/* ============================================================
   StudentToken (STK) — style.css
   ============================================================ */

/* ── Reset & Custom Properties ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:        #6c63ff;
  --primary-dark:   #4b44cc;
  --primary-light:  #8b85ff;
  --accent:         #00d4aa;
  --accent-dark:    #009e7e;
  --bg:             #0a0b18;
  --bg-card:        #12142a;
  --bg-card-2:      #1a1d38;
  --bg-hover:       #20234a;
  --border:         #252848;
  --border-light:   #2e3160;
  --text:           #e8eaf6;
  --text-muted:     #7b7fa8;
  --text-dim:       #4a4e72;
  --success:        #00d4aa;
  --warning:        #f59e0b;
  --error:          #f43f5e;
  --radius-sm:      8px;
  --radius:         14px;
  --radius-lg:      20px;
  --shadow:         0 4px 32px rgba(0,0,0,.5);
  --shadow-card:    0 2px 16px rgba(0,0,0,.35);
  --glow:           0 0 32px rgba(108,99,255,.18);
  --transition:     0.2s ease;
  --header-h:       64px;
}

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* ── Utility ────────────────────────────────────────────────── */
.hidden   { display: none !important; }
.grad-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mt-1    { margin-top: .75rem; }
.full-width { width: 100%; }
.accent  { color: var(--accent); }

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 99px; }

/* ── Focus outline ─────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Typography helpers ────────────────────────────────────── */
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
strong { color: var(--text); }

/* ══════════════════════════════════════════════════════════════
   HEADER / NAV
══════════════════════════════════════════════════════════════ */
#siteHeader {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--header-h);
  background: rgba(10, 11, 24, .85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
#siteHeader.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.4); }

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Logo */
.logo {
  display: flex; align-items: center; gap: .5rem;
  font-size: 1.1rem; font-weight: 800; letter-spacing: -.02em;
  flex-shrink: 0; text-decoration: none;
}
.logo-coin { width: 32px; height: 32px; flex-shrink: 0; }
.logo-coin svg { width: 100%; height: 100%; }
.logo-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Desktop nav */
#mainNav { flex: 1; }
#mainNav ul { list-style: none; display: flex; align-items: center; gap: .25rem; }
.nav-link {
  padding: .4rem .75rem;
  border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 500; color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
}
.nav-link:hover { color: var(--text); background: var(--bg-card-2); }

/* Connect button */
.nav-actions { display: flex; align-items: center; gap: .75rem; }
.btn-connect {
  display: flex; align-items: center; gap: .5rem;
  padding: .45rem 1.1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; border: none; border-radius: 999px;
  font-size: .875rem; font-weight: 600; cursor: pointer;
  transition: opacity var(--transition), transform .1s;
  white-space: nowrap;
}
.btn-connect:hover { opacity: .88; transform: translateY(-1px); }
.btn-connect.connected {
  background: linear-gradient(135deg, var(--success), var(--accent-dark));
}
.btn-connect-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,.5);
  transition: background var(--transition);
}
.btn-connect.connected .btn-connect-dot {
  background: #fff;
  box-shadow: 0 0 6px #fff;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; } 50% { opacity: .4; }
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; width: 36px; height: 36px;
  background: transparent; border: 1px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer; padding: 0;
}
.hamburger span {
  display: block; width: 18px; height: 2px;
  background: var(--text-muted); border-radius: 2px;
  transition: transform .25s, opacity .25s, width .25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid var(--border);
  background: rgba(10,11,24,.97);
  backdrop-filter: blur(16px);
}
.mobile-nav ul { list-style: none; display: flex; flex-direction: column; gap: .25rem; }
.mobile-nav ul a {
  display: block; padding: .65rem .75rem;
  border-radius: var(--radius-sm); font-weight: 500;
  color: var(--text-muted); transition: color var(--transition), background var(--transition);
}
.mobile-nav ul a:hover { color: var(--text); background: var(--bg-card-2); }
.mobile-nav.open { display: flex; }

/* ── Main wrapper ────────────────────────────────────────────── */
main {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--header-h) + 2rem) 1.5rem 5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* ══════════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════════ */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 1rem 1.5rem;
  gap: 2.5rem;
  position: relative;
}

/* Ambient glow behind coin */
.hero::before {
  content: '';
  position: absolute;
  top: 10%; left: 50%; transform: translateX(-50%);
  width: 400px; height: 300px;
  background: radial-gradient(ellipse, rgba(108,99,255,.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ── Animated token graphic ────────────────────────────────── */
.token-graphic {
  position: relative;
  width: 200px; height: 200px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  z-index: 1;
}

.token-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: spin linear infinite;
}
.ring-1 {
  width: 160px; height: 160px;
  border-color: rgba(108,99,255,.35);
  animation-duration: 10s;
}
.ring-2 {
  width: 185px; height: 185px;
  border-color: rgba(0,212,170,.2);
  border-style: dashed;
  animation-duration: 18s;
  animation-direction: reverse;
}
.ring-3 {
  width: 200px; height: 200px;
  border-color: rgba(108,99,255,.1);
  animation-duration: 28s;
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.token-coin {
  position: relative;
  width: 120px; height: 120px;
  animation: float 4s ease-in-out infinite;
  filter: drop-shadow(0 0 24px rgba(108,99,255,.5));
}
.token-coin svg { width: 100%; height: 100%; }

@keyframes float {
  0%,100% { transform: translateY(0);    }
  50%      { transform: translateY(-10px); }
}

/* Particles */
.coin-particles { position: absolute; inset: 0; pointer-events: none; }
.particle {
  position: absolute;
  border-radius: 50%;
  animation: orbit linear infinite;
}
.p1 { width:6px;height:6px; background:var(--primary);  top:10%; left:50%; animation-duration:3s;   animation-delay:0s;    }
.p2 { width:4px;height:4px; background:var(--accent);   top:50%; left:90%; animation-duration:4.5s; animation-delay:.5s;  }
.p3 { width:5px;height:5px; background:var(--primary);  top:80%; left:60%; animation-duration:3.8s; animation-delay:1s;   }
.p4 { width:3px;height:3px; background:var(--accent);   top:70%; left:15%; animation-duration:5s;   animation-delay:1.5s; }
.p5 { width:4px;height:4px; background:var(--primary-light); top:20%; left:20%; animation-duration:4s; animation-delay:.8s; }
.p6 { width:6px;height:6px; background:var(--accent);   top:45%; left:5%;  animation-duration:3.5s; animation-delay:.3s;  }

@keyframes orbit {
  0%   { transform: scale(1)   translateY(0);    opacity: 1;  }
  50%  { transform: scale(1.3) translateY(-16px); opacity: .7; }
  100% { transform: scale(1)   translateY(0);    opacity: 1;  }
}

/* ── Hero text ─────────────────────────────────────────────── */
.hero-text { z-index: 1; max-width: 560px; }
.hero-badge {
  display: inline-block;
  padding: .3rem .85rem;
  background: rgba(108,99,255,.15);
  border: 1px solid rgba(108,99,255,.3);
  border-radius: 999px;
  font-size: .78rem; font-weight: 600;
  color: var(--primary-light); letter-spacing: .06em;
  text-transform: uppercase; margin-bottom: .75rem;
}
.hero-text h1 {
  font-size: clamp(2.4rem, 7vw, 4rem);
  font-weight: 900; letter-spacing: -.04em;
  line-height: 1.1; margin-bottom: .75rem;
}
.tagline {
  font-size: 1.05rem; color: var(--text-muted);
  max-width: 480px; margin: 0 auto 1.75rem;
}
.hero-cta { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }

/* ── Stats bar ─────────────────────────────────────────────── */
.stats-bar {
  display: flex; flex-wrap: wrap; justify-content: center;
  align-items: center; gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  width: 100%; max-width: 700px;
  z-index: 1;
}
.stat-item {
  flex: 1; min-width: 120px;
  display: flex; flex-direction: column; align-items: center;
  padding: 1rem 1.25rem; gap: .2rem;
}
.stat-divider {
  width: 1px; height: 40px;
  background: var(--border);
  flex-shrink: 0;
}
.stat-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); }
.stat-value { font-size: 1rem; font-weight: 700; color: var(--text); }

/* ══════════════════════════════════════════════════════════════
   SHARED SECTION STYLES
══════════════════════════════════════════════════════════════ */
.section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
}
.section h2 {
  font-size: 1.2rem; font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: .6rem;
}
.section h2::before {
  content: '';
  flex-shrink: 0;
  display: inline-block;
  width: 3px; height: 1.1em;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  border-radius: 2px;
}
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.5rem;
}
.section-header h2 { margin-bottom: 0; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .6rem 1.6rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; border: none; border-radius: 999px;
  font-size: .95rem; font-weight: 600; cursor: pointer;
  transition: opacity var(--transition), transform .1s;
  text-decoration: none;
}
.btn-primary:hover  { opacity: .88; transform: translateY(-1px); color: #fff; }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; transform: none; }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .6rem 1.6rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  font-size: .95rem; font-weight: 600; cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  text-decoration: none;
}
.btn-outline:hover { color: var(--text); border-color: var(--primary); background: rgba(108,99,255,.08); }

.btn-sm {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .35rem .85rem;
  background: var(--bg-card-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .8rem; font-weight: 600; color: var(--text-muted);
  cursor: pointer; transition: color var(--transition), border-color var(--transition);
}
.btn-sm:hover { color: var(--text); border-color: var(--primary); }
.btn-sm svg   { flex-shrink: 0; }

.link-btn {
  background: none; border: none; cursor: pointer;
  color: var(--primary); font-size: .85rem; font-weight: 600;
  padding: 0; transition: color var(--transition);
}
.link-btn:hover { color: var(--accent); }

/* ── Connect prompt (reused) ───────────────────────────────── */
.connect-prompt {
  display: flex; flex-direction: column; align-items: center;
  gap: 1rem; padding: 2.5rem 1rem; text-align: center; color: var(--text-muted);
}
.connect-prompt.small { padding: 1.5rem 1rem; }
.prompt-icon { font-size: 2.5rem; }

/* ── Alert ─────────────────────────────────────────────────── */
.alert {
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  font-size: .9rem;
  margin-bottom: 1.25rem;
  display: flex; align-items: center; gap: .5rem;
}
.alert-warning {
  background: rgba(245,158,11,.12);
  border: 1px solid rgba(245,158,11,.3);
  color: #fbbf24;
}

/* ── Address box (shared) ──────────────────────────────────── */
.address-box {
  display: flex; align-items: center; gap: .75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  overflow-x: auto;
}
.address-box.large { padding: .9rem 1.1rem; }
.address-box code {
  flex: 1; font-size: .88rem;
  font-family: 'Courier New', 'Consolas', monospace;
  color: var(--accent); word-break: break-all;
}
.copy-btn {
  flex-shrink: 0;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: 6px; padding: .4rem;
  cursor: pointer; color: var(--text-muted);
  transition: color var(--transition), border-color var(--transition), transform .15s;
  display: flex; align-items: center; justify-content: center;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); transform: scale(1.1); }

/* ── Etherscan link ────────────────────────────────────────── */
.etherscan-link {
  display: inline-flex; align-items: center; gap: .5rem;
  margin-top: .9rem;
  padding: .55rem 1.1rem;
  background: rgba(33,50,91,.35);
  border: 1px solid rgba(33,50,91,.7);
  border-radius: var(--radius-sm);
  font-size: .875rem; font-weight: 600;
  color: #7ec8e3;
  transition: background var(--transition), border-color var(--transition);
  text-decoration: none;
}
.etherscan-link:hover {
  background: rgba(33,50,91,.6);
  border-color: #7ec8e3;
  color: #7ec8e3;
}
.etherscan-link svg { flex-shrink: 0; border-radius: 50%; }

/* ══════════════════════════════════════════════════════════════
   DASHBOARD
══════════════════════════════════════════════════════════════ */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.dash-card {
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  display: flex; flex-direction: column; gap: .35rem;
  transition: border-color var(--transition), transform var(--transition);
}
.dash-card:hover { border-color: var(--border-light); transform: translateY(-2px); }

.dash-card.primary-card {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(108,99,255,.12), rgba(0,212,170,.08));
  border-color: rgba(108,99,255,.35);
  box-shadow: var(--glow);
}
.dash-card-label {
  font-size: .73rem; text-transform: uppercase;
  letter-spacing: .08em; color: var(--text-muted);
}
.dash-card-value {
  font-size: 1.85rem; font-weight: 800; color: var(--text);
  display: flex; align-items: baseline; gap: .4rem;
  line-height: 1.2;
}
.dash-card-value.small { font-size: 1.25rem; }
.balance-sym { font-size: 1rem; font-weight: 600; color: var(--accent); }
.dash-card-sub { font-size: .78rem; color: var(--text-muted); }
.dash-wallet-address {
  font-family: 'Courier New', monospace;
  font-size: .82rem; color: var(--accent);
  word-break: break-all; line-height: 1.5;
}

/* ══════════════════════════════════════════════════════════════
   TRANSFER — TABS & FORMS
══════════════════════════════════════════════════════════════ */
.tabs {
  display: flex; gap: .5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: .5rem;
}
.tab {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem 1.1rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 600; cursor: pointer;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.tab:hover  { color: var(--text); background: var(--bg-card-2); }
.tab.active {
  color: var(--primary-light);
  background: rgba(108,99,255,.12);
  border-color: rgba(108,99,255,.3);
}
.tab-panel { animation: fadeIn .2s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* Form */
.token-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group  { display: flex; flex-direction: column; gap: .4rem; }
.form-group label {
  font-size: .85rem; font-weight: 600; color: var(--text);
}
.form-group input[type="text"],
.form-group input[type="number"] {
  width: 100%;
  padding: .7rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text); font-size: .95rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,.15);
}
.form-group input::placeholder { color: var(--text-dim); }
.form-hint { font-size: .8rem; color: var(--text-muted); }

.input-with-max { position: relative; }
.input-with-max input { padding-right: 4.5rem; }
.max-btn {
  position: absolute; right: .6rem; top: 50%; transform: translateY(-50%);
  padding: .25rem .6rem;
  background: rgba(108,99,255,.15);
  border: 1px solid rgba(108,99,255,.3);
  border-radius: 4px;
  font-size: .75rem; font-weight: 700; color: var(--primary-light);
  cursor: pointer; transition: background var(--transition);
}
.max-btn:hover { background: rgba(108,99,255,.28); }

.form-msg {
  padding: .7rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .875rem; font-weight: 500;
}
.form-msg.error   { background: rgba(244,63,94,.1);  border: 1px solid rgba(244,63,94,.3);  color: #fb7185; }
.form-msg.success { background: rgba(0,212,170,.1);  border: 1px solid rgba(0,212,170,.3);  color: var(--accent); }

/* Receive panel */
.receive-intro { color: var(--text-muted); font-size: .9rem; margin-bottom: 1.25rem; }
.qr-placeholder {
  margin: 0 auto 1.25rem;
  width: 140px; height: 140px;
  background: var(--bg);
  border: 1px solid var(--border); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
}
.qr-inner {
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  color: var(--text-muted); font-size: .75rem;
}

/* ══════════════════════════════════════════════════════════════
   CONTRACT INFO
══════════════════════════════════════════════════════════════ */
.contract-grid {
  display: flex; flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.contract-row {
  display: flex; align-items: baseline; gap: 1rem;
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.contract-row:last-child { border-bottom: none; }
.contract-row:hover { background: var(--bg-card-2); }
.contract-key { font-size: .82rem; color: var(--text-muted); width: 130px; flex-shrink: 0; }
.contract-val { font-size: .9rem; font-weight: 600; color: var(--text); }

.contract-address-block { }
.contract-address-label { font-size: .82rem; color: var(--text-muted); margin-bottom: .5rem; font-weight: 600; }

/* ══════════════════════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════════════════════ */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2rem; margin-bottom: 2rem;
}
.about-text p { color: var(--text-muted); margin-bottom: .85rem; }
.about-text p:last-child { margin-bottom: 0; }

.about-features { display: flex; flex-direction: column; gap: .85rem; }
.feature-card {
  display: flex; align-items: flex-start; gap: .85rem;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: .9rem 1rem;
  transition: border-color var(--transition);
}
.feature-card:hover { border-color: var(--primary); }
.feature-icon { font-size: 1.4rem; flex-shrink: 0; line-height: 1; }
.feature-card p { font-size: .85rem; color: var(--text-muted); margin-top: .15rem; }

.howto-block {
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
}
.howto-block h3 { font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.steps-list { list-style: none; counter-reset: steps; display: flex; flex-direction: column; gap: .65rem; }
.steps-list li {
  counter-increment: steps;
  display: flex; align-items: flex-start; gap: .85rem;
  color: var(--text-muted); font-size: .9rem;
}
.steps-list li::before {
  content: counter(steps);
  flex-shrink: 0; width: 1.6rem; height: 1.6rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 800; color: #fff;
  margin-top: .05rem;
}
.steps-list em { color: var(--accent); font-style: normal; }

/* ══════════════════════════════════════════════════════════════
   FAQ ACCORDION
══════════════════════════════════════════════════════════════ */
.faq-list { display: flex; flex-direction: column; gap: .6rem; }

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:has(.faq-q[aria-expanded="true"]) { border-color: var(--primary); }

.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 1.1rem;
  background: var(--bg-card-2);
  border: none; cursor: pointer;
  font-size: .95rem; font-weight: 600; color: var(--text);
  text-align: left;
  transition: background var(--transition), color var(--transition);
}
.faq-q:hover { background: var(--bg-hover); }

/* Chevron */
.faq-chevron {
  flex-shrink: 0; width: 18px; height: 18px;
  position: relative;
}
.faq-chevron::before,
.faq-chevron::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 8px; height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: transform .25s ease;
}
.faq-chevron::before { transform: translate(-100%, -50%) rotate(45deg);  }
.faq-chevron::after  { transform: translate(-1px,  -50%) rotate(-45deg); }

.faq-q[aria-expanded="true"] .faq-chevron::before { transform: translate(-100%, -50%) rotate(-45deg); }
.faq-q[aria-expanded="true"] .faq-chevron::after  { transform: translate(-1px,  -50%) rotate(45deg);  }
.faq-q[aria-expanded="true"] { background: rgba(108,99,255,.08); color: var(--primary-light); }

.faq-a {
  padding: .9rem 1.1rem 1.1rem;
  font-size: .9rem; color: var(--text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  animation: fadeIn .2s ease;
}
.faq-a a { font-weight: 600; }

/* ══════════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════════ */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  margin-top: auto;
}
.footer-inner {
  max-width: 960px; margin: 0 auto;
  display: flex; flex-direction: column; align-items: center;
  gap: .85rem; text-align: center;
}
.footer-logo { font-size: 1.1rem; font-weight: 700; display: flex; align-items: center; gap: .4rem; }
.footer-desc { font-size: .85rem; color: var(--text-muted); max-width: 420px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 1.5rem; }
.footer-links a { font-size: .85rem; color: var(--text-muted); }
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-size: .78rem; color: var(--text-dim); }

/* ══════════════════════════════════════════════════════════════
   TOAST
══════════════════════════════════════════════════════════════ */
.toast {
  position: fixed; bottom: 1.75rem; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-card-2);
  border: 1px solid var(--border-light);
  color: var(--text);
  font-size: .875rem; font-weight: 600;
  padding: .6rem 1.4rem;
  border-radius: 999px;
  box-shadow: var(--shadow);
  opacity: 0; pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 500;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.toast.type-success { border-color: rgba(0,212,170,.4); color: var(--accent); }
.toast.type-error   { border-color: rgba(244,63,94,.4); color: #fb7185; }
.toast.type-warn    { border-color: rgba(245,158,11,.4); color: #fbbf24; }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — TABLET & MOBILE
══════════════════════════════════════════════════════════════ */

/* Tablet ≤ 768px */
@media (max-width: 768px) {
  /* Nav */
  #mainNav { display: none; }
  .hamburger { display: flex; }

  /* Hero layout */
  .hero { padding: 2rem .5rem 1rem; gap: 1.75rem; }
  .hero::before { width: 280px; height: 200px; }
  .token-graphic { width: 160px; height: 160px; }
  .ring-1 { width: 128px; height: 128px; }
  .ring-2 { width: 148px; height: 148px; }
  .ring-3 { width: 160px; height: 160px; }
  .token-coin { width: 96px; height: 96px; }

  /* Stats bar */
  .stats-bar { flex-wrap: nowrap; overflow-x: auto; scroll-snap-type: x mandatory; }
  .stat-item { min-width: 110px; scroll-snap-align: start; }
  .stat-divider { height: 30px; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 1.25rem; }

  /* Dashboard */
  .dashboard-grid { grid-template-columns: 1fr; }
  .dash-card.primary-card { grid-column: span 1; }
}

/* Mobile ≤ 540px */
@media (max-width: 540px) {
  :root { --header-h: 56px; }

  .nav-inner { padding: 0 1rem; }

  main { padding-top: calc(var(--header-h) + 1.25rem); padding-left: 1rem; padding-right: 1rem; gap: 1.5rem; }

  .section { padding: 1.4rem 1.1rem; border-radius: var(--radius); }

  .hero-text h1 { font-size: 2.4rem; }

  .stats-bar { border-radius: var(--radius-sm); }

  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn-primary,
  .hero-cta .btn-outline { text-align: center; }

  .tabs { gap: .35rem; }
  .tab  { padding: .45rem .75rem; font-size: .82rem; }

  .contract-key { width: 100px; }

  .faq-q { font-size: .875rem; padding: .85rem .9rem; }

  footer { padding: 1.75rem 1rem; }

  .address-box code { font-size: .78rem; }
}

/* Very small ≤ 380px */
@media (max-width: 380px) {
  .hero-text h1 { font-size: 2rem; }
  .logo-text { display: none; }
  .btn-connect { padding: .4rem .85rem; font-size: .8rem; }
}


/* ══════════════════════════════════════════════════════════════
   DAILY TOKEN QUEST
   All selectors are prefixed .quest-* so nothing clashes with
   the existing site styles.
══════════════════════════════════════════════════════════════ */

/* ── Quest nav link highlight ─────────────────────────────── */
.quest-nav-link {
  color: var(--accent) !important;
  font-weight: 700 !important;
}
.quest-nav-link:hover {
  background: rgba(0,212,170,.1) !important;
  color: var(--accent) !important;
}

/* ── Section wrapper ──────────────────────────────────────── */
.quest-section {
  /* inherits .section — bg-card, border, radius-lg, shadow */
  padding: 2rem;
}

/* ── Heading row ──────────────────────────────────────────── */
.quest-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.75rem;
}
.quest-heading h2 { margin-bottom: 0; }

.quest-network-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .28rem .85rem;
  background: rgba(0,212,170,.1);
  border: 1px solid rgba(0,212,170,.3);
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ── Reward card ──────────────────────────────────────────── */
.quest-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg,
    rgba(108,99,255,.1) 0%,
    rgba(0,212,170,.06) 100%);
  border: 1px solid rgba(108,99,255,.3);
  border-radius: var(--radius-lg);
  padding: 2rem 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  box-shadow: 0 0 48px rgba(108,99,255,.12);
  margin-bottom: 1.75rem;
}
/* subtle ambient glow */
.quest-card::before {
  content: '';
  position: absolute;
  top: -40px; left: 50%; transform: translateX(-50%);
  width: 320px; height: 180px;
  background: radial-gradient(ellipse,
    rgba(108,99,255,.18) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.quest-card > * { position: relative; z-index: 1; }

/* ── Animated coin ────────────────────────────────────────── */
.quest-coin-wrap {
  position: relative;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.quest-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: spin linear infinite;
}
.qr1 {
  width: 114px; height: 114px;
  border-color: rgba(108,99,255,.4);
  animation-duration: 9s;
}
.qr2 {
  width: 136px; height: 136px;
  border-color: rgba(0,212,170,.22);
  border-style: dashed;
  animation-duration: 16s;
  animation-direction: reverse;
}

.quest-coin {
  width: 88px; height: 88px;
  animation: float 3.5s ease-in-out infinite;
  filter: drop-shadow(0 0 20px rgba(108,99,255,.55));
  transition: filter .3s;
}
.quest-coin svg { width: 100%; height: 100%; }
.quest-coin.success-flash {
  animation: coinPop .5s ease forwards;
  filter: drop-shadow(0 0 36px rgba(0,212,170,.9));
}
@keyframes coinPop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.28); }
  100% { transform: scale(1.1); }
}

/* sparkles */
.quest-sparkles { position: absolute; inset: 0; pointer-events: none; }
.qs {
  position: absolute;
  border-radius: 50%;
  animation: orbit linear infinite;
}
.qs1 { width:5px;height:5px;background:var(--primary);  top:8%; left:50%; animation-duration:2.8s; animation-delay:0s;   }
.qs2 { width:4px;height:4px;background:var(--accent);   top:50%;left:92%; animation-duration:4s;   animation-delay:.6s;  }
.qs3 { width:5px;height:5px;background:var(--accent);   top:85%;left:55%; animation-duration:3.4s; animation-delay:1.1s; }
.qs4 { width:3px;height:3px;background:var(--primary-light);top:50%;left:4%;animation-duration:3.9s;animation-delay:.3s; }

/* ── Reward amount ────────────────────────────────────────── */
.quest-reward-amount {
  display: flex;
  align-items: baseline;
  gap: .4rem;
  line-height: 1;
}
.quest-reward-num {
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.quest-reward-sym {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
}
.quest-reward-label {
  font-size: .88rem;
  color: var(--text-muted);
  margin-top: -.5rem;
}

/* ── Wallet info rows ─────────────────────────────────────── */
.quest-wallet-info {
  width: 100%;
  max-width: 480px;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.quest-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .6rem 1rem;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}
.quest-info-row:last-child { border-bottom: none; }
.quest-info-key {
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  white-space: nowrap;
}
.quest-info-val {
  font-size: .88rem;
  font-weight: 600;
  color: var(--text);
  font-family: 'Courier New', monospace;
  text-align: right;
  word-break: break-all;
}

/* ── Progress bar ─────────────────────────────────────────── */
.quest-progress-wrap {
  width: 100%;
  max-width: 480px;
}
.quest-steps-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .65rem;
}
.quest-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
  font-size: .72rem;
  color: var(--text-muted);
  text-align: center;
  flex: 1;
  transition: color .3s;
}
.quest-step.done { color: var(--accent); }
.quest-step.done .quest-step-dot {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 10px rgba(0,212,170,.5);
}
.quest-step.active .quest-step-dot {
  border-color: var(--primary-light);
  color: var(--primary-light);
  box-shadow: 0 0 10px rgba(108,99,255,.4);
}
.quest-step-dot {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 2px solid var(--border-light);
  display: flex; align-items: center; justify-content: center;
  font-size: .72rem; font-weight: 800;
  color: var(--text-dim);
  background: var(--bg-card-2);
  transition: background .3s, border-color .3s, box-shadow .3s, color .3s;
}
.quest-step-line {
  flex: 1;
  height: 2px;
  background: var(--border);
  margin: 0 .35rem;
  margin-bottom: 1.4rem;
  border-radius: 2px;
  transition: background .3s;
}
.quest-step-line.done { background: var(--accent); }

.quest-progress-track {
  width: 100%;
  height: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.quest-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 0 8px rgba(0,212,170,.45);
}

/* ── Quiz ─────────────────────────────────────────────────── */
.quest-quiz {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.quest-quiz-question {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
  line-height: 1.5;
}
.quest-quiz-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .55rem;
}
.quest-quiz-option {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .65rem .85rem;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  text-align: left;
  transition: border-color .2s, background .2s, color .2s, transform .1s;
}
.quest-quiz-option:hover:not(:disabled) {
  border-color: var(--primary-light);
  background: var(--bg-hover);
  color: var(--text);
  transform: translateY(-1px);
}
.quest-quiz-option:disabled { cursor: not-allowed; opacity: .55; }
.quest-quiz-option.correct {
  border-color: var(--accent);
  background: rgba(0,212,170,.1);
  color: var(--accent);
  font-weight: 700;
}
.quest-quiz-option.wrong {
  border-color: var(--error);
  background: rgba(244,63,94,.08);
  color: #fb7185;
}
.quest-option-letter {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: .72rem; font-weight: 800;
  transition: background .2s, border-color .2s;
}
.quest-quiz-option.correct .quest-option-letter {
  background: var(--accent); border-color: var(--accent); color: var(--bg);
}
.quest-quiz-option.wrong .quest-option-letter {
  background: var(--error); border-color: var(--error); color: #fff;
}
.quest-quiz-feedback {
  font-size: .85rem;
  font-weight: 600;
  min-height: 1.3em;
  text-align: center;
}
.quest-quiz-feedback.correct { color: var(--accent); }
.quest-quiz-feedback.wrong   { color: #fb7185; }

/* ── Status / timer ───────────────────────────────────────── */
.quest-status {
  width: 100%;
  max-width: 480px;
  font-size: .875rem;
  font-weight: 600;
  text-align: center;
  min-height: 1.4em;
  color: var(--text-muted);
}
.quest-status.ok    { color: var(--accent); }
.quest-status.err   { color: #fb7185; }
.quest-status.warn  { color: #fbbf24; }

.quest-timer {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-size: .875rem;
  color: var(--text-muted);
}
.quest-timer strong { color: var(--primary-light); font-variant-numeric: tabular-nums; }

/* ── Claim button ─────────────────────────────────────────── */
.quest-claim-btn {
  width: 100%;
  max-width: 320px;
  padding: .75rem 2rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .02em;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}
.quest-claim-btn:disabled {
  background: var(--bg-card-2);
  color: var(--text-dim);
  border: 1px solid var(--border);
  opacity: 1;
  cursor: not-allowed;
}
.quest-claim-btn.loading {
  opacity: .7;
  cursor: wait;
}

/* ── Success overlay ──────────────────────────────────────── */
.quest-success-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,11,24,.92);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  animation: fadeIn .3s ease;
}
.quest-success-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .65rem;
  padding: 2rem;
  text-align: center;
}
.quest-success-icon {
  font-size: 3.5rem;
  animation: successBounce .6s cubic-bezier(.36,.07,.19,.97) both;
}
@keyframes successBounce {
  0%  { transform: scale(0) rotate(-15deg); opacity: 0; }
  60% { transform: scale(1.2) rotate(5deg); opacity: 1; }
  100%{ transform: scale(1) rotate(0); }
}
.quest-success-title {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.quest-success-sub { font-size: .9rem; color: var(--text-muted); }
.quest-success-link {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .875rem;
  font-weight: 600;
  color: #7ec8e3;
  padding: .4rem .9rem;
  border: 1px solid rgba(126,200,227,.35);
  border-radius: var(--radius-sm);
  transition: border-color .2s, background .2s;
}
.quest-success-link:hover {
  background: rgba(126,200,227,.08);
  border-color: #7ec8e3;
  color: #7ec8e3;
}

/* ── Activity list ────────────────────────────────────────── */
.quest-activity {
  display: flex;
  flex-direction: column;
  gap: .85rem;
}
.quest-activity-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.quest-activity-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
}
.quest-activity-note {
  font-size: .78rem;
  color: var(--text-dim);
  background: rgba(245,158,11,.07);
  border: 1px solid rgba(245,158,11,.18);
  border-radius: var(--radius-sm);
  padding: .55rem .85rem;
  line-height: 1.5;
}
.quest-activity-note strong { color: #fbbf24; }
.quest-activity-empty {
  font-size: .875rem;
  color: var(--text-dim);
  text-align: center;
  padding: 1.5rem 0;
}
.quest-activity-list {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.quest-activity-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem .75rem;
  padding: .7rem 1rem;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .83rem;
  animation: fadeIn .3s ease;
}
.quest-activity-left { display: flex; flex-direction: column; gap: .18rem; }
.quest-activity-addr { font-family: 'Courier New', monospace; color: var(--accent); font-weight: 600; }
.quest-activity-time { font-size: .75rem; color: var(--text-dim); }
.quest-activity-right { display: flex; flex-direction: column; align-items: flex-end; gap: .18rem; }
.quest-activity-amount { font-weight: 700; color: var(--text); }
.quest-activity-tx {
  font-size: .75rem;
  color: var(--text-dim);
  font-family: 'Courier New', monospace;
}
.quest-activity-tx a { color: var(--primary); }
.quest-activity-tx a:hover { color: var(--accent); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 600px) {
  .quest-section { padding: 1.4rem 1.1rem; }
  .quest-card    { padding: 1.5rem 1rem; }

  .quest-reward-num { font-size: 2.2rem; }

  .quest-quiz-options { grid-template-columns: 1fr; }

  .quest-steps-row { gap: 0; }
  .quest-step      { font-size: .65rem; }
  .quest-step-dot  { width: 22px; height: 22px; font-size: .65rem; }

  .quest-claim-btn { max-width: 100%; }

  .quest-activity-item { flex-direction: column; align-items: flex-start; }
  .quest-activity-right { align-items: flex-start; }
}