/* WoodFinish.org — Design System
   Based on KnowYourWood.org palette and typography.
   Mobile-first layout.
*/

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --dark-teal:      #0a2020;
  --deep-teal:      #123030;
  --accent-teal:    #1e4444;
  --sidebar-bg:     #0d2828;
  --card-bg:        #102e2e;
  --hover-bg:       #1a3e3e;
  --mid-teal:       #2d6a6a;
  --amber:          #e8913a;
  --amber-light:    #e8c49a;
  --cream:          #d4cfc7;
  --text:           #d4cfc7;
  --text-primary:   #d4cfc7;
  --text-secondary: #7dcfcf;
  --text-dark:      #1a2a2a;
  --white:          #ffffff;
  --border:         #2d6a6a;
  --bg-dark:        #0d2828;
  --red:            #c0392b;
  --green:          #2ecc71;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--dark-teal);
  color: var(--cream);
  font-family: 'Roboto Slab', serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.label {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
}

.section-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--white);
  letter-spacing: 0.02em;
}

/* ============================================================
   HEADER
   ============================================================ */
header {
  background: var(--dark-teal);
  border-bottom: 3px solid var(--amber);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.header-logo img {
  height: 44px;
  width: 44px;
  border-radius: 50%;
}

.site-name {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--amber);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header-tagline {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.72rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-align: center;
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-restart {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  background: transparent;
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  display: none;
}

.btn-restart:hover {
  color: var(--amber);
  border-color: var(--amber);
}

.btn-restart.visible { display: block; }

@media (min-width: 640px) {
  .header-tagline { display: block; }
  .site-name { font-size: 1.4rem; }
  header { padding: 0 2rem; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--deep-teal);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 1.5rem 2rem;
  text-align: center;
}

.hero h1 {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  color: var(--white);
  letter-spacing: 0.02em;
  margin-bottom: 0.6rem;
}

.hero h1 span { color: var(--amber); }

.hero p {
  font-family: 'Roboto Slab', serif;
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============================================================
   WIZARD PROGRESS BAR
   ============================================================ */
.wizard-progress {
  background: var(--sidebar-bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
}

.progress-track {
  display: flex;
  align-items: center;
  gap: 0;
  max-width: 680px;
  margin: 0 auto;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
  cursor: default;
}

.progress-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 14px;
  left: 50%;
  right: -50%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}

.progress-step.completed:not(:last-child)::after {
  background: var(--amber);
}

.step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--dark-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700;
  font-size: 0.72rem;
  color: var(--mid-teal);
  position: relative;
  z-index: 1;
  transition: all 0.2s;
}

.progress-step.active .step-dot {
  border-color: var(--amber);
  background: var(--amber);
  color: var(--text-dark);
}

.progress-step.completed .step-dot {
  border-color: var(--amber);
  background: var(--card-bg);
  color: var(--amber);
}

.step-label {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mid-teal);
  margin-top: 0.35rem;
  text-align: center;
  display: none;
}

.progress-step.active .step-label,
.progress-step.completed .step-label {
  color: var(--text-secondary);
}

@media (min-width: 480px) {
  .step-label { display: block; }
}

/* ============================================================
   WIZARD STEPS
   ============================================================ */
.wizard-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.wizard-step {
  display: none;
  animation: fadeIn 0.25s ease;
}

.wizard-step.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.step-header {
  margin-bottom: 1.5rem;
}

.step-number {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  display: block;
  margin-bottom: 0.4rem;
}

.step-question {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: clamp(1.2rem, 4vw, 1.6rem);
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 0.4rem;
}

.step-hint {
  font-family: 'Roboto Slab', serif;
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Option grids */
.options-grid {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.options-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.options-grid.cols-3 {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 560px) {
  .options-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.option-btn {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1rem;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  width: 100%;
}

.option-btn:hover {
  border-color: var(--amber);
  background: var(--hover-bg);
}

.option-btn.selected {
  border-color: var(--amber);
  background: rgba(232, 145, 58, 0.1);
}

.option-btn .opt-icon {
  font-size: 1.4rem;
  line-height: 1;
  margin-bottom: 0.15rem;
}

.option-btn .opt-label {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--white);
}

.option-btn .opt-desc {
  font-family: 'Roboto Slab', serif;
  font-weight: 300;
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Multi-select checkbox style */
.option-btn.multi-select {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.75rem;
}

.option-btn.multi-select .opt-check {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 3px;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: transparent;
}

.option-btn.multi-select.selected .opt-check {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--text-dark);
}

.option-btn.multi-select .opt-body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

/* Step navigation */
.step-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.5rem;
}

.btn-back {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.btn-back:hover {
  color: var(--amber);
  border-color: var(--amber);
}

.btn-next {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dark);
  background: var(--amber);
  border: none;
  border-radius: 4px;
  padding: 0.65rem 1.8rem;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-next:hover { opacity: 0.88; }
.btn-next:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-next.btn-submit {
  background: var(--amber);
  font-size: 0.85rem;
  padding: 0.75rem 2rem;
}

/* Priority limit hint */
.priority-hint {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.priority-hint span {
  color: var(--amber);
  font-weight: 700;
}

/* ============================================================
   RESULTS PAGE
   ============================================================ */
#results-view {
  display: none;
  animation: fadeIn 0.3s ease;
}

#results-view.active { display: block; }

.results-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Results hero */
.results-hero {
  background: var(--deep-teal);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.results-hero .label {
  display: block;
  margin-bottom: 0.5rem;
}

.results-hero h2 {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: clamp(1.3rem, 4vw, 1.8rem);
  color: var(--white);
  margin-bottom: 0.75rem;
}

.ai-summary {
  font-family: 'Roboto Slab', serif;
  font-weight: 300;
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.75;
}

.ai-summary.loading {
  color: var(--text-secondary);
  font-style: italic;
}

/* Safety alert */
.safety-alert {
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.safety-alert.warning {
  background: rgba(192, 57, 43, 0.12);
  border: 1px solid rgba(192, 57, 43, 0.5);
}

.safety-alert.info {
  background: rgba(45, 106, 106, 0.25);
  border: 1px solid var(--border);
}

.safety-alert .alert-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1rem; }

.safety-alert .alert-text {
  font-family: 'Roboto Slab', serif;
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--cream);
  line-height: 1.6;
}

.safety-alert .alert-text strong {
  font-weight: 400;
  color: var(--white);
}

/* Recommended finishes */
.results-section {
  margin-bottom: 2rem;
}

.results-section-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.results-section-header .label { flex-shrink: 0; }

.finish-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem 1.4rem;
  margin-bottom: 0.75rem;
  transition: border-color 0.15s;
}

.finish-card.primary {
  border-color: var(--amber);
}

.finish-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.finish-card-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--white);
}

.finish-card.primary .finish-card-title { color: var(--amber); }

.finish-badge {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  flex-shrink: 0;
}

.finish-badge.best {
  background: var(--amber);
  color: var(--text-dark);
}

.finish-badge.alt {
  background: var(--accent-teal);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.finish-summary {
  font-family: 'Roboto Slab', serif;
  font-weight: 300;
  font-size: 0.87rem;
  color: var(--text);
  line-height: 1.65;
  margin-bottom: 1rem;
}

/* Finish ratings row */
.finish-ratings {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-bottom: 0.75rem;
}

.rating-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rating-label {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  white-space: nowrap;
}

.rating-dots {
  display: flex;
  gap: 3px;
}

.rating-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
}

.rating-dot.filled { background: var(--amber); }

/* Prep steps */
.prep-steps {
  margin-bottom: 2rem;
}

.step-list {
  list-style: none;
  counter-reset: step-counter;
}

.step-list li {
  counter-increment: step-counter;
  display: flex;
  gap: 1rem;
  margin-bottom: 0.75rem;
  align-items: flex-start;
}

.step-list li::before {
  content: counter(step-counter);
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700;
  font-size: 0.72rem;
  color: var(--text-dark);
  background: var(--amber);
  min-width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.step-list li .step-text {
  font-family: 'Roboto Slab', serif;
  font-weight: 300;
  font-size: 0.88rem;
  color: var(--cream);
  line-height: 1.6;
}

/* Common mistakes */
.mistakes-list {
  list-style: none;
}

.mistakes-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 0.6rem;
  font-family: 'Roboto Slab', serif;
  font-weight: 300;
  font-size: 0.88rem;
  color: var(--cream);
  line-height: 1.55;
}

.mistakes-list li::before {
  content: '⚠';
  color: var(--amber);
  flex-shrink: 0;
  font-size: 0.85rem;
  margin-top: 0.15rem;
}

/* Brands row */
.brands-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.brand-tag {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: var(--accent-teal);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.2rem 0.5rem;
}

/* ============================================================
   RESULTS ACTIONS (share / print / restart)
   ============================================================ */
.results-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding: 1.25rem 1.4rem;
  background: var(--sidebar-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.results-actions .actions-label {
  width: 100%;
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.1rem;
}

.btn-action {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.55rem 1.1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s, color 0.15s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--cream);
}

.btn-action:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.btn-action.primary-action {
  background: var(--amber);
  color: var(--text-dark);
  border-color: var(--amber);
}

.btn-action.primary-action:hover { opacity: 0.88; }

.btn-action .icon { font-size: 0.95rem; }

/* Copy link feedback */
.copy-feedback {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--green);
  opacity: 0;
  transition: opacity 0.3s;
  align-self: center;
}

.copy-feedback.show { opacity: 1; }

/* ============================================================
   TOOLTIP SYSTEM
   ============================================================ */
#tooltip {
  position: fixed;
  background: var(--deep-teal);
  border: 1px solid var(--amber);
  color: var(--cream);
  font-family: 'Roboto Slab', serif;
  font-weight: 300;
  font-size: 0.8rem;
  line-height: 1.5;
  padding: 0.6rem 0.85rem;
  border-radius: 4px;
  max-width: 280px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 1000;
}

span.tip {
  border-bottom: 1px dashed var(--amber);
  cursor: help;
  color: inherit;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--sidebar-bg);
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  margin-top: 3rem;
}

footer p {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--amber);
}

footer a {
  color: var(--amber);
  opacity: 0.8;
  transition: opacity 0.15s;
}

footer a:hover {
  opacity: 1;
  text-decoration: none;
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  /* Hide everything except results */
  header,
  .hero,
  .wizard-progress,
  #wizard-view,
  .results-actions,
  footer {
    display: none !important;
  }

  body {
    background: #fff;
    color: #1a1a1a;
    font-size: 11pt;
  }

  #results-view {
    display: block !important;
  }

  .results-container {
    max-width: 100%;
    padding: 0;
  }

  .results-hero {
    background: #f5f5f0;
    border: 1px solid #999;
    border-radius: 4px;
    padding: 1rem;
  }

  .results-hero h2 {
    color: #1a1a1a;
    font-size: 1.4rem;
  }

  .results-hero .label { color: #8b5e1a; }

  .ai-summary { color: #2a2a2a; }

  .finish-card {
    background: #f9f9f6;
    border: 1px solid #aaa;
    page-break-inside: avoid;
  }

  .finish-card.primary { border-color: #8b5e1a; }

  .finish-card-title { color: #1a1a1a; }
  .finish-card.primary .finish-card-title { color: #8b5e1a; }

  .finish-summary { color: #2a2a2a; }

  .results-section-header { border-color: #aaa; }

  .label { color: #8b5e1a; }

  .safety-alert {
    border: 1px solid #999;
    background: #f5eded;
  }

  .safety-alert .alert-text { color: #2a2a2a; }

  .step-list li .step-text,
  .mistakes-list li { color: #2a2a2a; }

  .step-list li::before {
    background: #8b5e1a;
    color: #fff;
  }

  .mistakes-list li::before { color: #8b5e1a; }

  .rating-dot { background: #ccc; }
  .rating-dot.filled { background: #8b5e1a; }

  .rating-label { color: #666; }

  .brand-tag {
    background: #eee;
    border-color: #ccc;
    color: #444;
  }

  /* Print header */
  #results-view::before {
    content: 'WoodFinish.org — Your Finish Recommendation';
    display: block;
    font-family: 'Oswald', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: #8b5e1a;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #8b5e1a;
  }
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }