:root{--bg:#f5f7fa;--surface:#fff;--text:#1a1a2e;--text-muted:#64748b;--border:#e2e8f0;--primary:#1A73E8;--accent:#4285F4;--radius:12px;--shadow:0 4px 16px rgba(0,0,0,.08);--nav-h:56px;--footer-h:72px;--safe-bottom:env(safe-area-inset-bottom,0)}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif;background:var(--bg);color:var(--text);line-height:1.5;padding-bottom:calc(var(--nav-h)+var(--footer-h)+var(--safe-bottom)+16px)}
#app-root{max-width:640px;margin:0 auto}#app-main{padding:12px 14px 20px}
.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px;margin-bottom:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:999px;padding:10px 18px;font-size:.95rem;cursor:pointer;text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}.btn-secondary{background:#eef2ff;color:var(--primary)}.btn-accent{background:var(--accent);color:#fff;font-weight:600}
.btn-sm{padding:6px 12px;font-size:.85rem}.btn-lg{padding:14px 24px;width:100%}.btn-block{width:100%;margin-bottom:8px}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.72rem}.badge-active{background:#dcfce7;color:#166534}.badge-ended{background:#f1f5f9;color:#64748b}.badge-used{background:#fef3c7;color:#92400e}
.muted{color:var(--text-muted);font-size:.9rem}.page-title,.section-title{font-size:1.15rem;margin:0 0 12px}.section{margin:16px 0}
.form-stack label{display:block;margin-bottom:10px;font-size:.9rem}.form-stack input,.form-stack textarea,.form-stack select{width:100%;margin-top:4px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font:inherit}
.header-row{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
.header-brand{font-weight:600;font-size:.95rem}.header-actions{display:flex;gap:8px;align-items:center}
.bottom-nav{position:fixed;left:0;right:0;bottom:calc(var(--footer-h)+var(--safe-bottom));background:var(--surface);border-top:1px solid var(--border);z-index:30}
.bottom-nav ul{display:flex;list-style:none;margin:0;padding:0}.bottom-nav li{flex:1}
.bottom-nav a{display:flex;flex-direction:column;align-items:center;padding:8px 4px;text-decoration:none;color:var(--text-muted);font-size:.68rem}
.bottom-nav a.active{color:var(--primary);font-weight:600}
.contact-footer{position:fixed;left:0;right:0;bottom:0;z-index:40;background:#fff;border-top:1px solid var(--border);padding:8px 12px calc(8px + var(--safe-bottom))}
.contact-footer__btns{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.contact-footer__cta,.contact-footer__btn{padding:8px 14px;border-radius:999px;font-size:.85rem;text-decoration:none;border:none;cursor:pointer}
.contact-footer__cta{background:var(--primary);color:#fff}.contact-footer__btn{background:#f1f5f9}
.contact-footer__brand{text-align:center;font-size:.7rem;color:var(--text-muted);margin:6px 0 0}
.toast-container{position:fixed;top:60px;left:50%;transform:translateX(-50%);z-index:9999}
.toast{padding:10px 18px;border-radius:8px;margin-bottom:8px;color:#fff;font-size:.9rem}
.toast-success{background:#059669}.toast-error{background:#dc2626}.toast-info{background:#334155}
.modal-root{position:fixed;inset:0;z-index:9000;display:flex;align-items:center;justify-content:center;padding:16px}
.modal-root.hidden{display:none}.modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.5)}
.modal-box{position:relative;width:100%;max-width:400px;max-height:85vh;overflow-y:auto;z-index:1}
.sk-block{height:80px;background:linear-gradient(90deg,#e2e8f0 25%,#f1f5f9 50%,#e2e8f0 75%);background-size:200% 100%;animation:shimmer 1.2s infinite;border-radius:12px;margin:8px}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.tabs{display:flex;gap:4px;margin-bottom:10px}.tab{border:none;background:#f1f5f9;padding:8px 14px;border-radius:999px;font-size:.85rem;cursor:pointer}.tab.on{background:var(--primary);color:#fff}
.empty-hint{text-align:center;padding:24px;color:var(--text-muted)}