/* ==========================================================================
   Components — buttons, cards, badges, forms, tabs, accordion, timeline,
   progress bars, tooltips, modals, FAB, notifications
   ========================================================================== */

/* ---- Buttons ---- */
.btn {
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  border: none;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}
.btn:active {
  transform: scale(0.97);
}

.btn-gradient {
  background: var(--gradient-primary);
  background-size: 200% 200%;
  color: #fff;
  box-shadow: var(--glow-blue);
}
.btn-gradient:hover {
  background-position: 100% 0;
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -10px rgba(47, 91, 255, 0.45);
  color: #fff;
}

.btn-outline-glass {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
}
.btn-outline-glass:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
  transform: translateY(-3px);
}

.btn-white {
  background: #fff;
  color: var(--color-blue-dark);
}
.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.25);
}

.btn-sm-pill {
  padding: 0.5rem 1.1rem;
  font-size: 0.82rem;
}

.btn-lg-pill {
  padding: 1.05rem 2.25rem;
  font-size: 1.05rem;
}

.btn-icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  padding: 0;
}

/* Ripple effect */
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple-anim 0.6s var(--ease-out-quart);
  background: rgba(255, 255, 255, 0.55);
  pointer-events: none;
}
.btn-outline-glass .ripple,
.btn-white .ripple {
  background: rgba(47, 91, 255, 0.25);
}
@keyframes ripple-anim {
  to {
    transform: scale(2.6);
    opacity: 0;
  }
}

/* ---- Glass / Premium cards ---- */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.premium-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  padding: 2rem;
  height: 100%;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
}

.hover-lift:hover,
.premium-card:hover,
.glass-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--card-shadow-hover);
  border-color: color-mix(in srgb, var(--color-blue) 30%, var(--border-color));
}

/* Card tilt effect (JS adds transform via inline style/mousemove) */
.tilt-card {
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.15s ease-out, box-shadow var(--transition-base);
}

.icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--glow-blue);
  transition: transform var(--transition-base);
}
.premium-card:hover .icon-box {
  transform: rotate(-6deg) scale(1.08);
}

.icon-box.outline {
  background: color-mix(in srgb, var(--color-blue) 10%, transparent);
  color: var(--color-blue);
  box-shadow: none;
  border: 1px solid color-mix(in srgb, var(--color-blue) 25%, transparent);
}

/* ---- Badges ---- */
.badge-pill-soft {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-pill-soft.blue {
  background: color-mix(in srgb, var(--color-blue) 12%, transparent);
  color: var(--color-blue);
}
.badge-pill-soft.purple {
  background: color-mix(in srgb, var(--color-purple) 12%, transparent);
  color: var(--color-purple);
}
.badge-pill-soft.cyan {
  background: color-mix(in srgb, var(--color-cyan) 15%, transparent);
  color: #0891a8;
}
.badge-pill-soft.success {
  background: color-mix(in srgb, var(--color-success) 14%, transparent);
  color: var(--color-success);
}
.badge-pill-soft.warning {
  background: color-mix(in srgb, var(--color-warning) 16%, transparent);
  color: #b45309;
}
[data-theme="dark"] .badge-pill-soft.warning {
  color: var(--color-warning);
}

/* ---- Blinking "New / Hot / Beta" badges (small pulsing dot + label) ---- */
.badge-blink {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.22rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-blink .pulse-dot {
  width: 6px;
  height: 6px;
}
.badge-blink.badge-blink-new {
  background: color-mix(in srgb, var(--color-success) 14%, transparent);
  color: var(--color-success);
}
.badge-blink.badge-blink-new .pulse-dot,
.badge-blink.badge-blink-new .pulse-dot::after {
  background: var(--color-success);
}
.badge-blink.badge-blink-hot {
  background: color-mix(in srgb, var(--color-danger) 14%, transparent);
  color: var(--color-danger);
}
.badge-blink.badge-blink-hot .pulse-dot,
.badge-blink.badge-blink-hot .pulse-dot::after {
  background: var(--color-danger);
}
.badge-blink.badge-blink-beta {
  background: color-mix(in srgb, var(--color-purple) 14%, transparent);
  color: var(--color-purple);
}
.badge-blink.badge-blink-beta .pulse-dot,
.badge-blink.badge-blink-beta .pulse-dot::after {
  background: var(--color-purple);
}
/* Compact dot-only variant for tight spaces (nav items, list rows) — no
   label, just a small blinking indicator. */
.badge-blink-dot {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
}

/* ---- Alerts / notifications ---- */
.alert-glass {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-left: 4px solid var(--color-blue);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  backdrop-filter: blur(14px);
}
.alert-glass.success {
  border-left-color: var(--color-success);
}
.alert-glass.danger {
  border-left-color: var(--color-danger);
}

.toast-notify {
  position: fixed;
  bottom: 100px;
  right: 24px;
  z-index: var(--z-overlay);
  min-width: 280px;
  max-width: 340px;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow-hover);
  padding: 1rem 1.1rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  transform: translateY(20px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}
.toast-notify.show {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}
.toast-notify .toast-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--color-success) 15%, transparent);
  color: var(--color-success);
  flex-shrink: 0;
}
.toast-notify.error .toast-icon {
  background: color-mix(in srgb, var(--color-danger) 15%, transparent);
  color: var(--color-danger);
}

/* ---- Tooltip ---- */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--gray-900);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  pointer-events: none;
  z-index: 50;
}
[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ---- Tabs ---- */
.nx-tabs-nav {
  display: inline-flex;
  gap: 0.35rem;
  padding: 0.4rem;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  flex-wrap: wrap;
  justify-content: center;
}
.nx-tabs-nav .nx-tab-btn {
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.nx-tabs-nav .nx-tab-btn.active {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--glow-blue);
}
.nx-tab-pane {
  display: none;
  animation: fadeInUp 0.5s var(--ease-out-quart);
}
.nx-tab-pane.active {
  display: block;
}

/* ---- Accordion (FAQ) ---- */
.nx-accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.nx-accordion-item.active {
  border-color: color-mix(in srgb, var(--color-blue) 35%, var(--border-color));
  box-shadow: var(--card-shadow);
}
.nx-accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--text-primary);
}
.nx-accordion-header .acc-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-surface-alt);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: all var(--transition-base);
  color: var(--color-blue);
}
.nx-accordion-item.active .acc-icon {
  background: var(--gradient-primary);
  color: #fff;
  transform: rotate(180deg);
}
.nx-accordion-body-wrap {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}
.nx-accordion-body {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
}

/* ---- Timeline (workflow) ---- */
.nx-timeline {
  position: relative;
  padding-left: 2.5rem;
}
.nx-timeline::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--color-blue), var(--color-purple), var(--color-cyan));
}
.nx-timeline-item {
  position: relative;
  padding-bottom: 2.75rem;
}
.nx-timeline-item:last-child {
  padding-bottom: 0;
}
.nx-timeline-item::before {
  content: attr(data-step);
  position: absolute;
  left: -2.5rem;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  box-shadow: var(--glow-blue);
}

/* ---- Progress / skill bars ---- */
.nx-progress {
  width: 100%;
  height: 10px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-alt);
  overflow: hidden;
  border: 1px solid var(--border-color);
}
.nx-progress-bar {
  height: 100%;
  border-radius: var(--radius-pill);
  background: var(--gradient-primary);
  width: 0%;
  transition: width 1.4s var(--ease-out-quart);
}

/* ---- Comparison table ---- */
.nx-compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}
.nx-compare-table th,
.nx-compare-table td {
  padding: 1.1rem 1.25rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}
.nx-compare-table th:first-child,
.nx-compare-table td:first-child {
  text-align: left;
}
.nx-compare-table thead th {
  font-family: var(--font-heading);
  font-size: 1rem;
  background: var(--bg-surface-alt);
}
.nx-compare-table thead th.featured {
  background: var(--gradient-primary);
  color: #fff;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.nx-compare-table td.featured {
  background: color-mix(in srgb, var(--color-blue) 4%, transparent);
}
.nx-compare-table i.fa-check {
  color: var(--color-success);
}
.nx-compare-table i.fa-xmark {
  color: var(--gray-400);
}

/* ---- Floating Action Button ---- */
.fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  box-shadow: var(--glow-blue);
  z-index: 900;
  border: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
}
.fab.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.fab:hover {
  transform: translateY(-6px) scale(1.05);
}

.sticky-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 950;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-glass);
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.08);
}
.sticky-cta-bar.show {
  transform: translateY(0);
}

/* ---- Modal polish (Bootstrap overrides) ---- */
.modal-content.nx-modal {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glass);
  background: var(--bg-glass-strong);
  backdrop-filter: blur(24px);
  box-shadow: var(--card-shadow-hover);
}
.modal-content.nx-modal .btn-close {
  filter: var(--bs-btn-close-filter, none);
}
[data-theme="dark"] .modal-content.nx-modal .btn-close {
  filter: invert(1);
}

/* ---- Forms ---- */
.form-control-nx,
.form-select-nx {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  font-size: 0.95rem;
  color: var(--text-primary);
  width: 100%;
  transition: all var(--transition-fast);
}
.form-control-nx:focus,
.form-select-nx:focus {
  outline: none;
  border-color: var(--color-blue);
  background: var(--bg-surface);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-blue) 15%, transparent);
}
.form-floating-nx {
  position: relative;
  margin-bottom: 1.25rem;
}
.form-floating-nx label {
  position: absolute;
  top: 0.9rem;
  left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  pointer-events: none;
  transition: all var(--transition-fast);
  background: transparent;
}
.form-floating-nx input:focus ~ label,
.form-floating-nx input:not(:placeholder-shown) ~ label,
.form-floating-nx textarea:focus ~ label,
.form-floating-nx textarea:not(:placeholder-shown) ~ label,
.form-floating-nx select ~ label {
  top: -0.55rem;
  left: 0.9rem;
  font-size: 0.72rem;
  background: var(--bg-surface);
  padding: 0 0.4rem;
  color: var(--color-blue);
}
/* <select> has no :placeholder-shown, so its label stays permanently docked
   (a select always shows either the placeholder option or a real value). */
.form-floating-nx select ~ label {
  color: var(--text-muted);
}
.form-floating-nx select:focus ~ label {
  color: var(--color-blue);
}
.form-feedback-msg {
  font-size: 0.8rem;
  margin-top: 0.4rem;
  display: none;
}
.form-floating-nx.is-valid .form-feedback-msg.valid-msg,
.form-floating-nx.is-invalid .form-feedback-msg.invalid-msg {
  display: block;
}
.form-floating-nx.is-valid input,
.form-floating-nx.is-valid textarea,
.form-floating-nx.is-valid select {
  border-color: var(--color-success);
}
.form-floating-nx.is-invalid input,
.form-floating-nx.is-invalid textarea,
.form-floating-nx.is-invalid select {
  border-color: var(--color-danger);
}
.valid-msg {
  color: var(--color-success);
}
.invalid-msg {
  color: var(--color-danger);
}

/* ---- Star rating / avatars ---- */
.avatar-group {
  display: flex;
}
.avatar-group img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--bg-body);
  margin-left: -12px;
  object-fit: cover;
}
.avatar-group img:first-child {
  margin-left: 0;
}

.rating-stars {
  color: #f5b400;
  font-size: 0.85rem;
  letter-spacing: 2px;
}