/* 
   Minerva University — Official Brand Identity 
   Source: Brand Resources & Standards Guide (Updated Fall 2025)
*/

:root {
    /* Primary Color Palette */
    --mu-obsidian: #000000;
    --mu-white: #ffffff;
    --mu-bone: #f0ebe6;
    --mu-ivory: #f2f2f2;
    
    /* Highlight Colors (Accents) */
    --mu-goldenrod: #f0b91e;
    --mu-tangerine: #f0871e;
    --mu-clay: #905112;

    /* Neutrals */
    --mu-charcoal: #3c3732;
    --mu-slate: #5a5550;
    --mu-graphite: #78736e;
    --mu-ash: #d2cdc8;

    /* Functional UI Colors */
    --bg-main: var(--mu-bone);
    --text-main: var(--mu-obsidian);
    --text-muted: var(--mu-slate);
    --accent: var(--mu-clay);

    /* Typography Fallbacks */
    --font-serif: "Chronicle Display", "Garamond", "Times New Roman", serif;
    --font-sans: "Neue Haas Grotesk", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    
    /* Spacing & UI Patterns */
    --spacing-unit: 1rem;
    --border-radius: 8px; /* Standard rounded corners per guidelines */
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    line-height: 1.5;
    color: var(--text-main);
    background-color: var(--bg-main);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

/* Typography Hierarchy per Standards */
h1 {
    font-family: var(--font-serif);
    font-weight: 300; /* Light */
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

h2 {
    font-family: var(--font-sans);
    font-weight: 600; /* Medium/Bold */
    font-size: 1.5rem;
    color: var(--mu-clay);
    margin-bottom: 1rem;
}

h3 {
    font-family: var(--font-serif);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

p {
    font-size: 1.125rem; /* 18pt equivalent for digital */
    margin-bottom: 1.25rem;
}

/* UI Elements */
.card {
    background: var(--mu-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

header {
    background-color: var(--mu-obsidian);
    color: var(--mu-white);
    padding: 4rem 0;
    text-align: left; /* Standards prefer left or centered */
}

.subtitle {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.25rem;
    opacity: 0.8;
}

footer {
    background: var(--mu-ash);
    padding: 3rem 0;
    margin-top: 4rem;
}

.ai-disclosure {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.badge {
    background: var(--mu-goldenrod);
    color: var(--mu-obsidian);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
}

/* ============================================================
   GAME UI — Minerva Pathfinder
   ============================================================ */

/* School accent colors */
:root {
  --school-ah:  #b05ec4;
  --school-ss:  #2e86c1;
  --school-cs:  #1a9e6e;
  --school-ns:  #27ae60;
  --school-biz: #e67e22;
  --pixel-font: 'Silkscreen', monospace;
}

/* Screen system */
.screen { display: none; min-height: 100vh; }
.screen.active { display: flex; flex-direction: column; align-items: center; justify-content: center; }
.screen-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 1rem;
  max-width: 600px;
  width: 100%;
}

/* Pixel typography */
.pixel-title {
  font-family: var(--pixel-font);
  font-size: 1.7rem;
  line-height: 1.4;
  text-align: center;
  color: var(--mu-obsidian);
  white-space: nowrap;
}
.pixel-title--sm { font-size: 0.85rem; }
.pixel-sub {
  font-family: var(--pixel-font);
  font-size: 0.65rem;
  text-align: center;
  color: var(--mu-slate);
  line-height: 1.8;
}

/* Pixel buttons */
.btn-pixel {
  font-family: var(--pixel-font);
  font-size: 0.7rem;
  background: var(--mu-obsidian);
  color: var(--mu-bone);
  border: none;
  padding: 1rem 1.5rem;
  cursor: pointer;
  image-rendering: pixelated;
  box-shadow: 4px 4px 0 var(--mu-clay);
  transition: transform 0.1s, box-shadow 0.1s;
}
.btn-pixel:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--mu-clay); }
.btn-pixel:active { transform: translate(4px, 4px); box-shadow: none; }
.btn-pixel--secondary {
  background: var(--mu-bone);
  color: var(--mu-obsidian);
  box-shadow: 4px 4px 0 var(--mu-charcoal);
}

/* Mascot — CSS pixel art "Mi" */
.mascot {
  width: 16px;
  height: 16px;
  image-rendering: pixelated;
  transform: scale(3);
  margin: 3rem 0 2rem;   /* extra top margin to compensate for visual overflow above */
  background: var(--mu-goldenrod);
  border-radius: 2px;
  box-shadow:
    0px -16px 0 var(--mu-goldenrod),
    16px -16px 0 var(--mu-goldenrod),
    -16px -16px 0 var(--mu-goldenrod),
    -4px -12px 0 var(--mu-obsidian),
    4px -12px 0 var(--mu-obsidian),
    -4px -8px 0 var(--mu-obsidian),
    0px -6px 0 var(--mu-obsidian),
    4px -8px 0 var(--mu-obsidian),
    0px 0px 0 var(--mu-clay),
    -8px 8px 0 var(--mu-clay),
    8px 8px 0 var(--mu-clay),
    -8px 16px 0 var(--mu-charcoal),
    8px 16px 0 var(--mu-charcoal);
}

/* Mascot animations */
@keyframes idle-bounce {
  0%, 100% { transform: scale(3) translateY(0); }
  50% { transform: scale(3) translateY(-3px); }
}
@keyframes celebrate {
  0%, 100% { transform: scale(3) rotate(0deg); }
  25% { transform: scale(3) rotate(-8deg); }
  75% { transform: scale(3) rotate(8deg); }
}
.mascot--idle { animation: idle-bounce 1.2s ease-in-out infinite; }
.mascot--celebrate { animation: celebrate 0.4s ease-in-out 3; }

/* Welcome screen Mi character — same width as play button */
.mi-welcome,
.mi-diagnosis {
  width: min(195px, 52vw);
  height: auto;
  image-rendering: pixelated;
  animation: idle-bounce-mi 1.4s ease-in-out infinite;
}
.mi-diagnosis[hidden] { display: none; }

/* School card mascot image */
.mascot-card-img {
  width: min(120px, 30vw);
  height: auto;
  image-rendering: pixelated;
  margin: 1rem 0;
}

/* Hide CSS mascot on screens where it covers content */
.adventure-inner .mascot,
#screen-school-card .mascot {
  display: none;
}

/* World map school grid */
.school-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  width: 100%;
}
@media (max-width: 480px) {
  .school-grid { grid-template-columns: 1fr; }
}
.zone-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1.2rem 0.8rem;
  background: var(--mu-white);
  border: 3px solid var(--mu-obsidian);
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--mu-charcoal);
  transition: transform 0.1s, box-shadow 0.1s;
}
.zone-tile:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--mu-charcoal); }
.zone-tile.discovered { border-color: var(--mu-goldenrod); background: #fffbe6; }
.zone-icon { font-size: 2rem; }
.zone-name {
  font-family: var(--pixel-font);
  font-size: 0.4rem;
  text-align: center;
  line-height: 1.8;
  color: var(--mu-charcoal);
}
.zone-lock { font-size: 1rem; }

/* Adventure screen */
.adventure-inner { justify-content: flex-start; padding-top: 3rem; }
.story-box {
  background: var(--mu-white);
  border: 3px solid var(--mu-obsidian);
  padding: 1.5rem;
  width: 100%;
  box-shadow: 4px 4px 0 var(--mu-charcoal);
}
.story-text {
  font-family: var(--pixel-font);
  font-size: 0.75rem;
  line-height: 2;
  color: var(--mu-obsidian);
  margin: 0;
}
.choices {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}
.choice-btn {
  font-family: var(--pixel-font);
  font-size: 0.7rem;
  background: var(--mu-bone);
  color: var(--mu-obsidian);
  border: 2px solid var(--mu-obsidian);
  padding: 0.9rem 1rem;
  cursor: pointer;
  text-align: left;
  line-height: 1.8;
  box-shadow: 3px 3px 0 var(--mu-charcoal);
  transition: transform 0.1s, box-shadow 0.1s;
}
.choice-btn:hover { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--mu-charcoal); background: var(--mu-goldenrod); }

/* School card screen */
.school-card {
  width: 100%;
  border: 3px solid var(--mu-obsidian);
  box-shadow: 6px 6px 0 var(--mu-charcoal);
}
.school-card__name {
  font-family: var(--pixel-font);
  font-size: 0.8rem;
  color: var(--mu-clay);
  margin-bottom: 1rem;
}
.school-card__desc {
  font-size: 0.95rem;
  color: var(--mu-charcoal);
  margin-bottom: 1.25rem;
}
.school-card__courses-title {
  font-family: var(--pixel-font);
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  color: var(--mu-slate);
}
.course-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.course-item { border-left: 3px solid var(--mu-goldenrod); padding-left: 0.75rem; }
.course-item__title {
  font-family: var(--pixel-font);
  font-size: 0.7rem;
  color: var(--mu-obsidian);
  margin-bottom: 0.3rem;
}
.course-item__desc { font-size: 0.75rem; color: var(--mu-slate); margin: 0; }

/* Summary screen */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
.school-badge {
  font-family: var(--pixel-font);
  font-size: 0.4rem;
  background: var(--mu-goldenrod);
  color: var(--mu-obsidian);
  padding: 0.5rem 0.75rem;
  border: 2px solid var(--mu-obsidian);
  box-shadow: 2px 2px 0 var(--mu-charcoal);
}
.summary-blurb {
  width: 100%;
  border: 3px solid var(--mu-goldenrod);
  box-shadow: 4px 4px 0 var(--mu-clay);
  text-align: center;
}
.summary-blurb p {
  font-family: var(--pixel-font);
  font-size: 0.5rem;
  line-height: 2;
  color: var(--mu-charcoal);
  margin: 0;
}
.screenshot-cue {
  font-family: var(--pixel-font);
  font-size: 0.45rem;
  color: var(--mu-slate);
  text-align: center;
  animation: idle-bounce 2s ease-in-out infinite;
}

/* ============================================================
   PIXEL MAP — container + terrain  (Task 2)
   ============================================================ */

.pixel-map {
  position: relative;
  width: min(820px, 95vw);
  aspect-ratio: 820 / 560;
  margin: 0 auto;
  background-image: url('../assets/new_map.png');
  background-size: cover;
  background-position: center;
  background-color: #7ec850;
  border: 3px solid #3a5c28;
  border-radius: 4px;
  overflow: hidden;
  image-rendering: pixelated;
}

/* ============================================================
   SCHOOL NODES  (Task 3)
   ============================================================ */

.map-node {
  position: absolute;
  left: var(--nx);
  top: var(--ny);
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 5;
  padding: 0;
}

.map-node__sprite {
  display: block;
  width: 52px;
  height: 52px;
  image-rendering: pixelated;
  background-image: url('../assets/closed-chest.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-color: transparent;
  border: none;
  transition: transform 0.15s;
}

.map-node__sprite::before,
.map-node__sprite::after { content: none; }

.map-node__label {
  font-family: 'Silkscreen', monospace;
  font-size: 6px;
  color: #fff;
  background: rgba(30, 20, 10, 0.72);
  padding: 3px 6px;
  border: 1px solid rgba(255,200,80,0.6);
  border-radius: 2px;
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: 0.02em;
}

.map-node__stamp {
  font-size: 10px;
  min-height: 14px;
}

.map-node.discovered .map-node__sprite {
  background-image: url('../assets/opened-chest.png');
  filter: drop-shadow(0 0 6px rgba(240, 185, 30, 0.7));
}

.map-node:hover .map-node__sprite,
.map-node:focus-visible .map-node__sprite {
  transform: scale(1.15);
}

@keyframes node-unlock {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.3); }
  70%  { transform: scale(0.95); }
  100% { transform: scale(1); }
}

.map-node.just-unlocked .map-node__sprite {
  animation: node-unlock 0.5s ease;
}

.btn-pixel--gold {
  background: var(--mu-goldenrod);
  color: #2a1a0a;
  border: 3px solid #905112;
  box-shadow: 4px 4px 0 #5a3210;
  text-decoration: none;
  display: inline-block;
}

/* Big Play Button */
.btn-start-img {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  image-rendering: pixelated;
  transition: transform 0.1s;
}
.btn-start-img img {
  width: min(195px, 52vw);
  height: auto;
  image-rendering: pixelated;
  display: block;
}
.btn-start-img:hover { transform: scale(1.05); }
.btn-start-img:active { transform: scale(0.97); }

/* ============================================================
   HUD + MI MASCOT MARKER  (Task 7)
   ============================================================ */

.map-hud {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.55);
  color: #f5edd8;
  font-family: 'Silkscreen', monospace;
  font-size: 8px;
  padding: 6px 8px;
  border: 2px solid #f0b91e;
  border-radius: 2px;
  z-index: 20;
  line-height: 1.6;
}

.map-hud__count {
  color: #f0b91e;
}

.map-mi {
  position: absolute;
  width: 60px;
  height: 60px;
  background-image: url('../assets/mi_character(final).png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-color: transparent;
  border: none;
  border-radius: 0;
  z-index: 6;
  left: 52%;
  top: 76%;
  image-rendering: pixelated;
  animation: idle-bounce-mi 1.4s ease-in-out infinite;
  transition: left 0.08s linear, top 0.08s linear;
}

@keyframes idle-bounce-mi {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-4px); }
}

/* Proximity highlight on school chests */
.map-node.nearby .map-node__sprite {
  filter: drop-shadow(0 0 8px rgba(255, 220, 50, 1)) brightness(1.1);
  transform: scale(1.2);
}

/* Mobile responsiveness */
@media (max-width: 480px) {
  .map-node__label {
    font-size: 4px;
    max-width: 60px;
    white-space: normal;
    text-align: center;
  }

  .map-chest,
  .map-chest__sprite {
    width: 26px;
    height: 22px;
  }
}

/* See Results button (below map, only when all 5 found) */
#btn-see-results {
  margin-top: 1rem;
}

/* ============================================================
   ADVENTURE NAVIGATION BAR
   ============================================================ */

.adventure-nav {
  display: flex;
  justify-content: space-between;
  width: 100%;
}

.btn-nav {
  font-family: var(--pixel-font);
  font-size: 0.55rem;
  background: var(--mu-bone);
  color: var(--mu-obsidian);
  border: 2px solid var(--mu-obsidian);
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--mu-charcoal);
  transition: transform 0.1s, box-shadow 0.1s;
  line-height: 1.6;
}
.btn-nav:hover { transform: translate(1px, 1px); box-shadow: 1px 1px 0 var(--mu-charcoal); }
.btn-nav--exit { margin-left: auto; }
/* Back button is hidden by default via JS; keep it in flow when visible */
.btn-nav[hidden] { display: none; }
/* When both visible, push exit to far right */
.adventure-nav:has(.btn-nav:not([hidden])) { justify-content: space-between; }

/* ============================================================
   DIAGNOSIS CTA BUTTON
   ============================================================ */

.cta-discover {
  font-family: var(--pixel-font);
  font-size: 0.7rem;
  background: var(--mu-goldenrod);
  color: #2a1a0a;
  border: 3px solid var(--mu-clay);
  padding: 1.2rem 1.5rem;
  cursor: pointer;
  box-shadow: 5px 5px 0 var(--mu-clay);
  transition: transform 0.1s, box-shadow 0.1s;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  justify-content: center;
  line-height: 2;
  text-align: center;
}
.cta-discover:hover { transform: translate(2px, 2px); box-shadow: 3px 3px 0 var(--mu-clay); }
.cta-discover__arrow { font-size: 1.2rem; flex-shrink: 0; }

/* ============================================================
   COURSES TOOLTIP
   ============================================================ */

.courses-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.courses-title-row .school-card__courses-title { margin-bottom: 0; }

.tooltip-btn {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--mu-goldenrod);
  color: var(--mu-obsidian);
  border: 1px solid var(--mu-clay);
  font-family: var(--pixel-font);
  font-size: 0.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0;
}
.tooltip-btn:hover { background: var(--mu-tangerine); }

.tooltip-box {
  background: #fffbe6;
  border: 2px solid var(--mu-goldenrod);
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  font-family: var(--pixel-font);
  font-size: 0.5rem;
  line-height: 2;
  color: var(--mu-charcoal);
  box-shadow: 2px 2px 0 var(--mu-clay);
}
.tooltip-box[hidden] { display: none; }

/* ============================================================
   CATALOG LINK
   ============================================================ */

.catalog-link {
  display: block;
  margin-top: 1rem;
  font-family: var(--pixel-font);
  font-size: 0.55rem;
  color: var(--mu-clay);
  text-decoration: none;
  border-top: 1px solid var(--mu-ash);
  padding-top: 0.75rem;
  line-height: 2;
}
.catalog-link:hover { text-decoration: underline; color: var(--mu-tangerine); }

/* Footer override */
footer { margin-top: 0; }
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}