/* ==========================================================================
   KRISHANA TECH SOLUTION - Components Stylesheet
   Buttons, Forms, Badges, Modals, Toasts, Loaders, Inner Page Banners
   ========================================================================== */

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.25;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn:disabled,
.btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: #ffffff;
  box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-slate-dark);
}

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

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

.btn-outline-primary:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-secondary {
  background-color: var(--color-bg-soft);
  color: var(--color-slate-dark);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-border);
  color: var(--color-navy);
}

.btn-white {
  background-color: #ffffff;
  color: var(--color-navy);
  box-shadow: var(--shadow-sm);
}

.btn-white:hover {
  background-color: #f8fafc;
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #ffffff;
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
  color: #ffffff;
}

.btn-danger {
  background-color: var(--color-danger);
  color: #ffffff;
}

.btn-danger:hover {
  background-color: #dc2626;
  color: #ffffff;
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

.btn-icon-only {
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   Page Hero (For Inner Pages)
   ========================================================================== */

.page-hero {
  padding: 4.5rem 0 3.5rem;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border-subtle);
  text-align: center;
}

.page-hero-title {
  margin-bottom: 1rem;
}

.page-hero-subtitle {
  font-size: 1.15rem;
  max-width: 680px;
  margin: 0 auto 1.5rem;
  color: var(--color-slate);
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-slate-light);
}

.breadcrumb a {
  color: var(--color-slate);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb-separator {
  color: var(--color-border);
}

/* ==========================================================================
   Forms & Inputs
   ========================================================================== */

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.4rem;
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 0.2rem;
}

.form-control,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--color-slate-dark);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-control::placeholder,
.form-textarea::placeholder {
  color: #94a3b8;
}

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

.form-hint {
  font-size: 0.8rem;
  color: var(--color-slate-light);
  margin-top: 0.35rem;
}

.form-error {
  font-size: 0.8rem;
  color: var(--color-danger);
  margin-top: 0.35rem;
  display: none;
}

.form-group.has-error .form-control,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: var(--color-danger);
  background-color: var(--color-danger-bg);
}

.form-group.has-error .form-error {
  display: block;
}

/* ==========================================================================
   Badges
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1;
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

.badge-warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
}

.badge-danger {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
}

.badge-neutral {
  background-color: var(--color-bg-soft);
  color: var(--color-slate-dark);
}

/* ==========================================================================
   Modals
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: 1rem;
}

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

.modal-dialog {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform var(--transition-smooth);
}

.modal-backdrop.active .modal-dialog {
  transform: scale(1);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.2rem;
  color: var(--color-navy);
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-slate-light);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-navy);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  background-color: var(--color-bg-alt);
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 3000;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  color: var(--color-slate-dark);
  min-width: 280px;
  max-width: 420px;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-smooth);
}

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

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

.toast-error {
  border-left: 4px solid var(--color-danger);
}

.toast-info {
  border-left: 4px solid var(--color-primary);
}

/* ==========================================================================
   Spinners & Skeletons
   ========================================================================== */

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-primary {
  border: 2px solid rgba(37, 99, 235, 0.2);
  border-top-color: var(--color-primary);
}

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

.skeleton {
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-navy);
  cursor: pointer;
}

.faq-chevron {
  transition: transform var(--transition-fast);
  color: var(--color-primary);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 1.5rem;
  color: var(--color-slate);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  transition: max-height 0.3s ease-in-out;
  padding: 0 1.5rem 1.25rem;
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--color-border);
}

.empty-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-bg-soft);
  color: var(--color-slate-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.empty-title {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.empty-desc {
  font-size: 0.9rem;
  color: var(--color-slate-light);
  max-width: 400px;
  margin: 0 auto;
}