/* Shared UI system for beta functional pages */
:root {
  --sh-purple: #6c5ce7;
  --sh-purple-dark: #5b21b6;
  --sh-purple-light: #a78bfa;
  --sh-bg-dark: #0f0f1a;
  --sh-bg-dark2: #1a1a2e;
  --sh-text-light: #ffffff;
  --sh-bg: #f5f5f7;
  --sh-card: #ffffff;
  --sh-border: #e5e7eb;
  --sh-text: #1d1d1f;
  --sh-sub: #6b7280;
  --sh-primary: #7c5cfc;
  --sh-primary-hover: #6344e0;
  --sh-danger-bg: #fef2f2;
  --sh-danger: #991b1b;
  --sh-success-bg: #ecfdf5;
  --sh-success: #065f46;
  --sh-info-bg: #eef2ff;
  --sh-info: #3730a3;
}

.sh-page {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  background: var(--sh-bg);
  color: var(--sh-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  animation: shFadeIn 0.24s ease;
  overflow-x: hidden;
  max-width: 100%;
}

@supports (min-height: 100dvh) {
  .sh-page {
    min-height: 100dvh;
  }
}

.sh-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px max(20px, env(safe-area-inset-right, 0px)) max(48px, env(safe-area-inset-bottom, 24px)) max(20px, env(safe-area-inset-left, 0px));
}
.sh-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 13px;
}
.sh-topbar a {
  color: var(--sh-primary);
  text-decoration: none;
}
.sh-topbar a:hover { text-decoration: underline; }
.sh-brand {
  font-size: 18px;
  letter-spacing: 1px;
}
.sh-brand .brand { color: var(--sh-primary); }

.sh-card {
  background: var(--sh-card);
  border: 1px solid var(--sh-border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 10px 28px rgba(17,24,39,0.05);
}

.sh-title { margin: 0 0 8px; font-size: clamp(1.25rem, 1vw + 1.1rem, 1.5rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
.sh-sub { margin: 0; color: var(--sh-sub); line-height: 1.65; font-size: 15px; }

.sh-label { display: block; font-size: 13px; font-weight: 600; margin: 14px 0 8px; }
.sh-input, .sh-select, .sh-textarea {
  width: 100%; border: 1px solid #d1d5db; border-radius: 10px;
  padding: 10px 12px; font-size: 14px; background: #fff;
}
.sh-textarea { min-height: 110px; resize: vertical; }
.sh-input:focus, .sh-select:focus, .sh-textarea:focus {
  outline: none; border-color: var(--sh-primary); box-shadow: 0 0 0 3px rgba(124,92,252,0.12);
}

.sh-btn { border: 0; border-radius: 10px; padding: 11px 14px; font-size: 14px; font-weight: 600; cursor: pointer; }
.sh-btn-primary { background: var(--sh-primary); color: #fff; }
.sh-btn-primary:hover { background: var(--sh-primary-hover); }
.sh-btn-ghost { background: #fff; color: var(--sh-primary); border: 1px solid #ddd6fe; }
.sh-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.sh-btn:focus-visible, .sh-input:focus-visible, .sh-select:focus-visible, .sh-textarea:focus-visible {
  outline: 2px solid rgba(124, 92, 252, 0.45);
  outline-offset: 1px;
}

.sh-state { margin-top: 14px; font-size: 13px; padding: 10px 12px; border-radius: 10px; line-height: 1.6; display: none; }
.sh-state.show { display: block; }
.sh-state-info { background: var(--sh-info-bg); color: var(--sh-info); border: 1px solid #c7d2fe; }
.sh-state-ok { background: var(--sh-success-bg); color: var(--sh-success); border: 1px solid #a7f3d0; }
.sh-state-err { background: var(--sh-danger-bg); color: var(--sh-danger); border: 1px solid #fecaca; }

.sh-steps {
  display: flex;
  gap: 8px;
  margin: 14px 0 0;
}
.sh-step {
  font-size: 12px;
  border-radius: 999px;
  padding: 6px 10px;
  border: 1px solid var(--sh-border);
  color: var(--sh-sub);
  background: #fff;
}
.sh-step.active {
  border-color: #c4b5fd;
  color: #5b21b6;
  background: #f5f3ff;
}

@keyframes shFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .sh-page { animation: none; }
}

@media (max-width: 480px) {
  .sh-wrap {
    padding-top: 20px;
  }

  .sh-card {
    padding: 18px 16px;
  }

  .sh-title {
    font-size: 1.2rem;
  }
}