/* =========================
   BUTTONS
========================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.btn:active { transform: scale(0.98); }

.btn-sm { padding: 8px 16px; font-size: var(--fs-small); }
.btn-lg { padding: 16px 32px; font-size: var(--fs-h4); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  color: var(--color-text-inverse);
}

.btn-secondary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-secondary:hover {
  background: var(--color-accent-light);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
}
.btn-ghost:hover {
  background: var(--color-background);
  color: var(--color-primary);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-danger {
  background: var(--color-danger);
  color: var(--color-white);
}
.btn-danger:hover {
  background: #8f2e2e;
  box-shadow: var(--shadow-md);
  color: var(--color-white);
}

.btn-icon {
  padding: 12px;
  aspect-ratio: 1 / 1;
}

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

/* =========================
   CARDS
========================= */
.card {
  background: var(--color-white);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card.card-hover:hover,
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.card-premium {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-background) 100%);
  border-color: var(--color-accent-light);
}
.card-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.card-body {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
}
.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* Product card */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.product-image {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-background), var(--color-accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--space-2);
}
.product-name {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  color: var(--color-primary);
}
.product-category {
  font-size: var(--fs-xs);
  color: var(--color-accent);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.product-price {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  color: var(--color-primary);
  margin-top: auto;
}

/* =========================
   BADGES
========================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  border-radius: var(--radius-pill);
  line-height: 1.4;
  white-space: nowrap;
}
.badge-success { background: var(--color-success-bg); color: #2B5D3A; }
.badge-warning { background: var(--color-warning-bg); color: #8A5A20; }
.badge-danger  { background: var(--color-danger-bg); color: #7A2828; }
.badge-info    { background: var(--color-info-bg); color: var(--color-primary); }
.badge-accent  { background: var(--color-accent-light); color: var(--color-primary); }

.badge-solid.badge-success { background: var(--color-success); color: #fff; }
.badge-solid.badge-warning { background: var(--color-warning); color: #fff; }
.badge-solid.badge-danger  { background: var(--color-danger); color: #fff; }
.badge-solid.badge-info    { background: var(--color-primary); color: #fff; }
.badge-solid.badge-accent  { background: var(--color-accent); color: #fff; }

.badge-outline { background: transparent; border: 1px solid currentColor; }
.badge-outline.badge-success { color: var(--color-success); }
.badge-outline.badge-warning { color: var(--color-warning); }
.badge-outline.badge-danger  { color: var(--color-danger); }
.badge-outline.badge-info    { color: var(--color-primary); }

/* =========================
   FORM FIELDS
========================= */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.field label {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text);
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--fs-body);
  font-family: var(--font-body);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201, 166, 107, 0.2);
}
.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-secondary);
}
.textarea {
  min-height: 120px;
  resize: vertical;
}
.select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B6B6B' 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");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}
.field-help {
  font-size: var(--fs-xs);
  color: var(--color-text-secondary);
}
.field-error {
  font-size: var(--fs-xs);
  color: var(--color-danger);
}

/* Floating label */
.field-floating {
  position: relative;
}
.field-floating .input {
  padding-top: 22px;
  padding-bottom: 8px;
}
.field-floating label {
  position: absolute;
  top: 14px;
  left: 16px;
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  pointer-events: none;
  transition: all var(--transition-fast);
  margin: 0;
}
.field-floating .input:focus + label,
.field-floating .input:not(:placeholder-shown) + label {
  top: 6px;
  font-size: var(--fs-xs);
  color: var(--color-accent);
}

/* =========================
   STEPPER
========================= */
.stepper {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.stepper-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}
.stepper-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
  flex-shrink: 0;
  transition: all var(--transition);
}
.stepper-label {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  font-weight: var(--fw-medium);
}
.stepper-line {
  flex: 1;
  height: 2px;
  background: var(--color-border);
  transition: background var(--transition);
}
.stepper-item.active .stepper-circle {
  background: var(--color-primary);
  color: var(--color-white);
}
.stepper-item.active .stepper-label {
  color: var(--color-primary);
}
.stepper-item.completed .stepper-circle {
  background: var(--color-accent);
  color: var(--color-white);
}
.stepper-item.completed .stepper-label {
  color: var(--color-accent);
}
.stepper-line.completed { background: var(--color-accent); }

/* =========================
   TOGGLE, RADIO, CHECKBOX
========================= */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  display: inline-block;
}
.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: var(--radius-pill);
  transition: background var(--transition-fast);
  cursor: pointer;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  background: var(--color-white);
  border-radius: 50%;
  top: 3px;
  left: 3px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}
.toggle input:checked + .toggle-slider { background: var(--color-primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

.radio-card {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-white);
}
.radio-card:hover { border-color: var(--color-accent-light); }
.radio-card input {
  margin-top: 4px;
  accent-color: var(--color-primary);
}
.radio-card:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}
.radio-card-title {
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  margin-bottom: 4px;
}
.radio-card-desc {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  user-select: none;
  font-size: var(--fs-small);
}
.checkbox input {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* =========================
   AVATAR
========================= */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
  flex-shrink: 0;
  overflow: hidden;
  font-family: var(--font-heading);
}
.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.avatar-sm { width: 32px; height: 32px; font-size: var(--fs-xs); }
.avatar-lg { width: 56px; height: 56px; font-size: var(--fs-body); }
.avatar-xl { width: 80px; height: 80px; font-size: var(--fs-h4); }

/* =========================
   TOOLTIP
========================= */
.tooltip {
  position: relative;
  display: inline-block;
}
.tooltip-content {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 10;
}
.tooltip-content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--color-primary);
}
.tooltip:hover .tooltip-content { opacity: 1; }

/* =========================
   TOAST
========================= */
.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-primary);
  min-width: 320px;
  max-width: 480px;
}
.toast-body { flex: 1; }
.toast-title {
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  margin-bottom: 2px;
}
.toast-desc {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}
.toast.toast-success { border-left-color: var(--color-success); }
.toast.toast-warning { border-left-color: var(--color-warning); }
.toast.toast-danger  { border-left-color: var(--color-danger); }

/* =========================
   TABLE
========================= */
.table-wrapper {
  overflow-x: auto;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
}
.table th {
  text-align: left;
  padding: var(--space-4) var(--space-5);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.table td {
  padding: var(--space-4) var(--space-5);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr { transition: background var(--transition-fast); }
.table tbody tr:hover { background: var(--color-surface); }

/* =========================
   HERO
========================= */
.hero {
  padding: var(--space-9) 0;
  text-align: center;
  background: linear-gradient(180deg, var(--color-background) 0%, var(--color-surface) 100%);
}
.hero h1 { margin-bottom: var(--space-4); }
.hero .subtitle {
  font-size: var(--fs-h4);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto var(--space-6);
  font-family: var(--font-body);
  font-weight: var(--fw-regular);
}

/* =========================
   LOADER / SPINNER
========================= */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
.spinner-sm { width: 20px; height: 20px; border-width: 2px; }
.spinner-lg { width: 56px; height: 56px; border-width: 4px; }