/* ═══════════════════════════════════════════
   Build First, Panic Later — Shared Styles
   ═══════════════════════════════════════════ */

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

:root {
  --cream: #fdf6e3;
  --brown: #5c3d2e;
  --dark-brown: #3a2218;
  --burnt-orange: #d45d22;
  --harvest-gold: #e8a926;
  --avocado: #6b8f3c;
  --rust: #b8432f;
  --teal: #2a7b7b;
  --mustard: #c9972e;
  --plum: #6b3654;
  --tan: #c4a87c;
  --warm-white: #fff8ec;
  --paper: #f5ead0;
  --hot-pink: #c4366a;
  --rose: #e8608a;
  --saffron: #d68a1f;
  --ink-blue: #2d5f8b;
}

html { scroll-behavior: smooth; }

body {
  background: var(--cream);
  color: var(--dark-brown);
  font-family: 'Lexend Deca', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='200' height='200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.65' numOctaves='4' type='fractalNoise'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.06'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 9999;
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb { background: var(--burnt-orange); border-radius: 5px; }

/* ═══ SITE NAV ═══ */
.site-nav {
  background: var(--dark-brown);
  border-bottom: 4px solid var(--harvest-gold);
  position: sticky; top: 0; z-index: 200;
  display: flex; align-items: center; gap: 1rem;
  padding: .45rem 2rem;
  min-height: 52px;
}
.site-nav .nav-logo {
  font-family: 'Abril Fatface', serif;
  color: var(--harvest-gold);
  text-decoration: none;
  font-size: 1.05rem;
  white-space: nowrap;
  flex-shrink: 0;
}
.site-nav .nav-links {
  display: flex; gap: .3rem; row-gap: .35rem; list-style: none; flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  margin-left: auto;
}
.site-nav .nav-links li {
  display: flex;
  align-items: center;
}
.site-nav .nav-links a {
  font-family: 'DM Mono', monospace;
  font-size: .7rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .05em;
  color: var(--tan);
  text-decoration: none;
  padding: .35em .8em;
  border-radius: 50px;
  transition: color .2s, background .2s;
  white-space: nowrap;
}
.site-nav .nav-links a:hover { color: var(--dark-brown); background: var(--harvest-gold); }
.site-nav .nav-links a.active { color: var(--dark-brown); background: var(--harvest-gold); }

/* Admin button styled like nav links */
.site-nav .admin-nav-button {
  font-family: 'DM Mono', monospace;
  font-size: .7rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .05em;
  color: var(--tan);
  background: transparent;
  border: none;
  padding: .35em .8em;
  border-radius: 50px;
  transition: color .2s, background .2s;
  white-space: nowrap;
  cursor: pointer;
}
.site-nav .admin-nav-button:hover { 
  color: var(--dark-brown); 
  background: var(--harvest-gold); 
}

.site-nav .nav-auth-slot {
  display: flex;
  align-items: center;
  gap: .35rem;
}
.site-nav .bfpl-auth-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.site-nav .bfpl-auth-status {
  font-family: 'DM Mono', monospace;
  font-size: .68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--warm-white);
  padding: .4em .85em;
  border-radius: 50px;
  border: 1px solid rgba(232,169,38,.38);
  background: rgba(253,248,236,.12);
  white-space: nowrap;
}
.site-nav .bfpl-auth-link-admin {
  color: var(--dark-brown);
  background: var(--harvest-gold);
  border: 1px solid rgba(58,34,24,.2);
  box-shadow: inset 0 -2px 0 rgba(58,34,24,.16);
}
.site-nav .bfpl-auth-link-admin:hover {
  color: var(--warm-white);
  background: var(--burnt-orange);
}

/* ═══ HERO (index) ═══ */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--harvest-gold);
}

.sunburst {
  position: absolute;
  width: 200%; height: 200%;
  top: -50%; left: -50%;
  z-index: 0;
  animation: spinSlow 120s linear infinite;
}
@keyframes spinSlow { to { transform: rotate(360deg); } }

.hero-content { position: relative; z-index: 1; padding: 2rem; }

.hero h1 {
  font-family: 'Abril Fatface', serif;
  font-size: clamp(3rem, 9vw, 8rem);
  line-height: 1;
  color: var(--dark-brown);
  text-shadow: 4px 4px 0 var(--burnt-orange), 8px 8px 0 rgba(0,0,0,.08);
  margin-bottom: .35em;
}

.hero .tagline {
  font-family: 'Righteous', sans-serif;
  font-size: clamp(1.1rem, 3vw, 1.8rem);
  color: var(--brown);
  background: var(--warm-white);
  display: inline-block;
  padding: .3em 1.2em;
  border-radius: 50px;
  border: 3px solid var(--dark-brown);
  transform: rotate(-2deg);
  margin-bottom: 1.5rem;
}

.focus-pills {
  display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; margin-bottom: 2rem;
}
.pill {
  font-family: 'DM Mono', monospace;
  font-size: .8rem; font-weight: 500;
  padding: .4em 1em;
  border-radius: 50px;
  color: var(--warm-white);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.pill:nth-child(1) { background: var(--burnt-orange); }
.pill:nth-child(2) { background: var(--plum); }
.pill:nth-child(3) { background: var(--teal); }
.pill:nth-child(4) { background: var(--avocado); }
.pill:nth-child(5) { background: var(--saffron); }
.pill:nth-child(6) { background: var(--ink-blue); }
.pill:nth-child(7) { background: var(--hot-pink); }

.scroll-arrow {
  margin-top: 2rem;
  font-size: 2.2rem;
  color: var(--dark-brown);
  animation: bob 2s ease-in-out infinite;
  display: block;
}
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(12px)} }

/* ═══ PAGE HERO (inner pages) ═══ */
.page-hero {
  min-height: 55vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 4rem 2rem;
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 {
  font-family: 'Abril Fatface', serif;
  font-size: clamp(2.8rem, 8vw, 7rem);
  line-height: 1;
  color: var(--dark-brown);
  text-shadow: 4px 4px 0 rgba(0,0,0,.18);
  margin-bottom: .3em;
}
.page-hero .page-badge {
  font-family: 'Righteous', sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--warm-white);
  background: rgba(0,0,0,.25);
  display: inline-block;
  padding: .35em 1.3em;
  border-radius: 50px;
  border: 2px solid rgba(255,255,255,.3);
  margin-bottom: 1.2rem;
}
.page-hero .page-sub {
  font-size: clamp(.95rem, 2vw, 1.2rem);
  color: var(--dark-brown);
  max-width: 520px;
  margin: 0 auto;
  font-weight: 600;
  opacity: .75;
}

/* Category hero backgrounds */
.theme-ai         { background: var(--burnt-orange); }
.theme-science    { background: var(--teal); }
.theme-philosophy { background: var(--plum); }
.theme-code       { background: var(--avocado); }
.theme-art        { background: var(--saffron); }
.theme-games      { background: var(--ink-blue); }
.theme-music      { background: var(--hot-pink); }

/* ═══ STRIPE DIVIDERS ═══ */
.stripe-divider {
  height: 24px;
  background: repeating-linear-gradient(90deg,
    var(--burnt-orange) 0 25%, var(--harvest-gold) 25% 50%,
    var(--avocado) 50% 75%, var(--teal) 75% 100%);
}
.stripe-divider.thin { height: 8px; }

/* ═══ SECTIONS ═══ */
section {
  padding: 5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
section h2 {
  font-family: 'Abril Fatface', serif;
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: .3em;
  display: inline-block;
}
section h2::after {
  content: ''; display: block;
  height: 6px; border-radius: 3px;
  margin-top: 6px;
}
section .section-sub {
  color: var(--brown); font-size: 1.05rem;
  max-width: 580px; margin-bottom: 2.5rem;
}

/* Full-width alt background wrapper */
.alt-bg { background: var(--paper); }

/* ═══ INDEX-SPECIFIC SECTION STYLES ═══ */
.about-section h2::after { background: var(--harvest-gold); }
.experiments-section { background: var(--paper); }
.experiments-section h2 { color: var(--teal); }
.experiments-section h2::after { background: var(--teal); }
.projects-section h2 { color: var(--plum); }
.projects-section h2::after { background: var(--plum); }

/* ═══ CATEGORY ACCENT COLORS ═══ */
.accent-ai    section h2 { color: var(--burnt-orange); }
.accent-ai    section h2::after { background: var(--burnt-orange); }
.accent-science section h2 { color: var(--teal); }
.accent-science section h2::after { background: var(--teal); }
.accent-philosophy section h2 { color: var(--plum); }
.accent-philosophy section h2::after { background: var(--plum); }
.accent-code  section h2 { color: var(--avocado); }
.accent-code  section h2::after { background: var(--avocado); }
.accent-art   section h2 { color: var(--saffron); }
.accent-art   section h2::after { background: var(--saffron); }
.accent-games section h2 { color: var(--ink-blue); }
.accent-games section h2::after { background: var(--ink-blue); }
.accent-music section h2 { color: var(--hot-pink); }
.accent-music section h2::after { background: var(--hot-pink); }

/* ═══ ABOUT CARDS ═══ */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.about-card {
  background: var(--warm-white);
  border: 3px solid var(--dark-brown);
  border-radius: 20px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform .3s;
  box-shadow: 6px 6px 0 var(--tan);
  text-decoration: none;
  color: inherit;
  display: block;
}
.about-card:hover { transform: translateY(-6px) rotate(-1deg); }
.about-card .icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.8rem;
  color: var(--warm-white);
}
.about-card:nth-child(1) .icon { background: var(--burnt-orange); }
.about-card:nth-child(2) .icon { background: var(--teal); }
.about-card:nth-child(3) .icon { background: var(--plum); }
.about-card:nth-child(4) .icon { background: var(--avocado); }
.about-card:nth-child(5) .icon { background: var(--saffron); }
.about-card:nth-child(6) .icon { background: var(--ink-blue); }
.about-card:nth-child(7) .icon { background: var(--hot-pink); }
.about-card h3 {
  font-family: 'Righteous', sans-serif;
  font-size: 1.15rem; margin-bottom: .4rem; color: var(--dark-brown);
}
.about-card p { font-size: .9rem; color: var(--brown); }

/* ═══ APP CARDS ═══ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.app-card {
  background: var(--warm-white);
  border: 3px solid var(--dark-brown);
  border-radius: 20px;
  overflow: hidden;
  text-decoration: none; color: inherit; display: block;
  transition: transform .3s, box-shadow .3s;
}
.app-card:hover { transform: translateY(-6px) rotate(0.5deg); box-shadow: 8px 8px 0 var(--tan); }

.app-card .card-banner {
  height: 140px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.app-card canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.card-banner .retro-label {
  position: relative; z-index: 1;
  font-family: 'Righteous', sans-serif;
  font-size: 1.45rem;
  color: var(--warm-white);
  text-shadow: 2px 2px 0 rgba(0,0,0,.35);
  padding: 0 1rem; text-align: center; line-height: 1.2;
}

.app-card .card-body { padding: 1.25rem 1.5rem 1.5rem; }
.app-card .card-body p { font-size: .88rem; color: var(--brown); margin-bottom: .6rem; }
.app-card .tag {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: .7rem; font-weight: 500;
  padding: .3em .8em; border-radius: 50px;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--warm-white);
}
.tag-orange { background: var(--burnt-orange); }
.tag-gold   { background: var(--mustard); }
.tag-green  { background: var(--avocado); }
.tag-teal   { background: var(--teal); }
.tag-plum   { background: var(--plum); }
.tag-rust   { background: var(--rust); }
.tag-pink   { background: var(--hot-pink); }

/* ═══ TOPIC CARDS ═══ */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.topic-card {
  background: var(--warm-white);
  border: 3px solid var(--dark-brown);
  border-radius: 20px;
  padding: 2rem 1.5rem;
  box-shadow: 5px 5px 0 var(--tan);
  transition: transform .3s;
}
.topic-card:hover { transform: translateY(-5px) rotate(-.5deg); }
.topic-card .topic-icon {
  font-size: 2rem;
  margin-bottom: .6rem;
  display: block;
}
.topic-card h3 {
  font-family: 'Righteous', sans-serif;
  font-size: 1.1rem;
  color: var(--dark-brown);
  margin-bottom: .4rem;
}
.topic-card p { font-size: .88rem; color: var(--brown); line-height: 1.6; }

/* ═══ FOOTER ═══ */
footer {
  background: var(--dark-brown);
  color: var(--tan);
  text-align: center;
  padding: 3rem 2rem;
}
footer .footer-nav {
  display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
footer .footer-nav a {
  font-family: 'DM Mono', monospace;
  font-size: .72rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--tan);
  text-decoration: none;
  transition: color .2s;
}
footer .footer-nav a:hover { color: var(--harvest-gold); }
footer .footer-mark {
  font-family: 'Abril Fatface', serif;
  font-size: 1.4rem; color: var(--harvest-gold);
  margin-bottom: .3rem;
}
footer p { font-size: .85rem; }

/* ═══ ADMIN UI ═══ */
.admin-body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(232,169,38,.22), transparent 35%),
    linear-gradient(180deg, var(--paper), var(--cream));
}
.admin-shell {
  max-width: 1160px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}
.admin-shell-narrow {
  max-width: 620px;
  padding-top: 7rem;
}
.admin-panel {
  background: var(--warm-white);
  border: 3px solid var(--dark-brown);
  border-radius: 24px;
  box-shadow: 10px 10px 0 var(--tan);
  padding: 2rem;
}
.admin-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.admin-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--burnt-orange);
  margin-bottom: .5rem;
}
.admin-panel h1,
.admin-section h2,
.admin-card-item h3 {
  font-family: 'Abril Fatface', serif;
  color: var(--dark-brown);
}
.admin-panel h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1;
  margin-bottom: .75rem;
}
.admin-sub,
.admin-note {
  color: var(--brown);
}
.admin-toolbar {
  display: flex;
  align-items: end;
  gap: .75rem;
  flex-wrap: wrap;
}
.admin-status,
.admin-alert {
  margin: 1rem 0 1.5rem;
  padding: .85rem 1rem;
  border: 2px solid var(--dark-brown);
  border-radius: 14px;
  background: #f8f1dd;
  color: var(--dark-brown);
  font-family: 'DM Mono', monospace;
  font-size: .82rem;
}
.admin-alert,
.admin-status-error {
  background: #f7d9d2;
  color: #6a2018;
}
.admin-form,
.admin-field {
  display: flex;
  flex-direction: column;
}
.admin-form {
  gap: 1rem;
}
.admin-label {
  font-family: 'DM Mono', monospace;
  font-size: .76rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--brown);
  margin-bottom: .35rem;
}
.admin-input,
.admin-select,
.admin-textarea {
  width: 100%;
  border: 2px solid var(--dark-brown);
  border-radius: 12px;
  background: #fffdf7;
  color: var(--dark-brown);
  font: inherit;
  padding: .75rem .9rem;
}
.admin-textarea {
  min-height: 112px;
  resize: vertical;
}
.admin-button,
.admin-link-button {
  border: 3px solid var(--dark-brown);
  border-radius: 999px;
  font-family: 'Righteous', sans-serif;
  cursor: pointer;
}
.admin-button:disabled,
.admin-link-button:disabled {
  cursor: not-allowed;
  opacity: .45;
  box-shadow: none;
}
.admin-button {
  padding: .7rem 1.2rem;
  background: var(--burnt-orange);
  color: var(--warm-white);
  box-shadow: 4px 4px 0 var(--dark-brown);
}
.admin-button:hover { background: var(--rust); }
.admin-button-secondary {
  background: var(--warm-white);
  color: var(--dark-brown);
}
.admin-link-button {
  padding: .4rem .8rem;
  background: var(--warm-white);
  color: var(--rust);
}
.admin-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  align-items: center;
}
.admin-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 3px solid var(--paper);
}
.admin-section-header,
.admin-card-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.admin-card-list {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}
.admin-card-item {
  border: 3px solid var(--dark-brown);
  border-radius: 18px;
  background: #fffdf7;
  padding: 1rem;
}
.admin-grid-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .9rem 1rem;
  margin-top: 1rem;
}
.admin-field-full {
  margin-top: .9rem;
}

/* ═══ SCROLL REVEAL ═══ */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .6s, transform .6s; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 960px) {
  .about-grid { grid-template-columns: repeat(3, 1fr); }
  .admin-header-row,
  .admin-section-header,
  .admin-card-item-header { flex-direction: column; align-items: flex-start; }
  .admin-grid-fields { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid, .topic-grid { grid-template-columns: 1fr; }
  section { padding: 3rem 1.25rem; }
  .site-nav { padding: .65rem 1rem; gap: .5rem; }
  .site-nav .nav-links a { font-size: .65rem; padding: .3em .55em; }
  .site-nav .admin-nav-button { font-size: .65rem; padding: .3em .55em; }
  .site-nav .bfpl-auth-status { font-size: .6rem; padding: .35em .65em; }
  .admin-shell,
  .admin-shell-narrow { padding: 2rem 1rem 4rem; }
  .admin-panel { padding: 1.25rem; }
}

.admin-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  overflow-y: auto;
  padding: 2rem;
}
.admin-modal[hidden] {
  display: none;
}

.admin-modal-panel {
  background: var(--warm-white);
  border: 4px solid var(--dark-brown);
  border-radius: 24px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem;
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.3);
}

.admin-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 3px solid var(--paper);
}
.admin-modal-header h2 {
  margin: 0.25rem 0 0.5rem;
  color: var(--dark-brown);
  font-size: 1.8rem;
}

.admin-close-button {
  background: var(--warm-white);
  border: 3px solid var(--dark-brown);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 2rem;
  line-height: 1;
  color: var(--rust);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .15s ease;
  flex-shrink: 0;
}
.admin-close-button:hover {
  background: var(--rust);
  color: var(--warm-white);
  transform: rotate(90deg);
}

.admin-save-row {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 3px solid var(--paper);
  display: flex;
  justify-content: flex-end;
}

.admin-modal-panel .admin-toolbar {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.admin-modal-panel .admin-toolbar > label {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 200px;
}