/* ============================================================
   Posta — webmail tasarım sistemi (light / dark)
   Kimlik: yumuşak, premium, sakin. Aksan: iris moru.
   ============================================================ */
:root{
  --bg:#f4f4f8; --surface:#ffffff; --surface-2:#f0f0f6; --elev:#ffffff;
  --line:#e8e8f0; --line-2:#dcdce8;
  --text:#1b1b2b; --muted:#6c6c82; --faint:#9a9ab2;
  --accent:#0266f6; --accent-weak:rgba(2,102,246,.10); --accent-strong:#0557d6; --on-accent:#fff;
  --danger:#e0455f; --danger-weak:rgba(224,69,95,.10);
  --ok:#1f9d6b; --ok-weak:rgba(31,157,107,.12);
  --unread:#0266f6;
  --shadow-sm:0 1px 2px rgba(20,20,55,.05);
  --shadow:0 2px 6px rgba(20,20,55,.05), 0 12px 30px rgba(20,20,55,.07);
  --radius:14px; --radius-sm:10px;
  --font:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'DM Mono',ui-monospace,'SF Mono',Menlo,monospace;
  --side-w:240px; --list-w:384px;
}
:root[data-theme="dark"]{
  --bg:#0e0e15; --surface:#16161e; --surface-2:#1d1c26; --elev:#22212d;
  --line:rgba(255,255,255,.07); --line-2:rgba(255,255,255,.12);
  --text:#ececf3; --muted:#a2a2b6; --faint:#6b6b82;
  --accent:#4d90ff; --accent-weak:rgba(77,144,255,.15); --accent-strong:#6ba3ff; --on-accent:#08101f;
  --danger:#ff6b7d; --danger-weak:rgba(255,107,125,.14);
  --ok:#4ecb96; --ok-weak:rgba(78,203,150,.15);
  --unread:#4d90ff;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3);
  --shadow:0 2px 8px rgba(0,0,0,.3), 0 16px 40px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:var(--bg); color:var(--text); font-family:var(--font);
  font-size:14px; line-height:1.5; -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.ic{width:20px;height:20px;flex:none}
::selection{background:var(--accent-weak)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;padding:11px 18px;border-radius:11px;border:1px solid transparent;
  cursor:pointer;transition:transform .06s ease, background .15s, box-shadow .15s, opacity .15s;line-height:1}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--on-accent);box-shadow:0 4px 14px -4px var(--accent)}
.btn-primary:hover{background:var(--accent-strong)}
.btn-primary[disabled]{opacity:.7;cursor:default}
.btn-block{width:100%}
.icon-btn{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;
  border:1px solid var(--line-2);background:var(--surface);color:var(--muted);cursor:pointer;
  transition:background .15s,color .15s,border-color .15s}
.icon-btn:hover{background:var(--surface-2);color:var(--text)}
.icon-danger:hover{background:var(--danger-weak);color:var(--danger);border-color:var(--danger)}

/* ---- alerts ---- */
.alert{border-radius:11px;padding:11px 14px;font-size:13.5px;font-weight:500;margin-bottom:16px}
.alert-err{background:var(--danger-weak);color:var(--danger)}
.alert-ok{background:var(--ok-weak);color:var(--ok)}

/* ---- fields ---- */
.field{display:block;margin-bottom:15px}
.field > span{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:7px}
.field input{width:100%;padding:12px 14px;border:1px solid var(--line-2);border-radius:11px;
  background:var(--surface);color:var(--text);font-size:14.5px;font-family:var(--font);
  transition:border-color .15s, box-shadow .15s}
.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-weak)}

/* ============================================================
   GİRİŞ
   ============================================================ */
.is-login{display:grid;place-items:center;min-height:100vh;padding:24px;position:relative;overflow:hidden}
.is-login::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(760px 460px at 12% -6%, var(--accent-weak), transparent 60%),
    radial-gradient(680px 460px at 108% 108%, var(--accent-weak), transparent 55%);}
:root[data-theme="dark"] .is-login{background:#0b0b12}
.login{width:100%;max-width:404px;position:relative;z-index:1}
.login-top{display:flex;justify-content:flex-end;gap:8px;margin-bottom:16px}
.chip-btn{display:inline-grid;place-items:center;min-width:38px;height:38px;padding:0 12px;border-radius:11px;
  border:1px solid var(--line-2);background:var(--surface);color:var(--muted);font-size:12.5px;font-weight:600;cursor:pointer}
.chip-btn:hover{color:var(--text)}
.chip-btn .ic{width:18px;height:18px}
.login-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:14px 32px 34px;
  box-shadow:var(--shadow);position:relative;overflow:hidden}
.login-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-strong))}
.login-logo{display:flex;justify-content:center;padding:26px 0 4px}
.login-logo img{height:38px;width:auto;max-width:100%;display:block}
:root[data-theme="dark"] .login-logo{background:#fff;border-radius:14px;padding:16px 20px;margin:8px 0 4px;
  box-shadow:0 6px 18px -8px rgba(0,0,0,.6)}
:root[data-theme="dark"] .login-logo img{height:34px}
.login-head{text-align:center;margin:18px 0 22px}
.login-head h1{font-size:21px;font-weight:700;margin:0 0 5px;letter-spacing:-.02em}
.login-head p{margin:0;color:var(--muted);font-size:13.5px}
.login-form{margin-top:2px}
.login-form .btn{margin-top:8px;padding:13px 18px;box-shadow:0 8px 20px -8px var(--accent)}
.login-foot{text-align:center;margin-top:20px;color:var(--faint);font-size:12px;letter-spacing:.02em}
.login-foot b{color:var(--muted);font-weight:600}

/* ============================================================
   UYGULAMA KABUĞU
   ============================================================ */
.shell{display:flex;min-height:100vh}
.side{width:var(--side-w);flex:none;background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:18px 14px;position:sticky;top:0;height:100vh}
.side-brand{display:flex;align-items:center;gap:11px;padding:6px 8px 20px}
.brand-mark{flex:none}
.side-brand .brand-mark{width:40px;height:40px;border-radius:12px}
.side-brand .brand-ic{width:21px;height:21px}
.brand-txt{min-width:0}
.brand-txt strong{display:block;font-size:15px;font-weight:700;letter-spacing:-.01em}
.brand-txt span{display:block;font-family:var(--mono);font-size:11px;color:var(--faint);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.side-nav{display:flex;flex-direction:column;gap:3px;margin-top:4px}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;
  color:var(--muted);font-size:14px;font-weight:600;transition:background .15s,color .15s}
.nav-item .ic{width:19px;height:19px;color:var(--faint);transition:color .15s}
.nav-item:hover{background:var(--surface-2);color:var(--text)}
.nav-item:hover .ic{color:var(--muted)}
.nav-item.is-active{background:var(--accent-weak);color:var(--accent)}
.nav-item.is-active .ic{color:var(--accent)}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:2px;padding-top:14px;border-top:1px solid var(--line)}
.foot-btn{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:11px;
  color:var(--muted);font-size:13px;font-weight:600;background:none;border:0;cursor:pointer;text-align:left;width:100%}
.foot-btn .ic{width:18px;height:18px;color:var(--faint)}
.foot-btn:hover{background:var(--surface-2);color:var(--text)}
.foot-out:hover{color:var(--danger)}
.foot-out:hover .ic{color:var(--danger)}
.ic-moon{display:none}
:root[data-theme="dark"] .ic-sun{display:none}
:root[data-theme="dark"] .ic-moon{display:inline-block}

/* ---- hesap değiştirici ---- */
.acct-switch{position:relative;margin-bottom:14px}
.acct-current{width:100%;display:flex;align-items:center;gap:10px;padding:8px;border-radius:14px;
  background:var(--surface-2);border:1px solid var(--line);cursor:pointer;text-align:left;transition:background .15s}
.acct-current:hover{background:var(--elev)}
.avatar-mark{width:36px;height:36px;border-radius:11px;background:var(--accent);color:var(--on-accent);font-size:15px}
.acct-cur-txt{min-width:0;flex:1}
.acct-cur-txt strong{display:block;font-size:12.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.acct-cur-txt span{display:block;font-family:var(--mono);font-size:10.5px;color:var(--faint);margin-top:1px}
.acct-chev{width:16px;height:16px;color:var(--faint);flex:none;transition:transform .18s}
.acct-switch.open .acct-chev{transform:rotate(180deg)}
.acct-menu{position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:30;background:var(--surface);
  border:1px solid var(--line-2);border-radius:14px;box-shadow:var(--shadow);padding:6px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .16s,transform .16s,visibility .16s}
.acct-switch.open .acct-menu{opacity:1;visibility:visible;transform:translateY(0)}
.acct-list{display:flex;flex-direction:column;gap:2px;max-height:280px;overflow-y:auto}
.acct-item{display:flex;align-items:center;gap:2px;border-radius:10px}
.acct-item.is-cur{background:var(--accent-weak)}
.acct-pick{flex:1;display:flex;align-items:center;gap:9px;padding:8px 9px;border-radius:10px;min-width:0}
.acct-pick:hover{background:var(--surface-2)}
.acct-item.is-cur .acct-pick:hover{background:transparent}
.avatar-sm{width:28px;height:28px;border-radius:9px;font-size:12px;flex:none}
.acct-mail{flex:1;font-size:12.5px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.acct-item.is-cur .acct-mail{font-weight:700;color:var(--accent)}
.acct-check{width:16px;height:16px;color:var(--accent);flex:none}
.acct-rm{margin:0 4px 0 0}
.acct-rm button{width:24px;height:24px;border-radius:7px;border:0;background:none;color:var(--faint);
  font-size:17px;line-height:1;cursor:pointer}
.acct-rm button:hover{background:var(--danger-weak);color:var(--danger)}
.acct-add{display:flex;align-items:center;gap:9px;padding:10px 9px;margin-top:4px;border-top:1px solid var(--line);
  border-radius:0 0 10px 10px;color:var(--accent);font-size:12.5px;font-weight:700}
.acct-add .ic{width:17px;height:17px}
.acct-add:hover{background:var(--accent-weak)}
.backlink{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13px;font-weight:600;margin-bottom:14px}
.backlink .ic{width:17px;height:17px}
.backlink:hover{color:var(--text)}

/* ---- main split ---- */
.main{flex:1;min-width:0;display:grid;grid-template-columns:var(--list-w) 1fr}
.main-single{display:block;padding:0}

/* ---- liste sütunu ---- */
.listcol{border-right:1px solid var(--line);display:flex;flex-direction:column;
  height:100vh;position:sticky;top:0;background:var(--bg)}
.listhead{display:flex;gap:10px;align-items:center;padding:16px 16px 12px}
.search{position:relative;flex:1;display:flex;align-items:center}
.search .ic{position:absolute;left:13px;color:var(--faint);width:18px;height:18px;pointer-events:none}
.search input{width:100%;padding:11px 12px 11px 40px;border:1px solid var(--line-2);border-radius:12px;
  background:var(--surface);color:var(--text);font-size:13.5px;font-family:var(--font)}
.search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-weak)}
.search-x{position:absolute;right:10px;color:var(--faint);font-size:20px;line-height:1;padding:2px 6px;border-radius:8px}
.search-x:hover{color:var(--text);background:var(--surface-2)}
.listmeta{display:flex;align-items:center;gap:7px;padding:2px 20px 10px;font-size:11.5px;
  font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}
.listmeta .dot{color:var(--line-2)}

.mlist{list-style:none;margin:0;padding:0 10px 12px;overflow-y:auto;flex:1}
.mrow{display:flex;align-items:flex-start;gap:12px;padding:12px;border-radius:14px;position:relative;
  transition:background .13s}
.mrow:hover{background:var(--surface-2)}
.mrow.is-open{background:var(--accent-weak)}
.avatar{width:38px;height:38px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:var(--surface-2);color:var(--muted);font-weight:700;font-size:15px}
.mrow.is-open .avatar{background:var(--accent);color:var(--on-accent)}
.mrow-main{min-width:0;flex:1}
.mrow-top{display:flex;align-items:baseline;gap:8px}
.mrow-from{font-weight:600;font-size:13.5px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.mrow-date{font-size:11.5px;color:var(--faint);font-family:var(--mono);flex:none}
.mrow-subj{display:block;font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}
.mrow.is-unread .mrow-from{color:var(--text)}
.mrow.is-unread .mrow-subj{color:var(--text);font-weight:500}
.unread-dot{position:absolute;left:4px;top:50%;transform:translateY(-50%);width:7px;height:7px;border-radius:50%;background:var(--unread)}

/* ---- pager ---- */
.pager{display:flex;align-items:center;justify-content:center;gap:14px;padding:12px}
.pg{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;border:1px solid var(--line-2);
  background:var(--surface);color:var(--muted)}
.pg .ic{width:17px;height:17px}
.pg:hover{background:var(--surface-2);color:var(--text)}
.pg.off{opacity:.4;pointer-events:none}
.ic-flip{transform:rotate(180deg)}
.pg-info{font-family:var(--mono);font-size:12px;color:var(--muted)}

/* ---- okuma sütunu ---- */
.readcol{min-width:0;height:100vh;overflow-y:auto}
.reader-empty,.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:8px;height:100%;padding:40px;color:var(--muted)}
.empty{height:auto;padding:60px 30px}
.empty-ic{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:var(--surface-2);color:var(--faint);margin-bottom:6px}
.empty-ic .ic{width:24px;height:24px}
.reader-empty strong,.empty strong{font-size:15px;font-weight:700;color:var(--text)}
.reader-empty span,.empty span{font-size:13px;color:var(--muted);max-width:280px}

.reader{max-width:820px;margin:0 auto;padding:22px 26px 60px}
.reader-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.reader-back{display:none}
.reader-subj{flex:1;font-size:20px;font-weight:700;letter-spacing:-.01em;margin:0;line-height:1.3;word-break:break-word}
.reader-del{margin:0}
.reader-meta{display:flex;align-items:center;gap:13px;padding-bottom:18px;margin-bottom:20px;border-bottom:1px solid var(--line)}
.avatar-lg{width:46px;height:46px;border-radius:14px;font-size:18px;background:var(--accent-weak);color:var(--accent)}
.reader-from{flex:1;min-width:0}
.rf-name{font-weight:700;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rf-mail{font-family:var(--mono);font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.reader-date{font-family:var(--mono);font-size:12.5px;color:var(--faint);flex:none}

/* ---- doğrulama kodu çipi ---- */
.codechip{display:flex;align-items:center;gap:14px;padding:14px 16px;margin-bottom:20px;
  border-radius:14px;background:var(--accent-weak);border:1px solid transparent}
.cc-label{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.cc-value{font-family:var(--mono);font-size:22px;font-weight:500;letter-spacing:.14em;color:var(--text);flex:1}
.cc-copy{display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:10px;
  background:var(--accent);color:var(--on-accent);border:0;font-weight:600;font-size:12.5px;cursor:pointer}
.cc-copy .ic{width:15px;height:15px}
.cc-copy:hover{background:var(--accent-strong)}

/* ---- ekler ---- */
.attachs{margin-bottom:22px}
.attachs-h{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:var(--muted);
  text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px}
.attachs-h .ic{width:15px;height:15px}
.attachs-list{display:flex;flex-wrap:wrap;gap:9px}
.attach{display:inline-flex;align-items:center;gap:9px;padding:9px 13px;border-radius:11px;
  border:1px solid var(--line-2);background:var(--surface);max-width:100%}
.attach:hover{border-color:var(--accent);background:var(--accent-weak)}
.attach .ic{width:17px;height:17px;color:var(--muted);flex:none}
.attach-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}
.attach-size{font-family:var(--mono);font-size:11px;color:var(--faint);flex:none}

/* ---- gövde ---- */
.reader-body{font-size:14.5px;line-height:1.65}
.mail-frame{width:100%;border:0;min-height:320px;background:#fff;border-radius:12px;display:block}
.remote-note{display:flex;align-items:center;gap:7px;margin-top:12px;font-size:12px;color:var(--faint)}
.remote-note .ic{width:14px;height:14px}
.mail-text{font-family:var(--font);white-space:pre-wrap;word-break:break-word;margin:0;font-size:14.5px;line-height:1.7}
.mail-empty{color:var(--faint)}

/* ============================================================
   AYARLAR
   ============================================================ */
.main-single{padding:0;overflow-y:auto;height:100vh}
.settings-wrap{max-width:560px;margin:0 auto;padding:30px 24px 60px}
.page-title{font-size:24px;font-weight:700;letter-spacing:-.02em;margin:0 0 22px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:18px;box-shadow:var(--shadow-sm)}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.card-head .ic{width:19px;height:19px;color:var(--accent)}
.card-head h2{font-size:16px;font-weight:700;margin:0}
.account-row{display:flex;align-items:center;gap:14px}
.form .btn{margin-top:6px}

/* ---- toast ---- */
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,16px);
  background:var(--text);color:var(--bg);font-size:13px;font-weight:600;padding:11px 18px;border-radius:12px;
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:80;box-shadow:var(--shadow)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){ :root{ --list-w:340px; } }
@media (max-width:840px){
  .main{grid-template-columns:1fr}
  .listcol{border-right:0}
  .readcol{display:none}
  .is-app.has-msg .listcol{display:none}
  .is-app.has-msg .readcol{display:block}
  .reader-back{display:inline-grid}
}
@media (max-width:640px){
  .side{width:100%;height:auto;position:static;flex-direction:row;flex-wrap:wrap;align-items:center;
    gap:6px;padding:10px 14px}
  .side-brand{padding:0;margin-right:auto}
  .side-brand .brand-mark{width:34px;height:34px;border-radius:10px}
  .brand-txt span{display:none}
  .side-nav{flex-direction:row;margin:0;order:3;width:100%}
  .nav-item{flex:1;justify-content:center}
  .side-foot{flex-direction:row;margin:0;padding:0;border:0;order:2}
  .foot-btn span{display:none}
  .foot-btn{padding:9px 11px}
  .listcol,.readcol,.main-single{height:auto}
  .shell{flex-direction:column}
  .reader{padding:18px 16px 50px}
}
@media (prefers-reduced-motion:reduce){ *{animation:none!important;transition:none!important} }

/* --- WebMail wordmark + arka plan muzik butonu --- */
.login-logo{padding:32px 0 4px}
:root[data-theme="dark"] .login-logo{background:none;padding:32px 0 4px;margin:0;box-shadow:none}
.wm-brand{display:inline-flex;align-items:center;gap:12px}
.wm-brand-ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:var(--on-accent);background:var(--accent);box-shadow:0 6px 16px -9px var(--accent)}
.wm-brand-ico svg{width:24px;height:24px}
.wm-brand-txt{font-family:"Plus Jakarta Sans",var(--font);font-size:34px;font-weight:800;letter-spacing:-.045em;line-height:1;color:var(--text)}
.wm-brand-txt span{color:var(--accent)}
.wm-audio-btn{position:fixed;right:18px;bottom:18px;z-index:40;display:inline-flex;align-items:center;gap:9px;height:42px;padding:0 15px 0 13px;border-radius:999px;border:1px solid var(--line-2);background:var(--surface);color:var(--text);cursor:pointer;box-shadow:var(--shadow-sm);transition:transform .12s,border-color .12s,box-shadow .12s}
.wm-audio-btn:hover{transform:translateY(-1px);border-color:var(--accent);box-shadow:var(--shadow)}
.wm-audio-btn svg{width:18px;height:18px;flex:none}
.wm-audio-btn .wm-ic-off{display:none}
.wm-audio-btn .wm-eq{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--accent-weak);animation:wmPulse 1.3s ease-in-out infinite;flex:none}
body.wm-muted .wm-audio-btn .wm-ic-on{display:none}
body.wm-muted .wm-audio-btn .wm-ic-off{display:inline-block}
body.wm-muted .wm-audio-btn .wm-eq{animation:none;background:var(--faint);box-shadow:none}
@keyframes wmPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
@media (prefers-reduced-motion:reduce){.wm-audio-btn .wm-eq{animation:none}}