:root{
  --bg:#f4f4f9;
  --fg:#333;
  --card:#fff;
  --muted:#666;
  --primary:#007bff;
  --primary-hover:#0056b3;
  --border:#e6e6ef;
}

*{ box-sizing:border-box; }

body{
  font-family: Arial, sans-serif;
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--fg);
}

.container{
  max-width:1200px;
  margin:0 auto;
  padding:20px;
}

h1{ text-align:center; color:#333; }

.program-card{
  background:#fff;
  border-radius:8px;
  padding:20px;
  box-shadow:0 2px 4px rgba(0,0,0,0.1);
  margin-bottom:20px;
  text-align:center;
}

.program-card h2{ margin:0 0 10px; font-size:24px; }
.program-card p{ font-size:18px; color:#666; }
.program-card .price{ font-size:28px; margin:10px 0; color:var(--primary); }
.program-card select{
  margin:10px;
  padding:8px;
  font-size:16px;
  border-radius:5px;
  border:1px solid #ccc;
}

.program-card .muted { color: var(--muted); font-size:14px; margin-top:4px; }

.btn-row{
  display:flex; gap:12px; justify-content:center; flex-wrap:wrap; margin-top:12px;
}

.btn{
  display:inline-block; padding:10px 18px; font-size:16px; line-height:1;
  border-radius:6px; border:1px solid transparent; cursor:pointer; text-decoration:none;
  transition:transform .06s ease, background .2s ease, border-color .2s ease;
}

.btn:active{ transform: translateY(1px); }
.btn:focus-visible{ outline:2px solid #000; outline-offset:2px; }

.btn--primary{ background:var(--primary); color:#fff; border-color:var(--primary); }
.btn--primary:hover{ background:var(--primary-hover); border-color:var(--primary-hover); }

.btn--secondary{ background:#fff; color:var(--primary); border-color:var(--primary); }
.btn--secondary:hover{ background:#f0f6ff; }

/* Top bar */
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}

.brand{ font-weight:700; color:#222; letter-spacing:.2px; }
.brand-link{ color:inherit; text-decoration:none; }

.auth{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
  justify-content:flex-end;
}

.hello{
  color:#444;
  font-size:14px;
  max-width:360px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* Auth modal */
.modal-backdrop{
  position:fixed; inset:0;
  background:rgba(0,0,0,.45);
  display:none;
  align-items:center;
  justify-content:center;
  padding:20px;
  z-index:9999;
}
.modal{
  width:min(520px, 100%);
  background:#fff;
  border-radius:12px;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
  overflow:hidden;
}
.modal-header{
  padding:16px 18px;
  border-bottom:1px solid #eee;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.modal-title{ font-size:18px; font-weight:700; margin:0; }
.modal-close{
  background:transparent;
  border:0;
  font-size:22px;
  cursor:pointer;
  line-height:1;
  padding:4px 8px;
}
.modal-body{ padding:18px; color:#333; }
.modal-body p{ margin:0 0 12px; color:#555; }
.modal-actions{ display:flex; gap:12px; flex-wrap:wrap; margin-top:10px; }
.modal-actions .btn{ flex:1; text-align:center; }
.modal-note{ margin-top:10px; font-size:13px; color:#777; }

/* prevent page scroll when modal open */
body.modal-open { overflow: hidden; touch-action: none; }

/* mobile-friendly modal sizing */
.modal-backdrop .modal{
  width: min(520px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

/* better tap targets on mobile */
.modal-backdrop .btn{ min-height:44px; }
.modal-backdrop .modal-close{ min-width:44px; min-height:44px; }

/* Auth pages (login/register) */
.auth-card{
  max-width:520px;
  margin:40px auto 0;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  box-shadow:0 8px 24px rgba(0,0,0,.06);
  padding:18px;
  text-align:left;
}

.auth-card h1{
  margin:0 0 10px;
  font-size:28px;
  text-align:center;
}

.auth-row{ margin:12px 0; }

.auth-row label{
  display:block;            /* ключевое */
  font-size:14px;
  margin-bottom:6px;
  color:#444;
}

.auth-row input{
  width:100%;               /* ключевое */
  padding:10px 12px;
  border:1px solid #ccc;
  border-radius:8px;
  font-size:16px;
}

.auth-hint{
  font-size:13px;
  color:var(--muted);
  margin-top:10px;
  line-height:1.35;
}

.auth-error{
  background:#fff3f3;
  border:1px solid #ffd0d0;
  color:#a40000;
  padding:10px 12px;
  border-radius:10px;
  margin:12px 0;
}

.auth-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:14px;
}

.auth-actions .btn{
  flex:1;
  text-align:center;
}