:root {
  --self-bg: #081521;
  --self-panel: #0f2135;
  --self-panel2: #152a42;
  --self-accent: #b8954a;
  --self-accent2: #d4b86a;
  --self-text: #f0ede6;
  --self-muted: #9eb0c4;
  --self-border: rgba(255,255,255,.1);
  --self-radius: 14px;
  --self-navy: #081521;
  --self-gold: #b8954a;
}
*, *::before, *::after { box-sizing: border-box; }
body.self-body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--self-bg);
  color: var(--self-text);
  line-height: 1.5;
}
a { color: var(--self-accent2); text-decoration: none; }
a:hover { text-decoration: underline; }
.self-shell { min-height: 100vh; display: flex; flex-direction: column; }
.self-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
  padding: .75rem 1.25rem; background: #050e18; border-bottom: 1px solid var(--self-border);
  position: sticky; top: 0; z-index: 20;
}
.self-brand { font-weight: 700; letter-spacing: .02em; color: #fff; text-decoration: none; }
.self-brand em { color: var(--self-accent); font-style: normal; }
.self-nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.self-nav a { color: var(--self-muted); font-size: .92rem; }
.self-nav a.active, .self-nav a:hover { color: #fff; text-decoration: none; }
.self-lang a { margin-left: .5rem; font-size: .85rem; opacity: .7; }
.self-lang a.active { opacity: 1; color: var(--self-accent); }
.self-main { flex: 1; width: min(1100px, 100%); margin: 0 auto; padding: 1.25rem; }
.self-flash { padding: .75rem 1rem; border-radius: var(--self-radius); margin-bottom: 1rem; }
.self-flash.ok { background: rgba(184,149,74,.15); border: 1px solid rgba(184,149,74,.35); }
.self-flash.err { background: rgba(255,90,90,.12); border: 1px solid rgba(255,90,90,.35); }
.self-hero {
  background: linear-gradient(135deg, #152a42 0%, #0f2135 55%, #081521 100%);
  border: 1px solid var(--self-border); border-radius: calc(var(--self-radius) + 4px);
  padding: 1.5rem 1.75rem; margin-bottom: 1.5rem;
}
.self-hero h1 { margin: 0 0 .35rem; font-size: clamp(1.4rem, 3vw, 2rem); }
.self-hero p { margin: 0; color: var(--self-muted); max-width: 60ch; }
.self-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.self-card {
  background: var(--self-panel); border: 1px solid var(--self-border);
  border-radius: var(--self-radius); padding: 1rem 1.1rem; display: flex; flex-direction: column; gap: .65rem;
}
.self-card h3 { margin: 0; font-size: 1.05rem; }
.self-card p { margin: 0; color: var(--self-muted); font-size: .92rem; flex: 1; }
.self-badge {
  display: inline-block; font-size: .75rem; padding: .15rem .5rem; border-radius: 999px;
  background: rgba(184,149,74,.18); color: #e8d4a8;
}
.self-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .35rem;
  padding: .55rem 1rem; border-radius: 999px; border: none; cursor: pointer;
  background: linear-gradient(180deg, var(--self-accent2), var(--self-accent));
  color: #081521; font-weight: 600; text-decoration: none;
}
.self-btn:hover { filter: brightness(1.08); text-decoration: none; }
.self-btn.secondary { background: transparent; border: 1px solid var(--self-border); color: var(--self-text); }
.self-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: .75rem; }
.self-step {
  display: grid; grid-template-columns: auto 1fr auto; gap: .85rem; align-items: center;
  background: var(--self-panel); border: 1px solid var(--self-border); border-radius: var(--self-radius);
  padding: .85rem 1rem;
}
.self-step.done { border-color: rgba(184,149,74,.35); }
.self-step-icon { font-size: 1.4rem; }
.self-step h4 { margin: 0 0 .15rem; font-size: 1rem; }
.self-step small { color: var(--self-muted); }
.self-progress {
  height: 8px; background: rgba(255,255,255,.06); border-radius: 999px; overflow: hidden; margin: .75rem 0;
}
.self-progress > span { display: block; height: 100%; background: linear-gradient(90deg, var(--self-accent), var(--self-accent2)); }
.self-section-title { margin: 1.5rem 0 .75rem; font-size: 1.1rem; color: var(--self-muted); text-transform: uppercase; letter-spacing: .06em; }
.self-login {
  max-width: 420px; margin: 0 auto; background: var(--self-panel);
  border: 1px solid var(--self-border); border-radius: calc(var(--self-radius) + 2px); padding: 1.5rem 1.35rem;
}
.self-login label { display: block; margin: .75rem 0 .25rem; font-size: .9rem; color: var(--self-muted); }
.self-login input {
  width: 100%; padding: .65rem .75rem; border-radius: 10px; border: 1px solid var(--self-border);
  background: #081018; color: #fff; font-size: 16px;
}
.self-login input:focus { outline: 2px solid rgba(184,149,74,.45); border-color: var(--self-accent); }
.self-lesson-blocks { display: grid; gap: 1rem; }
.self-block { background: var(--self-panel); border: 1px solid var(--self-border); border-radius: var(--self-radius); padding: 1rem; }
.self-block img { max-width: 100%; border-radius: 8px; }
.self-video iframe { width: 100%; aspect-ratio: 16/9; border: 0; border-radius: 8px; }

/* Guest login (split hero) */
.flex-guest-wrap {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 480px);
}
.flex-guest-hero {
  position: relative;
  display: flex;
  align-items: center;
  padding: clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(184,149,74,.14), transparent 55%),
    linear-gradient(145deg, #152a42 0%, #0c1828 45%, #081521 100%);
  overflow: hidden;
}
.flex-guest-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(8,21,33,.55));
  pointer-events: none;
}
.flex-guest-hero-inner { position: relative; z-index: 1; max-width: 36rem; }
.flex-guest-logos { display: flex; flex-wrap: wrap; gap: 1rem 1.25rem; margin-bottom: 1.25rem; align-items: center; }
.flex-guest-logo-devina, .flex-guest-logo-vde { height: auto; max-width: min(160px, 42vw); }
.flex-guest-brand {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: .03em;
  color: #fff;
}
.flex-guest-brand em { color: var(--self-accent); font-style: normal; }
.flex-guest-tagline { margin: 1rem 0 0; color: rgba(240,237,230,.88); font-size: 1rem; max-width: 34ch; }
.flex-guest-foot { margin-top: 2rem; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: rgba(158,176,196,.75); }
.flex-guest-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: #060f18;
  border-left: 1px solid var(--self-border);
}
.flex-guest-card.self-login { margin: 0; width: 100%; box-shadow: 0 18px 48px rgba(0,0,0,.35); }
.flex-guest-lang { display: flex; justify-content: flex-end; gap: .45rem; margin-bottom: .75rem; font-size: .85rem; }
.flex-guest-lang a { color: var(--self-muted); opacity: .75; }
.flex-guest-lang a.active { color: var(--self-accent); opacity: 1; font-weight: 600; text-decoration: none; }
.flex-guest-lang span { color: var(--self-border); }
.flex-login-head { text-align: center; margin-bottom: .5rem; }
.flex-login-logo { display: block; margin: 0 auto .65rem; max-width: 180px; height: auto; }
.flex-login-title { margin: 0; font-size: 1.35rem; font-weight: 800; letter-spacing: .04em; }
.flex-login-title em { color: var(--self-accent); font-style: normal; }
.flex-login-sub { margin: .45rem 0 0; font-size: .88rem; color: var(--self-muted); line-height: 1.45; }
.flex-login-form { margin-top: 1rem; }
.flex-login-btn { width: 100%; margin-top: 1rem; padding: .72rem 1rem; font-size: 1rem; }
.flex-cta-btn {
  border-radius: 18px !important;
  padding: .88rem 1.1rem !important;
  background: linear-gradient(90deg, #e8ce8a, var(--self-accent2), var(--self-accent)) !important;
  box-shadow: 0 10px 28px rgba(184, 149, 74, .28);
  letter-spacing: .01em;
}
.flex-goal-card {
  margin-top: 1rem;
  padding: 1rem 1.05rem;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(21, 42, 66, .95), rgba(8, 21, 33, .92));
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: 0 14px 36px rgba(0,0,0,.28);
}
.flex-goal-card__top {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--self-accent2); margin-bottom: .45rem;
}
.flex-goal-card__chip {
  text-transform: none; letter-spacing: 0; font-size: .72rem;
  padding: .2rem .55rem; border-radius: 999px; background: rgba(255,255,255,.12); color: #fff;
}
.flex-goal-card p { margin: 0; font-size: .9rem; font-weight: 600; color: #fff; line-height: 1.4; }
.flex-goal-card__bar {
  margin-top: .75rem; height: 6px; border-radius: 999px; background: rgba(255,255,255,.1); overflow: hidden;
}
.flex-goal-card__bar > span {
  display: block; height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--self-accent), var(--self-accent2));
}
.flex-login-switch {
  margin: .85rem 0 0; text-align: center; font-size: .88rem; color: var(--self-muted);
}
.flex-login-switch a { font-weight: 700; }
.flex-login-foot { margin-top: 1rem; font-size: .82rem; color: var(--self-muted); text-align: center; line-height: 1.45; }
.flex-login-badges {
  display: flex; flex-wrap: wrap; gap: .35rem; justify-content: center;
  margin-top: 1rem; font-size: .68rem; letter-spacing: .04em; text-transform: uppercase; color: rgba(158,176,196,.65);
}
.flex-login-badges span {
  padding: .2rem .45rem; border-radius: 999px; border: 1px solid var(--self-border);
}

/* Native iOS app */
.native-ios-app .flex-guest-wrap { grid-template-columns: 1fr; }
.native-ios-app .flex-guest-hero { min-height: 180px; padding: calc(12px + env(safe-area-inset-top,0px)) 20px 16px; align-items: flex-end; }
.native-ios-app .flex-guest-tagline,
.native-ios-app .flex-guest-foot,
.native-ios-app .flex-guest-logos { display: none; }
.native-ios-app .flex-guest-brand { font-size: 1.55rem; }
.native-ios-app .flex-guest-panel { border-left: none; padding: 12px 16px calc(16px + env(safe-area-inset-bottom,0px)); align-items: flex-start; }
.native-ios-app .flex-guest-card.self-login { box-shadow: none; border: none; background: transparent; padding: 0; max-width: 100%; }
.native-ios-app .flex-login-logo { max-width: 140px; }
.native-ios-app .self-topbar { padding-top: calc(.75rem + env(safe-area-inset-top,0px)); }
.native-ios-app input, .native-ios-app select, .native-ios-app textarea, .native-ios-app button, .native-ios-app .self-btn { font-size: 16px; }

@media (max-width: 860px) {
  .flex-guest-wrap { grid-template-columns: 1fr; }
  .flex-guest-hero { min-height: 220px; align-items: flex-end; }
  .flex-guest-panel { border-left: none; }
}
@media (max-width: 640px) {
  .self-step { grid-template-columns: auto 1fr; }
  .self-step .self-btn { grid-column: 1 / -1; }
  .self-nav { display: none; }
}