:root { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color-scheme: light; --auth-accent: #0f172a; }
body.app-auth-page { margin: 0; min-height: 100vh; display: flex; align-items: center; justify-content: center; background: radial-gradient(circle at top, #f8fafc 0%, #eef2f7 48%, #e2e8f0 100%); color: #0f172a; padding: 24px 16px; box-sizing: border-box; }
.auth-shell, .app-auth-shell { width: min(460px, 100%); border-radius: 28px; background: #fff; box-shadow: 0 24px 80px rgba(15, 23, 42, 0.10); border: 1px solid #e2e8f0; box-sizing: border-box; }
.app-auth-shell-loading { min-height: 520px; overflow: hidden; }
.app-auth-loading { padding: 40px; display: grid; gap: 18px; }
.app-auth-loading-hero { display: grid; gap: 14px; justify-items: center; padding: 8px 0 12px; }
.app-auth-loading-card { border: 1px solid #e2e8f0; border-radius: 20px; padding: 22px; display: grid; gap: 14px; background: rgba(248, 250, 252, 0.72); }
.app-auth-loading-line { display: block; border-radius: 999px; background: linear-gradient(90deg, #e2e8f0 0%, #f8fafc 50%, #e2e8f0 100%); background-size: 200% 100%; animation: app-auth-loading-shimmer 1.2s linear infinite; }
.app-auth-loading-line.title { width: 58%; height: 28px; }
.app-auth-loading-line.subtitle { width: 82%; height: 14px; }
.app-auth-loading-line.subtitle.short { width: 64%; }
.app-auth-loading-line.label { width: 18%; height: 12px; }
.app-auth-loading-line.input { width: 100%; height: 46px; border-radius: 14px; }
.app-auth-loading-line.button { width: 100%; height: 48px; border-radius: 999px; }
@keyframes app-auth-loading-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.hero, .app-auth-hero { padding: 40px 40px 8px; text-align: center; }
.hero-logo, .app-auth-brand-logo { width: 56px; height: 56px; border-radius: 18px; object-fit: cover; display: inline-flex; margin: 0 auto 16px; border: 1px solid #e2e8f0; background: #fff; }
.hero h1, .app-auth-brand-title { margin: 0 0 10px; font-size: 32px; line-height: 1.15; letter-spacing: -0.03em; text-align: center; }
.hero p, .app-auth-brand-subtitle { margin: 0 0 12px; line-height: 1.7; color: #64748b; text-align: center; }
.status, .app-auth-feedback { margin: 0 40px 20px; padding: 12px 14px; border-radius: 14px; background: #f8fafc; color: #334155; border: 1px solid #e2e8f0; }
.status.error, .app-auth-feedback.error { background: #fff1f2; border-color: #fecdd3; color: #be123c; }
.status.success, .app-auth-feedback.success { background: #ecfdf5; border-color: #bbf7d0; color: #166534; }
.auth-grid, .app-auth-grid { display: grid; gap: 16px; padding: 0 40px 40px; }
.app-auth-entry-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.app-auth-methods { display: grid; gap: 16px; }
.panel, .app-auth-panel { border: 1px solid #e2e8f0; border-radius: 20px; padding: 20px; background: #fff; }
.panel h2, .app-auth-panel-title { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.02em; }
.panel p, .app-auth-panel-description { font-size: 14px; color: #64748b; margin: 0 0 12px; line-height: 1.7; }
.field, .app-auth-field { display: grid; gap: 8px; margin-top: 12px; }
.field label, .app-auth-label { font-size: 13px; color: #475569; font-weight: 600; }
.field input, .app-auth-input { width: 100%; box-sizing: border-box; border: 1px solid #cbd5e1; border-radius: 14px; padding: 10px 13px; font: inherit; background: #fff; }
.actions, .app-auth-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
button, .app-auth-button { border: 0; border-radius: 14px; padding: 10px 13px; font: inherit; font-weight: 600; cursor: pointer; background: var(--auth-accent); color: #fff; min-height: 42px; }
button.secondary, .app-auth-button.secondary, .app-auth-button-secondary { background: #fff; color: var(--auth-accent); border: 1px solid #cbd5e1; }
button.full, .app-auth-button.full, .app-auth-button-full { width: 100%; }
button:disabled, .app-auth-button:disabled { opacity: .5; cursor: not-allowed; }
.result, .app-auth-result { margin-top: 12px; padding: 12px; border-radius: 12px; background: #f8fafc; border: 1px solid #e2e8f0; color: #334155; word-break: break-all; white-space: pre-wrap; }
.hidden { display: none !important; }