:root{--bg:#0b1021;--panel:#111830;--accent:#5b9dff;--accent-strong:#3f7ad8;--text:#e8ecf3;--muted:#9dadc6;--danger:#ff6b6b;--success:#4ade80;color-scheme:dark}*{box-sizing:border-box}body{margin:0;height:100vh;max-height:100vh;overflow:hidden;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:radial-gradient(circle at 20% 20%,#1a2444,#0b1021 45%),radial-gradient(circle at 80% 0,#11204f,transparent 40%),#0b1021;color:var(--text);display:flex;align-items:center;justify-content:center;padding:24px}a{color:inherit;text-decoration:none}.container{width:min(440px,100%);background:linear-gradient(145deg,hsla(0,0%,100%,.04),transparent);border:1px solid hsla(0,0%,100%,.06);border-radius:16px;padding:32px;box-shadow:0 20px 60px rgba(0,0,0,.35);position:relative;overflow:hidden}.container:after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 70% 10%,rgba(91,157,255,.15),transparent 40%);filter:blur(6px);z-index:0}header{position:relative;z-index:1;margin-bottom:20px}h1{margin:0 0 8px;font-size:28px;letter-spacing:-.5px}h2{margin:0 0 16px;font-size:20px;letter-spacing:-.3px}p.lead{margin:0;color:var(--muted)}form{gap:16px;position:relative;z-index:1}form,label{display:flex;flex-direction:column}label{gap:6px;font-weight:600;color:var(--muted)}input[type=email],input[type=password],input[type=text]{padding:12px 14px;border-radius:10px;border:1px solid hsla(0,0%,100%,.1);background:rgba(17,24,48,.8);color:var(--text);font-size:15px;transition:border-color .2s ease,transform .1s ease}input:focus{outline:none;border-color:rgba(91,157,255,.7);transform:translateY(-1px)}input[readonly]{opacity:.8;cursor:default}button{background:linear-gradient(135deg,var(--accent),var(--accent-strong));border:none;color:#0b1021;font-weight:700;padding:12px 16px;border-radius:10px;cursor:pointer;transition:transform .1s ease,box-shadow .2s ease;font-size:15px}button:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(91,157,255,.2)}button:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.status{padding:10px 12px;border-radius:10px;background:rgba(91,157,255,.12);border:1px solid rgba(91,157,255,.25);color:var(--accent);font-weight:600;display:flex;align-items:center;gap:8px}.status.error{background:hsla(0,100%,71%,.12);border-color:hsla(0,100%,71%,.3);color:var(--danger)}.link-row{display:flex;justify-content:space-between;align-items:center;margin-top:10px;color:var(--muted)}.small-btn{background:hsla(0,0%,100%,.08);color:var(--text);font-weight:600;padding:10px 12px;border-radius:10px;text-decoration:none;display:inline-block}.small-btn:hover{background:hsla(0,0%,100%,.12);transform:translateY(-1px)}.card{display:grid;grid-gap:12px;gap:12px;position:relative;z-index:1;background:linear-gradient(145deg,hsla(0,0%,100%,.04),transparent);border:1px solid 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ease;border-bottom:1px solid hsla(0,0%,100%,.03)}.contact-item:hover{background:hsla(0,0%,100%,.04)}.contact-item.active{background:rgba(91,157,255,.12)}.contact-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-strong));display:flex;align-items:center;justify-content:center;font-weight:700;color:#0b1021;font-size:18px;flex-shrink:0}.contact-info{flex:1 1;min-width:0}.contact-name{font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.contact-phone{font-size:13px;color:var(--muted)}.unread-badge{background:var(--accent);color:#0b1021;font-weight:700;font-size:12px;padding:4px 8px;border-radius:12px;min-width:24px;text-align:center}.loading-contacts,.no-contacts{padding:40px 20px;text-align:center;color:var(--muted)}.no-contacts span{display:block;font-size:13px;margin-top:8px;opacity:.7}.messages-area{background:linear-gradient(145deg,hsla(0,0%,100%,.04),transparent);border:1px solid 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rgba(91,157,255,.2)}.loading{padding:40px;text-align:center;color:var(--muted)}.mobile-contacts-fab{display:none;position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-strong));border:none;color:#0b1021;cursor:pointer;box-shadow:0 4px 20px rgba(91,157,255,.4);z-index:100;align-items:center;justify-content:center;transition:transform .2s ease,box-shadow .2s ease}.mobile-contacts-fab:hover{transform:scale(1.05);box-shadow:0 6px 28px rgba(91,157,255,.5)}.mobile-contacts-fab:active{transform:scale(.95)}.fab-badge{position:absolute;top:-4px;right:-4px;min-width:22px;height:22px;background:var(--danger);color:#fff;font-size:12px;font-weight:700;border-radius:11px;display:flex;align-items:center;justify-content:center;padding:0 6px}.mobile-contacts-popover{display:none;position:fixed;bottom:96px;right:24px;width:calc(100vw - 48px);max-width:340px;max-height:60vh;background:var(--panel);border:1px solid hsla(0,0%,100%,.1);border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,.5);z-index:99;overflow:hidden;animation:popoverSlideIn .2s ease-out}@keyframes popoverSlideIn{0%{opacity:0;transform:translateY(12px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.popover-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid hsla(0,0%,100%,.08)}.popover-header h3{margin:0;font-size:16px;font-weight:600}.popover-close{width:32px;height:32px;border-radius:8px;background:hsla(0,0%,100%,.06);border:none;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}.popover-close:hover{background:hsla(0,0%,100%,.1);color:var(--text)}.popover-contacts-list{max-height:calc(60vh - 64px);overflow-y:auto}.popover-contacts-list .contact-item{padding:14px 20px}.popover-contacts-list .contact-avatar{width:40px;height:40px;font-size:16px}@media (max-width:900px){.inbox-layout{grid-template-columns:1fr;position:relative}.contacts-sidebar{display:none}.mobile-contacts-fab{display:flex}.mobile-contacts-popover{display:flex;flex-direction:column}}@media (max-width:520px){body{padding:16px}h1{font-size:24px}.dashboard-container{height:calc(100vh - 32px);max-height:calc(100vh - 32px)}.dashboard-header{flex-direction:column;align-items:flex-start}.mobile-contacts-fab{bottom:20px;right:20px;width:52px;height:52px}.mobile-contacts-popover{right:16px;bottom:88px;width:calc(100vw - 32px);max-height:55vh}}