:root{--ink:#172033;--muted:#738095;--line:#e5eaf0;--panel:#fff;--canvas:#f4f7fa;--nav:#0c1625;--nav2:#142238;--accent:#15b8a6;--accent-dark:#079687;--danger:#dc4054;--shadow:0 18px 50px rgba(17,32,51,.16);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--canvas);font-size:16px}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.12em;color:var(--accent-dark);margin:0 0 5px}.lock-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 70% 15%,#1b4051 0,transparent 35%),linear-gradient(135deg,#08111e,#13263b)}.lock-card{width:min(420px,100%);background:rgba(255,255,255,.98);padding:44px;border-radius:24px;box-shadow:0 30px 80px rgba(0,0,0,.35)}.lock-card h1{font-size:2.45rem;letter-spacing:-.055em;margin:12px 0 5px}.lock-copy{color:var(--muted);line-height:1.6;margin:0 0 30px}.brand-mark{width:54px;height:54px;border-radius:15px;background:var(--nav);position:relative;box-shadow:0 10px 24px rgba(12,22,37,.2)}.brand-mark:before{content:"";position:absolute;inset:15px 11px;border:2px solid white;border-radius:3px}.brand-mark span:before,.brand-mark span:after{content:"";position:absolute;top:19px;width:17px;height:2px;background:var(--accent)}.brand-mark span:before{left:11px;transform:rotate(36deg)}.brand-mark span:after{right:11px;transform:rotate(-36deg)}.brand-mark.small{width:40px;height:40px;border-radius:11px;box-shadow:none}.brand-mark.small:before{inset:12px 8px}.brand-mark.small span:before,.brand-mark.small span:after{top:15px;width:13px}.brand-mark.small span:before{left:8px}.brand-mark.small span:after{right:8px}label{display:grid;gap:8px;font-size:.84rem;font-weight:700;color:#46536a}input,select,textarea{width:100%;border:1px solid #ccd4df;border-radius:10px;background:#fff;padding:12px 13px;color:var(--ink);outline:none;transition:.18s border,.18s box-shadow}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(21,184,166,.14)}textarea{resize:vertical;line-height:1.55}.pin-form{display:grid;gap:14px}.pin-form input{font-size:1.7rem;letter-spacing:.45em;text-align:center;padding:14px}.primary,.compose{border:0;background:var(--accent);color:#052f2c;font-weight:800;border-radius:10px;padding:13px 18px}.primary:hover,.compose:hover{background:#20cbb7}.primary:disabled{opacity:.55;cursor:wait}.primary.compact{padding:10px 16px}.ghost{border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:700;border-radius:10px;padding:12px 18px}.form-error{min-height:20px;margin:0;color:var(--danger);font-size:.85rem}.app{display:grid;grid-template-columns:252px minmax(0,1fr);height:100vh;overflow:hidden}.sidebar{background:var(--nav);color:#d7e1ee;padding:20px 14px;display:flex;flex-direction:column;overflow:auto}.brand{display:flex;gap:12px;align-items:center;padding:0 9px 25px}.brand b{display:block;color:white;font-size:1.08rem}.brand small{color:#7f91a8;font-size:.72rem}.compose{margin:0 5px 18px;text-align:left;padding:13px 16px}.compose span{font-size:1.25rem;margin-right:7px}.folders{display:grid;gap:4px}.folders button,.mailboxes button,.sidebar-footer button{border:0;background:transparent;color:#9fb0c3;border-radius:8px;padding:10px 12px;text-align:left;display:flex;align-items:center;gap:11px;font-size:.88rem}.folders button:hover,.folders button.active,.mailboxes button:hover,.mailboxes button.active{background:var(--nav2);color:#fff}.folders button span{width:18px;text-align:center}.folders b{margin-left:auto;background:#24364c;padding:2px 7px;border-radius:99px;font-size:.7rem}.sidebar-section{margin-top:18px}.section-title{display:flex;justify-content:space-between;align-items:center;padding:10px 10px 7px;color:#63768e;font-size:.68rem;font-weight:800;letter-spacing:.1em}.section-title button{border:0;background:transparent;color:#8ba0b8;font-size:1.15rem}.mailboxes{display:grid;gap:2px}.mailboxes button{min-width:0}.mailboxes button:before{content:"";width:7px;height:7px;border-radius:50%;background:#65798f;flex:0 0 auto}.mailboxes button.active:before{background:var(--accent)}.mailboxes button span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-footer{margin-top:auto;padding-top:20px;border-top:1px solid #1f3045;display:flex}.sidebar-footer button{flex:1;justify-content:center}.workspace{min-width:0;display:flex;flex-direction:column}.topbar{height:88px;flex:0 0 88px;background:#fff;border-bottom:1px solid var(--line);padding:16px 26px;display:flex;align-items:center;justify-content:space-between}.topbar h2{margin:0;font-size:1.5rem;letter-spacing:-.03em}.top-actions{display:flex;gap:10px;align-items:center}.icon-btn{border:1px solid var(--line);background:#fff;border-radius:10px;width:42px;height:42px;font-size:1.2rem;color:#526075}.mail-layout{display:grid;grid-template-columns:minmax(320px,39%) minmax(0,1fr);min-height:0;flex:1}.message-list-panel{background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0}.list-tools{height:65px;flex:0 0 65px;padding:12px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}.list-tools input{background:#f5f7fa;border:0;padding:10px 12px}.list-tools span{font-size:.75rem;color:var(--muted);white-space:nowrap}.message-list{overflow:auto;flex:1}.message-row{width:100%;border:0;border-bottom:1px solid #edf0f4;background:#fff;padding:16px;text-align:left;display:block;position:relative}.message-row:hover,.message-row.active{background:#f1faf8}.message-row.unread:before{content:"";position:absolute;left:5px;top:22px;width:6px;height:6px;border-radius:50%;background:var(--accent)}.message-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.message-from{font-weight:750;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.message-date{font-size:.7rem;color:var(--muted);white-space:nowrap}.message-subject{font-size:.85rem;margin:7px 0 4px;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.message-preview{font-size:.76rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mailbox-chip{display:inline-block;color:#4d6c77;background:#edf6f5;padding:3px 7px;border-radius:5px;font-size:.66rem;margin-top:9px}.message-view{padding:34px 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button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 12px;color:#536075;font-weight:650;font-size:.8rem}.reader-actions button.danger{color:var(--danger)}.mail-body{white-space:pre-wrap;line-height:1.7;color:#2d394c;font-family:inherit;font-size:.96rem;overflow-wrap:anywhere}.attachments{margin-top:28px;padding-top:18px;border-top:1px solid var(--line)}.attachments a{display:inline-block;margin:8px 8px 0 0;padding:9px 12px;border:1px solid var(--line);border-radius:8px;color:var(--ink);text-decoration:none;font-size:.8rem;background:#fff}.loading,.no-messages{padding:45px 25px;text-align:center;color:var(--muted)}dialog{border:0;padding:0;border-radius:18px;box-shadow:var(--shadow);width:min(560px,calc(100% - 28px));max-height:calc(100vh - 30px);color:var(--ink)}dialog::backdrop{background:rgba(5,13,24,.65);backdrop-filter:blur(3px)}.modal form{padding:25px;display:grid;gap:16px;max-height:calc(100vh - 30px);overflow:auto}.modal header,.modal 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16px;border-radius:10px;box-shadow:var(--shadow);font-size:.85rem;opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}.toast.error{background:#9d2637}.mobile-only{display:none}@media(max-width:820px){.app{grid-template-columns:1fr}.sidebar{position:fixed;inset:0 auto 0 0;width:270px;z-index:20;transform:translateX(-100%);transition:.2s;box-shadow:var(--shadow)}.sidebar.open{transform:none}.mobile-only{display:block}.topbar{height:76px;flex-basis:76px;padding:12px 14px;gap:12px}.topbar>div:nth-child(2){margin-right:auto}.topbar h2{font-size:1.25rem}.topbar .eyebrow{display:none}.mail-layout{grid-template-columns:1fr}.message-list-panel{border-right:0}.message-view{position:fixed;inset:76px 0 0;z-index:10;display:none;padding:24px 18px}.message-view.open{display:block}.message-view.empty-view{display:none}.reader-back{display:inline-block!important}.lock-card{padding:32px 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