/* ==========================================================================
   TRENDSPICK SHARED REUSABLE COMPONENTS
   Consistent Buttons, Standard Form Fields, Badges, Modals, Section Headers
   ========================================================================== */

/* ==================== 1. BUTTON SYSTEM ==================== */
.tp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 46px;
  padding: 0 var(--space-6);
  font-family: var(--font-family);
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease-in-out;
  white-space: nowrap;
  user-select: none;
}

.tp-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.tp-btn-primary {
  background-color: var(--brand-primary);
  color: var(--text-white);
  box-shadow: 0 4px 12px rgba(255, 90, 0, 0.22);
}

.tp-btn-primary:hover:not(:disabled) {
  background-color: var(--brand-primary-hover);
  box-shadow: 0 6px 16px rgba(255, 90, 0, 0.35);
  transform: translateY(-1px);
}

.tp-btn-secondary {
  background-color: var(--brand-dark);
  color: var(--text-white);
}

.tp-btn-secondary:hover:not(:disabled) {
  background-color: var(--brand-dark-secondary);
  transform: translateY(-1px);
}

.tp-btn-outline {
  background-color: transparent;
  border-color: var(--brand-border);
  color: var(--text-primary);
}

.tp-btn-outline:hover:not(:disabled) {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background-color: var(--brand-primary-light);
}

.tp-btn-sm {
  height: 36px;
  padding: 0 var(--space-3);
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
}

.tp-btn-lg {
  height: 52px;
  padding: 0 var(--space-8);
  font-size: 1rem;
  font-weight: 800;
}

.tp-btn-block {
  width: 100%;
}

.tp-link-btn {
  background: none;
  border: none;
  color: var(--brand-primary);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.15s;
}

.tp-link-btn:hover {
  color: var(--brand-primary-hover);
  text-decoration: underline;
}

/* ==================== 2. FORM FIELDS & CONTROLS ==================== */
.tp-form-group {
  margin-bottom: var(--space-5);
  display: flex;
  flex-direction: column;
  width: 100%;
}

.tp-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: #334155;
  margin-bottom: var(--space-2);
  letter-spacing: 0.01em;
}

.tp-input,
.tp-select,
.tp-textarea {
  width: 100% !important;
  display: block !important;
  box-sizing: border-box !important;
  background-color: var(--brand-surface) !important;
  border: 1.5px solid #CBD5E1 !important;
  border-radius: var(--radius-md) !important;
  padding: 0.75rem 1rem !important;
  font-family: var(--font-family) !important;
  font-size: 0.95rem !important;
  color: var(--text-primary) !important;
  outline: none !important;
  transition: border-color 0.15s ease, box-shadow 0.15s ease !important;
  line-height: 1.4 !important;
}

.tp-input {
  height: 46px !important;
}

.tp-input-sm {
  height: 38px !important;
  padding: 0.4rem 0.75rem !important;
  font-size: 0.85rem !important;
}

.tp-input::placeholder,
.tp-textarea::placeholder {
  color: var(--text-muted) !important;
}

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

.tp-select {
  height: 46px !important;
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e") !important;
  background-repeat: no-repeat !important;
  background-position: right 1rem center !important;
  background-size: 1.1em !important;
  padding-right: 2.5rem !important;
  cursor: pointer;
}

.tp-textarea {
  min-height: 96px;
  resize: vertical;
}

.tp-form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.tp-form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-5);
}

@media (max-width: 768px) {
  .tp-form-grid-2, .tp-form-grid-3 {
    grid-template-columns: 1fr;
  }
}

.tp-field-error {
  color: var(--color-danger);
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: var(--space-1);
}

/* ==================== 3. SECTION HEADERS ==================== */
.tp-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--brand-border);
}

.tp-section-title {
  font-family: var(--font-family-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--brand-dark);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-1);
}

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

/* ==================== 4. BADGES ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-hot { background: #FF5A00; color: #FFF; }
.badge-new { background: #2563EB; color: #FFF; }
.badge-sale { background: #16A34A; color: #FFF; }
.badge-trending { background: #7C3AED; color: #FFF; }
.badge-deal { background: #EA580C; color: #FFF; }

.badge-in-stock { background: var(--color-success-bg); color: var(--color-success); }
.badge-low-stock { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-out-of-stock { background: var(--color-danger-bg); color: var(--color-danger); }

/* ==================== 5. MODALS & TOAST ==================== */
.tp-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(17, 20, 23, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease-in-out;
}

.tp-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.tp-modal-card {
  background: var(--brand-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8);
  width: 100%;
  max-width: 500px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.tp-modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.tp-modal-close:hover {
  color: var(--brand-dark);
}

.tp-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--brand-dark);
  color: var(--text-white);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.tp-toast.show {
  transform: translateY(0);
  opacity: 1;
}

.tp-toast-success {
  border-left: 4px solid var(--brand-primary);
}

/* Spinner Animation */
.spin {
  animation: tp-spin 1s linear infinite;
}

@keyframes tp-spin {
  100% { transform: rotate(360deg); }
}