --border-color: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px var(--accent-glow);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ═══════ Reset & Base ═══════ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--gradient-bg);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ═══════ Header ═══════ */
.header {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: transform 0.3s ease;
}

.header-hidden {
  transform: translateY(-100%);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.logo-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #111;
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

.logo h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

.header-stats {
  display: flex;
  gap: 0.75rem;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-icon {
  font-size: 1rem;
}

/* ═══════ Search ═══════ */
.search-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 2rem 0;
}

.search-container {
  max-width: 600px;
}

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

.search-icon {
  position: absolute;
  left: 1.25rem;
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 1rem 3rem 1rem 3.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.clear-btn {
  position: absolute;
  right: 1rem;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: none;
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.clear-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

/* ═══════ Main Content ═══════ */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  min-height: 60vh;
}

/* ═══════ States ═══════ */
.state-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
  color: var(--text-secondary);
}

.state-container h2 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.state-container p {
  font-size: 0.95rem;
  max-width: 400px;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.7;
}

/* Spinner */
.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1.5rem;
}

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

/* ═══════ Messages Grid ═══════ */
.messages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

/* ═══════ Message Card ═══════ */
.message-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  animation: fadeInUp 0.4s ease-out both;
}

.message-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-image-container {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-secondary);
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card-image-container:hover .card-image {
  transform: scale(1.05);
}

.card-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.6) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card-image-container:hover .card-image-overlay {
  opacity: 1;
}

.card-zoom-icon {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  border-radius: 50%;
  color: white;
  font-size: 1.1rem;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s ease;
}

.card-image-container:hover .card-zoom-icon {
  opacity: 1;
  transform: scale(1);
}

.card-body {
  padding: 1.25rem;
}

.card-sender {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.sender-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.sender-info {
  flex: 1;
  min-width: 0;
}

.sender-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 15;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.card-text.no-image {
  -webkit-line-clamp: 25;
}

/* ═══════ Contact Button ═══════ */
.card-actions {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: linear-gradient(135deg, #25d366, #128c7e);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  justify-content: center;
}

.contact-btn:hover {
  background: linear-gradient(135deg, #22c35e, #0f7a6e);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.contact-btn .whatsapp-icon {
  flex-shrink: 0;
}

/* ═══════ Image Carousel ═══════ */
.carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-secondary);
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.4s ease;
  cursor: pointer;
}

.carousel-slide.active {
  opacity: 1;
}

.carousel-slide .card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-slide:hover .card-image {
  transform: scale(1.05);
}

.carousel-slide:hover .card-image-overlay {
  opacity: 1;
}

.carousel-slide:hover .card-zoom-icon {
  opacity: 1;
  transform: scale(1);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  font-size: 1.4rem;
  cursor: pointer;
  transition: var(--transition);
  z-index: 5;
  line-height: 1;
}

.carousel-btn:hover {
  background: rgba(0, 0, 0, 0.7);
}

.carousel-prev {
  left: 10px;
}

.carousel-next {
  right: 10px;
}

.carousel-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 5;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: 20px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: var(--transition);
}

.carousel-dot.active {
  background: white;
  transform: scale(1.3);
}

.carousel-counter {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.7);
  margin-left: 4px;
  font-weight: 500;
}

/* ═══════ Pagination ═══════ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
  padding: 1rem 0;
}

.page-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.page-btn:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.page-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.page-info {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ═══════ Modal ═══════ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
}

.modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-content img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  display: block;
  border-radius: var(--radius-md);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
  z-index: 10;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ═══════ Footer ═══════ */
.footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border-color);
  margin-top: 2rem;
}

/* ═══════ Header Actions ═══════ */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-buttons {
  display: flex;
  gap: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-icon {
  flex-shrink: 0;
}

.btn-join {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
  border: none;
}

.btn-join:hover {
  background: linear-gradient(135deg, #22c35e, #0f7a6e);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25);
}

.btn-login {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.btn-login:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  border: none;
}

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

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-danger {
  background: rgba(231, 76, 60, 0.15);
  color: #e74c3c;
  border-color: rgba(231, 76, 60, 0.3);
}

.btn-danger:hover {
  background: rgba(231, 76, 60, 0.25);
}

.btn-link {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.5rem;
  font-size: 0.85rem;
}

.btn-link:hover {
  color: var(--text-primary);
}

.btn-full {
  width: 100%;
  justify-content: center;
  padding: 0.75rem;
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
}

/* ═══════ Login / Profile Modal Panels ═══════ */
.modal-panel {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  z-index: 10;
  animation: modalFadeIn 0.3s ease;
  max-height: 90vh;
  overflow-y: auto;
}

.login-panel {
  width: 400px;
  max-width: 95vw;
}

.login-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.login-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.login-header h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.login-instructions {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 1rem;
}

.code-display {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: 0.4em;
  padding: 1rem;
  background: var(--bg-card);
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-lg);
  color: var(--accent-secondary);
  font-family: 'Courier New', monospace;
  box-shadow: 0 0 20px var(--accent-glow);
  margin: 0.75rem 0;
  user-select: all;
}

.verification-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ═══════ Form ═══════ */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.form-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.phone-input-wrapper {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.phone-input-wrapper:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.phone-prefix {
  padding: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  border-right: 1px solid var(--border-color);
  background: var(--bg-glass);
}

.phone-input-wrapper .form-input {
  border: none;
  background: transparent;
}

.phone-input-wrapper .form-input:focus {
  box-shadow: none;
}

.code-input {
  text-align: center;
  font-size: 1.5rem;
  letter-spacing: 0.5em;
  font-weight: 700;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

.form-error {
  background: rgba(231, 76, 60, 0.1);
  border: 1px solid rgba(231, 76, 60, 0.3);
  color: #e74c3c;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  margin-top: 1rem;
  text-align: center;
}

/* ═══════ Profile Panel ═══════ */
.profile-panel {
  width: 550px;
  max-width: 95vw;
}

.profile-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.profile-avatar {
  font-size: 2.5rem;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
}

.profile-phone {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.admin-badge {
  display: inline-block;
  background: linear-gradient(135deg, #f1c40f, #e67e22);
  color: #1a1a25;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  margin-top: 0.2rem;
}

.profile-section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.profile-ads-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 50vh;
  overflow-y: auto;
}

.profile-ad-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  transition: var(--transition);
}

.profile-ad-item.sold {
  opacity: 0.65;
}

.profile-ad-item:hover {
  border-color: var(--border-hover);
}

.profile-ad-info {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.profile-ad-thumb {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.profile-ad-details {
  flex: 1;
  min-width: 0;
}

.profile-ad-sender {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

.profile-ad-preview {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 0.15rem;
}

.profile-ad-meta {
  display: flex;
  gap: 0.75rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.profile-ad-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.btn-toggle-sold {
  background: rgba(46, 204, 113, 0.1);
  color: #2ecc71;
  border-color: rgba(46, 204, 113, 0.3);
}

.btn-toggle-sold:hover {
  background: rgba(46, 204, 113, 0.2);
}

.btn-edit {
  background: rgba(52, 152, 219, 0.1);
  color: #3498db;
  border-color: rgba(52, 152, 219, 0.3);
}

.btn-edit:hover {
  background: rgba(52, 152, 219, 0.2);
}

.btn-delete {
  background: rgba(231, 76, 60, 0.1);
  color: #e74c3c;
  border-color: rgba(231, 76, 60, 0.3);
}

.btn-delete:hover {
  background: rgba(231, 76, 60, 0.2);
}

.profile-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem;
  font-size: 0.9rem;
}

/* ═══════ Edit Panel ═══════ */
.edit-panel {
  width: 500px;
  max-width: 95vw;
}

.edit-panel h2 {
  margin-bottom: 1rem;
}

/* ═══════ Sold Badge ═══════ */
.message-card.sold {
  opacity: 0.7;
}

.sold-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 10;
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 10px rgba(231, 76, 60, 0.4);
}

.message-card {
  position: relative;
}

/* ═══════ Responsive ═══════ */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0 1rem;
  }

  .header-actions {
    width: 100%;
    flex-direction: column;
    gap: 0.5rem;
  }

  .header-stats {
    width: 100%;
    justify-content: flex-start;
  }

  .header-buttons {
    width: 100%;
  }

  .search-section {
    padding: 1.5rem 1rem 0;
  }

  .main-content {
    padding: 1.5rem 1rem;
  }

  .messages-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .logo h1 {
    font-size: 1.25rem;
  }

  .modal-panel {
    margin: 0 0.5rem;
  }
}

@media (max-width: 480px) {
  .stat-pill {
    padding: 0.4rem 0.75rem;
    font-size: 0.78rem;
  }

  .card-body {
    padding: 1rem;
  }

  .pagination {
    gap: 0.5rem;
  }

  .page-btn {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }

  .btn {
    font-size: 0.78rem;
    padding: 0.45rem 0.75rem;
  }

  .create-ad-panel {
    max-height: 90vh;
    width: 95vw;
  }
}

/* ═══════ Create Ad Modal ═══════ */
.create-ad-panel {
  max-width: 560px;
  width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2rem;
}

.create-ad-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-align: center;
}

.profile-top-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ─── Admin Fields ─── */
.admin-fields-banner {
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.15), rgba(253, 121, 168, 0.15));
  border: 1px solid rgba(108, 92, 231, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-secondary);
  margin-bottom: 1rem;
  text-align: center;
}

.form-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 1rem 0;
}

/* ─── Drag & Drop Zone ─── */
.drop-zone {
  border: 2px dashed var(--border-hover);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.02);
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--accent-primary);
  background: rgba(108, 92, 231, 0.08);
  box-shadow: 0 0 20px rgba(108, 92, 231, 0.15);
}

.drop-zone-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  opacity: 0.8;
}

.drop-zone-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0.25rem 0;
}

.drop-zone-link {
  color: var(--accent-secondary);
  font-weight: 600;
  text-decoration: underline;
}

.drop-zone-hint {
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
  margin-top: 0.5rem !important;
}

/* ─── Image Preview Grid ─── */
.image-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.image-preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
  animation: fadeInUp 0.3s ease-out;
}

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

.image-preview-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(231, 76, 60, 0.85);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.image-preview-remove:hover {
  background: #e74c3c;
  transform: scale(1.15);
}

/* ─── Form Fields (Create Ad) ─── */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.required {
  color: #e74c3c;
  font-weight: 700;
}

.btn-create-ad {
  margin-top: 0.5rem;
  padding: 0.85rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ═══════ How It Works Section ═══════ */
.how-it-works {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.25rem 2rem 0;
}

.how-it-works-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
}

.how-it-works-title {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.how-it-works-intro {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.how-it-works-intro strong {
  color: var(--accent-secondary);
  font-weight: 700;
}

.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.how-step {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  text-align: center;
  transition: var(--transition);
}

.how-step:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.how-step-icon {
  font-size: 1.5rem;
  margin-bottom: 0.3rem;
}

.how-step h3 {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.how-step p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.how-step p strong {
  color: var(--accent-secondary);
  font-weight: 600;
}

@media (max-width: 768px) {
  .how-it-works-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .how-it-works {
    padding: 1rem 1rem 0;
  }

  .how-it-works-container {
    padding: 1rem;
  }

  .how-it-works-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }
}