/* MCQ — shared styles. MC-branded navy header + energetic quiz accents. */
:root {
  --navy:        #0b2440;
  --navy-2:      #123a5c;
  --accent:      #6C5CE7;   /* quiz-energy indigo */
  --accent-2:    #00B8A9;   /* teal */
  --gold:        #E0A500;
  --bg:          #f5f7fb;
  --card:        #ffffff;
  --border:      #e4e9f0;
  --border-strong:#d3dbe6;
  --ink:         #0f2036;
  --muted:       #64748b;
  --danger:      #d64545;
  --r:           12px;
  --shadow:      0 2px 14px rgba(11,36,64,.08);
  --ff: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--ff); color: var(--ink); background: var(--bg);
  min-height: 100vh; display: flex; flex-direction: column; line-height: 1.5;
}
a { color: var(--accent); }

/* ---------- Header ---------- */
.nav {
  display: flex; align-items: center; gap: 1rem;
  height: 60px; padding: 0 1.25rem;
  background: var(--navy); color: #fff;
  box-shadow: 0 2px 14px rgba(0,0,0,.18); position: sticky; top: 0; z-index: 50;
}
.nav-logo { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: #fff; }
.nav-logo img { height: 32px; width: auto; display: block; }
.nav-logo .brand { font-weight: 800; font-size: 1.15rem; letter-spacing: .02em; }
.nav-logo .brand em { color: var(--gold); font-style: normal; }
.nav-spacer { flex: 1; }
#navLeft { display: flex; align-items: center; gap: .9rem; margin-left: 1.4rem; }
#navRight { display: flex; align-items: center; gap: .9rem; }
.nav-link { display: inline-flex; align-items: center; gap: .4rem; color: rgba(255,255,255,.85); text-decoration: none; font-size: .9rem; font-weight: 600; padding: .35rem .5rem; }
.nav-link i, .nav-link svg { width: 16px; height: 16px; }
.nav-link:hover { color: #fff; }
/* User badge → click-to-open dropdown (native <details>) */
.nav-avatar { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; border: 1.5px solid rgba(255,255,255,.3); flex-shrink: 0; }
.nav-avatar.fallback { display: grid; place-items: center; background: var(--accent); color: #fff; font-weight: 700; font-size: .85rem; border: 0; }
.nav-user { position: relative; }
.nav-user > summary {
  list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: .5rem;
  padding: .25rem .55rem .25rem .3rem; border-radius: 999px; background: rgba(255,255,255,.08);
  transition: background .15s;
}
.nav-user > summary::-webkit-details-marker { display: none; }
.nav-user > summary:hover { background: rgba(255,255,255,.16); }
.nav-user .who { font-size: .85rem; color: rgba(255,255,255,.92); font-weight: 600; }
.nav-user .chev { color: rgba(255,255,255,.6); width: 15px; height: 15px; transition: transform .15s; }
.nav-user[open] .chev { transform: rotate(180deg); }
.nav-user-panel {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 220px;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  box-shadow: 0 14px 34px rgba(11,36,64,.22); padding: .4rem; z-index: 60; overflow: hidden;
}
.nav-user-head { display: flex; align-items: center; gap: .6rem; padding: .55rem .6rem .65rem; border-bottom: 1px solid var(--border); margin-bottom: .35rem; }
.nav-user-head .nm { font-weight: 700; color: var(--navy); font-size: .9rem; }
.nav-user-head .em { color: var(--muted); font-size: .78rem; }
.nav-user-head .nav-avatar { border: 0; }
.nav-user-panel a {
  display: flex; align-items: center; gap: .6rem; padding: .55rem .65rem; border-radius: 8px;
  text-decoration: none; color: var(--ink); font-size: .9rem; font-weight: 500;
}
.nav-user-panel a i, .nav-user-panel a svg { width: 16px; height: 16px; color: var(--muted); flex-shrink: 0; }
.nav-user-panel a:hover { background: #f2f5fa; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .6rem 1.1rem; border-radius: 999px; border: 0; cursor: pointer;
  font-family: var(--ff); font-weight: 700; font-size: .9rem; text-decoration: none;
  transition: transform .06s ease, filter .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-gold { background: var(--gold); color: #24170a; }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.2); }
.btn-outline { background: #fff; color: var(--ink); border: 1px solid var(--border-strong); }
.btn-outline:hover { background: #f2f5fa; }
.btn-danger { background: #fdecec; color: var(--danger); }
.btn[disabled] { opacity: .55; cursor: default; }

/* ---------- Landing ---------- */
.hero {
  background: radial-gradient(1200px 500px at 15% -10%, rgba(108,92,231,.25), transparent),
              linear-gradient(160deg, var(--navy), var(--navy-2));
  color: #fff; padding: 4.5rem 1.25rem 5rem; text-align: center;
}
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); margin: 0 0 1rem; font-weight: 900; letter-spacing: -.02em; text-wrap: balance; }
.hero h1 .pop { color: var(--gold); }
.hero p { font-size: clamp(1rem, 2.2vw, 1.25rem); color: rgba(255,255,255,.85); max-width: 620px; margin: 0 auto 2rem; }
.hero .cta-row { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
.hero .btn { padding: .85rem 1.6rem; font-size: 1rem; }

.section { max-width: 1000px; margin: 0 auto; padding: 3.5rem 1.25rem; }
.section h2 { font-size: 1.7rem; text-align: center; margin: 0 0 2rem; color: var(--navy); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--r);
  padding: 1.5rem; box-shadow: var(--shadow);
}
.card-ico { width: 28px; height: 28px; color: var(--accent); }
.card h3 { margin: .6rem 0 .4rem; font-size: 1.1rem; color: var(--navy); }
.card p { margin: 0; color: var(--muted); font-size: .92rem; }

/* ---------- Page shell (account / admin) ---------- */
.page { flex: 1; max-width: 960px; width: 100%; margin: 0 auto; padding: 2rem 1.25rem; }
.page-title { font-size: 1.6rem; color: var(--navy); margin: 0 0 .35rem; font-weight: 800; }
.page-sub { color: var(--muted); margin: 0 0 1.75rem; }
.panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); box-shadow: var(--shadow); padding: 1.75rem; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.25rem; }
.field { display: flex; flex-direction: column; gap: .35rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .8rem; font-weight: 700; color: var(--navy); }
.field label .req { color: var(--danger); }
.field input, .field select {
  padding: .6rem .7rem; border: 1px solid var(--border-strong); border-radius: 9px;
  font-family: var(--ff); font-size: .95rem; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.form-actions { display: flex; gap: .75rem; align-items: center; margin-top: 1.5rem; }
.msg { font-size: .9rem; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--accent-2); }

/* ---------- Admin shell (Album-style left sidebar + main) ---------- */
.admin-shell { flex: 1; display: flex; align-items: stretch; width: 100%; }
.sidebar {
  width: 232px; flex-shrink: 0; background: var(--card); border-right: 1px solid var(--border);
  padding: 1.1rem .75rem; display: flex; flex-direction: column;
}
.sidebar-nav { display: flex; flex-direction: column; gap: .15rem; }
.sidebar-link {
  display: flex; align-items: center; gap: .7rem; padding: .62rem .75rem; border-radius: 9px;
  text-decoration: none; color: var(--ink); font-size: .92rem; font-weight: 600; cursor: pointer;
}
.sidebar-link i, .sidebar-link svg { width: 18px; height: 18px; stroke-width: 2; color: var(--muted); flex-shrink: 0; }
.sidebar-link:hover { background: #f2f5fa; }
.sidebar-link.is-active { background: #eee9ff; color: var(--accent); }
.sidebar-link.is-active i, .sidebar-link.is-active svg { color: var(--accent); }
.sidebar-link .soon { margin-left: auto; font-size: .6rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); background: #eef2f7; padding: .12rem .42rem; border-radius: 999px; }
.sidebar-footer { margin-top: auto; padding: .9rem .75rem 0; color: var(--muted); font-size: .72rem; }
.admin-main { flex: 1; min-width: 0; padding: 2rem; max-width: 1100px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 1.1rem 1.2rem; box-shadow: var(--shadow); display: flex; align-items: center; gap: .9rem; }
.stat-card i, .stat-card svg { width: 26px; height: 26px; color: var(--accent); flex-shrink: 0; }
.stat-card .value { color: var(--navy); font-size: 1.9rem; font-weight: 800; line-height: 1; }
.stat-card .label { color: var(--muted); font-size: .74rem; font-weight: 600; margin-top: .35rem; text-transform: uppercase; letter-spacing: .03em; }

@media (max-width: 760px) {
  .admin-shell { flex-direction: column; }
  .sidebar { width: 100%; border-right: 0; border-bottom: 1px solid var(--border); padding: .6rem; }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; }
  .sidebar-footer { display: none; }
  .admin-main { padding: 1.25rem 1rem; }
}

/* ---------- Table (admin) ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: .7rem .8rem; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: .72rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
tbody tr:hover { background: #f8fafd; }
.u-cell { display: flex; align-items: center; gap: .6rem; }
.u-cell img { width: 30px; height: 30px; border-radius: 50%; }
.u-cell .avatar-fallback { width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color:#fff; display: grid; place-items: center; font-weight: 700; font-size: .85rem; }
.pill { display: inline-block; padding: .2rem .6rem; border-radius: 999px; font-size: .72rem; font-weight: 700; }
.pill.admin { background: #eee9ff; color: var(--accent); }
.pill.player { background: #eef2f7; color: var(--muted); }
.role-select { padding: .3rem .5rem; border: 1px solid var(--border-strong); border-radius: 7px; font-family: var(--ff); }

/* ---------- Auth modal ---------- */
.modal-backdrop { position: fixed; inset: 0; background: rgba(11,36,64,.5); display: none; place-items: center; z-index: 100; padding: 1rem; }
.modal-backdrop.open { display: grid; }
.modal { background: #fff; border-radius: 16px; width: 100%; max-width: 400px; padding: 2rem; box-shadow: 0 24px 60px rgba(0,0,0,.3); }
.modal h3 { margin: 0 0 .3rem; color: var(--navy); font-size: 1.35rem; text-align: center; }
.modal .sub { text-align: center; color: var(--muted); font-size: .9rem; margin: 0 0 1.5rem; }
.modal .btn { width: 100%; margin-bottom: .6rem; }
.btn-google { background: #fff; color: #3c4043; border: 1px solid var(--border-strong); }
.btn-google:hover { background: #f8f9fa; }
.btn-google img { width: 18px; height: 18px; }
.divider { display: flex; align-items: center; gap: .75rem; color: var(--muted); font-size: .8rem; margin: 1rem 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.modal input { width: 100%; padding: .65rem .7rem; border: 1px solid var(--border-strong); border-radius: 9px; margin-bottom: .6rem; font-family: var(--ff); font-size: .95rem; }
.modal .toggle { text-align: center; font-size: .85rem; margin-top: .75rem; color: var(--muted); }
.modal .toggle a { cursor: pointer; }
.modal .close { float: right; cursor: pointer; color: var(--muted); font-size: 1.3rem; line-height: 1; margin: -.5rem -.5rem 0 0; }

/* ---------- Footer ---------- */
.footer { text-align: center; padding: 2rem 1rem; color: var(--muted); font-size: .82rem; }

.hidden { display: none !important; }
.spinner { text-align: center; padding: 3rem; color: var(--muted); }

/* page header with an action button (My Quizzes etc.) */
.page-header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.page-header .page-title, .page-header .page-sub { margin: 0; }
.page-header .page-sub { margin-top: .25rem; }

/* empty states */
.empty-state { text-align: center; padding: 3rem 1.5rem; color: var(--muted); }
.empty-state i, .empty-state svg { width: 44px; height: 44px; margin: 0 auto .75rem; display: block; opacity: .4; }
.empty-state h3 { color: var(--navy); margin: .25rem 0; }
.empty-state .avatar-fallback { margin: 0 auto; }

/* handle (slug) cell in admin table */
.handle-cell { display: inline-flex; align-items: center; gap: .35rem; font-size: .85rem; }
.handle-edit { border: 0; background: none; cursor: pointer; color: var(--muted); padding: 2px; display: inline-flex; }
.handle-edit i, .handle-edit svg { width: 14px; height: 14px; }
.handle-edit:hover { color: var(--accent); }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .nav-user .who { display: none; }
  .nav-logo .brand { font-size: 1rem; }
}