/**
 * Component Library
 * Reusable UI components following design system specifications
 *
 * @package AIIMN
 * @since 1.0.0
 */

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--button-padding-y) var(--button-padding-x);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-button);
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-button);
  border: none;
  cursor: pointer;
  transition: var(--transition-colors), var(--transition-shadow), var(--transition-transform);
  min-height: 48px;
  white-space: nowrap;
}

/* Primary Button */
.btn-primary {
  background: var(--color-coral-base);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-coral-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-primary:active {
  background: var(--color-coral-darker);
  box-shadow: var(--shadow-sm);
  transform: translateY(0);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
}

.btn-primary:disabled {
  background: var(--color-neutral-300);
  color: var(--color-neutral-600);
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
  transform: none;
}

/* Secondary Button */
.btn-secondary {
  background: transparent;
  color: var(--color-electric-base);
  border: 2px solid var(--color-electric-base);
  padding: calc(var(--button-padding-y) - 2px) var(--button-padding-x);
}

.btn-secondary:hover {
  background: var(--color-electric-base);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:active {
  background: var(--color-electric-dark);
  border-color: var(--color-electric-dark);
  color: var(--color-white);
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  padding: var(--space-3) var(--space-4);
  text-transform: none;
  letter-spacing: var(--letter-spacing-normal);
  min-height: auto;
}

.btn-ghost:hover {
  background: var(--color-neutral-100);
  color: var(--color-text-primary);
}

.btn-ghost:active {
  background: var(--color-neutral-200);
}

/* Button Size Variants */
.btn-large {
  padding: var(--button-large-padding-y) var(--button-large-padding-x);
  font-size: var(--font-size-body-lg);
  min-height: 56px;
}

.btn-small {
  padding: var(--button-small-padding-y) var(--button-small-padding-x);
  font-size: var(--font-size-body-sm);
  min-height: 40px;
}

/* Full width mobile */
@media (max-width: 767px) {
  .btn-mobile-full {
    width: 100%;
  }
}

/* ========================================
   CARDS
   ======================================== */

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-card);
  padding: var(--card-padding);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-shadow), var(--transition-transform);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-border-medium);
}

.card-title {
  font-size: var(--font-size-h4);
  margin-bottom: var(--space-3);
}

.card-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  flex: 1;
}

.card-link {
  color: var(--color-electric-base);
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
}

.card-link:hover {
  gap: var(--space-3);
}

/* Feature Card */
.card-feature {
  text-align: center;
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-arctic-base), var(--color-electric-lightest));
  border-radius: var(--radius-xl);
  margin: 0 auto var(--space-6);
  color: var(--color-electric-base);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
}

/* Pricing Card */
.card-pricing {
  position: relative;
  text-align: center;
  padding: var(--card-padding-large);
}

.card-pricing.pricing-featured {
  border: 2px solid var(--color-electric-base);
  box-shadow: var(--shadow-xl);
  transform: scale(1.02);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: linear-gradient(135deg, var(--color-coral-base), var(--color-coral-light));
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
}

.pricing-tier {
  font-size: var(--font-size-h5);
  margin-bottom: var(--space-3);
}

.pricing-price {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--color-electric-base);
  margin-bottom: var(--space-2);
}

.price-currency {
  font-size: var(--font-size-h4);
  vertical-align: super;
}

.price-period {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-secondary);
}

.pricing-features {
  list-style: none;
  margin: var(--space-8) 0;
  text-align: left;
}

.pricing-features li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-default);
  position: relative;
  padding-left: var(--space-8);
}

.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="%2310B981"><path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd"/></svg>');
  background-size: contain;
}

/* Testimonial Card */
.card-testimonial {
  padding: var(--card-padding-large);
}

.testimonial-quote {
  font-size: var(--font-size-body-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
  position: relative;
}

.testimonial-quote::before {
  content: '"';
  font-size: 4rem;
  color: var(--color-arctic-dark);
  position: absolute;
  top: -1rem;
  left: -1rem;
  font-family: Georgia, serif;
  opacity: 0.5;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.author-name {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.author-title {
  font-size: var(--font-size-body-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.testimonial-metric {
  position: absolute;
  top: 0;
  right: 0;
  background: linear-gradient(135deg, var(--color-coral-base), var(--color-coral-light));
  color: var(--color-white);
  padding: var(--space-3) var(--space-4);
  border-radius: 0 var(--radius-card) 0 var(--radius-lg);
  text-align: center;
}

.metric-value {
  display: block;
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-bold);
  line-height: 1;
}

.metric-label {
  display: block;
  font-size: var(--font-size-body-sm);
  margin-top: var(--space-1);
  opacity: 0.9;
}

/* ========================================
   FORMS
   ======================================== */

.form-group {
  margin-bottom: var(--space-6);
}

label {
  display: block;
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

label .required {
  color: var(--color-error-base);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="password"],
input[type="number"],
input[type="search"],
textarea,
select {
  width: 100%;
  min-height: 48px;
  padding: var(--input-padding-y) var(--input-padding-x);
  font-size: var(--font-size-body);
  color: var(--color-text-primary);
  background: var(--color-white);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-input);
  transition: var(--transition-colors), var(--transition-shadow);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-tertiary);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--color-arctic-base);
}

input:disabled,
textarea:disabled,
select:disabled {
  background: var(--color-neutral-100);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Error State */
input.error,
textarea.error,
select.error {
  border-color: var(--color-border-error);
}

input.error:focus,
textarea.error:focus,
select.error:focus {
  box-shadow: 0 0 0 3px var(--color-error-light);
}

.error-message {
  display: block;
  font-size: var(--font-size-body-sm);
  color: var(--color-error-base);
  margin-top: var(--space-2);
}

/* Textarea */
textarea {
  min-height: 120px;
  resize: vertical;
  line-height: var(--line-height-relaxed);
}

/* Select */
select {
  appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="%23808080"><path fill-rule="evenodd" d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z" clip-rule="evenodd"/></svg>');
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  background-size: 20px;
  padding-right: var(--space-12);
  cursor: pointer;
}

/* Checkbox and Radio */
input[type="checkbox"],
input[type="radio"] {
  appearance: none;
  width: 20px;
  height: 20px;
  min-height: auto;
  border: 2px solid var(--color-border-medium);
  background: var(--color-white);
  cursor: pointer;
  transition: var(--transition-colors);
  margin-right: var(--space-2);
  vertical-align: middle;
}

input[type="checkbox"] {
  border-radius: var(--radius-sm);
}

input[type="radio"] {
  border-radius: var(--radius-full);
}

input[type="checkbox"]:checked,
input[type="radio"]:checked {
  background: var(--color-electric-base);
  border-color: var(--color-electric-base);
}

input[type="checkbox"]:checked {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="white"><path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd"/></svg>');
  background-size: 16px;
  background-position: center;
  background-repeat: no-repeat;
}

input[type="radio"]:checked {
  background-image: radial-gradient(circle, white 40%, transparent 40%);
}

input[type="checkbox"]:focus,
input[type="radio"]:focus {
  box-shadow: 0 0 0 3px var(--color-arctic-base);
}

/* ========================================
   BADGES & TAGS
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  border-radius: var(--radius-full);
}

.badge-new {
  background: var(--color-success-base);
  color: var(--color-white);
}

.badge-beta {
  background: var(--color-warning-base);
  color: var(--color-charcoal);
}

.badge-soon {
  background: var(--color-electric-base);
  color: var(--color-white);
}

.tag {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  background: var(--color-arctic-base);
  color: var(--color-electric-dark);
  border-radius: var(--radius-md);
  transition: var(--transition-colors);
  text-decoration: none;
}

.tag:hover {
  background: var(--color-electric-base);
  color: var(--color-white);
}

/* ========================================
   BREADCRUMBS
   ======================================== */

.breadcrumbs {
  margin-bottom: var(--space-6);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-body-sm);
  color: var(--color-text-secondary);
}

.breadcrumb-list li:not(:last-child)::after {
  content: '/';
  margin-left: var(--space-2);
  color: var(--color-neutral-400);
}

.breadcrumb-list a {
  color: var(--color-text-secondary);
  transition: var(--transition-colors);
}

.breadcrumb-list a:hover {
  color: var(--color-electric-base);
}

/* ========================================
   PAGINATION
   ======================================== */

.pagination {
  margin-top: var(--space-12);
  margin-bottom: var(--space-8);
}

.pagination-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.pagination-item {
  list-style: none;
}

.pagination-item a,
.pagination-item span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background: var(--color-white);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  transition: var(--transition-colors);
  text-decoration: none;
}

.pagination-item a:hover {
  background: var(--color-electric-base);
  color: var(--color-white);
  border-color: var(--color-electric-base);
}

.pagination-item.active a {
  background: var(--color-electric-base);
  color: var(--color-white);
  border-color: var(--color-electric-base);
}