:root {
  --bg: #07090c;
  --surface: #0d1117;
  --surface-2: #141922;
  --surface-3: #1b222e;
  --line: rgba(255,255,255,.08);
  --text: #f7f8fa;
  --muted: #9aa4b2;
  --yellow: #f4f000;
  --yellow-soft: rgba(244,240,0,.12);
  --danger: #ff6868;
  --radius: 22px;
  --shadow: 0 20px 60px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; color: var(--text); background: radial-gradient(circle at 80% 0%, rgba(244,240,0,.06), transparent 30%), var(--bg); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input, textarea { font: inherit; }
button { color: inherit; }
.app-shell { min-height: 100vh; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: 250px; padding: 26px 18px; border-right: 1px solid var(--line); background: rgba(7,9,12,.88); backdrop-filter: blur(18px); z-index: 20; display: flex; flex-direction: column; }
.brand { background: none; border: 0; padding: 0 8px 26px; cursor: pointer; text-align: left; }
.brand img { display: block; width: 155px; height: 66px; object-fit: cover; object-position: center; border-radius: 10px; }
.side-nav { display: grid; gap: 7px; }
.nav-item { border: 0; background: transparent; color: var(--muted); display: flex; gap: 14px; align-items: center; padding: 13px 15px; border-radius: 14px; cursor: pointer; text-align: left; transition: .2s ease; }
.nav-item span { width: 25px; font-size: 22px; text-align: center; }
.nav-item b { font-size: 14px; }
.nav-item:hover, .nav-item.active { color: var(--yellow); background: var(--yellow-soft); }
.install-compact { margin-top: 16px; padding: 12px; border: 1px solid rgba(244,240,0,.35); background: var(--yellow-soft); color: var(--yellow); border-radius: 13px; cursor: pointer; font-weight: 800; }
.coach-card { margin-top: auto; display: grid; grid-template-columns: 42px 1fr auto; gap: 10px; align-items: center; padding: 12px; border: 1px solid var(--line); background: var(--surface); border-radius: 16px; }
.coach-avatar { width: 42px; height: 42px; overflow: hidden; border-radius: 50%; border: 2px solid var(--yellow); }
.coach-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%; }
.coach-card small { display: block; color: var(--muted); font-size: 11px; }
.coach-card strong { font-size: 13px; }
.online-dot { width: 8px; height: 8px; border-radius: 50%; background: #54d37d; box-shadow: 0 0 0 4px rgba(84,211,125,.12); }
.main-content { margin-left: 250px; min-height: 100vh; padding: 34px clamp(24px,4vw,64px) 70px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 30px; }
.eyebrow { margin: 0 0 6px; color: var(--yellow); font-size: 11px; letter-spacing: .18em; font-weight: 900; }
h1 { margin: 0; font-size: clamp(25px,3vw,38px); letter-spacing: -.04em; }
.top-actions { display: flex; gap: 10px; align-items: center; }
.install-button { border: 1px solid rgba(244,240,0,.35); background: var(--yellow-soft); color: var(--yellow); border-radius: 14px; padding: 11px 15px; font-weight: 850; cursor: pointer; }
.icon-button { position: relative; width: 44px; height: 44px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; }
.notification-badge { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--yellow); right: 10px; top: 9px; }
.profile-chip { display: flex; align-items: center; gap: 9px; height: 44px; border: 1px solid var(--line); background: var(--surface); border-radius: 14px; padding: 5px 12px 5px 6px; cursor: pointer; }
.profile-chip span { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: var(--yellow); color: #060606; font-weight: 900; font-size: 12px; }
.profile-chip em { font-style: normal; font-size: 13px; font-weight: 800; }
.view { animation: enter .3s ease; }
@keyframes enter { from { opacity: 0; transform: translateY(6px); } }
.grid { display: grid; gap: 18px; }
.dashboard-grid { grid-template-columns: 1.5fr .8fr; }
.card { border: 1px solid var(--line); background: linear-gradient(145deg, rgba(20,25,34,.96), rgba(12,15,21,.96)); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero { min-height: 310px; padding: clamp(25px,4vw,45px); position: relative; overflow: hidden; display: flex; align-items: center; }
.hero::after { content: ""; position: absolute; inset: 0 0 0 48%; background: linear-gradient(90deg, var(--surface-2) 0%, transparent 35%), url('assets/images/personal-afit.jpg') center 23%/cover no-repeat; opacity: .82; }
.hero-content { max-width: 520px; position: relative; z-index: 2; }
.hero .pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 11px; color: var(--yellow); background: var(--yellow-soft); border: 1px solid rgba(244,240,0,.2); border-radius: 999px; font-size: 11px; font-weight: 900; }
.hero h2 { margin: 18px 0 12px; max-width: 470px; font-size: clamp(30px,4vw,52px); line-height: 1.02; letter-spacing: -.055em; }
.hero h2 span { color: var(--yellow); }
.hero p { margin: 0 0 24px; color: #c3cad3; max-width: 430px; line-height: 1.6; }
.primary-button, .secondary-button { border: 0; border-radius: 14px; padding: 13px 18px; font-weight: 900; cursor: pointer; transition: .2s; }
.primary-button { background: var(--yellow); color: #090a0a; }
.secondary-button { background: var(--surface-3); border: 1px solid var(--line); }
.primary-button:hover, .secondary-button:hover { transform: translateY(-2px); }
.progress-card { padding: 25px; display: flex; flex-direction: column; justify-content: space-between; }
.card-label { margin: 0; color: var(--muted); font-size: 12px; font-weight: 800; }
.progress-ring { width: 140px; height: 140px; margin: 18px auto; border-radius: 50%; background: conic-gradient(var(--yellow) 0 52%, #252c36 52% 100%); display: grid; place-items: center; position: relative; }
.progress-ring::after { content: ""; width: 106px; height: 106px; border-radius: 50%; background: var(--surface); position: absolute; }
.progress-ring strong { z-index: 1; font-size: 30px; }
.progress-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
.section-title { display: flex; justify-content: space-between; align-items: end; margin: 30px 0 14px; }
.section-title h2 { margin: 0; font-size: 21px; letter-spacing: -.03em; }
.section-title button { background: none; color: var(--yellow); border: 0; cursor: pointer; font-weight: 800; font-size: 12px; }
.quick-grid { grid-template-columns: repeat(4, 1fr); }
.quick-card { padding: 20px; min-height: 125px; cursor: pointer; transition: .2s; }
.quick-card:hover { transform: translateY(-4px); border-color: rgba(244,240,0,.35); }
.quick-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: var(--yellow-soft); color: var(--yellow); font-size: 21px; }
.quick-card h3 { margin: 16px 0 4px; font-size: 15px; }
.quick-card p { margin: 0; color: var(--muted); font-size: 12px; }
.workout-list { display: grid; gap: 10px; }
.exercise-row { display: grid; grid-template-columns: 58px 1fr auto; gap: 14px; align-items: center; border: 1px solid var(--line); background: var(--surface-2); padding: 10px; border-radius: 16px; cursor: pointer; transition: .2s; }
.exercise-row:hover { border-color: rgba(244,240,0,.35); transform: translateX(3px); }
.exercise-thumb { width: 58px; height: 58px; border-radius: 12px; overflow: hidden; background: #242a33; }
.exercise-thumb img { width: 100%; height: 100%; object-fit: cover; }
.exercise-row h3 { margin: 0 0 5px; font-size: 14px; }
.exercise-row p { margin: 0; color: var(--muted); font-size: 12px; }
.arrow { color: var(--yellow); font-size: 20px; padding: 10px; }
.content-grid { grid-template-columns: minmax(0,1.5fr) minmax(250px,.6fr); align-items: start; }
.panel { padding: clamp(18px,3vw,28px); }
.video-frame { aspect-ratio: 16/9; border-radius: 18px; overflow: hidden; background: #030405; position: relative; border: 1px solid var(--line); }
.video-frame img { width: 100%; height: 100%; object-fit: cover; opacity: .72; }
.play-button { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%,-50%); width: 64px; height: 64px; border-radius: 50%; border: 1px solid rgba(255,255,255,.35); background: rgba(5,6,8,.74); backdrop-filter: blur(10px); font-size: 22px; cursor: pointer; }
.detail-block { margin-top: 24px; }
.detail-block h3 { font-size: 15px; margin: 0 0 8px; }
.detail-block p, .detail-block li { color: #b6bec9; line-height: 1.65; font-size: 13px; }
.detail-block ul { padding-left: 20px; }
.detail-block li::marker { color: var(--yellow); }
.stat-grid { display: grid; gap: 12px; }
.stat-card { padding: 22px; text-align: center; }
.stat-card small { color: var(--muted); }
.stat-card strong { display: block; margin: 8px 0 2px; color: var(--yellow); font-size: 32px; }
.plan-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
.plan-card { padding: 28px; position: relative; }
.plan-card.featured { border-color: var(--yellow); }
.plan-tag { position: absolute; top: 18px; right: 18px; background: var(--yellow); color: #080808; padding: 5px 9px; font-size: 10px; font-weight: 900; border-radius: 999px; }
.plan-price { font-size: 38px; margin: 18px 0 4px; font-weight: 950; color: var(--yellow); }
.plan-price small { font-size: 13px; color: var(--muted); }
.check-list { list-style: none; padding: 0; display: grid; gap: 10px; color: #c5cbd3; font-size: 13px; }
.check-list li::before { content: "✓"; color: var(--yellow); margin-right: 9px; font-weight: 900; }
.info-list { display: grid; gap: 12px; }
.info-card { padding: 20px; display: flex; gap: 14px; align-items: flex-start; }
.info-card .quick-icon { flex: 0 0 auto; }
.info-card h3 { margin: 1px 0 6px; font-size: 15px; }
.info-card p { margin: 0; color: var(--muted); line-height: 1.55; font-size: 13px; }
.chat-shell { height: min(650px,70vh); display: grid; grid-template-rows: auto 1fr auto; overflow: hidden; }
.chat-head { padding: 18px 22px; border-bottom: 1px solid var(--line); }
.messages { padding: 22px; overflow: auto; display: flex; flex-direction: column; gap: 12px; }
.message { max-width: 70%; padding: 12px 14px; border-radius: 16px; background: var(--surface-3); font-size: 13px; line-height: 1.5; }
.message.mine { align-self: flex-end; color: #090909; background: var(--yellow); }
.chat-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 15px; border-top: 1px solid var(--line); }
.chat-form input { min-width: 0; border: 1px solid var(--line); background: var(--surface-2); color: var(--text); padding: 13px 15px; border-radius: 14px; outline: 0; }
.profile-layout { grid-template-columns: .7fr 1.3fr; }
.profile-hero { padding: 28px; text-align: center; }
.profile-photo { width: 110px; height: 110px; margin: 0 auto 16px; border-radius: 30px; background: var(--yellow); display: grid; place-items: center; color: #070707; font-size: 32px; font-weight: 950; }
.mobile-nav { display: none; }
.install-banner { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 60; width: min(560px,calc(100% - 28px)); display: grid; grid-template-columns: 52px 1fr auto auto; gap: 12px; align-items: center; border: 1px solid rgba(244,240,0,.28); background: rgba(13,17,23,.96); backdrop-filter: blur(18px); border-radius: 18px; padding: 12px; box-shadow: 0 20px 70px rgba(0,0,0,.6); }
.install-banner img { width: 48px; height: 48px; border-radius: 12px; }
.install-banner strong, .install-banner small { display: block; }
.install-banner small { color: var(--muted); margin-top: 3px; }
.install-banner button { border: 0; border-radius: 12px; padding: 10px 14px; cursor: pointer; font-weight: 900; background: var(--yellow); color: #060606; }
.install-banner .dismiss { background: transparent; color: var(--muted); padding: 8px; font-size: 22px; }
.modal { position: fixed; inset: 0; z-index: 80; background: rgba(0,0,0,.72); display: grid; place-items: center; padding: 20px; }
.modal-card { width: min(390px,100%); position: relative; padding: 28px; border-radius: 24px; border: 1px solid var(--line); background: var(--surface); text-align: center; box-shadow: var(--shadow); }
.modal-close { position: absolute; right: 13px; top: 13px; border: 0; background: transparent; font-size: 24px; cursor: pointer; }
.modal-icon { width: 62px; height: 62px; display: grid; place-items: center; margin: 0 auto 15px; border-radius: 18px; background: var(--yellow-soft); color: var(--yellow); font-size: 30px; }
.modal-card p { color: var(--muted); line-height: 1.6; }
.hidden { display: none !important; }
@media (max-width: 1024px) {
  .sidebar { width: 88px; padding-inline: 12px; }
  .brand { padding-inline: 0; }
  .brand img { width: 64px; height: 48px; object-fit: cover; }
  .nav-item { justify-content: center; padding: 13px; }
  .nav-item b, .coach-card div:not(.coach-avatar), .online-dot, .install-compact { display: none; }
  .coach-card { display: flex; justify-content: center; padding: 8px; }
  .main-content { margin-left: 88px; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .progress-card { min-height: 280px; }
}
@media (max-width: 760px) {
  body { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }
  .sidebar { display: none; }
  .main-content { margin: 0; padding: 22px 16px 28px; }
  .topbar { margin-bottom: 20px; }
  .topbar h1 { font-size: 25px; }
  .profile-chip em, .icon-button { display: none; }
  .install-button { display: none !important; }
  .profile-chip { border: 0; padding: 0; background: none; }
  .mobile-nav { position: fixed; display: grid; grid-template-columns: repeat(5,1fr); left: 10px; right: 10px; bottom: max(10px,env(safe-area-inset-bottom)); z-index: 50; padding: 8px 6px; border-radius: 20px; border: 1px solid var(--line); background: rgba(12,15,21,.94); backdrop-filter: blur(18px); box-shadow: 0 18px 50px rgba(0,0,0,.55); }
  .mobile-nav-item { border: 0; background: transparent; color: var(--muted); display: grid; place-items: center; gap: 2px; padding: 5px; border-radius: 12px; cursor: pointer; }
  .mobile-nav-item span { font-size: 21px; }
  .mobile-nav-item small { font-size: 9px; font-weight: 800; }
  .mobile-nav-item.active { color: var(--yellow); background: var(--yellow-soft); }
  .hero { min-height: 470px; align-items: end; padding: 25px; }
  .hero::after { inset: 0; background: linear-gradient(0deg, var(--surface-2) 0%, rgba(13,17,23,.6) 48%, transparent 75%), url('assets/images/personal-afit.jpg') center 15%/cover no-repeat; }
  .hero-content { width: 100%; }
  .hero h2 { font-size: 34px; }
  .hero p { font-size: 13px; }
  .quick-grid { grid-template-columns: repeat(2,1fr); }
  .content-grid, .plan-grid, .profile-layout { grid-template-columns: 1fr; }
  .section-title { margin-top: 24px; }
  .install-banner { bottom: 92px; grid-template-columns: 44px 1fr auto; }
  .install-banner img { width: 42px; height: 42px; }
  .install-banner .dismiss { position: absolute; top: -12px; right: -5px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: #272d36; }
  .install-banner strong { font-size: 13px; }
  .install-banner small { font-size: 10px; }
  .install-banner button { padding: 9px 11px; font-size: 12px; }
}