:root{font-family:Aptos,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:#172033;background:#edf3f8;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,textarea{font:inherit}button{border:0}#root{min-height:100vh}.notifier-shell{position:relative;min-height:100vh;overflow:hidden;padding:56px clamp(18px,4vw,64px);background:linear-gradient(135deg,#ffffffe0,#edf8ffc2),radial-gradient(circle at 12% 12%,rgba(20,184,166,.26),transparent 28%),radial-gradient(circle at 86% 4%,rgba(249,115,22,.18),transparent 32%),linear-gradient(135deg,#eff7fb,#e5edf5 52%,#f9fbfc)}.notifier-shell:before{position:absolute;inset:0;pointer-events:none;content:"";background-image:linear-gradient(rgba(23,32,51,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(23,32,51,.05) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 72%);mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 72%)}.notifier-hero,.notifier-panel{position:relative;z-index:1;width:min(1120px,100%);margin:0 auto}.notifier-hero{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:32px;align-items:end;margin-bottom:28px}.eyebrow,.section-kicker{margin:0 0 10px;color:#0f766e;font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.hero-copy h1{max-width:820px;margin:0;font-size:clamp(2.3rem,4.4vw,4.8rem);line-height:1.04;letter-spacing:0}.hero-copy h1 span{white-space:nowrap}.hero-description{max-width:660px;margin:22px 0 0;color:#475569;font-size:1.08rem}.hero-metric{padding:24px;border:1px solid rgba(15,118,110,.18);border-radius:8px;background:#ffffffc7;box-shadow:0 24px 70px #1e293b1f;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.hero-metric span{display:block;color:#0f766e;font-size:4rem;font-weight:900;line-height:1}.hero-metric p{margin:8px 0 0;color:#475569;font-weight:700}.logout-button{margin-top:16px;padding:8px 16px;border:1px solid rgba(15,118,110,.3);border-radius:8px;background:#0f766e14;color:#0f766e;font-size:.9rem;font-weight:700;cursor:pointer;transition:background .18s ease}.logout-button:hover{background:#0f766e29}.notifier-panel{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(320px,1.1fr);gap:18px;padding:18px;border:1px solid rgba(148,163,184,.26);border-radius:8px;background:#ffffffbd;box-shadow:0 30px 90px #1e293b29;-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px)}.recipient-section,.message-section{padding:clamp(22px,3vw,34px);border-radius:8px}.recipient-section{background:#172033;color:#f8fafc}.message-section{border:1px solid rgba(148,163,184,.22);background:#ffffffb8}.section-heading h2{margin:0;font-size:clamp(1.5rem,2vw,2rem);line-height:1.1}.recipient-grid{display:grid;gap:12px;margin-top:26px}.recipient-card{position:relative;display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center;min-height:76px;padding:14px;border:2px solid rgba(255,255,255,.1);border-radius:8px;cursor:pointer;background:#ffffff0f;transition:background .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease}.recipient-card:hover{border-color:#ffffff47;background:#ffffff1f;transform:translateY(-2px)}.recipient-card.is-selected{border-color:var(--accent);background:linear-gradient(0deg,color-mix(in srgb,var(--accent) 22%,transparent),color-mix(in srgb,var(--accent) 22%,transparent)),#ffffff0f;box-shadow:0 0 0 1px var(--accent),0 10px 24px color-mix(in srgb,var(--accent) 35%,transparent);transform:translateY(-2px)}.recipient-card.is-selected:after{content:"";position:absolute;top:10px;right:12px;width:20px;height:20px;border-radius:50%;background:var(--accent);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");background-size:14px;background-repeat:no-repeat;background-position:center}.recipient-card.is-selected .recipient-copy strong{color:#fff}.recipient-card input{position:absolute;opacity:0;pointer-events:none}.avatar{display:grid;width:46px;height:46px;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font-weight:900;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.recipient-hint{grid-column:1 / -1;margin:0;color:#cbd5e1;font-size:.95rem}.recipient-hint.is-error{color:#f87171}.recipient-copy{display:grid;gap:3px}.recipient-copy strong{font-size:1.02rem}.recipient-copy small{color:#cbd5e1}.message-field{display:grid;gap:12px;margin-top:26px}.message-field span{color:#334155;font-weight:800}.message-field textarea{width:100%;min-height:240px;resize:vertical;border:1px solid #cbd5e1;border-radius:8px;padding:18px;outline:none;background:#f8fafc;color:#172033;line-height:1.7;transition:border-color .16s ease,box-shadow .16s ease}.message-field textarea:focus{border-color:#0f766e;box-shadow:0 0 0 4px #14b8a629}.message-footer{display:flex;gap:16px;align-items:center;justify-content:space-between;margin-top:18px}.message-footer span{color:#64748b;font-weight:700}.message-footer button{min-width:152px;min-height:50px;border-radius:8px;cursor:pointer;background:linear-gradient(135deg,#0f766e,#14b8a6);color:#fff;font-weight:900;box-shadow:0 16px 34px #14b8a647;transition:transform .18s ease,box-shadow .18s ease,opacity .18s ease}.message-footer button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 20px 42px #14b8a657}.message-footer button:disabled{cursor:not-allowed;opacity:.55}.status-message{margin:16px 0 0;padding:12px 14px;border-radius:8px;font-weight:800}.status-message.success{background:#dcfce7;color:#166534}.status-message.error{background:#fee2e2;color:#991b1b}.status-message.sending,.status-message.idle{background:#e0f2fe;color:#075985}@media(max-width:840px){.notifier-shell{padding:34px 16px}.notifier-hero,.notifier-panel{grid-template-columns:1fr}.notifier-hero{align-items:stretch}.hero-metric{padding:18px}.notifier-panel{padding:10px}}@media(max-width:520px){.message-footer{align-items:stretch;flex-direction:column}.message-footer button{width:100%}}.login-shell{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:32px;background:radial-gradient(circle at 12% 12%,rgba(20,184,166,.26),transparent 28%),radial-gradient(circle at 86% 4%,rgba(249,115,22,.18),transparent 32%),linear-gradient(135deg,#eff7fb,#e5edf5 52%,#f9fbfc)}.login-card{display:flex;flex-direction:column;gap:18px;width:min(420px,100%);padding:clamp(28px,4vw,44px);border:1px solid rgba(148,163,184,.26);border-radius:14px;background:#ffffffd1;box-shadow:0 30px 90px #1e293b29;-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px)}.login-heading{display:flex;flex-direction:column;gap:6px;margin-bottom:6px}.login-kicker{margin:0;color:#0f766e;font-size:.78rem;font-weight:800;text-transform:uppercase}.login-heading h1{margin:0;font-size:2.2rem;line-height:1.1;color:#172033}.login-subtitle{margin:0;color:#475569;font-size:.96rem}.login-field{display:flex;flex-direction:column;gap:8px;font-weight:600;color:#172033}.login-field span{font-size:.9rem}.login-field input{padding:12px 14px;border:1px solid rgba(148,163,184,.5);border-radius:8px;background:#fff;font-size:1rem;color:#172033;transition:border-color .18s ease,box-shadow .18s ease}.login-field input:focus{outline:none;border-color:#0f766e;box-shadow:0 0 0 3px #0f766e29}.login-error{margin:0;padding:10px 12px;border-radius:8px;background:#dc26261a;color:#b91c1c;font-size:.9rem;font-weight:600}.login-card button{margin-top:4px;padding:13px 16px;border:none;border-radius:8px;background:#0f766e;color:#fff;font-size:1rem;font-weight:700;cursor:pointer;transition:background .18s ease,transform .18s ease}.login-card button:hover:not(:disabled){background:#0d655e}.login-card button:disabled{opacity:.65;cursor:not-allowed}