/* ==========================================================================
   PulseTelemetry - Interactive UI Components
   ========================================================================== */

/* Tactile Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.97);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.825rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 1.85rem;
  font-size: 0.975rem;
  border-radius: var(--radius-md);
}

.btn-primary {
  background: linear-gradient(180deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  border-color: rgba(29, 78, 216, 0.8);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 2px 8px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(180deg, #1d4ed8 0%, #1e40af 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 4px 14px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-primary);
  border-color: var(--border-color);
  box-shadow: inset 0 1px 0 #ffffff, var(--shadow-xs);
}

.btn-secondary:hover {
  background: var(--bg-subtle);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
}

/* Glass Surface Cards */
.glass-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: inset 0 1px 0 #ffffff, var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

/* Status Badges */
.badge-status-ok {
  background: var(--accent-green-light);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 0.775rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.badge-method-post {
  background: #dbeafe;
  color: #1d4ed8;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.725rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
}

.badge-method-get {
  background: #dcfce7;
  color: #15803d;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.725rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
}

/* ==========================================================================
   TERMINAL WINDOW & INTERACTIVE API EXPLORER (#/docs)
   ========================================================================== */
.terminal-window {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: inset 0 1px 0 #ffffff, var(--shadow-xl);
  overflow: hidden;
  margin-bottom: 2.5rem;
  position: relative;
}

.terminal-window-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: #f8fafc;
  border-bottom: 1px solid var(--border-color);
}

.window-dots {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.window-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.window-dot.red { background: #ef4444; border: 1px solid #dc2626; }
.window-dot.yellow { background: #f59e0b; border: 1px solid #d97706; }
.window-dot.green { background: #10b981; border: 1px solid #059669; }

.window-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.api-endpoint-bar {
  display: flex;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 0.65rem 1rem;
  gap: 0.5rem;
  overflow-x: auto;
}

.api-ep-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.api-ep-btn:active {
  transform: scale(0.97);
}

.api-ep-btn:hover {
  border-color: var(--accent-blue);
  background: #ffffff;
}

.api-ep-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
  box-shadow: 0 1px 4px rgba(37, 99, 235, 0.3);
}

.api-ep-btn.active .badge-method-post,
.api-ep-btn.active .badge-method-get {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.api-explorer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 400px;
}

.api-req-col {
  padding: 1.75rem;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.api-res-col {
  padding: 1.75rem;
  background: #0f172a;
  color: #f8fafc;
  display: flex;
  flex-direction: column;
  position: relative;
}

.api-box-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.api-url-bar {
  display: flex;
  align-items: center;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  gap: 0.6rem;
}

.api-url-text {
  flex: 1;
  color: var(--text-primary);
  word-break: break-all;
}

.api-headers-preview {
  background: #f1f5f9;
  border-radius: var(--radius-xs);
  padding: 0.6rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #475569;
  margin-bottom: 1rem;
  line-height: 1.55;
  border-left: 2px solid var(--accent-blue);
}

.api-editor-area {
  width: 100%;
  flex: 1;
  min-height: 160px;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.825rem;
  padding: 0.85rem;
  color: #0f172a;
  line-height: 1.55;
  resize: vertical;
  margin-bottom: 1.25rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.api-editor-area:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.api-res-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid #334155;
}

.api-res-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-xs);
  transition: all 0.25s ease;
}

.api-res-badge.ok {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.api-res-badge.loading {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.35);
  animation: badgeBlink 0.6s infinite alternate;
}

@keyframes badgeBlink {
  from { opacity: 0.6; }
  to { opacity: 1; }
}

.api-res-pre {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.825rem;
  line-height: 1.6;
  color: #e2e8f0;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-all;
  background: #162032;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid #283548;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.api-res-pre.pulse {
  animation: resGlow 0.4s var(--spring-default);
}

@keyframes resGlow {
  0% { transform: scale(0.99); opacity: 0.7; }
  50% { transform: scale(1.01); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* SDK Tabs Card */
.sdk-tabs-card {
  background: #0f172a;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid #1e293b;
  margin-top: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.sdk-tabs-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #162032;
  padding: 0.65rem 1.25rem;
  border-bottom: 1px solid #283548;
}

.sdk-tab-buttons {
  display: flex;
  gap: 0.35rem;
}

.sdk-tab-btn {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 0.825rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition);
}

.sdk-tab-btn:hover {
  color: #ffffff;
}

.sdk-tab-btn.active {
  background: #2563eb;
  color: #ffffff;
}

.sdk-code-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.65;
  color: #e2e8f0;
  overflow-x: auto;
}

/* ==========================================================================
   STATUS TABLE (#/status)
   ========================================================================== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  background: transparent;
  padding: 0.9rem 1.25rem;
  font-weight: 700;
  font-size: 0.775rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover {
  background: rgba(248, 250, 252, 0.8);
}

/* ==========================================================================
   PRICING (#/pricing)
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 1rem;
}

.price-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  box-shadow: inset 0 1px 0 #ffffff, var(--shadow-sm);
  transition: all var(--transition);
  overflow: visible;
}

.price-card:hover {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: inset 0 1px 0 #ffffff, var(--shadow-lg);
  transform: translateY(-4px);
}

.price-card.featured {
  border-color: var(--accent-blue);
  box-shadow: inset 0 1px 0 #ffffff, 0 12px 32px -4px rgba(37, 99, 235, 0.18);
}

.price-card-badge {
  position: absolute;
  top: -13px;
  right: 1.5rem;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  font-size: 0.725rem;
  font-weight: 700;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
  z-index: 5;
  letter-spacing: 0.02em;
}

.price-title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
  letter-spacing: -0.015em;
}

.price-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  min-height: 40px;
}

.price-amount {
  font-size: 2.6rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.price-period {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.price-features {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.75rem 0 2.25rem 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.price-feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.price-feature-item svg {
  color: var(--accent-green);
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

/* ==========================================================================
   FAQ ACCORDION (Fluid Height & Spring Rotation)
   ========================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item.active {
  border-color: var(--accent-blue);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.09);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--accent-blue);
}

.faq-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.3s var(--spring-default);
  color: var(--text-muted);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--accent-blue);
}

/* Fluid Height Interpolation with CSS Grid */
.faq-answer-wrapper {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s var(--spring-default);
}

.faq-item.active .faq-answer-wrapper {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  overflow: hidden;
}

.faq-answer {
  padding: 0 1.5rem 1.35rem 1.5rem;
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   MODAL WINDOW & TRANSLUCENT SCRIM
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
  padding: 1rem;
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: #ffffff;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 440px;
  padding: 2rem;
  box-shadow: inset 0 1px 0 #ffffff, var(--shadow-xl);
  transform: scale(0.96);
  opacity: 0;
  transition: transform 0.25s var(--spring-default), opacity 0.2s ease;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-backdrop.is-open .modal-container {
  transform: scale(1);
  opacity: 1;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.2rem;
  border-radius: var(--radius-xs);
  transition: transform var(--transition), color var(--transition);
}

.modal-close:active {
  transform: scale(0.9);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-nav-toggle {
  display: flex;
  background: var(--bg-subtle);
  padding: 0.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: 1.25rem;
}

.modal-nav-btn {
  flex: 1;
  background: none;
  border: none;
  padding: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.modal-nav-btn:active {
  transform: scale(0.98);
}

.modal-nav-btn.active {
  background: #ffffff;
  color: var(--accent-blue);
  box-shadow: var(--shadow-xs);
}

.form-error-alert {
  display: none;
  background: #fff1f2;
  border: 1px solid #fecdd3;
  color: #be123c;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.form-error-alert.is-visible {
  display: block;
}

.modal-tabs {
  display: flex;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.25rem;
}

.modal-tab {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  padding-bottom: 0.5rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition);
}

.modal-tab.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.sso-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1.5rem 0 1rem 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sso-divider::before, .sso-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-color);
}

.sso-divider span {
  padding: 0 0.75rem;
}

.sso-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.btn-sso {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-sso:active {
  transform: scale(0.96);
}

.btn-sso:hover {
  background: var(--bg-subtle);
  border-color: var(--border-hover);
}

/* Toast Notification System */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: 380px;
}

.toast {
  background: #0f172a;
  color: #f8fafc;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  font-size: 0.875rem;
  line-height: 1.4;
  border-left: 4px solid var(--accent-blue);
  animation: slide-in 0.25s var(--spring-default);
}

.toast-error {
  border-left-color: var(--accent-red);
}

.toast-success {
  border-left-color: var(--accent-green);
}

@keyframes slide-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 0.85rem 0;
  z-index: 900;
  transform: translateY(100%);
  transition: transform 0.3s var(--spring-default);
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.cookie-banner-inner a {
  color: var(--accent-blue);
  text-decoration: underline;
}

@media (max-width: 992px) {
  .api-explorer-grid {
    grid-template-columns: 1fr;
  }
  .api-req-col {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}