:root{--primary:#073b7a;--primary-deep:#062f63;--secondary:#177a55;--accent:#8bc53f;--accent-soft:#eff8e7;--page:#eef3f6;--panel:#fff;--panel-soft:#f7fafc;--ink:#18324a;--text:#23364a;--muted:#64748b;--line:#d9e5e2;--danger:#b42318;--danger-soft:#fff0ed;--success:#177a55;--success-soft:#edf8f3;--shadow:0 12px 32px rgba(20,50,74,.10);--shadow-soft:0 6px 18px rgba(20,50,74,.07);--radius:16px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:"Segoe UI",Arial,sans-serif;color:var(--text);background:var(--page)}body{font-size:15px}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.muted{color:var(--muted)}.nav-icon{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}.nav-icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.btn{border:0;border-radius:11px;padding:11px 16px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.18s ease;min-height:42px}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 7px 16px rgba(7,59,122,.18)}.btn-primary:hover{box-shadow:0 9px 20px rgba(7,59,122,.24)}.btn-light{background:#fff;border:1px solid var(--line);color:var(--primary)}.btn-light:hover{border-color:#b9ccc8;background:#f9fbfb}.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-block{width:100%}.alert{border-radius:12px;padding:12px 14px;margin:14px 0;line-height:1.45;font-weight:600}.alert-error{background:var(--danger-soft);color:#912018;border:1px solid #f1c1b9}.alert-success{background:var(--success-soft);color:#0e6547;border:1px solid #b9dfd0}.field{margin:18px 0}.field label{display:block;font-weight:700;margin-bottom:7px;color:var(--ink)}.input{width:100%;border:1px solid #cddbd8;border-radius:11px;padding:13px 14px;background:#fff;outline:none;transition:.18s ease;color:var(--text)}.input:focus{border-color:var(--secondary);box-shadow:0 0 0 4px rgba(23,122,85,.10)}

/* Login */
.login-body{background:#e9f0f3}.login-page{min-height:100vh;display:grid;grid-template-columns:minmax(520px,1.12fr) minmax(390px,.88fr);position:relative}.brand-panel{position:relative;min-height:100vh;overflow:hidden;background:linear-gradient(135deg,rgba(6,47,99,.92),rgba(13,94,112,.82) 55%,rgba(23,122,85,.88)),url('https://hrm.trinamulchtbd.org/img/bck/tus_ferb.jpg') center/cover no-repeat}.brand-panel:before,.brand-panel:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08);pointer-events:none}.brand-panel:before{width:380px;height:380px;right:-110px;top:-120px}.brand-panel:after{width:280px;height:280px;left:-90px;bottom:-100px}.brand-panel-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,28,54,.08),rgba(3,28,54,.34))}.brand-panel-content{position:relative;z-index:2;min-height:100vh;padding:58px clamp(46px,7vw,96px);display:flex;flex-direction:column;color:#fff}.brand-lockup{display:flex;align-items:center;gap:14px}.brand-logo-large{width:66px;height:66px;border-radius:50%;object-fit:cover;border:3px solid rgba(255,255,255,.92);box-shadow:0 12px 28px rgba(0,0,0,.18);background:#fff}.brand-lockup strong{display:block;font-size:23px;line-height:1.1}.brand-kicker{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.12em;opacity:.82;margin-bottom:5px}.brand-message{margin:auto 0;max-width:720px;padding:64px 0}.product-chip{display:inline-flex;align-items:center;padding:7px 12px;border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.12);border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;backdrop-filter:blur(6px)}.brand-message h1{font-size:clamp(42px,5.4vw,74px);line-height:1.02;margin:22px 0 20px;letter-spacing:-.035em;max-width:820px}.brand-message p{max-width:650px;font-size:18px;line-height:1.7;color:rgba(255,255,255,.88);margin:0}.brand-features{display:flex;gap:22px;flex-wrap:wrap;color:rgba(255,255,255,.9);font-size:13px;font-weight:600}.brand-features span{display:flex;align-items:center;gap:8px}.brand-features i{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(139,197,63,.15)}.login-panel{display:flex;align-items:center;justify-content:center;padding:48px clamp(34px,5vw,72px);background:rgba(255,255,255,.98)}.login-card{width:min(450px,100%);padding:8px 0}.login-mobile-brand{display:none;align-items:center;gap:10px;margin-bottom:34px}.login-mobile-brand img{width:48px;height:48px;border-radius:50%;object-fit:cover}.login-mobile-brand strong,.login-mobile-brand span{display:block}.login-mobile-brand strong{color:var(--primary);font-size:18px}.login-mobile-brand span{color:var(--secondary);font-size:13px;font-weight:700}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:800;color:var(--secondary)}.login-card h2{font-size:36px;line-height:1.1;margin:10px 0 10px;color:var(--ink);letter-spacing:-.02em}.login-intro{color:var(--muted);line-height:1.6;margin:0 0 25px}.login-form .field{margin:16px 0}.login-submit{margin-top:8px;min-height:48px}.login-help{margin-top:24px;padding:14px 16px;border-radius:12px;background:#f5faf8;border:1px solid #d6e9e1;display:flex;gap:10px;align-items:flex-start}.login-help p{margin:0;color:#587066;font-size:12.5px;line-height:1.55}.security-dot{width:10px;height:10px;border-radius:50%;background:var(--secondary);box-shadow:0 0 0 4px rgba(23,122,85,.12);margin-top:4px;flex:0 0 auto}.login-footer{margin-top:30px;padding-top:18px;border-top:1px solid #e6eeec;display:flex;gap:7px;flex-wrap:wrap;color:#7c8c98;font-size:12px}

/* App shell */
.mail-shell{min-height:100vh;display:grid;grid-template-columns:266px minmax(0,1fr);background:var(--page)}.sidebar{background:linear-gradient(180deg,#062f63 0%,#073b7a 46%,#0b5768 100%);color:#fff;padding:18px 16px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;box-shadow:6px 0 24px rgba(7,59,122,.08);z-index:30}.sidebar-brand{display:flex;gap:11px;align-items:center;padding:6px 7px 22px;color:#fff}.sidebar-brand img{width:46px;height:46px;border-radius:50%;object-fit:cover;background:#fff;border:2px solid rgba(255,255,255,.88)}.sidebar-brand strong{display:block;font-size:17px;line-height:1.12}.sidebar-brand small{display:block;color:rgba(255,255,255,.72);font-weight:700;margin-top:2px;font-size:12px}.compose-link{width:100%;margin-bottom:21px;background:#fff;color:var(--primary);box-shadow:none;justify-content:flex-start;padding-left:17px}.compose-link:hover{background:#f0f7f4}.nav-section-label{padding:0 12px 8px;color:rgba(255,255,255,.55);font-size:10px;text-transform:uppercase;letter-spacing:.13em;font-weight:800}.nav{display:grid;gap:4px}.nav a{padding:11px 12px;border-radius:10px;color:rgba(255,255,255,.84);font-weight:650;display:flex;align-items:center;transition:.18s ease}.nav a:hover{background:rgba(255,255,255,.09);color:#fff}.nav a.active{background:rgba(255,255,255,.15);color:#fff;box-shadow:inset 3px 0 0 var(--accent)}.nav-label{display:flex;align-items:center;gap:11px}.sidebar-spacer{flex:1}.sidebar-footer{border-top:1px solid rgba(255,255,255,.13);padding:16px 6px 0}.sidebar-user{display:flex;gap:10px;min-width:0;align-items:center}.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--secondary),var(--accent));color:#fff;font-size:12px;font-weight:800;box-shadow:0 5px 13px rgba(0,0,0,.14);flex:0 0 auto}.avatar-small{width:39px;height:39px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.16);box-shadow:none}.user-mini{min-width:0;line-height:1.22}.user-mini strong,.user-mini span,.user-mini small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-mini strong{font-size:12.5px;color:#fff}.user-mini span{font-size:11.5px;color:rgba(255,255,255,.7);margin-top:2px}.user-mini small{font-size:10.5px;color:rgba(255,255,255,.52);margin-top:3px}.sidebar-signout{display:flex;align-items:center;gap:8px;margin-top:13px;color:rgba(255,255,255,.72);font-size:12px;font-weight:700;padding:8px 5px}.sidebar-signout:hover{color:#fff}.main{min-width:0;display:flex;flex-direction:column;min-height:100vh}.topbar{height:76px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:18px;padding:0 24px;position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.topbar-product{display:none}.search{flex:1;max-width:760px;position:relative}.search-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:#70889a;width:18px;height:18px}.search input{width:100%;padding:11px 14px 11px 42px;border:1px solid #d4e0de;border-radius:11px;background:#f6f9fa;color:var(--text);outline:none;transition:.18s ease}.search input:focus{background:#fff;border-color:var(--secondary);box-shadow:0 0 0 4px rgba(23,122,85,.08)}.topbar-user{margin-left:auto;display:flex;align-items:center;gap:10px;min-width:0}.topbar-user-copy{min-width:0}.topbar-user-copy strong,.topbar-user-copy span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-user-copy strong{font-size:12.5px;color:var(--ink);max-width:160px}.topbar-user-copy span{font-size:11px;color:var(--muted);margin-top:2px;max-width:160px}.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--primary);transition:.18s ease}.icon-btn:hover{background:#f3f8f6;border-color:#c6dad5}.mobile-menu-wrap{display:none}.content{padding:26px clamp(18px,3vw,36px) 18px;flex:1}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.toolbar h1{font-size:26px;margin:0;color:var(--ink);letter-spacing:-.02em}.toolbar .muted{font-size:13px;display:inline-block;margin-top:4px}.mail-card,.message-card,.compose-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft)}.mail-card{overflow:hidden}.mail-row{display:grid;grid-template-columns:28px minmax(150px,220px) minmax(220px,1fr) 145px;gap:12px;align-items:center;padding:13px 16px;border-bottom:1px solid #edf2f1;transition:.16s ease;position:relative}.mail-row:last-child{border-bottom:0}.mail-row:hover{background:#f5faf8}.mail-row.unread{font-weight:750;background:#fbfefc}.mail-row.unread:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--secondary)}.mail-row>span:first-child{color:var(--secondary);font-size:10px}.mail-row .subject,.mail-row .sender{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mail-row .sender{color:var(--ink)}.mail-row .subject{color:#40556a}.mail-row .date{text-align:right;color:var(--muted);font-size:12.5px;font-weight:500}.empty{padding:72px 24px;text-align:center;color:var(--muted);background:linear-gradient(180deg,#fff,#fbfdfd)}.message-card{padding:27px}.message-head{border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:24px}.message-head h1{font-size:28px;line-height:1.25;margin:0 0 18px;color:var(--ink);letter-spacing:-.02em}.meta-grid{display:grid;grid-template-columns:62px 1fr;gap:7px 12px;font-size:13.5px}.meta-grid .label{color:var(--muted);font-weight:700}.message-body{line-height:1.72;overflow-wrap:anywhere;color:#24394d}.message-body img{max-width:100%;height:auto}.message-body table{max-width:100%}.attachment-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}.attachment{display:inline-flex;align-items:center;padding:8px 11px;border-radius:9px;background:#f3f8f6;border:1px solid #d9e7e2;font-size:12.5px;color:var(--primary);font-weight:650}.attachment:hover{background:#eaf5f0}.compose-card{overflow:hidden;max-width:1040px}.compose-head{padding:16px 20px;border-bottom:1px solid var(--line);font-weight:750;color:var(--ink);background:linear-gradient(180deg,#fff,#fafcfc)}.compose-body{padding:20px}.recipient-line{display:grid;grid-template-columns:58px 1fr;align-items:center;border-bottom:1px solid var(--line)}.recipient-line label{color:var(--muted);font-weight:700;font-size:13px}.recipient-line input{border:0;padding:13px 4px;outline:none;width:100%;color:var(--text);background:transparent}.subject-input{width:100%;border:0;border-bottom:1px solid var(--line);padding:15px 0;font-weight:750;outline:none;color:var(--ink);font-size:15px}.editor{width:100%;min-height:340px;border:0;padding:19px 0;outline:none;resize:vertical;line-height:1.68;color:var(--text)}.compose-actions{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:17px;flex-wrap:wrap}.status-pill{display:inline-flex;padding:4px 9px;border-radius:999px;font-size:12px;font-weight:800;background:var(--accent-soft);color:#4f7b1e}.pager{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.pager a{padding:8px 11px;background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--primary);font-weight:700;font-size:12.5px}.pager a:hover{background:#f5faf8}.app-footer{padding:12px 30px 24px;color:#7b8a96;font-size:11.5px;display:flex;gap:7px;justify-content:center;flex-wrap:wrap}.footer-dot{color:#a7b4bc}.mobile-menu{position:relative}.mobile-menu summary{list-style:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;color:var(--primary);background:#fff;cursor:pointer}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu-panel{position:absolute;left:0;top:48px;width:270px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:12px;z-index:50}.mobile-brand{display:flex;align-items:center;gap:9px;padding:3px 3px 12px;border-bottom:1px solid var(--line);margin-bottom:10px}.mobile-brand img{width:37px;height:37px;border-radius:50%;object-fit:cover}.mobile-brand strong,.mobile-brand small{display:block}.mobile-brand strong{font-size:13px;color:var(--primary)}.mobile-brand small{font-size:11px;color:var(--secondary);font-weight:700}.mobile-folder-link{display:flex;align-items:center;gap:9px;padding:10px;border-radius:9px;color:#40556a;font-size:13px;font-weight:650;margin-top:3px}.mobile-folder-link:hover,.mobile-folder-link.active{background:#eff7f4;color:var(--secondary)}

@media(max-width:1080px){.mail-shell{grid-template-columns:236px minmax(0,1fr)}.sidebar{padding-left:13px;padding-right:13px}.topbar-user-copy{display:none}.mail-row{grid-template-columns:24px minmax(125px,185px) minmax(170px,1fr) 120px}.brand-panel-content{padding-left:48px;padding-right:48px}}
@media(max-width:820px){.login-page{grid-template-columns:1fr}.brand-panel{display:none}.login-panel{min-height:100vh;padding:30px 24px;background:linear-gradient(180deg,#edf5f2,#fff 30%)}.login-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow)}.login-mobile-brand{display:flex}.login-card h2{font-size:31px}.mail-shell{grid-template-columns:1fr}.sidebar{display:none}.mobile-menu-wrap{display:block}.topbar{padding:0 14px;height:70px;gap:10px}.topbar-product{display:block;min-width:58px}.topbar-product span,.topbar-product strong{display:block}.topbar-kicker{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:800}.topbar-product strong{font-size:14px;color:var(--primary)}.topbar-user{margin-left:0}.topbar-user .avatar,.topbar-user .icon-btn{display:none}.search{max-width:none}.content{padding:16px 14px 12px}.toolbar{align-items:flex-start;margin-bottom:14px}.toolbar h1{font-size:22px}.mail-row{grid-template-columns:20px minmax(95px,130px) minmax(0,1fr);padding:12px 12px;gap:9px}.mail-row .date{display:none}.message-card{padding:18px}.message-head h1{font-size:23px}.meta-grid{grid-template-columns:52px 1fr;font-size:12.5px}.compose-body{padding:15px}.compose-head{padding:14px 15px}.recipient-line{grid-template-columns:48px 1fr}.editor{min-height:290px}.app-footer{padding-bottom:18px}.search input{font-size:13px;padding-right:10px}}
@media(max-width:520px){.login-panel{padding:18px}.login-card{padding:24px 20px}.login-mobile-brand{margin-bottom:25px}.login-card h2{font-size:28px}.login-intro{font-size:14px}.topbar-product{display:none}.topbar{gap:8px}.toolbar{gap:9px}.toolbar .btn{padding:9px 11px;min-height:38px;font-size:12px}.mail-row{grid-template-columns:16px 92px minmax(0,1fr);font-size:13px}.message-card{border-radius:13px}.compose-card{border-radius:13px}.compose-actions .btn{flex:1 1 auto}.login-footer{font-size:11px}.mobile-menu-panel{width:min(270px,calc(100vw - 28px))}}