/* ==========================================================================
   TempMail – public stylesheet (light / dark, RTL aware, fully responsive)
   ========================================================================== */
:root{
  --bg:#f5f6fb; --bg-soft:#eef0f8; --card:#ffffff; --text:#111827; --muted:#6b7280; --border:#e4e7ee;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px rgba(16,24,40,.06);
  --radius:16px; --radius-sm:10px;
  --ok:#16a34a; --warn:#d97706; --danger:#dc2626; --info:#2563eb;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Noto Sans Bengali","Noto Sans Devanagari","Noto Sans Arabic",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
[data-theme="dark"]{
  --bg:#0a0e1a; --bg-soft:#0f1526; --card:#121a2e; --text:#e8ecf5; --muted:#93a0b8; --border:#222d47;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.55;color:var(--text);background:var(--bg);min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}
main{flex:1}
img{max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
p{margin:0 0 1em}
.container{width:100%;max-width:1180px;margin-inline:auto;padding-inline:16px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.muted{color:var(--muted)}
.hidden{display:none!important}

/* ---- header ---------------------------------------------------------------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--card);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--border)}
@supports (background:color-mix(in srgb,red 50%,transparent)){.site-header{background:color-mix(in srgb,var(--card) 82%,transparent)}}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:1.2rem;text-decoration:none!important}
.logo-mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),rgba(var(--primary-rgb),.65));color:var(--on-primary);font-weight:800}
.logo-img{max-height:38px;width:auto;display:block}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:flex-end}
.main-nav>a{color:var(--text);padding:8px 12px;border-radius:999px;font-weight:600;font-size:.95rem}
.main-nav>a:hover{background:var(--bg-soft);text-decoration:none}
.nav-actions{display:flex;align-items:center;gap:8px;margin-inline-start:8px}
.icon-btn{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--card);color:var(--text);cursor:pointer}
.icon-btn:hover{background:var(--bg-soft)}
.icon-btn.nav-toggle{display:none}
.i-sun{display:none}
[data-theme="dark"] .i-sun{display:block}
[data-theme="dark"] .i-moon{display:none}

/* dropdown */
.dd{position:relative}
.dd>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 12px;border:1px solid var(--border);border-radius:10px;background:var(--card);font-weight:600;font-size:.9rem;user-select:none}
.dd>summary::-webkit-details-marker{display:none}
.dd>ul{position:absolute;inset-inline-end:0;top:calc(100% + 6px);min-width:170px;margin:0;padding:6px;list-style:none;background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);z-index:70}
.dd>ul a{display:block;padding:8px 12px;border-radius:8px;color:var(--text)}
.dd>ul a:hover{background:var(--bg-soft);text-decoration:none}
.dd>ul a.active{background:rgba(var(--primary-rgb),.12);color:var(--primary);font-weight:700}

/* ---- buttons / forms ---------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:12px;border:1px solid transparent;font:inherit;font-weight:700;cursor:pointer;transition:transform .08s,box-shadow .15s,background .15s;text-decoration:none!important;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:var(--on-primary);box-shadow:0 6px 16px rgba(var(--primary-rgb),.3)}
.btn-primary:hover{filter:brightness(1.07)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{background:var(--bg-soft)}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{height:36px;padding:0 14px;font-size:.9rem;border-radius:10px}
.btn-lg{height:52px;padding:0 28px;font-size:1.05rem}
.btn[disabled]{opacity:.6;cursor:not-allowed}
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.input,select.input,textarea.input{width:100%;height:46px;padding:0 14px;border:1px solid var(--border);border-radius:12px;background:var(--card);color:var(--text);font:inherit;outline:none;transition:border-color .15s,box-shadow .15s}
textarea.input{height:auto;padding:12px 14px;min-height:96px;line-height:1.5}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(var(--primary-rgb),.15)}
.field{margin-bottom:16px}
.help{font-size:.85rem;color:var(--muted);margin-top:4px}
.alert{padding:12px 16px;border-radius:12px;margin:16px 0;border:1px solid;font-weight:500}
.alert-ok{background:rgba(22,163,74,.1);border-color:rgba(22,163,74,.35);color:var(--ok)}
.alert-error{background:rgba(220,38,38,.08);border-color:rgba(220,38,38,.35);color:var(--danger)}
.alert-info{background:rgba(37,99,235,.08);border-color:rgba(37,99,235,.3);color:var(--info)}

/* ---- hero ----------------------------------------------------------------------- */
.hero{position:relative;overflow:hidden;padding:56px 0 72px;text-align:center}
.hero::before{content:"";position:absolute;inset:-40% -10% auto -10%;height:120%;background:radial-gradient(60% 60% at 50% 0%,rgba(var(--primary-rgb),.22),transparent 70%),radial-gradient(40% 40% at 90% 20%,rgba(var(--primary-rgb),.12),transparent 70%);pointer-events:none}
.hero .container{position:relative}
.hero h1{font-size:clamp(1.9rem,4.5vw,3.2rem);font-weight:900;margin-bottom:.35em}
.hero p.lead{max-width:640px;margin:0 auto 28px;color:var(--muted);font-size:1.1rem}
.builder{max-width:780px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:22px;padding:10px;box-shadow:var(--shadow);display:grid;grid-template-columns:minmax(0,1.2fr) auto minmax(0,1fr) auto auto;align-items:center;gap:8px}
.builder .input{border:0;height:52px;background:var(--bg-soft);border-radius:14px}
.builder .at{font-weight:800;color:var(--muted);font-size:1.2rem}
.builder .btn{height:52px}
.builder-error{max-width:780px;margin:12px auto 0;color:var(--danger);font-weight:600;min-height:1.4em}
.dice{width:52px;padding:0}

/* ---- address bar ------------------------------------------------------------------ */
.app-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start;margin-top:-36px;position:relative}
.app-wrap.no-side{grid-template-columns:minmax(0,1fr)}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.addr-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:16px 18px;margin-bottom:18px}
.addr-bar .lbl{font-size:.8rem;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.04em;display:block}
.addr-text{font-family:var(--mono);font-size:clamp(1.05rem,2.6vw,1.45rem);font-weight:700;overflow-wrap:anywhere}
.addr-info{flex:1 1 100%;min-width:0}
.addr-actions{display:flex;flex-wrap:wrap;gap:8px}
.countdown{font-size:.8rem;color:var(--muted);display:flex;align-items:center;gap:6px;margin-top:2px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(22,163,74,.6);animation:pulse 1.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}

/* ---- inbox ------------------------------------------------------------------------------- */
.inbox-card{display:grid;grid-template-columns:minmax(260px,38%) minmax(0,1fr);min-height:560px;overflow:hidden}
.inbox-list{border-inline-end:1px solid var(--border);display:flex;flex-direction:column;min-width:0}
.inbox-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);font-weight:800}
.badge{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 7px;border-radius:999px;background:var(--primary);color:var(--on-primary);font-size:.75rem;font-weight:800}
.msg-list{list-style:none;margin:0;padding:0;overflow-y:auto;max-height:620px;flex:1}
.msg-item{display:block;width:100%;text-align:start;border:0;border-bottom:1px solid var(--border);background:transparent;padding:14px 16px;cursor:pointer;color:inherit;font:inherit;position:relative}
.msg-item:hover{background:var(--bg-soft)}
.msg-item.active{background:rgba(var(--primary-rgb),.1)}
.msg-item.unread::before{content:"";position:absolute;inset-inline-start:6px;top:50%;width:7px;height:7px;margin-top:-3.5px;border-radius:50%;background:var(--primary)}
.msg-item.unread .m-from,.msg-item.unread .m-subj{font-weight:800}
.msg-item .m-top{display:flex;justify-content:space-between;gap:8px}
.m-from{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.m-time{color:var(--muted);font-size:.78rem;white-space:nowrap}
.m-subj{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.m-prev{color:var(--muted);font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.msg-item.fresh{animation:fresh 1.6s ease-out}
@keyframes fresh{from{background:rgba(var(--primary-rgb),.28)}to{background:transparent}}
.empty{display:grid;place-items:center;text-align:center;padding:40px 24px;color:var(--muted);flex:1}
.empty svg{opacity:.5;margin-bottom:12px}
.empty strong{display:block;color:var(--text);margin-bottom:4px;font-size:1.05rem}
.spinner{width:34px;height:34px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 14px}
@keyframes spin{to{transform:rotate(360deg)}}

.viewer{display:flex;flex-direction:column;min-width:0;background:var(--card)}
.viewer-empty{display:grid;place-items:center;flex:1;color:var(--muted);text-align:center;padding:24px}
.viewer-head{padding:16px 18px;border-bottom:1px solid var(--border)}
.viewer-head h3{font-size:1.15rem;margin:0 0 8px;word-break:break-word}
.viewer-meta{font-size:.88rem;color:var(--muted);display:grid;gap:2px;word-break:break-all}
.viewer-meta b{color:var(--text);font-weight:600}
.viewer-bar{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;align-items:center}
.seg{display:inline-flex;border:1px solid var(--border);border-radius:10px;overflow:hidden}
.seg button{border:0;background:transparent;color:var(--text);padding:6px 12px;font:inherit;font-weight:600;font-size:.85rem;cursor:pointer}
.seg button.on{background:var(--primary);color:var(--on-primary)}
.viewer-body{flex:1;min-height:320px;display:flex;flex-direction:column}
.viewer-body iframe{width:100%;flex:1;min-height:420px;border:0;background:#fff}
.viewer-text{white-space:pre-wrap;word-break:break-word;padding:18px;font-family:var(--font);margin:0;overflow:auto;flex:1}
.notice{font-size:.82rem;padding:8px 14px;background:var(--bg-soft);color:var(--muted);border-bottom:1px solid var(--border)}
.att-list{padding:12px 18px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.att{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:.9rem}
.att small{color:var(--muted)}
.viewer-back{display:none}

/* ---- ads ------------------------------------------------------------------------------------ */
.ad-slot{position:relative;margin:18px auto;text-align:center;max-width:100%;overflow:hidden}
.ad-label{position:absolute;top:2px;inset-inline-end:6px;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);opacity:.7;z-index:1;pointer-events:none}
.ad-slot img{display:block;margin:0 auto;border-radius:10px}
.ad-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:2px dashed var(--border);border-radius:14px;background:var(--bg-soft);color:var(--muted);padding:18px;min-height:90px}
.ad-placeholder strong{color:var(--text)}
.ad-top,.ad-inbox,.ad-bottom{max-width:970px}
.ad-top .ad-placeholder,.ad-inbox .ad-placeholder{min-height:90px}
.ad-bottom .ad-placeholder{min-height:90px}
.ad-side .ad-placeholder{min-height:250px}
.ad-side{margin-top:0}
.side-col{display:grid;gap:18px}
.side-card{padding:18px}
.side-card h3{font-size:1rem;margin-bottom:.6em}
.side-card ul{margin:0;padding-inline-start:18px;color:var(--muted);font-size:.92rem}
.side-card li{margin-bottom:6px}

/* ---- sections ------------------------------------------------------------------------------------ */
.section{padding:56px 0}
.section h2{text-align:center;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:900;margin-bottom:28px}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.feat{padding:22px}
.feat .ico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(var(--primary-rgb),.12);color:var(--primary);margin-bottom:14px}
.feat h3{font-size:1.1rem}
.feat p{margin:0;color:var(--muted);font-size:.95rem}
.steps{counter-reset:s}
.step{padding:22px;position:relative}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--primary);color:var(--on-primary);font-weight:800;margin-bottom:12px}
.step h3{font-size:1.1rem}.step p{margin:0;color:var(--muted)}
.faq{max-width:820px;margin:0 auto;display:grid;gap:10px}
.faq details{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:0 18px}
.faq summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--primary)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);padding-bottom:16px;margin:0}

/* ---- footer ---------------------------------------------------------------------------------------- */
.site-footer{border-top:1px solid var(--border);background:var(--card);margin-top:40px}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;padding-block:32px}
.footer-brand p{color:var(--muted);margin:8px 0 0;max-width:360px}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 22px;align-content:flex-start}
.footer-links a{color:var(--text);font-weight:600}
.footer-bottom{padding-block:18px;border-top:1px solid var(--border);color:var(--muted);font-size:.9rem}

/* ---- auth / dashboard / content pages ---------------------------------------------------------------- */
.auth-wrap{max-width:440px;margin:56px auto}
.auth-card{padding:32px}
.auth-card h1{font-size:1.6rem}
.auth-alt{text-align:center;margin-top:18px;color:var(--muted)}
.page-wrap{max-width:860px;margin:44px auto;padding:32px}
.page-wrap h1{font-size:2rem}
.prose{overflow-wrap:anywhere}
.prose h2{margin-top:1.4em;font-size:1.4rem;text-align:start}
.prose img{border-radius:10px}
.prose pre,.prose code{font-family:var(--mono)}
.dash{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:24px;margin:36px 0}
.dash .card{padding:22px}
.dash h2{font-size:1.2rem;text-align:start;margin-bottom:14px}
.addr-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}
.addr-row:last-child{border-bottom:0}
.addr-row code{font-family:var(--mono);word-break:break-all}
.keybox{font-family:var(--mono);background:var(--bg-soft);border:1px dashed var(--border);border-radius:10px;padding:10px 12px;word-break:break-all;margin-bottom:10px;font-size:.9rem}
pre.code{background:#0b1020;color:#e6edf7;padding:16px;border-radius:12px;overflow:auto;font-family:var(--mono);font-size:.88rem;line-height:1.5;margin:0 0 16px}
.endpoint{display:flex;gap:10px;align-items:center;margin:22px 0 8px;flex-wrap:wrap}
.method{display:inline-block;padding:2px 10px;border-radius:6px;font-weight:800;font-size:.8rem;color:#fff;background:var(--info)}
.method.del{background:var(--danger)}.method.post{background:var(--ok)}

/* ---- toast ------------------------------------------------------------------------------------------------ */
.toast{position:fixed;inset-inline:16px;bottom:20px;margin-inline:auto;max-width:360px;background:#111827;color:#fff;padding:12px 16px;border-radius:12px;box-shadow:0 12px 30px rgba(0,0,0,.3);z-index:200;display:none;text-align:center;font-weight:600}
.toast.show{display:block;animation:rise .25s ease-out}
@keyframes rise{from{transform:translateY(12px);opacity:0}}

/* ---- responsive ---------------------------------------------------------------------------------------------- */
@media (max-width:1000px){
  .app-wrap{grid-template-columns:minmax(0,1fr)}
  .side-col{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dash{grid-template-columns:1fr}
}
@media (max-width:820px){
  .icon-btn.nav-toggle{display:inline-grid}
  .main-nav{position:absolute;inset-inline:0;top:100%;flex-direction:column;align-items:stretch;gap:4px;background:var(--card);border-bottom:1px solid var(--border);padding:12px 16px 16px;display:none;box-shadow:var(--shadow)}
  .main-nav.open{display:flex}
  .nav-actions{flex-wrap:wrap;margin:8px 0 0}
  .header-inner{position:relative}
  .dd>ul{inset-inline-end:auto;inset-inline-start:0}
}
@media (max-width:760px){
  .builder{grid-template-columns:1fr 1fr;border-radius:20px}
  .builder .at{display:none}
  .builder #username,.builder #domain{grid-column:1/-1}
  .builder #btnGet{grid-column:1/2}
  .builder .dice{width:100%;grid-column:2/3}
  .hero{padding:36px 0 60px}
  .inbox-card{grid-template-columns:1fr;min-height:420px}
  .inbox-list{border-inline-end:0}
  .viewer{position:fixed;inset:0;z-index:120;transform:translateX(100%);transition:transform .25s ease;overflow:auto}
  [dir="rtl"] .viewer{transform:translateX(-100%)}
  .viewer.open{transform:none}
  .viewer-back{display:inline-flex}
  .viewer-empty{display:none}
  .grid-3{grid-template-columns:1fr}
  .section{padding:40px 0}
  .page-wrap{padding:20px;margin:24px 12px}
  body.viewer-open{overflow:hidden}
}
@media (max-width:420px){
  .addr-actions .btn span.t{display:none}
  .addr-actions .btn{padding:0 12px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}