/* PHVA Platform — single stylesheet */
:root {
  --blue: #EA580C; --blue-d: #C2410C; --ink: #1a202c; --mut: #64748b;
  --bg: #f6f8fb; --line: #e2e8f0; --ok: #047857; --warn: #b45309; --err: #b91c1c;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.55; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
main { max-width: 860px; margin: 0 auto; padding: 24px 16px 64px; }
main.wide { max-width: 1120px; }

.nav { background: #fff; border-bottom: 1px solid var(--line); }
.nav-inner { max-width: 1120px; margin: 0 auto; padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.brand { font-weight: 800; font-size: 1.15rem; color: var(--ink); }
.brand span { color: var(--blue); font-weight: 600; }
.brand em { font-style: normal; }
.nav nav { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.nav nav a { color: var(--ink); font-weight: 500; }

.btn { display: inline-block; background: var(--blue); color: #fff !important; padding: 10px 18px; border-radius: 8px; border: none; font-size: 1rem; font-weight: 600; cursor: pointer; text-decoration: none !important; }
.btn:hover { background: var(--blue-d); }
.btn-sm { padding: 6px 14px; font-size: .9rem; }
.btn-ghost { background: #fff; color: var(--blue) !important; border: 1px solid var(--blue); }
.btn-ghost:hover { background: #eef2ff; }
.btn-danger { background: var(--err); }

.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin-bottom: 16px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

h1 { font-size: 1.7rem; margin: .4em 0; } h2 { font-size: 1.3rem; } h3 { font-size: 1.1rem; }
.muted { color: var(--mut); font-size: .92rem; }
.tag { display: inline-block; background: #eef2ff; color: var(--blue-d); border-radius: 999px; padding: 2px 10px; font-size: .78rem; font-weight: 600; margin: 2px 4px 2px 0; }
.tag-ok { background: #ecfdf5; color: var(--ok); }
.tag-warn { background: #fffbeb; color: var(--warn); }
.tag-err { background: #fef2f2; color: var(--err); }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-weight: 500; }
.flash-success { background: #ecfdf5; color: var(--ok); border: 1px solid #a7f3d0; }
.flash-error { background: #fef2f2; color: var(--err); border: 1px solid #fecaca; }

form label { display: block; font-weight: 600; margin: 14px 0 4px; font-size: .95rem; }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid #cbd5e1; border-radius: 8px; font-size: 1rem; font-family: inherit; background: #fff;
}
textarea { min-height: 110px; resize: vertical; }
form .btn { margin-top: 18px; }
.hint { font-size: .82rem; color: var(--mut); margin-top: 3px; }

table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); font-size: .93rem; vertical-align: top; }
th { background: #f8fafc; font-weight: 700; }

.progressbar { background: var(--line); border-radius: 999px; height: 10px; overflow: hidden; }
.progressbar > div { background: var(--blue); height: 100%; }

.lesson-content h2, .lesson-content h3 { margin-top: 1.4em; }
.lesson-content blockquote { border-left: 4px solid var(--blue); margin: 1em 0; padding: 6px 16px; background: #f8fafc; color: #334155; }
.lesson-content pre { background: #0f172a; color: #e2e8f0; padding: 14px; border-radius: 8px; overflow-x: auto; font-size: .88rem; }
.lesson-content code { background: #eef2ff; padding: 1px 5px; border-radius: 4px; font-size: .9em; }
.lesson-content pre code { background: none; padding: 0; }
.lesson-content table { margin: 1em 0; }
.lesson-content img { max-width: 100%; }

.hero { text-align: center; padding: 40px 12px 24px; }
.hero h1 { font-size: 2.2rem; line-height: 1.2; }
.hero p { font-size: 1.12rem; color: var(--mut); max-width: 620px; margin: 12px auto; }
.stats { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; margin: 24px 0; }
.stats div { text-align: center; }
.stats strong { display: block; font-size: 1.6rem; color: var(--blue); }

.avatar { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; background: #dbeafe; }
.row { display: flex; gap: 14px; align-items: center; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }

.foot { text-align: center; color: var(--mut); font-size: .85rem; padding: 24px 16px; border-top: 1px solid var(--line); background: #fff; }

.cert { border: 6px double var(--blue); padding: 48px; text-align: center; background: #fff; max-width: 720px; margin: 32px auto; }
.cert h1 { font-size: 2rem; }
.cert .code { font-family: monospace; letter-spacing: 2px; color: var(--mut); }
@media print { .nav, .foot, .no-print { display: none !important; } body { background: #fff; } }

/* --- v1.1: brand + gamification + events --- */
h1, h2, .hero h1, .cert h1 { font-family: Georgia, "Times New Roman", serif; font-weight: 600; }
.hero { background: linear-gradient(180deg, #FFF7ED 0%, var(--bg) 100%); border-radius: 16px; margin-top: 8px; }
.tag { background: #FFF7ED; color: var(--blue-d); }

.level-card { background: linear-gradient(135deg, #FFF7ED, #fff); border-color: #FDBA74; }
.level-icon { font-size: 1.5rem; margin-right: 6px; vertical-align: -3px; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.badge { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 999px;
  padding: 5px 12px; font-size: .85rem; font-weight: 600; color: #94a3b8; background: #f8fafc; filter: grayscale(1); opacity: .75; }
.badge span { font-size: 1rem; }
.badge.earned { filter: none; opacity: 1; color: var(--blue-d); background: #FFF7ED; border-color: #FDBA74; }

.event-card { display: flex; gap: 16px; align-items: flex-start; }
.event-date { min-width: 58px; text-align: center; background: #FFF7ED; border: 1px solid #FDBA74; border-radius: 10px; padding: 8px 6px; }
.event-day { display: block; font-size: 1.5rem; font-weight: 800; color: var(--blue-d); line-height: 1.1; }
.event-mon { display: block; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--mut); }