/* ==========================================================================
   Carbotrack — components.css
   Buttons, cards, badges, form controls, progress bars, tables
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  border-radius: var(--r-md);
  font-size: .875rem;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
  text-align: center;
}

.btn:disabled,
.btn[disabled] {
  opacity: .35;
  pointer-events: none;
}

.btn-sm  { padding: .55rem 1rem;  font-size: .78rem; }
.btn-lg  { padding: 1rem 2rem;    font-size: 1rem; border-radius: var(--r-lg); }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--forest-900);
  color: #fff;
  box-shadow: var(--sh-md);
}
.btn-primary:hover {
  background: var(--forest-800);
  box-shadow: var(--sh-lg);
  transform: translateY(-1px);
}

.btn-leaf {
  background: var(--leaf-600);
  color: #fff;
  box-shadow: var(--sh-md);
}
.btn-leaf:hover { background: var(--leaf-700); transform: translateY(-1px); }

.btn-outline {
  background: #fff;
  color: var(--forest-900);
  border-color: var(--forest-200);
  box-shadow: var(--sh-sm);
}
.btn-outline:hover { background: var(--forest-50); border-color: var(--forest-300); }

.btn-ghost {
  background: var(--forest-50);
  color: var(--forest-700);
  border-color: var(--forest-200);
}
.btn-ghost:hover { background: var(--forest-100); }

.btn-neutral {
  background: #f1f5f9;
  color: #475569;
}
.btn-neutral:hover { background: #e2e8f0; }

.btn-sm-icon { padding: .5rem .8rem; font-size: .72rem; }

/* --------------------------------------------------------------------------
   2. CARDS
   -------------------------------------------------------------------------- */
.card {
  background: #fff;
  border: 1px solid var(--forest-100);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-sm);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.card:hover { border-color: var(--forest-300); box-shadow: var(--sh-lg); }

.card--pad    { padding: 1.5rem; }
.card--pad-lg { padding: 2rem; }
.card--flat   { box-shadow: none; }

.card__icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--r-md);
  background: var(--forest-100);
  color: var(--forest-800);
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  transition: all var(--dur) var(--ease);
}

.card:hover .card__icon {
  background: var(--forest-900);
  color: var(--leaf-400);
}

.card__title {
  font-size: 1.05rem;
  margin-bottom: .5rem;
}

.card__body {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.card__foot {
  margin-top: 1rem;
  padding-top: .75rem;
  border-top: 1px solid var(--forest-100);
  display: flex;
  justify-content: space-between;
  font-size: .72rem;
  font-weight: 600;
  color: var(--forest-700);
}

/* --------------------------------------------------------------------------
   3. BADGES & PILLS
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .35rem .75rem;
  border-radius: var(--r-pill);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.badge--soft {
  background: var(--forest-100);
  color: var(--forest-800);
  border: 1px solid var(--forest-200);
}

.badge--leaf { background: var(--leaf-500); color: #fff; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .4rem .75rem;
  border-radius: var(--r-sm);
  background: #fff;
  border: 1px solid var(--forest-100);
  box-shadow: var(--sh-sm);
  font-size: .72rem;
  font-weight: 600;
  color: var(--forest-800);
}

/* Rating badge variants (results dashboard) */
.rating-badge {
  display: inline-block;
  padding: .3rem .75rem;
  border-radius: var(--r-pill);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  border: 1px solid transparent;
}
.rating-low       { background: rgba(16,185,129,.18); color: #6ee7b7; border-color: rgba(52,211,153,.4); }
.rating-moderate  { background: rgba(245,158,11,.18); color: #fcd34d; border-color: rgba(245,158,11,.4); }
.rating-high      { background: rgba(249,115,22,.18); color: #fdba74; border-color: rgba(249,115,22,.4); }
.rating-very-high { background: rgba(239,68,68,.18);  color: #fca5a5; border-color: rgba(239,68,68,.4); }

/* --------------------------------------------------------------------------
   4. FORM CONTROLS
   -------------------------------------------------------------------------- */
.field { display: block; }

.field__label {
  display: block;
  font-size: .72rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: .35rem;
}

.field__hint {
  display: block;
  font-size: .68rem;
  color: #94a3b8;
  margin-top: .3rem;
}

.input,
.select,
.textarea {
  width: 100%;
  padding: .75rem .9rem;
  font-size: .875rem;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: var(--r-md);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--leaf-500);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, .16);
}

.input:invalid { border-color: #fca5a5; }

.select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234d8871' stroke-width='2'%3e%3cpolyline points='6 9 12 15 18 9'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  background-size: 1rem;
  padding-right: 2.4rem;
}

.checkbox {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--forest-700);
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: .8rem;
  color: #334155;
  cursor: pointer;
}

/* Range sliders */
.range {
  width: 100%;
  height: 8px;
  border-radius: var(--r-pill);
  background: #e2e8f0;
  appearance: none;
  cursor: pointer;
}

.range::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--forest-700);
  border: 3px solid #fff;
  box-shadow: var(--sh-md);
  transition: transform var(--dur) var(--ease);
}

.range::-webkit-slider-thumb:hover { transform: scale(1.15); }

.range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--forest-700);
  border: 3px solid #fff;
  box-shadow: var(--sh-md);
}

/* Alert banner */
.alert {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 1rem;
  border-radius: var(--r-md);
  font-size: .78rem;
}

.alert--error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
}

.alert--info {
  background: var(--forest-50);
  border: 1px solid var(--forest-200);
  color: var(--forest-800);
}

/* --------------------------------------------------------------------------
   5. PROGRESS BARS
   -------------------------------------------------------------------------- */
.progress {
  width: 100%;
  height: 10px;
  border-radius: var(--r-pill);
  background: #e2e8f0;
  overflow: hidden;
}

.progress__fill {
  height: 100%;
  border-radius: var(--r-pill);
  background: var(--leaf-500);
  transition: width .5s var(--ease);
}

.progress--dark { background: var(--forest-800); }

.progress--thin { height: 6px; }

/* Benchmark rows */
.benchmark-row { margin-bottom: 1rem; }

.benchmark-row__head {
  display: flex;
  justify-content: space-between;
  font-size: .72rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: .35rem;
}

/* --------------------------------------------------------------------------
   6. TABLES
   -------------------------------------------------------------------------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .78rem;
  text-align: left;
}

.data-table thead {
  background: var(--forest-50);
  color: var(--forest-900);
  text-transform: uppercase;
  font-size: .68rem;
  letter-spacing: .06em;
  font-weight: 700;
}

.data-table th,
.data-table td { padding: 1rem; }

.data-table tbody tr { border-top: 1px solid #f1f5f3; }
.data-table tbody tr:hover { background: #fafdfb; }

.data-table td:first-child { font-weight: 600; color: var(--forest-950); }
.data-table td:last-child  { color: var(--text-muted); }

/* --------------------------------------------------------------------------
   7. RECOMMENDATION CARDS
   -------------------------------------------------------------------------- */
.rec-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--forest-100);
  border-radius: var(--r-lg);
  transition: all var(--dur) var(--ease);
}

.rec-card:hover { box-shadow: var(--sh-md); transform: translateY(-2px); }

.rec-card--top {
  border-color: var(--leaf-500);
  box-shadow: 0 0 0 1px var(--leaf-400), var(--sh-md);
}

.rec-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .85rem;
}

.rec-card__icon {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: var(--r-sm);
  background: var(--forest-50);
  color: var(--forest-800);
  display: grid;
  place-items: center;
  font-size: .85rem;
}

.rec-card__flag {
  font-size: .58rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .2rem .5rem;
  border-radius: 5px;
  background: var(--forest-100);
  color: var(--forest-800);
}

.rec-card__title { font-size: 1rem; margin-bottom: .25rem; }

.rec-card__load {
  font-size: .7rem;
  font-weight: 700;
  color: var(--leaf-600);
  margin-bottom: .85rem;
}

.rec-card__tips { display: grid; gap: .6rem; margin-bottom: 1rem; }

.rec-card__tips li {
  display: flex;
  gap: .55rem;
  font-size: .78rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.rec-card__tips i {
  color: var(--leaf-600);
  font-size: .7rem;
  margin-top: .28rem;
  flex-shrink: 0;
}

.rec-card__foot {
  padding-top: .75rem;
  border-top: 1px solid #f1f5f3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .72rem;
  color: var(--forest-700);
}

.rec-card__foot strong { font-weight: 800; }

/* --------------------------------------------------------------------------
   8. CHALLENGE ITEMS
   -------------------------------------------------------------------------- */
.challenge-item {
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  padding: 1rem;
  background: var(--earth);
  border: 1px solid var(--forest-100);
  border-radius: var(--r-lg);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}

.challenge-item:hover {
  background: var(--forest-50);
  border-color: var(--forest-200);
}

.challenge-item:has(.challenge-checkbox:checked) {
  background: #ecfdf5;
  border-color: var(--leaf-400);
}

.challenge-item__day {
  font-size: .65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--leaf-600);
}

.challenge-item__title {
  font-family: 'Poppins', sans-serif;
  font-size: .875rem;
  font-weight: 700;
  color: var(--forest-950);
}

.challenge-item__desc {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: .15rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   9. UTILITIES
   -------------------------------------------------------------------------- */
.hidden { display: none !important; }

.divider {
  height: 1px;
  background: var(--forest-100);
  border: 0;
  margin-block: 1.5rem;
}

.scroll-x {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
/* ==========================================================================
   10. TOAST NOTIFICATIONS
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: .65rem;
  pointer-events: none;
  max-width: calc(100vw - 3rem);
}

.toast {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .85rem 1.1rem;
  background: #fff;
  border-radius: var(--r-md);
  border-left: 4px solid var(--leaf-500);
  box-shadow: 0 12px 40px rgba(13, 26, 21, .18);
  font-size: .82rem;
  font-weight: 500;
  color: var(--forest-950);
  pointer-events: auto;
  max-width: 22rem;
  opacity: 0;
  transform: translateX(120%);
  animation: toast-in .38s cubic-bezier(.34, 1.3, .64, 1) forwards;
}

.toast.is-leaving {
  animation: toast-out .3s ease forwards;
}

.toast--info    { border-left-color: #3b82f6; }
.toast--success { border-left-color: var(--leaf-500); }
.toast--warning { border-left-color: #f59e0b; }
.toast--error   { border-left-color: #ef4444; }

.toast__icon {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: #ecfdf5;
  color: var(--leaf-600);
  display: grid;
  place-items: center;
  font-size: .72rem;
  flex-shrink: 0;
}

.toast--info    .toast__icon { background: #eff6ff; color: #3b82f6; }
.toast--warning .toast__icon { background: #fffbeb; color: #f59e0b; }
.toast--error   .toast__icon { background: #fef2f2; color: #ef4444; }

.toast__msg { line-height: 1.4; }

@keyframes toast-in {
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
  to { opacity: 0; transform: translateX(120%); }
}

/* ==========================================================================
   11. ANIMATED DEMO OVERLAY
   ========================================================================== */
.demo-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(13, 26, 21, .82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: grid;
  place-items: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s var(--ease), visibility .35s var(--ease);
}

.demo-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.demo-overlay__card {
  width: 100%;
  max-width: 32rem;
  background: #fff;
  border-radius: var(--r-2xl);
  padding: 2.25rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .4);
  transform: translateY(24px) scale(.96);
  transition: transform .4s cubic-bezier(.34, 1.3, .64, 1);
}

@media (max-width: 480px) {
  .demo-overlay__card { padding: 1.5rem; }
}

.demo-overlay.is-open .demo-overlay__card {
  transform: translateY(0) scale(1);
}

/* ---- Header ------------------------------------------------------ */
.demo-overlay__head {
  text-align: center;
  margin-bottom: 1.75rem;
}

.demo-overlay__glyph {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1rem;
  border-radius: var(--r-xl);
  background: linear-gradient(135deg, var(--forest-900), var(--forest-700));
  color: var(--leaf-400);
  display: grid;
  place-items: center;
  font-size: 1.7rem;
  box-shadow: 0 14px 34px rgba(13, 26, 21, .28);
  animation: demo-glyph-pulse 1.9s ease-in-out infinite;
}

@keyframes demo-glyph-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 14px 34px rgba(13, 26, 21, .28);
  }
  50% {
    transform: scale(1.06);
    box-shadow: 0 18px 44px rgba(16, 185, 129, .42);
  }
}

.demo-overlay__title {
  font-family: 'Poppins', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--forest-950);
}

.demo-overlay__sub {
  font-size: .78rem;
  color: var(--text-muted);
  margin-top: .35rem;
}

/* ---- Steps list -------------------------------------------------- */
.demo-steps {
  display: grid;
  gap: .5rem;
  margin-bottom: 1.5rem;
}

.demo-step {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .7rem .9rem;
  border-radius: var(--r-md);
  background: #f8fafc;
  border: 1px solid transparent;
  font-size: .82rem;
  color: #64748b;
  opacity: .55;
  transition: all .32s var(--ease);
}

.demo-step.is-active {
  opacity: 1;
  background: #ecfdf5;
  border-color: var(--leaf-400);
  color: var(--forest-950);
  font-weight: 600;
  transform: translateX(4px);
  box-shadow: 0 4px 14px rgba(16, 185, 129, .14);
}

.demo-step.is-done {
  opacity: 1;
  color: var(--forest-800);
  background: #f0fdf4;
}

.demo-step__icon {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  background: #e2e8f0;
  color: #64748b;
  display: grid;
  place-items: center;
  font-size: .72rem;
  flex-shrink: 0;
  transition: background .3s ease, color .3s ease;
}

.demo-step.is-active .demo-step__icon {
  background: var(--leaf-500);
  color: #fff;
  animation: demo-icon-spin 1s linear infinite;
}

.demo-step.is-done .demo-step__icon {
  background: var(--leaf-500);
  color: #fff;
  animation: demo-check-pop .4s cubic-bezier(.34, 1.56, .64, 1);
}

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

@keyframes demo-check-pop {
  0%   { transform: scale(0); }
  60%  { transform: scale(1.22); }
  100% { transform: scale(1); }
}

.demo-step__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.demo-step__title { font-size: .82rem; line-height: 1.25; }

.demo-step__msg {
  display: block;
  font-size: .68rem;
  font-weight: 400;
  color: #94a3b8;
  margin-top: .12rem;
  line-height: 1.35;
}

.demo-step.is-active .demo-step__msg { color: #64748b; }

/* ---- Progress ---------------------------------------------------- */
.demo-overlay__progress {
  height: 6px;
  background: #e2e8f0;
  border-radius: var(--r-pill);
  overflow: hidden;
  margin-bottom: 1rem;
}

.demo-overlay__progress-fill {
  height: 100%;
  width: 0%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--leaf-500), var(--leaf-300));
  transition: width .45s var(--ease);
}

.demo-overlay__foot {
  text-align: center;
  font-size: .72rem;
  color: #94a3b8;
  min-height: 1.2rem;
  line-height: 1.4;
}

.demo-overlay__foot i { margin-right: .25rem; }

/* ---- Reduced motion --------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .demo-overlay__glyph,
  .demo-step.is-active .demo-step__icon,
  .demo-step.is-done .demo-step__icon {
    animation: none !important;
  }
}