/* =========================================================================
   EduOne · Greenie — App styles (auth · onboarding · portal)
   ========================================================================= */

/* ---------- AUTH ---------- */
.auth-wrap { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-card { display: flex; flex-direction: column; justify-content: center; max-width: 440px; width: 100%; margin: 0 auto; padding: var(--s-10) var(--s-6); }
.auth-brand { display: flex; align-items: center; gap: 10px; font-weight: var(--fw-bold); font-size: var(--fs-lg); color: var(--c-text); margin-bottom: var(--s-8); }
.auth-brand b { color: var(--c-primary-600); }
.auth-title { font-size: var(--fs-3xl); }
.auth-sub { margin: var(--s-2) 0 var(--s-6); }
.auth-or { display: flex; align-items: center; gap: var(--s-3); margin: var(--s-5) 0; color: var(--c-text-3); font-size: var(--fs-sm); }
.auth-or::before, .auth-or::after { content: ''; flex: 1; height: 1px; background: var(--c-border); }
.auth-foot { text-align: center; margin-top: var(--s-5); font-size: var(--fs-sm); color: var(--c-text-2); }
.auth-aside { background: var(--grad-hero); color: #fff; display: flex; align-items: center; justify-content: center; padding: var(--s-12); position: relative; overflow: hidden; }
.auth-aside::after { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.12), transparent 50%); }
.auth-aside-inner { max-width: 400px; position: relative; }
.auth-aside-inner h3 { color: #fff; font-size: var(--fs-3xl); line-height: 1.25; }
.auth-aside-inner p { color: rgba(255,255,255,.85); margin-top: var(--s-3); font-size: var(--fs-lg); }

/* Chọn role */
.role-pick { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-3); margin-bottom: var(--s-5); }
.role-pick.vertical { grid-template-columns: 1fr; }
.role-opt { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; text-align: left; padding: var(--s-4); border: 2px solid var(--c-border); border-radius: var(--r); background: var(--c-surface); transition: all var(--t); }
.role-opt i { font-size: 1.5rem; color: var(--c-text-3); }
.role-opt span { font-weight: var(--fw-bold); }
.role-opt small { color: var(--c-text-2); font-size: var(--fs-xs); }
.role-opt:hover { border-color: var(--c-primary-300); }
.role-opt.active { border-color: var(--c-primary-500); background: var(--c-primary-50); }
.role-opt.active i { color: var(--c-primary-600); }

/* ---------- ONBOARDING ---------- */
.onb-wrap { min-height: 100vh; padding: var(--s-10) var(--s-4); background: var(--c-bg); }
.onb-card { max-width: 780px; margin: 0 auto; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-xl); padding: var(--s-10); box-shadow: var(--sh-md); }
.onb-head { text-align: center; margin-bottom: var(--s-8); }
.onb-head p { margin-top: var(--s-2); }
.onb-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4) var(--s-5); }
.onb-grid .field:has(.textarea), .onb-grid .field:has(.chips) { grid-column: 1 / -1; }
.chips { display: flex; flex-wrap: wrap; gap: var(--s-2); }

/* ---------- PORTAL ---------- */
.portal { min-height: 100vh; display: flex; flex-direction: column; }
.pnav { position: sticky; top: 0; z-index: 40; background: var(--c-surface); border-bottom: 1px solid var(--c-border); }
.pnav-inner { max-width: var(--container); margin: 0 auto; height: var(--nav-h); padding: 0 var(--s-5); display: flex; align-items: center; gap: var(--s-6); }
.pnav-links { display: flex; gap: var(--s-1); flex: 1; }
.pnav-link { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: var(--r); font-size: var(--fs-sm); font-weight: var(--fw-medium); color: var(--c-text-2); }
.pnav-link:hover { background: var(--c-surface-2); color: var(--c-text); }
.pnav-link.active { background: var(--c-primary-50); color: var(--c-primary-700); }
.pnav-user { display: flex; align-items: center; gap: var(--s-3); }
.pnav-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--grad-primary); color: #fff; display: grid; place-items: center; font-weight: var(--fw-bold); }
.portal-body { flex: 1; padding: var(--s-8) 0 var(--s-16); }
.welcome { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap; }
.welcome h1 { font-size: var(--fs-3xl); margin: var(--s-1) 0; }
.soon-card { display: flex; flex-direction: column; align-items: flex-start; gap: var(--s-2); text-decoration: none; color: inherit; }
.soon-card .badge { margin-top: auto; }

/* ---------- RESPONSIVE ---------- */
/* ---------- PROFILE / CLASS ---------- */
.profile-head { display: flex; align-items: center; gap: var(--s-4); margin-bottom: var(--s-6); }
.profile-avatar { width: 72px; height: 72px; border-radius: 50%; background: var(--grad-primary); color: #fff; display: grid; place-items: center; font-size: 2rem; font-weight: var(--fw-bold); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-4); }
.stat { display: flex; align-items: center; gap: var(--s-3); background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r); padding: var(--s-4); }
.stat i { font-size: 1.6rem; color: var(--c-primary-500); }
.stat b { display: block; font-size: var(--fs-xl); }
.stat span { font-size: var(--fs-xs); color: var(--c-text-2); }
.join-code { text-align: center; background: var(--c-primary-50); border: 1px dashed var(--c-primary-300); border-radius: var(--r); padding: var(--s-3) var(--s-5); font-size: var(--fs-xs); color: var(--c-primary-700); }
.join-code b { font-size: var(--fs-xl); letter-spacing: 2px; }
.row-help { border-color: #fecaca; background: var(--c-danger-bg); }

@media (max-width: 860px) {
    .auth-wrap { grid-template-columns: 1fr; }
    .auth-aside { display: none; }
    .onb-grid { grid-template-columns: 1fr; }
    .onb-card { padding: var(--s-6); }
    .pnav-links { display: none; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}