/**
 * KROT AI Components
 * Custom component styles extending Bootstrap
 */

/* ==========================================================================
   Card Enhancements
   Using Bootstrap .card + glass effect
   ========================================================================== */

.card.card-glass {
  --bs-card-bg: var(--krot-glass-bg);
  --bs-card-border-color: var(--krot-glass-border);
  transition: all 0.5s ease;
}

.card.card-glass:hover {
  transform: translateY(-5px);
  --bs-card-border-color: rgba(6, 182, 212, 0.3);
  box-shadow: var(--bs-box-shadow-lg);
}

/* Card Icons */
.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--bs-border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon i {
  font-size: 26px;
  color: var(--bs-body-bg);
}

.card-icon-primary {
  background: var(--bs-primary);
}

.card-icon-secondary {
  background: var(--bs-secondary);
}

.card-icon-secondary i {
  color: #ffffff !important; /* Always white on purple */
}

.card-icon-danger-subtle {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.card-icon-danger-subtle i {
  color: var(--bs-danger);
}

.card-icon-success {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.card-icon-success i {
  color: #22c55e;
}

/* ==========================================================================
   Button Enhancements
   ========================================================================== */

/* Primary button with glow on hover */
.btn-primary {
  --bs-btn-bg: var(--bs-primary);
  --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: var(--krot-accent-light);
  --bs-btn-hover-border-color: var(--krot-accent-light);
  font-family: var(--krot-font-heading);
  font-weight: 600;
  transition: all var(--krot-transition-base);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--krot-shadow-glow-accent);
}

/* Secondary button */
.btn-secondary {
  --bs-btn-bg: var(--bs-secondary);
  --bs-btn-border-color: var(--bs-secondary);
  --bs-btn-hover-bg: var(--krot-purple-light);
  --bs-btn-hover-border-color: var(--krot-purple-light);
  font-family: var(--krot-font-heading);
  font-weight: 600;
}

/* Outline Primary */
.btn-outline-primary {
  --bs-btn-color: var(--bs-primary);
  --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: var(--bs-primary);
  --bs-btn-hover-border-color: var(--bs-primary);
  --bs-btn-hover-color: var(--bs-body-bg);
  font-weight: 500;
  transition: all var(--krot-transition-base);
}

.btn-outline-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--krot-shadow-glow-accent);
}

/* Outline Light */
.btn-outline-light {
  font-family: var(--krot-font-heading);
  font-weight: 600;
  transition: all var(--krot-transition-base);
}

.btn-outline-light:hover {
  background: rgba(139, 92, 246, 0.1);
  border-color: var(--bs-secondary);
  color: var(--krot-purple-light);
  transform: translateY(-2px);
}

/* ==========================================================================
   Timeline Component
   ========================================================================== */

.timeline {
  position: relative;
  padding: 1.25rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--krot-gradient-accent);
  border-radius: 3px;
}

.timeline-item {
  position: relative;
  padding-left: 80px;
  padding-bottom: 30px;
  display: flex;
  align-items: center;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  margin-top: -15px;
  width: 56px;
  height: 56px;
  background: var(--bs-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bs-body-bg);
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--krot-font-heading);
  box-shadow: 0 0 30px var(--krot-accent-glow);
  z-index: 1;
  flex-shrink: 0;
  transition: all var(--krot-transition-base);
}

.timeline-content {
  flex-grow: 1;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--bs-primary);
  transition: all var(--krot-transition-base);
}

.timeline-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.625rem;
}

.timeline-content p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 0;
}

.timeline-item:hover .timeline-content {
  border-color: var(--krot-accent-light);
  transform: translateX(5px);
}

.timeline-item:hover .timeline-marker {
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 0 40px var(--krot-accent-glow);
}

/* Timeline Responsive */
@media (max-width: 767.98px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    padding-left: 60px;
  }

  .timeline-marker {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .timeline-content {
    padding: 0.9375rem 1.25rem;
  }

  .timeline-content h4 {
    font-size: 1rem;
  }
}

/* ==========================================================================
   Table Enhancements
   Using Bootstrap .table + dark theme
   ========================================================================== */

.table-comparison {
  --bs-table-bg: transparent;
  border-collapse: separate;
  border-spacing: 0;
  position: relative;
  z-index: 2;
}

.table-comparison thead th {
  background: var(--krot-glass-bg-stronger);
  color: var(--bs-emphasis-color);
  font-weight: 700;
  font-size: 1rem;
  padding: 1.5rem 1rem;
  border-bottom: 1px solid var(--bs-border-color);
  vertical-align: middle;
}

.table-comparison tbody td {
  vertical-align: middle;
  font-size: 1rem;
  padding: 1.5rem 1rem;
  border-bottom: 1px solid var(--bs-border-color);
  color: var(--bs-secondary-color);
  transition: all 0.3s ease;
}

.table-comparison tbody tr {
  transition: all 0.3s ease;
}

.table-comparison tbody tr:hover {
  background: var(--bs-tertiary-bg);
}

.table-comparison tbody tr:hover td {
  color: var(--bs-emphasis-color);
}

/* Highlight column (KROT AI) */
.table-comparison th:nth-child(3),
.table-comparison td:nth-child(3) {
  background: rgba(6, 182, 212, 0.03);
  border-left: 1px solid rgba(6, 182, 212, 0.1);
  border-right: 1px solid rgba(6, 182, 212, 0.1);
}

.table-comparison th:nth-child(3) {
  background: rgba(6, 182, 212, 0.1);
  border-top: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 1.5rem 1.5rem 0 0;
}

.table-comparison tbody tr:last-child td:nth-child(3) {
  border-bottom: 1px solid rgba(6, 182, 212, 0.1);
  border-radius: 0 0 1.5rem 1.5rem;
}

/* KROT Column Glow Effect */
.krot-column-glow {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 35%; /* Matches column width */
  background: radial-gradient(ellipse at center, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  filter: blur(20px);
}

/* Badges */
.bg-accent-subtle {
  background-color: rgba(6, 182, 212, 0.15) !important;
}

.text-accent {
  color: #06b6d4 !important;
}

.text-accent-gradient {
  background: linear-gradient(135deg, #06b6d4, #22d3ee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

/* Icons */
.bi-check-circle-fill.text-accent {
  color: #06b6d4;
  filter: drop-shadow(0 0 5px rgba(6, 182, 212, 0.5));
}

.bi-x-circle-fill.text-danger {
  color: #ef4444;
  opacity: 0.7;
}

/* ==========================================================================
   Light Theme - Comparison Table Overrides
   ========================================================================== */

/* Badge "Устарело" - base style (dark theme) */
.badge-outdated {
  color: rgba(255, 255, 255, 0.7);
}

/* Table wrapper glass background */
[data-bs-theme="light"] .table-comparison thead th {
  background: rgba(241, 245, 249, 0.9);
}

/* First column - criterion names - override text-white */
[data-bs-theme="light"] .table-comparison tbody td:first-child {
  color: var(--bs-emphasis-color) !important;
}

[data-bs-theme="light"] .table-comparison tbody td:first-child.text-white {
  color: var(--bs-emphasis-color) !important;
}

/* KROT AI column - highlight cells */
[data-bs-theme="light"] .table-comparison td:nth-child(3) {
  background: rgba(8, 145, 178, 0.06);
}

[data-bs-theme="light"] .table-comparison th:nth-child(3) {
  background: rgba(8, 145, 178, 0.12);
}

/* KROT AI column text - use dark color instead of white */
[data-bs-theme="light"] .table-comparison td:nth-child(3).text-white {
  color: var(--bs-emphasis-color) !important;
}

/* KROT AI column - all inner spans get proper color (specific color classes will override) */
[data-bs-theme="light"] .table-comparison td:nth-child(3) span {
  color: var(--bs-emphasis-color);
}

/* Preserve accent gradient text */
[data-bs-theme="light"] .table-comparison td:nth-child(3) .text-accent-gradient {
  color: transparent; /* Required for gradient text */
}

/* Badge "Устарело" - light theme */
[data-bs-theme="light"] .badge-outdated {
  background-color: rgba(100, 116, 139, 0.15) !important;
  color: var(--bs-secondary-color) !important;
}

/* KROT column glow - reduce intensity in light mode */
[data-bs-theme="light"] .krot-column-glow {
  background: radial-gradient(ellipse at center, rgba(8, 145, 178, 0.08) 0%, transparent 70%);
}

/* ==========================================================================
   Accordion Enhancements
   Using Bootstrap .accordion
   ========================================================================== */

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

.accordion-item {
  background: var(--krot-glass-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 1rem !important;
  overflow: hidden;
  transition: all 0.3s ease;
}

.accordion-item:hover {
  background: var(--krot-glass-bg-stronger);
  border-color: var(--krot-accent-glow);
  transform: translateY(-2px);
  box-shadow: var(--bs-box-shadow-lg);
}

.accordion-button {
  background: transparent;
  color: var(--bs-emphasis-color);
  font-family: var(--krot-font-heading);
  font-weight: 600;
  font-size: 1.125rem;
  padding: 1.5rem;
  box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
  background: var(--krot-accent-bg-subtle);
  color: var(--krot-accent);
  border-bottom: 1px solid var(--krot-accent-glow);
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2394a3b8'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  transition: transform 0.3s ease;
  filter: none;
}

.accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2306b6d4'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  transform: rotate(-180deg);
}

.accordion-body {
  color: var(--bs-secondary-color);
  padding: 1.5rem;
  line-height: 1.6;
  font-size: 1rem;
}

/* ==========================================================================
   Pricing Cards
   ========================================================================== */

.pricing-card {
  background: var(--krot-glass-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 1.5rem;
  padding: 2.5rem 2rem;
  height: 100%;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  background: var(--krot-glass-bg-stronger);
  border-color: var(--krot-accent-glow);
  transform: translateY(-10px);
  box-shadow: var(--bs-box-shadow-lg);
}

.pricing-card.featured {
  background: var(--krot-glass-bg-stronger);
  border: 1px solid var(--krot-accent);
  box-shadow: var(--krot-shadow-glow-accent);
}

.pricing-card.featured:hover {
  box-shadow: var(--krot-shadow-glow-accent);
}

.pricing-card.featured::before {
  content: 'Рекомендуем';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--krot-gradient-accent);
  color: #fff;
  padding: 0.5rem 1.5rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 5px 15px rgba(6, 182, 212, 0.4);
  z-index: 2;
}

.pricing-card .price {
  font-family: var(--krot-font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  margin: 1rem 0;
  background: var(--krot-gradient-divider);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-card.featured .price {
  background: var(--krot-gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
  flex-grow: 1;
}

.pricing-card ul li {
  padding: 0.75rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--bs-secondary-color);
  font-size: 1rem;
  border-bottom: 1px solid var(--bs-border-color);
}

.pricing-card ul li:last-child {
  border-bottom: none;
}

.pricing-card ul li i {
  color: var(--krot-accent);
  font-size: 1.25rem;
  margin-top: -0.1rem;
  filter: drop-shadow(0 0 5px rgba(6, 182, 212, 0.4));
}

.pricing-card .btn {
  width: 100%;
  padding: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta-section {
  background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.9)),
              url("../img/cta-bg.jpg") center center;
  background-size: cover;
  background-attachment: scroll; /* Fixed causes issues on mobile */
  color: #fff; /* Always dark theme for CTA */
}

@media (min-width: 992px) {
  .cta-section {
    background-attachment: fixed;
  }
}

/* Light theme CTA */
[data-bs-theme="light"] .cta-section {
  background: linear-gradient(rgba(248, 250, 252, 0.92), rgba(241, 245, 249, 0.92)),
              url("../img/cta-bg.jpg") center center;
  background-size: cover;
  color: var(--bs-body-color);
}

[data-bs-theme="light"] .cta-section h2,
[data-bs-theme="light"] .cta-section h3,
[data-bs-theme="light"] .cta-section .h2 {
  color: var(--bs-emphasis-color);
}

/* ==========================================================================
   Form Enhancements
   ========================================================================== */

.form-control,
.form-select {
  background: var(--krot-glass-bg);
  border-color: var(--bs-border-color);
  color: var(--bs-body-color);
}

.form-control:focus,
.form-select:focus {
  background: var(--krot-glass-bg);
  border-color: var(--bs-primary);
  color: var(--bs-body-color);
  box-shadow: 0 0 0 0.25rem var(--bs-focus-ring-color);
}

.form-control::placeholder {
  color: var(--bs-secondary-color);
}

/* Form Labels */
.form-label {
  font-weight: 500;
  margin-bottom: 0.5rem;
}

/* Checkbox/Radio Custom */
.form-check-input:checked {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
}

.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem var(--bs-focus-ring-color);
}

/* ==========================================================================
   Badge Enhancements
   ========================================================================== */

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.badge-status .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: status-pulse 2s ease-in-out infinite;
}

.badge-status .status-dot-success {
  background: var(--bs-success);
}

@keyframes status-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}