/* ============================================================
   TRADEHUB B2B — COMPONENTS
   ============================================================ */

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-body);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1;
  user-select: none;
  position: relative;
  overflow: hidden;
  min-height: 40px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-green {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-light) 100%);
  color: var(--white);
  border-color: var(--green);
  box-shadow: 0 12px 28px rgba(249, 115, 22, 0.18);
}
.btn-green:hover {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 100%);
  border-color: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(217, 94, 14, 0.24);
}
.btn-green:active { transform: translateY(0); }

.btn-dark {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-dark:hover {
  background: var(--navy-mid);
  border-color: var(--navy-mid);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border-color: var(--gray-200);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--gray-400);
  background: var(--gray-50);
}

.btn-outline-green {
  background: transparent;
  border-color: var(--green);
  color: var(--green-dark);
}
.btn-outline-green:hover {
  background: rgba(249, 115, 22, 0.10);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
}
.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--text);
}

.btn-danger {
  background: var(--error);
  color: var(--white);
  border-color: var(--error);
}
.btn-danger:hover { background: #DC2626; transform: translateY(-1px); }

.btn-warn {
  background: var(--warning);
  color: var(--white);
  border-color: var(--warning);
}
.btn-warn:hover { background: var(--green-dark); }

.btn-navy-ghost {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255, 169, 77, 0.24);
  color: rgba(255,255,255,0.8);
}
.btn-navy-ghost:hover {
  background: rgba(249, 115, 22, 0.16);
  color: var(--white);
}

/* Sizes */
.btn-xs  { padding: 5px 12px;  font-size: 12px; }
.btn-sm  { padding: 7px 16px;  font-size: 13px; }
.btn-lg  { padding: 13px 32px; font-size: 16px; }
.btn-xl  { padding: 16px 40px; font-size: 17px; }
.btn-full { width: 100%; }

/* ── FORMS ── */
.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-label .required { color: var(--error); margin-left: 2px; }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

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

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

.form-input[readonly],
.form-select[readonly] {
  background: var(--gray-50);
  cursor: default;
}

.form-textarea {
  min-height: 90px;
  resize: vertical;
  line-height: 1.5;
}

.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

@media (max-width: 600px) {
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-error-msg {
  font-size: 12px;
  color: var(--error);
  margin-top: 5px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--text-muted);
  font-size: 12px;
}

.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* Password strength indicator */
.password-strength {
  margin-top: 6px;
  display: flex;
  gap: 3px;
}

.strength-bar {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--gray-200);
  transition: background 0.2s;
}

.strength-bar.weak   { background: var(--error); }
.strength-bar.medium { background: var(--warning); }
.strength-bar.strong { background: var(--green); }
.strength-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── CARDS ── */
.card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.card-sm { padding: var(--space-4); }
.card-lg { padding: var(--space-8); }

.card-hover {
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card-hover:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
}

.card-dark {
  background: var(--navy);
  border-color: var(--navy-border);
}

.card-green {
  background: var(--green-glow);
  border-color: var(--green-border);
}

/* ── BADGES ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.badge-green   { background: var(--success-bg);  color: var(--success-text); }
.badge-red     { background: var(--error-bg);     color: var(--error-text); }
.badge-yellow  { background: var(--warning-bg);   color: var(--warning-text); }
.badge-blue    { background: var(--info-bg);      color: var(--info-text); }
.badge-gray    { background: var(--gray-100);     color: var(--gray-600); }
.badge-navy    { background: var(--navy);         color: rgba(255,255,255,0.8); }

/* ── ALERTS ── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.alert-icon { flex-shrink: 0; margin-top: 1px; font-size: 16px; }

.alert-success { background: var(--success-bg); border: 1px solid #BBF7D0; color: var(--success-text); }
.alert-error   { background: var(--error-bg);   border: 1px solid #FECACA; color: var(--error-text); }
.alert-warn    { background: var(--warning-bg); border: 1px solid #FDE68A; color: var(--warning-text); }
.alert-info    { background: var(--info-bg);    border: 1px solid #BFDBFE; color: var(--info-text); }

/* ── TABLES ── */
.table-wrap {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 640px;
}

.data-table th {
  background: var(--gray-50);
  padding: 10px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-500);
  border-bottom: 1.5px solid var(--gray-200);
  white-space: nowrap;
}

.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
  color: var(--text);
}

.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--gray-50); }

.table-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ── STATS CARDS ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

@media (max-width: 900px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr; } }

.stat-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 3px;
  height: 100%;
  background: var(--primary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.stat-card .stat-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-family: var(--font-head);
  font-size: 30px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}

.stat-card .stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

.stat-card .stat-icon {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 24px;
  opacity: 0.3;
}

/* ── MODAL ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
  animation: overlayIn 0.2s ease;
}

@keyframes overlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: modalIn 0.25s ease;
  position: relative;
}

.modal-lg { max-width: 760px; }
.modal-sm { max-width: 420px; }

@keyframes modalIn {
  from { opacity: 0; transform: translateY(-16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.modal-header h2 { font-size: 22px; }

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
  flex-shrink: 0;
  margin-left: 12px;
}

.modal-close:hover { background: var(--gray-200); }

/* ── TOAST ── */
#toast-container {
  position: fixed;
  top: calc(var(--nav-height) + 16px);
  right: 20px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 320px;
  pointer-events: none;
}

.toast {
  background: var(--navy);
  color: var(--white);
  padding: 12px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font-body);
  box-shadow: var(--shadow-xl);
  border-left: 3px solid var(--primary);
  animation: toastIn 0.25s ease;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.4;
}

.toast.toast-error   { border-left-color: var(--error); }
.toast.toast-warn    { border-left-color: var(--warning); }
.toast.toast-info    { border-left-color: var(--info); }

.toast-icon { font-size: 16px; flex-shrink: 0; }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(40px); }
}

/* ── QTY CONTROL ── */
.qty-control {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  width: fit-content;
}

.qty-btn {
  width: 38px;
  height: 38px;
  background: var(--gray-50);
  border: none;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
}

.qty-btn:hover { background: var(--gray-200); }
.qty-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.qty-value {
  padding: 0 18px;
  height: 38px;
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 15px;
  border-left: 1.5px solid var(--gray-200);
  border-right: 1.5px solid var(--gray-200);
  min-width: 60px;
  justify-content: center;
}

/* ── PAYMENT OPTIONS ── */
.payment-option {
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 10px;
  user-select: none;
}

.payment-option:hover { border-color: var(--gray-400); }

.payment-option.selected {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.payment-option-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 14px;
}

.payment-option-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
  margin-left: 28px;
  line-height: 1.5;
}

.radio-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--gray-300);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.radio-dot.checked {
  border-color: var(--primary);
  background: var(--primary);
}

.radio-dot.checked::after {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--white);
  border-radius: 50%;
}

/* ── COOKIE BANNER ── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1500;
  background: var(--navy);
  border-top: 1px solid var(--navy-border);
  padding: 16px 24px;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

.cookie-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  min-width: 200px;
}

.cookie-text strong { color: var(--white); font-size: 14px; }
.cookie-text p { color: rgba(255,255,255,0.55); font-size: 13px; margin-top: 2px; }

.cookie-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  #toast-container {
    left: 16px;
    right: 16px;
    top: calc(var(--nav-offset, var(--nav-height)) + 12px);
    max-width: none;
  }

  .toast {
    width: 100%;
    padding: 12px 14px;
  }

  .modal {
    padding: 24px 20px;
  }

  .cookie-banner {
    padding: 14px 16px;
  }

  .cookie-inner,
  .cookie-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cookie-actions .btn {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .btn,
  .form-input,
  .form-select {
    min-height: 44px;
  }

  .form-textarea {
    min-height: 110px;
  }

  .alert {
    padding: 12px 14px;
  }

  .search-overlay {
    padding: 12px 16px;
    top: var(--nav-offset, var(--nav-height));
  }

  .search-inner {
    gap: 10px;
  }

  .search-results {
    grid-template-columns: 1fr;
  }
}

/* ── PROGRESS BAR ── */
.progress-bar {
  height: 6px;
  background: var(--gray-200);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--green) 100%);
  border-radius: 3px;
  transition: width 0.4s ease;
}

/* ── TABS ── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 24px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.tab-item {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius) var(--radius) 0 0;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tab-item:hover { color: var(--navy); background: var(--gray-50); }
.tab-item.active {
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
  background: var(--off-white);
}

/* ── SEARCH OVERLAY ── */
.search-overlay {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  z-index: 900;
  background: var(--white);
  border-bottom: 1.5px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  animation: searchSlide 0.2s ease;
  padding: 16px 24px;
}

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

.search-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

#search-input {
  flex: 1;
  padding: 10px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: 16px;
  outline: none;
  transition: border-color var(--transition);
}

#search-input:focus { border-color: var(--primary); }
.search-close { color: var(--text-muted); padding: 6px; }
.search-close:hover { color: var(--text); }

.search-results {
  max-width: var(--container-max);
  margin: 12px auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 13px;
}

.search-result-item:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.search-result-emoji { font-size: 22px; }
.search-result-name { font-weight: 600; line-height: 1.3; }
.search-result-cat { font-size: 11px; color: var(--text-muted); }