/* css/styles.css — MAF v5 — Burnt Orange + Cream */
@import url('https://fonts.googleapis.com/css2?family=Fredoka+One&family=Nunito:wght@400;600;700;900&display=swap');

:root {
  --bg:       #2C1A0E;
  --surf:     #3D2210;
  --surf2:    #4A2A14;
  --edge:     #6B3A1F;
  --ora:      #C9561E;
  --ora-lt:   #E07040;
  --ora-dk:   #A03010;
  --cream:    #F5EDD8;
  --cream-dk: #D4C4A0;
  --muted:    #A08060;
  --green:    #5A8A3C;
  --red:      #B03020;
  --amber:    #C8821A;
  --font-display: 'Fredoka One', cursive;
  --font-body:    'Nunito', sans-serif;
  --radius:   14px;
  --radius-sm: 9px;
  --shadow:   0 4px 24px rgba(0,0,0,.35);
}

/* ── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--cream);
  background:
    radial-gradient(ellipse 120% 60% at 20% -10%, rgba(201,86,30,.18), transparent),
    radial-gradient(ellipse 80% 60% at 90% 110%,  rgba(100,40,10,.25), transparent),
    var(--bg);
  -webkit-text-size-adjust: 100%; /* prevent iOS zoom */
}
a { color: var(--ora-lt); text-decoration: none; }
input, select, button { font-family: var(--font-body); font-size: 16px; }

/* ── NAV BAR ─────────────────────────────────────────────────── */
.topnav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  background: linear-gradient(180deg, rgba(42,16,4,.97), rgba(42,16,4,.80));
  border-bottom: 1px solid var(--edge);
  backdrop-filter: blur(10px);
  gap: 12px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-logo {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--ora);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 18px; color: var(--cream);
  box-shadow: 0 0 16px rgba(201,86,30,.5);
}
.nav-title {
  font-family: var(--font-display); font-size: 20px;
  color: var(--cream); letter-spacing: .5px;
}
.nav-right { display: flex; align-items: center; gap: 10px; }
.nav-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--surf2); border: 2px solid var(--ora);
  overflow: hidden; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.nav-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ── ROBUX METER (in nav) ───────────────────────────────────── */
.robux-meter {
  flex: 1; max-width: 300px;
  background: var(--surf2); border: 1px solid var(--edge);
  border-radius: 30px; padding: 6px 12px;
  cursor: pointer; transition: border-color .2s;
  display: flex; align-items: center; gap: 8px;
}
.robux-meter:hover { border-color: var(--ora); }
.meter-icon { font-size: 16px; flex-shrink: 0; }
.meter-bar-wrap { flex: 1; }
.meter-label {
  font-size: 10px; color: var(--muted); margin-bottom: 3px;
  display: flex; justify-content: space-between;
}
.meter-bar-bg {
  background: var(--bg); border-radius: 20px; height: 6px; overflow: hidden;
}
.meter-bar-fill {
  height: 100%; border-radius: 20px;
  background: linear-gradient(90deg, var(--amber), var(--ora));
  transition: width .6s cubic-bezier(.34,1.56,.64,1);
}
.meter-bar-fill.complete {
  background: linear-gradient(90deg, var(--green), #8fcf5a);
  animation: pulse-bar 1s ease-in-out infinite alternate;
}
@keyframes pulse-bar { from { opacity:.7; } to { opacity:1; } }

/* ── LAYOUT ──────────────────────────────────────────────────── */
.page { display: flex; min-height: calc(100vh - 57px); }

/* Sidebar (landscape) */
.sidebar {
  width: 190px; flex-shrink: 0;
  background: var(--surf);
  border-right: 1px solid var(--edge);
  padding: 16px 12px;
  display: flex; flex-direction: column; gap: 4px;
  position: sticky; top: 57px;
  height: calc(100vh - 57px);
  overflow-y: auto;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; color: var(--muted);
  cursor: pointer; transition: all .15s; text-decoration: none;
}
.nav-item:hover { background: var(--surf2); color: var(--cream); }
.nav-item.active { background: var(--ora); color: var(--cream); }
.nav-item .icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-spacer { flex: 1; }
.sidebar-robux {
  background: var(--surf2); border: 1px solid var(--edge);
  border-radius: var(--radius-sm); padding: 10px;
}
.sr-label { font-size: 10px; color: var(--muted); margin-bottom: 3px; }
.sr-val { font-size: 18px; font-weight: 900; color: var(--ora-lt); font-family: var(--font-display); }
.sr-sub { font-size: 10px; color: var(--muted); margin-top: 1px; }
.sr-bar { background: var(--bg); border-radius: 20px; height: 5px; margin-top: 6px; overflow: hidden; }
.sr-fill { background: var(--ora); height: 100%; border-radius: 20px; transition: width .6s; }

.main-content { flex: 1; padding: 20px; overflow-y: auto; }

/* Hide sidebar on narrow screens */
@media (max-width: 700px) {
  .sidebar { display: none; }
  .robux-meter { max-width: 180px; }
}

/* ── CARDS ───────────────────────────────────────────────────── */
.card {
  background: linear-gradient(160deg, var(--surf), var(--surf2));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.card-title {
  font-family: var(--font-display); font-size: 18px;
  color: var(--cream); margin-bottom: 4px;
}
.card-sub { font-size: 12px; color: var(--muted); margin-bottom: 12px; }

/* ── GRIDS ───────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; padding: 12px 20px;
  border-radius: var(--radius-sm); border: 1px solid var(--edge);
  background: var(--surf2); color: var(--cream);
  font-family: var(--font-body); font-size: 15px; font-weight: 700;
  cursor: pointer; transition: all .15s; min-height: 48px;
}
.btn:hover { background: var(--surf); border-color: var(--ora); }
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(160deg, var(--ora), var(--ora-dk));
  border-color: var(--ora); color: var(--cream);
}
.btn-primary:hover { background: linear-gradient(160deg, var(--ora-lt), var(--ora)); }
.btn-ghost { background: transparent; border-color: var(--edge); }
.btn-lg { padding: 16px 28px; font-size: 17px; border-radius: var(--radius); }
.btn-sm { padding: 8px 14px; font-size: 13px; min-height: 36px; }

/* ── INPUTS ──────────────────────────────────────────────────── */
.input, select {
  width: 100%; padding: 12px 14px;
  border-radius: var(--radius-sm); border: 1px solid var(--edge);
  background: var(--bg); color: var(--cream);
  font-size: 16px; /* 16px prevents iOS zoom */
  transition: border-color .15s;
}
.input:focus, select:focus {
  outline: none; border-color: var(--ora);
  box-shadow: 0 0 0 3px rgba(201,86,30,.2);
}
select option { background: var(--surf); }
.label { font-size: 12px; color: var(--muted); margin-bottom: 6px; font-weight: 600; }

/* ── BADGES / PILLS ──────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--surf2); border: 1px solid var(--edge);
  color: var(--cream-dk); padding: 4px 10px;
  border-radius: 30px; font-size: 12px; font-weight: 600;
}
.badge-ora  { background: rgba(201,86,30,.2); border-color: var(--ora); color: var(--ora-lt); }
.badge-grn  { background: rgba(90,138,60,.2); border-color: var(--green); color: #8fcf5a; }
.badge-red  { background: rgba(176,48,32,.2); border-color: var(--red); color: #e06050; }
.badge-amb  { background: rgba(200,130,26,.2); border-color: var(--amber); color: var(--amber); }

/* ── STAT CARDS ──────────────────────────────────────────────── */
.stat-card {
  background: var(--surf); border: 1px solid var(--edge);
  border-radius: var(--radius); padding: 14px;
  display: flex; flex-direction: column; gap: 2px;
}
.stat-num { font-family: var(--font-display); font-size: 28px; color: var(--cream); }
.stat-lbl { font-size: 11px; color: var(--muted); }

/* ── PROGRESS BARS ───────────────────────────────────────────── */
.bar-bg { background: var(--bg); border-radius: 20px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 20px; transition: width .5s; }
.bar-green  { background: var(--green); }
.bar-amber  { background: var(--amber); }
.bar-red    { background: var(--red); }
.bar-ora    { background: var(--ora); }

/* ── AVATAR GRID ─────────────────────────────────────────────── */
.avatar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 10px;
}
.avatar-option {
  width: 100%; aspect-ratio: 1;
  border-radius: var(--radius); border: 3px solid transparent;
  background: var(--surf2); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .15s; padding: 6px;
  min-height: 72px; /* big touch target */
}
.avatar-option img { width: 100%; height: 100%; object-fit: contain; }
.avatar-option:hover { border-color: var(--ora-lt); transform: scale(1.05); }
.avatar-option.selected {
  border-color: var(--ora);
  box-shadow: 0 0 18px rgba(201,86,30,.45);
  background: rgba(201,86,30,.15);
}

/* ── PROBLEM DISPLAY ─────────────────────────────────────────── */
.problem-box {
  background: var(--bg); border: 1px solid var(--edge);
  border-radius: var(--radius); padding: 28px 20px;
  text-align: center;
}
.problem-txt {
  font-family: var(--font-display); font-size: 48px;
  color: var(--cream); letter-spacing: 2px;
}
.problem-type { font-size: 12px; color: var(--muted); margin-top: 6px; }
.clock-wrap { display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap; }
svg.clock { border-radius: var(--radius); border: 1px solid var(--edge); }

/* ── ANSWER INPUT (big for iPad) ─────────────────────────────── */
.answer-input {
  text-align: center; font-family: var(--font-display);
  font-size: 28px; color: var(--ora-lt);
  padding: 14px; border-radius: var(--radius-sm);
  border: 2px solid var(--edge); background: var(--bg);
  width: 100%; transition: border-color .15s;
}
.answer-input:focus { outline: none; border-color: var(--ora); box-shadow: 0 0 0 3px rgba(201,86,30,.2); }

/* ── PROGRESS BAR (workbook) ─────────────────────────────────── */
.session-progress { height: 7px; border-radius: 20px; background: var(--bg); overflow: hidden; margin-bottom: 12px; }
.session-progress-fill { height: 100%; border-radius: 20px; background: linear-gradient(90deg, var(--amber), var(--ora)); transition: width .4s; }

/* ── TOAST ───────────────────────────────────────────────────── */
.toast {
  position: fixed; right: 18px; bottom: 18px; z-index: 9999;
  background: var(--surf); border: 1px solid var(--edge);
  color: var(--cream); padding: 12px 18px;
  border-radius: var(--radius); box-shadow: var(--shadow);
  font-size: 14px; font-weight: 600;
  opacity: 0; transform: translateY(8px);
  transition: opacity .25s, transform .25s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.toast-correct { border-color: var(--green); }
.toast.toast-wrong   { border-color: var(--red); }

/* ── VOICE STRIP ─────────────────────────────────────────────── */
.voice-strip {
  background: var(--bg); border: 1px solid var(--edge);
  border-radius: var(--radius-sm); padding: 10px 14px;
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  transition: border-color .2s;
}
.voice-strip:hover, .voice-strip.listening { border-color: var(--ora); }
.voice-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); transition: background .2s; }
.voice-strip.listening .voice-dot { background: var(--ora); animation: voice-pulse .8s ease-in-out infinite alternate; }
@keyframes voice-pulse { from { opacity:.4; } to { opacity:1; } }
.voice-label { font-size: 13px; color: var(--muted); }
.voice-strip.listening .voice-label { color: var(--ora-lt); }
.voice-waves { display: flex; align-items: center; gap: 3px; margin-left: auto; }
.voice-wave-bar { width: 3px; background: var(--ora-lt); border-radius: 2px; opacity: 0; }
.voice-strip.listening .voice-wave-bar { opacity: .7; animation: wave-anim .6s ease-in-out infinite alternate; }
.voice-wave-bar:nth-child(2) { animation-delay: .1s; }
.voice-wave-bar:nth-child(3) { animation-delay: .2s; }
.voice-wave-bar:nth-child(4) { animation-delay: .3s; }
.voice-wave-bar:nth-child(5) { animation-delay: .4s; }
@keyframes wave-anim { from { height: 4px; } to { height: 14px; } }

/* ── CHAT BUBBLES (tutor) ────────────────────────────────────── */
.chat-thread { display: flex; flex-direction: column; gap: 10px; }
.bubble {
  background: var(--surf); border: 1px solid var(--edge);
  border-radius: var(--radius); border-bottom-left-radius: 4px;
  padding: 10px 14px; font-size: 14px; color: var(--cream-dk);
  line-height: 1.55; max-width: 85%;
}
.bubble.user {
  background: var(--ora); border-color: var(--ora-dk); color: var(--cream);
  border-bottom-left-radius: var(--radius); border-bottom-right-radius: 4px;
  align-self: flex-end;
}

/* ── TABLE ───────────────────────────────────────────────────── */
.table { width: 100%; border-collapse: collapse; }
.table th { font-size: 11px; color: var(--muted); text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--edge); }
.table td { font-size: 13px; color: var(--cream-dk); padding: 10px 10px; border-bottom: 1px solid var(--edge); }
.table tr:last-child td { border-bottom: none; }

/* ── CELEBRATION OVERLAY ─────────────────────────────────────── */
.celebrate-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(44,26,14,.85);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; opacity: 0; pointer-events: none;
  transition: opacity .3s;
}
.celebrate-overlay.show { opacity: 1; pointer-events: all; }
.celebrate-emoji { font-size: 80px; animation: bounce-in .4s cubic-bezier(.34,1.56,.64,1); }
.celebrate-title {
  font-family: var(--font-display); font-size: 36px; color: var(--cream);
  text-align: center;
}
.celebrate-sub { font-size: 16px; color: var(--cream-dk); text-align: center; }
.celebrate-code {
  font-family: monospace; font-size: 28px; font-weight: 900;
  color: var(--ora-lt); letter-spacing: 4px;
  background: var(--surf); border: 2px solid var(--ora);
  border-radius: var(--radius); padding: 14px 28px;
  animation: glow-pulse 1.5s ease-in-out infinite alternate;
}
@keyframes glow-pulse { from { box-shadow: 0 0 10px rgba(201,86,30,.3); } to { box-shadow: 0 0 30px rgba(201,86,30,.8); } }
@keyframes bounce-in { from { transform: scale(0); } to { transform: scale(1); } }

/* ── SECTION TITLES ──────────────────────────────────────────── */
.section-title {
  font-family: var(--font-display); font-size: 22px;
  color: var(--cream); margin-bottom: 4px;
}
.section-sub { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
hr.divider { border: 0; border-top: 1px solid var(--edge); margin: 16px 0; }

/* ── LEADERBOARD ROWS ────────────────────────────────────────── */
.lb-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-bottom: 1px solid var(--edge);
}
.lb-row:last-child { border-bottom: none; }
.lb-rank { font-family: var(--font-display); font-size: 20px; color: var(--muted); width: 28px; }
.lb-rank.top { color: var(--amber); }
.lb-name { flex: 1; font-size: 14px; font-weight: 700; color: var(--cream); }
.lb-score { font-family: var(--font-display); font-size: 18px; color: var(--ora-lt); }

/* ── UTILITY ─────────────────────────────────────────────────── */
.row { display: flex; align-items: center; gap: 10px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mb-12 { margin-bottom: 12px; }
.text-muted { color: var(--muted); font-size: 13px; }
.text-sm    { font-size: 12px; }
.kpi { font-family: var(--font-display); font-size: 26px; color: var(--cream); }
.hidden { display: none !important; }