/**
 * PodTalk Studio - Component Styles
 * Reusable components conforming to SKILL.md Section 8
 */

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

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

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

/* Primary Pill CTA with Brand Gradient */
.btn-primary {
  background: var(--gradient-brand);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Surface Button */
.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

/* Outline Gradient Accent Button */
.btn-outline {
  background-color: transparent;
  color: var(--color-brand-mid);
  border-color: var(--color-brand-mid);
}

.btn-outline:hover {
  background-color: rgba(168, 65, 120, 0.08);
  color: var(--color-brand-start);
}

/* Button Sizes */
.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: var(--font-size-base);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ==========================================================================
   Badges & Icon Containers
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.85rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
}

.badge-primary {
  background-color: rgba(168, 65, 120, 0.10);
  color: var(--color-brand-mid);
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.12);
  color: var(--color-slot-available);
}

.badge-danger {
  background-color: rgba(239, 68, 68, 0.12);
  color: var(--color-danger);
}

.badge-muted {
  background-color: var(--color-surface-alt);
  color: var(--color-text-muted);
}

/* Live Status Pulse Dot */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-slot-available);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Icon Badges */
.icon-badge {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(168, 65, 120, 0.09);
  color: var(--color-brand-mid);
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

.icon-badge-lg {
  width: 3.75rem;
  height: 3.75rem;
  border-radius: var(--radius-lg);
}

/* ==========================================================================
   Cards & Surfaces
   ========================================================================== */

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  position: relative;
  transition: all var(--transition-normal);
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .card {
    padding: var(--space-4);
  }
}

@media (max-width: 480px) {
  .card {
    padding: var(--space-3);
  }
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  border-color: rgba(168, 65, 120, 0.4);
  transform: translateY(-2px);
}

.card-selected {
  border-color: var(--color-brand-mid);
  box-shadow: 0 0 0 2px rgba(168, 65, 120, 0.25), var(--shadow-md);
}

/* ==========================================================================
   Header Component
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: height var(--transition-normal), background-color var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal), backdrop-filter var(--transition-normal);
}

.site-header.is-scrolled {
  height: var(--header-height-scrolled);
  background-color: var(--header-bg-scrolled);
  backdrop-filter: blur(var(--header-blur));
  -webkit-backdrop-filter: blur(var(--header-blur));
  border-bottom: 1px solid var(--color-border-brand);
  box-shadow: var(--shadow-nav);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: 100%;
  min-width: 0;
  gap: var(--space-3);
}

.header-brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast);
  flex-shrink: 1;
  min-width: 0;
}

.header-brand:hover {
  opacity: 0.9;
}

.header-logo {
  height: 40px;
  max-height: 40px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  transition: height var(--transition-normal), max-height var(--transition-normal);
}

.site-header.is-scrolled .header-logo {
  height: 34px;
  max-height: 34px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-brand-mid);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

/* Mobile Toggle Hamburger Button */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  padding: 0;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
  border-color: var(--color-brand-mid);
  background-color: var(--color-surface-alt);
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.mobile-menu-toggle.is-open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.is-open .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.is-open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Dropdown Drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  z-index: 999;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--color-border-brand);
  box-shadow: var(--shadow-xl);
  padding: var(--space-5);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
}

.site-header.is-scrolled ~ .mobile-drawer {
  top: calc(var(--header-height) - 10px);
}

.mobile-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-3) 0;
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border-subtle);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-brand-mid);
  padding-left: var(--space-2);
}

@media (max-width: 992px) {
  .site-header {
    height: var(--header-height-sm, 4.5rem);
  }

  .site-header.is-scrolled {
    height: 3.875rem;
  }

  .header-logo {
    height: 36px;
    max-height: 36px;
    max-width: 155px;
  }

  .site-header.is-scrolled .header-logo {
    height: 32px;
    max-height: 32px;
  }

  .header-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-drawer {
    display: block;
    top: var(--header-height-sm, 4.5rem);
  }

  .site-header.is-scrolled ~ .mobile-drawer {
    top: 3.875rem;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: var(--header-height-mobile, 4.5rem);
  }

  .site-header.is-scrolled {
    height: 3.875rem;
  }

  .header-inner {
    gap: var(--space-3);
  }

  .header-logo {
    height: 34px;
    max-height: 34px;
    max-width: 145px;
  }

  .site-header.is-scrolled .header-logo {
    height: 30px;
    max-height: 30px;
  }

  .header-actions {
    gap: var(--space-2);
  }

  .header-actions .btn {
    padding: 0.5rem 0.95rem;
    font-size: 0.8125rem;
    gap: 5px;
  }

  .mobile-menu-toggle {
    width: 40px;
    height: 40px;
  }

  .mobile-drawer {
    top: var(--header-height-mobile, 4.5rem);
  }

  .site-header.is-scrolled ~ .mobile-drawer {
    top: 3.875rem;
  }
}

@media (max-width: 480px) {
  .site-header {
    height: var(--header-height-mobile-sm, 4.25rem);
  }

  .site-header.is-scrolled {
    height: 3.75rem;
  }

  .header-inner {
    gap: 8px;
  }

  .header-logo {
    height: 30px;
    max-height: 30px;
    max-width: 130px;
  }

  .site-header.is-scrolled .header-logo {
    height: 26px;
    max-height: 26px;
  }

  .header-actions {
    gap: 8px;
  }

  .header-actions .btn {
    padding: 0.44rem 0.78rem;
    font-size: 0.775rem;
    gap: 4px;
  }

  .header-actions .btn .icon {
    display: none;
  }

  .mobile-menu-toggle {
    width: 38px;
    height: 38px;
  }

  .mobile-drawer {
    top: var(--header-height-mobile-sm, 4.25rem);
    padding: var(--space-4) var(--space-3);
  }

  .site-header.is-scrolled ~ .mobile-drawer {
    top: 3.75rem;
  }
}

/* ==========================================================================
   Footer Component
   ========================================================================== */

.site-footer {
  background: var(--gradient-section-footer);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1.1fr 1.1fr;
  gap: var(--space-7);
  margin-bottom: var(--space-7);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
  align-self: flex-start;
}

.footer-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
  max-width: 360px;
}

.footer-social-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-xs);
}

.social-link:hover {
  color: var(--color-brand-mid);
  border-color: var(--color-brand-mid);
  background-color: var(--color-surface-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.social-link .icon {
  width: 1.1rem;
  height: 1.1rem;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-brand-mid);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.btn-back-to-top {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.45rem 1rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-back-to-top .icon {
  transform: rotate(-90deg);
  transition: transform var(--transition-fast);
}

.btn-back-to-top:hover {
  color: var(--color-brand-mid);
  border-color: var(--color-brand-mid);
  background: var(--color-surface-hover);
}

.btn-back-to-top:hover .icon {
  transform: rotate(-90deg) translateX(2px);
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

.form-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-brand-mid);
  box-shadow: 0 0 0 3px rgba(168, 65, 120, 0.15);
}

.form-control::placeholder {
  color: var(--color-text-light);
}

.text-uppercase {
  text-transform: uppercase;
}

.text-uppercase::placeholder {
  text-transform: none;
}

.form-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ==========================================================================
   Alerts & Notifications
   ========================================================================== */

.alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-snug);
}

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

.alert-success {
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #065F46;
}

.alert-danger {
  background-color: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #991B1B;
}

.alert-info {
  background-color: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: #1E40AF;
}

/* ==========================================================================
   Slot Picker Elements
   ========================================================================== */

.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: var(--space-3);
}

@media (max-width: 640px) {
  .slot-grid {
    grid-template-columns: repeat(auto-fill, minmax(105px, 1fr));
    gap: var(--space-2);
  }

  .slot-pill {
    padding: 0.5rem 0.4rem;
    font-size: 0.8125rem;
  }
}

@media (max-width: 380px) {
  .slot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.slot-pill {
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.slot-pill:hover {
  border-color: var(--color-brand-mid);
  background-color: var(--color-surface-hover);
}

.slot-pill.is-selected {
  background: var(--gradient-brand);
  color: var(--color-text-inverse);
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}

.slot-pill.is-booked {
  background-color: var(--color-surface-alt);
  color: var(--color-text-light);
  border-color: transparent;
  cursor: not-allowed;
  text-decoration: line-through;
}

/* ==========================================================================
   Setup & Installer View Styles
   ========================================================================== */

.setup-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-6) var(--space-4);
  background: radial-gradient(ellipse at 50% 15%, rgba(168, 65, 120, 0.09) 0%, rgba(92, 58, 130, 0.04) 40%, transparent 70%), var(--color-bg);
}

.setup-container {
  width: 100%;
  max-width: 520px;
  margin: auto;
}

.setup-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-brand-mid);
  border-radius: var(--radius-2xl);
  padding: var(--space-7) var(--space-7);
  box-shadow: 0 20px 45px -15px rgba(92, 58, 130, 0.12), 0 4px 16px rgba(0, 0, 0, 0.04);
}

.setup-header {
  margin-bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
}

.setup-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
  margin-bottom: var(--space-2);
  transition: opacity var(--transition-fast);
}

.setup-logo:hover {
  opacity: 0.85;
}

.setup-header .badge {
  align-self: center;
  display: inline-flex;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.75rem;
}

.setup-title {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-1);
}

.setup-subtitle {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-loose);
  max-width: 420px;
  margin: 0 auto;
}

.setup-form-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.setup-form-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-3);
}

.setup-form-row-equal {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

@media (max-width: 480px) {
  .setup-form-row,
  .setup-form-row-equal {
    grid-template-columns: 1fr;
  }

  .setup-card {
    padding: var(--space-5) var(--space-4);
  }
}

.setup-notice {
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.setup-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.setup-footer {
  margin-top: var(--space-5);
  text-align: center;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-4);
}

.setup-back-link {
  color: var(--color-brand-mid);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: color var(--transition-fast);
}

.setup-back-link:hover {
  color: var(--color-brand-start);
  text-decoration: underline;
}