/* Webmail EDUCAPP: paleta y lenguaje visual tomados del sistema (login dividido con hexagonos, navy, azul de titulos) */
:root{--navy:#1b2a5a;--navy2:#26397a;--rail:#212e5a;--sky:#58aed3;--teal:#209ec3;--field:#e8edfc;--field2:#dfe6fb;--ink:#1b2a5a;--text:#2a3350;--mute:#6b7694;--line:#e3e6ee;--bg:#f5f6fa;--orange:#ec9e34;--green:#a3d12d;--red:#c9443d}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font:14px/1.5 "Montserrat","Lato","Segoe UI",system-ui,sans-serif;color:var(--text);background:var(--bg)}
button,input,textarea{font:inherit;color:inherit}
svg{width:16px;height:16px;flex:none}
[hidden]{display:none!important}
.btn{display:inline-flex;align-items:center;gap:6px;border:0;background:#fff;color:var(--navy);border-radius:3px;padding:8px 14px;cursor:pointer;font-weight:500;box-shadow:0 0 0 1px var(--line)}
.btn:hover{box-shadow:0 0 0 1px var(--teal);color:var(--teal)}
.btn.primary{background:var(--navy);color:#fff;box-shadow:none;letter-spacing:.04em}.btn.primary:hover{background:var(--navy2);color:#fff}
.btn.danger{color:var(--red)}.btn.danger:hover{box-shadow:0 0 0 1px var(--red);color:var(--red)}
.btn.wide{width:100%;justify-content:center}
.link{display:flex;align-items:center;gap:8px;background:none;border:0;padding:5px 0;cursor:pointer;color:var(--teal);text-align:left;font-weight:500}.link:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}

/* ---------- login (misma estructura que el acceso de EDUCAPP) ---------- */
body.login{background:var(--bg)}
.lg-wrap{display:flex;min-height:100vh}
.lg-brand{position:relative;flex:0 0 46%;overflow:hidden;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 20% 0%,#2c4a8c 0%,rgba(44,74,140,0) 55%),linear-gradient(170deg,#1b2c58 0%,#19264b 55%,#162140 100%)}
.lg-vec{position:absolute;pointer-events:none;user-select:none}
.lg-vec-1{top:4%;left:8%;width:42%;opacity:.13}.lg-vec-2{top:0;right:-22%;width:80%;opacity:.12}.lg-vec-3{bottom:18%;left:4%;width:55%;opacity:.3}.lg-vec-4{bottom:0;left:0;width:100%;opacity:.55}
.lg-brand-logo{position:relative;width:62%;max-width:430px}
.lg-main{flex:1;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.lg-box{width:100%;max-width:380px}
.lg-mobile-logo{display:none;width:200px;margin:0 auto 14px}
.lg-school{padding:0 0 16px;margin-bottom:18px;border-bottom:1px solid var(--line);text-align:center}
#logowebmail{width:200px;max-width:70%;height:auto;mix-blend-mode:multiply}
.lg-card{background:#fff;border-top:4px solid var(--navy);border-radius:4px;box-shadow:0 4px 18px rgba(27,42,90,.10);padding:30px 28px 18px;text-align:center}
.lg-avatar{width:68px;height:68px;margin:0 auto 24px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center}.lg-avatar svg{width:28px;height:28px}
.lg-field{position:relative;margin-bottom:12px}
.lg-ic{position:absolute;left:14px;top:50%;margin-top:-7px;width:14px;height:14px;color:#9aa3bd;pointer-events:none}
.lg-field input{display:block;width:100%;height:46px;padding:0 44px;border:0;border-radius:3px;background:var(--field);color:var(--navy);font-size:14px;text-align:left}
.lg-field input:focus{background:var(--field2);box-shadow:0 0 0 2px var(--teal);outline:0}
.lg-field input::placeholder{color:#8e98b5}
.lg-eye{position:absolute;right:6px;top:50%;margin-top:-17px;width:34px;height:34px;display:grid;place-items:center;border:0;background:none;color:#8e98b5;cursor:pointer}.lg-eye:hover{color:var(--navy)}
.lg-btn{display:block;width:100%;height:46px;margin-top:18px;border:0;border-radius:2px;background:var(--navy);color:#fff;font-size:14px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:background .2s}.lg-btn:hover,.lg-btn:focus-visible{background:var(--navy2)}
.lg-dom{margin:16px 0 4px;color:var(--mute);font-size:12px}
.lg-foot{text-align:center;color:#8a93ad;font-size:11px;margin:18px 0 0}
.alert{background:#fdecea;border-left:4px solid var(--red);padding:9px 12px;margin:0 0 14px;border-radius:3px;text-align:left;font-size:13px;color:#7a2823}

/* ---------- aplicacion ---------- */
body.app{overflow:hidden}
#shell{display:grid;grid-template-columns:240px 400px 1fr;height:100vh}
#rail{position:relative;overflow:hidden;background:linear-gradient(170deg,#26366a 0%,#212e5a 55%,#1b2748 100%);color:#fff;padding:20px 14px;display:flex;flex-direction:column;gap:14px}
.rail-vec{position:absolute;left:0;bottom:0;width:260%;max-width:none;opacity:.2;pointer-events:none}
#rail>*:not(.rail-vec){position:relative}
.brand{padding:0 4px 4px}.brand img{display:block;width:150px}.brand span{display:block;margin-top:6px;color:var(--sky);font-weight:600;font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.btn.compose{background:var(--orange);color:#fff;box-shadow:none;padding:11px;letter-spacing:.04em}.btn.compose:hover{background:#f2ab4b;color:#fff;box-shadow:none}
#folders{display:flex;flex-direction:column;gap:2px;overflow:auto}
#folders button{display:flex;justify-content:space-between;align-items:center;background:none;border:0;color:#cfd9f3;text-align:left;padding:9px 10px;border-radius:3px;cursor:pointer;font-weight:500}
#folders button:hover{background:rgba(255,255,255,.08)}
#folders .lab{display:flex;align-items:center;gap:10px}
#folders button.on{background:rgba(88,174,211,.28);color:#fff;box-shadow:inset 3px 0 0 var(--sky)}
#folders .n{background:var(--green);color:#1b2a5a;border-radius:10px;padding:0 8px;font-size:12px;font-weight:700}
.rail-foot{margin-top:auto;display:flex;flex-direction:column;gap:2px;border-top:1px solid rgba(255,255,255,.15);padding-top:12px}
.rail-foot .link{color:#b9c8ee;font-size:13px}.who{font-size:11px;color:#8fa3d6;word-break:break-all;margin:6px 0}
#list-pane{background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.titlebar{display:flex;align-items:center;gap:10px;padding:0 16px;height:56px;background:var(--sky);color:#fff;flex:none;flex-wrap:wrap}
.titlebar h1{margin:0;font-size:17px;font-weight:600}
.chip{background:rgba(255,255,255,.25);border-radius:10px;padding:1px 10px;font-size:12px;font-weight:600}
.titlebar.thin{height:auto;min-height:56px;padding:8px 14px;background:var(--bg);color:var(--navy);border-bottom:1px solid var(--line)}
.searchbar{position:relative;padding:10px 12px;border-bottom:1px solid var(--line)}
.searchbar svg{position:absolute;left:24px;top:50%;margin-top:-8px;color:#9aa3bd}
.searchbar input{width:100%;height:38px;padding:0 12px 0 36px;border:0;border-radius:3px;background:var(--field)}.searchbar input:focus{background:var(--field2);box-shadow:0 0 0 2px var(--teal);outline:0}
.icon.back{display:none;border:0;background:rgba(255,255,255,.2);color:inherit;border-radius:3px;padding:7px 9px;cursor:pointer}
.titlebar.thin .icon.back{background:var(--field);color:var(--navy)}
#list{flex:1;overflow:auto}
.row-msg{position:relative;display:block;width:100%;text-align:left;background:#fff;border:0;border-bottom:1px solid var(--line);padding:11px 16px 11px 22px;cursor:pointer}
.row-msg:hover{background:#f2f7fc}.row-msg.on{background:var(--field);box-shadow:inset 3px 0 0 var(--teal)}
.row-msg .l1{display:flex;justify-content:space-between;gap:8px}.row-msg .from{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--navy)}
.row-msg .date{color:var(--mute);font-size:12px;white-space:nowrap}.row-msg .subj{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--mute);font-size:13px}
.row-msg.unseen:before{content:"";position:absolute;left:8px;top:50%;margin-top:-4px;width:8px;height:8px;border-radius:50%;background:var(--green)}
.row-msg.unseen .from,.row-msg.unseen .subj{font-weight:700;color:var(--navy)}
.star{color:var(--orange)}
.pager{display:flex;justify-content:space-between;align-items:center;padding:8px 16px;border-top:1px solid var(--line);color:var(--mute);font-size:12px}
.pager .link:disabled{opacity:.35;cursor:default;text-decoration:none}
.none{padding:34px 16px;color:var(--mute);text-align:center}
#read-pane{display:flex;flex-direction:column;min-height:0;min-width:0;position:relative}
#empty{margin:auto;color:var(--mute);text-align:center}#empty img{width:260px;opacity:.55;filter:hue-rotate(0deg) saturate(.8)}#empty p{margin:4px 0 0}
#msg{display:flex;flex-direction:column;flex:1;min-height:0;background:#fff}
.mh{display:flex;gap:14px;padding:16px 20px 6px;align-items:flex-start}
.avatar{flex:none;width:46px;height:46px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700;font-size:18px}
#msg h2{margin:0 0 6px;color:var(--navy);font-size:19px;font-weight:600;line-height:1.3}
.meta{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;margin:0;font-size:13px}.meta dt{color:var(--mute)}.meta dd{margin:0;word-break:break-word}
.files{display:flex;flex-wrap:wrap;gap:8px;margin:6px 20px 8px}
.files a{display:inline-flex;align-items:center;gap:6px;border-radius:3px;padding:6px 12px;text-decoration:none;color:var(--navy);background:var(--field);font-size:13px}.files a:hover{background:var(--field2)}
.imgbar{margin:0 20px 8px;background:#fff6e5;border-left:4px solid var(--orange);padding:7px 12px;border-radius:3px;font-size:13px}.imgbar .link{display:inline}
#m-body{flex:1;border:0;border-top:1px solid var(--line);width:100%;background:#fff}
/* dialogos */
dialog{border:0;border-radius:4px;padding:0;width:min(640px,calc(100% - 24px));box-shadow:0 20px 60px rgba(0,0,0,.35);overflow:hidden;color:var(--text)}
dialog::backdrop{background:rgba(20,28,60,.6)}
.dh{background:var(--sky);color:#fff;padding:14px 22px}.dh h3{margin:0;font-size:17px;font-weight:600}
.db{padding:18px 22px 20px}.db h4{margin:18px 0 8px;color:var(--navy)}
dialog label{display:block;margin:0 0 12px;font-weight:600;font-size:12px;color:var(--navy)}
dialog input:not([type=file]),dialog textarea{display:block;width:100%;margin-top:4px;padding:10px 12px;border:0;border-radius:3px;font-weight:400;background:var(--field)}
dialog input:focus,dialog textarea:focus{background:var(--field2);box-shadow:0 0 0 2px var(--teal);outline:0}
.actions{display:flex;gap:8px;justify-content:flex-end;align-items:center;margin-top:6px;flex-wrap:wrap}.status{margin-right:auto;color:var(--mute);font-size:13px}.status.err{color:var(--red)}.status.ok{color:#2e8a48}
.wide-dlg table{width:100%;border-collapse:collapse;font-size:13px}.wide-dlg th{background:var(--navy);color:#fff;text-align:left;padding:7px 9px;font-weight:600}.wide-dlg td{padding:7px 9px;border-bottom:1px solid var(--line)}
.wide-dlg td button{margin-left:4px;padding:4px 9px;font-size:12px}
.row{display:flex;gap:8px;flex-wrap:wrap}.row input{flex:1;min-width:140px;margin:0!important}
@media(max-width:900px){
 .lg-brand{display:none}.lg-mobile-logo{display:block}
 #shell{grid-template-columns:1fr;position:relative}
 #rail{position:absolute;inset:0 auto 0 0;width:260px;z-index:5;transform:translateX(-100%);transition:transform .2s}
 #shell.menu #rail{transform:none}
 #read-pane{position:absolute;inset:0;background:#fff;transform:translateX(100%);transition:transform .2s;z-index:4}
 #shell.reading #read-pane{transform:none}
 .icon.back{display:inline-block}
}
@media(prefers-reduced-motion:reduce){#rail,#read-pane,.lg-btn{transition:none}}
.lg-mobile-logo[src*=webmail_t]{width:170px}