*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #08090d;
  --s1: #0e0f16;
  --s2: #13141d;
  --s3: #1a1c28;
  --border: #1e2133;
  --border2: #252840;
  --acc: #6c63ff;
  --acc2: #9d97ff;
  --green: #22c55e;
  --green-dim: rgba(34,197,94,.12);
  --red: #ef4444;
  --yellow: #f59e0b;
  --text: #eeeef5;
  --muted: #6b7280;
  --muted2: #4b5162;
  --r: 14px;
}

html, body { min-height: 100vh; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px; line-height: 1.6; -webkit-font-smoothing: antialiased; }

/* ── Screens ───────────────────────────────────────────────────────────── */
.screen { display: none; }
.screen.active { display: block; }

/* ── Welcome ───────────────────────────────────────────────────────────── */
.welcome-wrap { min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 32px 20px; }

.brand { display: flex; align-items: center; gap: 14px; margin-bottom: 36px; }
.brand-logo { width: 52px; height: 52px; background: linear-gradient(135deg, var(--acc), #a78bfa);
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 900; color: #fff; flex-shrink: 0; }
.brand-name { font-size: 20px; font-weight: 700; }
.brand-name span { color: var(--acc2); }
.brand-sub { font-size: 12px; color: var(--muted); margin-top: 1px; }

.welcome-card { background: var(--s1); border: 1px solid var(--border);
  border-radius: 20px; padding: 32px 28px; width: 100%; max-width: 400px;
  display: flex; flex-direction: column; gap: 10px; }
.welcome-card h1 { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.welcome-desc { color: var(--muted); font-size: 14px; line-height: 1.65; margin-bottom: 6px; }

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn { display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 13px 20px; border: none; border-radius: 11px;
  font-size: 15px; font-weight: 600; cursor: pointer; transition: opacity .15s, transform .1s;
  text-decoration: none; }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }

.btn-primary { background: linear-gradient(135deg, var(--acc) 0%, #9b87ff 100%); color: #fff; }
.btn-primary:hover:not(:disabled) { opacity: .9; }

.btn-ghost { background: var(--s2); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--s3); }

.btn-support { background: transparent; color: var(--muted); border: 1px solid var(--border2);
  font-size: 14px; }
.btn-support:hover { color: var(--text); }

.btn-tg { background: #229ED9; color: #fff; font-size: 14px; padding: 11px 20px; }
.btn-tg:hover { opacity: .9; }

/* ── Page layout (register/login/key) ──────────────────────────────────── */
.page-wrap { min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 32px 20px; }
.page-card { background: var(--s1); border: 1px solid var(--border); border-radius: 20px;
  padding: 32px 28px; width: 100%; max-width: 440px;
  display: flex; flex-direction: column; gap: 12px; }
.page-card h2 { font-size: 20px; font-weight: 700; }
.page-desc { color: var(--muted); font-size: 14px; }
.back-btn { align-self: flex-start; background: none; border: none; color: var(--muted);
  font-size: 13px; cursor: pointer; padding: 0 0 8px; }
.back-btn:hover { color: var(--text); }

/* ── Key reveal ────────────────────────────────────────────────────────── */
.key-reveal-card { text-align: center; }
.key-reveal-icon { font-size: 40px; margin-bottom: 4px; }
.warn-box { background: rgba(245,158,11,.08); border: 1px solid rgba(245,158,11,.25);
  border-radius: 10px; padding: 13px 15px; font-size: 13px; color: #fcd34d;
  text-align: left; line-height: 1.65; }
.warn-box a { color: #fcd34d; }
.key-box { background: var(--s2); border: 1px solid var(--border2); border-radius: 10px;
  padding: 14px 16px; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 12.5px;
  word-break: break-all; color: var(--acc2); cursor: pointer; transition: border-color .2s;
  text-align: left; }
.key-box:hover { border-color: var(--acc); }
.key-hint { font-size: 12px; color: var(--muted); }
.copy-ok { font-size: 12px; color: var(--green); }
.checkbox-wrap { display: flex; align-items: center; gap: 9px; font-size: 14px;
  color: var(--muted); cursor: pointer; text-align: left; }
.checkbox-wrap input { width: 17px; height: 17px; accent-color: var(--acc); cursor: pointer; }

/* ── Input ─────────────────────────────────────────────────────────────── */
.input { width: 100%; background: var(--s2); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 15px; color: var(--text); font-size: 14px;
  outline: none; transition: border-color .2s; }
.input:focus { border-color: var(--acc); }
.input::placeholder { color: var(--muted2); }
.err-msg { font-size: 13px; color: var(--red); min-height: 18px; }
.hint-link { font-size: 13px; color: var(--muted); text-align: center; }
.hint-link a { color: var(--acc2); text-decoration: none; }

/* ── Cabinet ───────────────────────────────────────────────────────────── */
.cab-wrap { max-width: 500px; margin: 0 auto; padding: 0 16px 56px; }
.cab-header { display: flex; align-items: center; justify-content: space-between; padding: 24px 0 20px; }
.cab-brand { font-size: 18px; font-weight: 800; letter-spacing: -.3px; }
.cab-brand span { color: var(--acc2); }
.logout-btn { background: none; border: 1px solid var(--border); border-radius: 8px;
  color: var(--muted); font-size: 12px; padding: 5px 12px; cursor: pointer; }
.logout-btn:hover { color: var(--text); }

.test-banner { background: rgba(245,158,11,.08); border: 1px solid rgba(245,158,11,.2);
  border-radius: 10px; padding: 9px 14px; font-size: 13px; color: #fcd34d;
  text-align: center; margin-bottom: 14px; }

/* Status card */
.sub-status-card { display: flex; align-items: center; gap: 14px;
  background: var(--s1); border: 1px solid var(--border); border-radius: 16px;
  padding: 18px 20px; margin-bottom: 16px; }
.active-card { border-color: rgba(34,197,94,.2); background: rgba(34,197,94,.04); }
.inactive-card { border-color: rgba(239,68,68,.15); }
.sub-status-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.sub-status-dot.active { background: var(--green); box-shadow: 0 0 8px var(--green); }
.sub-status-dot.inactive { background: var(--red); }
.sub-status-title { font-size: 15px; font-weight: 600; }
.sub-status-sub { font-size: 13px; color: var(--muted); margin-top: 2px; }
.renew-btn { background: var(--s2); border: 1px solid var(--border2); border-radius: 8px;
  color: var(--text); font-size: 12px; padding: 6px 14px; cursor: pointer; white-space: nowrap; }
.renew-btn:hover { background: var(--s3); }

/* Section label */
.section-label { font-size: 11px; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }

/* Plans */
.plans-section, .extend-panel { background: var(--s1); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px; margin-bottom: 16px; }
.plans-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 14px; }
.plan-item { background: var(--s2); border: 1.5px solid var(--border);
  border-radius: 12px; padding: 15px 12px; cursor: pointer; text-align: center;
  transition: border-color .15s, background .15s; }
.plan-item:hover { border-color: var(--border2); }
.plan-item.sel { border-color: var(--acc); background: rgba(108,99,255,.08); }
.plan-item-label { font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.plan-item-price { font-size: 21px; font-weight: 700; }
.plan-item-price span { font-size: 13px; color: var(--muted); font-weight: 400; }
.btn-pay { margin-top: 4px; }
.pay-msg { font-size: 13px; margin-top: 8px; min-height: 18px; }
.pay-msg.ok { color: var(--green); }
.pay-msg.err { color: var(--red); }

/* VPN Key */
.vpn-key-section { background: var(--s1); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px; margin-bottom: 16px; }
.vpn-key-card { background: var(--bg); border: 1px solid var(--border2);
  border-radius: 12px; display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px; margin-bottom: 8px; }
.vpn-key-text { flex: 1; font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px; word-break: break-all; color: var(--acc2); line-height: 1.7; }
.copy-btn { flex-shrink: 0; background: var(--s2); border: 1px solid var(--border2);
  border-radius: 8px; color: var(--text); font-size: 12px; font-weight: 600;
  padding: 7px 13px; cursor: pointer; display: flex; align-items: center; gap: 5px;
  white-space: nowrap; transition: background .15s, color .15s; }
.copy-btn:hover { background: var(--s3); }
.copy-btn.copied { background: var(--green-dim); border-color: rgba(34,197,94,.3); color: var(--green); }
.vpn-key-hint { font-size: 12px; color: var(--muted); }

/* Instructions */
.instructions-section { background: var(--s1); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px; margin-bottom: 16px; }
.instr-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.instr-title { font-size: 16px; font-weight: 700; }
.platform-select { background: var(--s2); border: 1px solid var(--border2); border-radius: 9px;
  color: var(--text); font-size: 13px; font-weight: 600; padding: 7px 12px 7px 10px;
  cursor: pointer; outline: none; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
  padding-right: 32px; }
.platform-select:focus { border-color: var(--acc); }

.instruction-steps { display: flex; flex-direction: column; gap: 10px; }
.step-card { background: var(--s2); border: 1px solid var(--border); border-radius: 14px;
  padding: 16px 18px; display: flex; gap: 14px; align-items: flex-start; }
.step-icon { width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 18px; }
.step-icon.download { background: rgba(108,99,255,.15); }
.step-icon.key     { background: rgba(34,197,94,.12); }
.step-icon.connect { background: rgba(34,197,94,.12); }
.step-icon.done    { background: rgba(34,197,94,.15); color: var(--green); }
.step-icon.warn    { background: rgba(157,151,255,.12); }

/* App tabs (multiple app options per platform) */
.app-tabs { display: flex; gap: 0; margin-bottom: 12px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.app-tab { flex: 1; background: none; border: none; color: var(--muted);
  font-size: 13px; font-weight: 600; padding: 10px 12px; cursor: pointer;
  transition: background .15s, color .15s; border-right: 1px solid var(--border); }
.app-tab:last-child { border-right: none; }
.app-tab:hover { color: var(--text); background: var(--s2); }
.app-tab.active { background: rgba(108,99,255,.12); color: var(--acc2); }
.step-content { flex: 1; min-width: 0; }
.step-title { font-size: 14px; font-weight: 700; margin-bottom: 5px; }
.step-desc  { font-size: 13px; color: var(--muted); line-height: 1.6; }
.step-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.step-btn { display: inline-flex; align-items: center; gap: 6px;
  background: var(--s3); border: 1px solid var(--border2); border-radius: 8px;
  color: var(--text); font-size: 12px; font-weight: 600; padding: 7px 13px;
  text-decoration: none; cursor: pointer; transition: background .15s; }
.step-btn:hover { background: #2a2d42; text-decoration: none; }
.step-btn.primary { background: var(--acc); border-color: var(--acc); color: #fff; }
.step-btn.primary:hover { opacity: .9; background: var(--acc); }

/* Telegram */
.tg-section { background: var(--s1); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px; margin-bottom: 16px; }
.tg-linked-state { display: flex; align-items: center; gap: 14px; }
.tg-icon-wrap { width: 42px; height: 42px; border-radius: 50%; background: rgba(34,158,217,.12);
  border: 1px solid rgba(34,158,217,.2); display: flex; align-items: center;
  justify-content: center; font-size: 14px; font-weight: 700; color: #5db8d8; flex-shrink: 0; }
.tg-icon-wrap.linked { background: var(--green-dim); border-color: rgba(34,197,94,.2); color: var(--green); font-size: 18px; }
.tg-title { font-size: 15px; font-weight: 600; }
.tg-user-name { font-size: 13px; color: var(--muted); margin-top: 2px; }
.tg-promo { display: flex; gap: 14px; margin-bottom: 14px; }
.tg-benefits { display: flex; flex-direction: column; gap: 4px; margin-top: 6px;
  font-size: 13px; color: var(--muted); }
.tg-widget-area { display: flex; justify-content: flex-start; }
.tg-test-area { display: flex; flex-direction: column; gap: 8px; }

/* Modals */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.7);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.modal-box { background: var(--s1); border: 1px solid var(--border); border-radius: 20px;
  padding: 32px 28px; width: 100%; max-width: 420px; text-align: center; }
.modal-box h3 { font-size: 19px; font-weight: 700; margin-bottom: 4px; }
.modal-success-icon { width: 56px; height: 56px; background: var(--green-dim);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 26px; color: var(--green); margin: 0 auto 16px; }
.modal-spinner { width: 32px; height: 32px; border: 3px solid var(--border);
  border-top-color: var(--acc); border-radius: 50%;
  animation: spin .8s linear infinite; margin: 20px auto 0; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Support row */
.support-row { margin-top: 4px; }

/* Login blocks */
.login-block { display: flex; flex-direction: column; gap: 10px; }
.login-block-label { font-size: 13px; font-weight: 700; color: var(--text); }
.login-block-desc { font-size: 13px; color: var(--muted); margin-top: -4px; }
.login-vpn-input { resize: none; font-family: 'SF Mono','Fira Code',monospace; font-size: 12px; }
.login-divider { display: flex; align-items: center; gap: 12px; margin: 4px 0; }
.login-divider::before, .login-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.login-divider span { font-size: 12px; color: var(--muted2); white-space: nowrap; }

/* a11y */
a { color: var(--acc2); text-decoration: none; }
a:hover { text-decoration: underline; }

@media (max-width: 380px) {
  .plans-grid { grid-template-columns: 1fr; }
  .platform-tabs { gap: 4px; }
  .ptab { font-size: 11px; padding: 6px 9px; }
}