/*
Theme Name: প্রবাচ (Probach)
Theme URI: https://probach.com
Author: Probach
Description: প্রমিত বাংলা চর্চা — প্রাণের বাংলা ভাষাকে শুদ্ধভাবে জানতে। Landing page with a free Bengali spell checker, spelling quiz, word of the day, premium waitlist, and admin screens for the word list, grammar rules, waitlist and prices.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: probach
*/
:root{
  --bg:#EAF0EC; --surface:#FBFDFB; --ink:#123B2C; --muted:#4F6B60; --line:#C9D8CF; --rule:#A9CBE0;
  --pen:#C4142B; --pen-soft:#FBE3E6; --fix:#1D7A4C; --fix-soft:#DDF1E5; --gold:#B87A00; --btn-ink:#fff;
  color-scheme:light; box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0F1D18; --surface:#16281F; --ink:#E4EFE8; --muted:#9DB5A9; --line:#2C4438; --rule:#2D4A5C;
    --pen:#FF6B7D; --pen-soft:#3A1E24; --fix:#6DD39D; --fix-soft:#173826; --gold:#F2C14E; --btn-ink:#0F1D18;
    color-scheme:dark;
  }
}
*,*::before,*::after{box-sizing:inherit}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hind Siliguri","Noto Sans Bengali",system-ui,sans-serif;font-size:17px;line-height:1.6}
:focus-visible{outline:2px solid var(--pen);outline-offset:2px}
.hidden{display:none!important}
a{color:inherit}

/* Header */
.site{max-width:1120px;margin:0 auto;padding:18px 20px;display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.logo{font-family:"Tiro Bangla","Noto Serif Bengali",serif;font-size:2rem;color:var(--ink);text-decoration:none;line-height:1}
.logo .mark{color:var(--pen);text-decoration:line-through;text-decoration-thickness:2px;font-size:.5em;vertical-align:.9em;margin-left:.15em}
.links{display:flex;gap:22px;margin-right:auto}
.links a{color:var(--muted);text-decoration:none}
.links a:hover{color:var(--ink)}
@media (max-width:640px){.links{display:none}.site .small{margin-left:auto}}

/* Buttons */
.primary,.ghost,.small{font:inherit;cursor:pointer;display:inline-block;text-decoration:none;text-align:center}
.primary{font-weight:600;background:var(--ink);color:var(--btn-ink);border:0;border-radius:8px;padding:10px 20px}
.primary:disabled{opacity:.55;cursor:default}
.ghost{background:none;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:9px 16px}
.small{font-size:.92rem;background:none;color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:5px 12px;white-space:nowrap}
.small.up{background:var(--pen);border-color:var(--pen);color:#fff;font-weight:600}
.big{padding:13px 24px;font-size:1.05rem}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px}
.status{color:var(--muted);font-size:.95rem}

/* Hero */
.hero{max-width:1120px;margin:0 auto;padding:36px 20px 72px;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-family:"Tiro Bangla","Noto Serif Bengali",serif;font-weight:400;font-size:clamp(2.3rem,5.6vw,3.9rem);line-height:1.2;margin:0;max-width:14ch}
.hero-copy > p{font-size:1.12rem;color:var(--muted);max-width:44ch;margin:18px 0 0}
.hero .row{margin-top:28px}
@media (max-width:860px){.hero{grid-template-columns:1fr;gap:40px;padding-top:12px}}
.khata{position:relative;margin:0 16px 16px 0;background:var(--surface);border:1px solid var(--line);border-radius:4px 16px 16px 4px;padding:30px 26px 22px 66px;font-family:"Noto Serif Bengali",serif;font-size:clamp(1.02rem,2.3vw,1.28rem);box-shadow:8px 8px 0 -1px var(--surface),8px 8px 0 0 var(--line),16px 16px 0 -1px var(--surface),16px 16px 0 0 var(--line);transform:rotate(-1.2deg)}
.khata::before{content:"";position:absolute;top:0;bottom:0;left:44px;width:5px;border-left:1.5px solid var(--pen);border-right:1.5px solid var(--pen);opacity:.5}
.khata .lines{line-height:2.9em;background-image:linear-gradient(transparent calc(2.9em - 1px),var(--rule) calc(2.9em - 1px));background-size:100% 2.9em}
.khata .lines p{margin:0}
.k-err{position:relative;display:inline-block}
.k-err::after{content:"";position:absolute;left:-3px;right:-3px;top:55%;height:2.2px;border-radius:2px;background:var(--pen);transform:scaleX(0);transform-origin:left center;animation:strike .38s ease-out forwards;animation-delay:calc(.9s + var(--d) * .75s)}
.k-fix{position:absolute;left:0;bottom:62%;font-family:"Tiro Bangla",serif;color:var(--pen);font-size:.8em;line-height:1;white-space:nowrap;opacity:0;transform:translateY(6px) rotate(-4deg);animation:write .45s ease-out forwards;animation-delay:calc(1.25s + var(--d) * .75s)}
@keyframes strike{to{transform:scaleX(1)}}
@keyframes write{to{opacity:1;transform:translateY(0) rotate(-4deg)}}
.khata figcaption{margin-top:12px;font-family:"Hind Siliguri",sans-serif;font-size:.92rem;font-weight:600;color:var(--fix);opacity:0;animation:fadein .4s ease-out 4.3s forwards}
@keyframes fadein{to{opacity:1}}
@media (prefers-reduced-motion:reduce){.k-err::after{animation:none;transform:scaleX(1)}.k-fix{animation:none;opacity:1;transform:rotate(-4deg)}.khata figcaption{animation:none;opacity:1}}

/* Checker */
.app{max-width:840px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px clamp(16px,4vw,34px) 36px}
.app h2,.band > h2{font-family:"Tiro Bangla","Noto Serif Bengali",serif;font-weight:400;margin:0}
.app h2{font-size:clamp(1.6rem,4vw,2rem)}
.app .note{color:var(--muted);margin:4px 0 16px;font-size:.95rem}
textarea{width:100%;min-height:190px;resize:vertical;font-family:"Noto Serif Bengali",serif;font-size:1.08rem;line-height:1.9;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:14px 16px}
.wc{text-align:right;font-size:.85rem;color:var(--muted);margin-top:4px}
.result{margin-top:26px}
.result h3{font-family:"Tiro Bangla",serif;font-weight:400;font-size:1.4rem;margin:0 0 10px}
.page{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:20px 18px;font-family:"Noto Serif Bengali",serif;font-size:1.08rem;line-height:2.6;white-space:pre-wrap;word-break:break-word}
.err{position:relative;color:var(--pen);text-decoration:line-through;text-decoration-thickness:2px}
.err .sug{position:absolute;left:0;bottom:1.15em;white-space:nowrap;font-family:"Hind Siliguri",sans-serif;font-size:.78rem;line-height:1.2;color:var(--fix);font-weight:600;text-decoration:none}
ul.list{list-style:none;padding:0;margin:18px 0 0}
ul.list li{display:flex;gap:12px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:12px 0}
.pair{font-family:"Noto Serif Bengali",serif}
.pair del{color:var(--pen);text-decoration-thickness:2px}
.pair ins{color:var(--fix);text-decoration:none;font-weight:600}
.soon{margin-top:22px;padding:14px 16px;border:2px dashed var(--line);border-radius:12px;color:var(--muted);font-size:.95rem}
.soon a{color:var(--ink);font-weight:600}

/* Sections */
.band{max-width:1120px;margin:0 auto;padding:88px 20px 0}
.band > h2{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.25;margin-bottom:8px;max-width:22ch}
.band > .sub{color:var(--muted);margin:0 0 30px;max-width:52ch}
.does-row{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;padding:28px 0;border-top:1px solid var(--line)}
.does-row h3{font-size:1.3rem;font-weight:600;margin:0 0 6px}
.does-row p{margin:0;color:var(--muted);max-width:42ch}
.tag{display:inline-block;font-size:.8rem;font-weight:600;border-radius:20px;padding:1px 10px;margin-left:6px;vertical-align:middle}
.tag.now{background:var(--fix-soft);color:var(--fix)}
.tag.later{background:var(--pen-soft);color:var(--pen)}
.slip{font-family:"Noto Serif Bengali",serif;font-size:1.1rem;line-height:2;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--pen);border-radius:4px 12px 12px 4px;padding:14px 20px}
.slip del{color:var(--pen);text-decoration-thickness:2px}
.slip ins{display:block;color:var(--fix);font-weight:600;text-decoration:none}
@media (max-width:720px){.does-row{grid-template-columns:1fr;gap:14px}}
.steps{list-style:none;padding:0;margin:8px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:32px;counter-reset:s}
.steps li{counter-increment:s}
.steps li::before{content:counter(s,bengali);display:block;font-family:"Tiro Bangla",serif;font-size:2.8rem;line-height:1;color:var(--pen);margin-bottom:10px}
.steps b{display:block;font-size:1.12rem;margin-bottom:4px}
.steps span{color:var(--muted)}
@media (max-width:720px){.steps{grid-template-columns:1fr;gap:22px}}

/* Pricing + waitlist */
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 20px}
.chip{font:inherit;font-size:.92rem;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:20px;padding:5px 15px;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--btn-ink);border-color:var(--ink)}
.plans{display:grid;grid-template-columns:1fr 1.15fr;gap:20px;max-width:840px}
.plan{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px}
.plan.pro{border:2px solid var(--gold)}
.plan h3{margin:0;font-size:1.2rem}
.plan .amount{font-family:"Tiro Bangla",serif;font-size:2.7rem;line-height:1.2;margin:10px 0 2px}
.plan .amount small{font-family:"Hind Siliguri",sans-serif;font-size:1rem;color:var(--muted)}
.plan .yr{margin:0;color:var(--muted);font-size:.93rem}
.plan ul{padding-left:20px;margin:16px 0 22px;flex:1}
.plan li{margin:5px 0}
.plan .big{width:100%}
@media (max-width:720px){.plans{grid-template-columns:1fr}}
.waitlist{max-width:840px;background:var(--ink);color:var(--btn-ink);border-radius:20px;padding:32px clamp(18px,4vw,36px)}
.waitlist h2{font-family:"Tiro Bangla",serif;font-weight:400;font-size:clamp(1.6rem,4vw,2.2rem);margin:0 0 6px}
.waitlist p{margin:0 0 18px;opacity:.85;max-width:52ch}
.waitlist form{display:grid;grid-template-columns:1.4fr 1fr auto;gap:10px;align-items:end}
.waitlist label{display:flex;flex-direction:column;gap:4px;font-size:.88rem;opacity:.9}
.waitlist input,.waitlist select{font:inherit;padding:10px 12px;border-radius:8px;border:0;background:var(--surface);color:var(--ink);min-width:0}
.waitlist button{font:inherit;font-weight:600;background:var(--pen);color:#fff;border:0;border-radius:8px;padding:11px 20px;cursor:pointer}
.waitlist .msg{margin-top:12px;font-weight:600}
@media (max-width:640px){.waitlist form{grid-template-columns:1fr}}

/* FAQ + footer */
.faq details{max-width:760px;border-top:1px solid var(--line);padding:16px 0}
.faq summary{display:flex;justify-content:space-between;gap:12px;cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--pen);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:8px 0 0;color:var(--muted);max-width:60ch}
.site-foot{max-width:1120px;margin:96px auto 0;padding:28px 20px 40px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;color:var(--muted);font-size:.92rem}
.site-foot .logo{font-size:1.5rem}
.share a{cursor:pointer;color:var(--ink);font-weight:600}

/* Hero trust strip */
.trust{list-style:none;padding:0;margin:30px 0 0;display:flex;flex-wrap:wrap;gap:12px 28px}
.trust li{display:flex;align-items:center;gap:8px}
.trust b{font-family:"Tiro Bangla",serif;font-weight:400;font-size:1.6rem;color:var(--pen);line-height:1}
.trust span{color:var(--muted);font-size:.93rem}

/* Checker extras */
.meter{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px 16px;font-size:.85rem;color:var(--muted);margin-top:6px}
.meter b{color:var(--ink);font-weight:600}
.score{display:flex;align-items:center;gap:14px;background:var(--fix-soft);border-radius:12px;padding:12px 16px;margin-bottom:18px}
.score.bad{background:var(--pen-soft)}
.score b{font-family:"Tiro Bangla",serif;font-weight:400;font-size:2.2rem;line-height:1;color:var(--fix)}
.score.bad b{color:var(--pen)}
.score span{font-size:.95rem}
.score small{display:block;color:var(--muted)}

/* Word of the day + quiz */
.duo{display:grid;grid-template-columns:.85fr 1.15fr;gap:20px;align-items:stretch}
@media (max-width:820px){.duo{grid-template-columns:1fr}}
.eyebrow{margin:0 0 8px;font-size:.85rem;font-weight:600;letter-spacing:.02em;color:var(--pen)}
.wotd{background:var(--ink);color:var(--btn-ink);border-radius:20px;padding:28px;display:flex;flex-direction:column}
.wotd .eyebrow{color:var(--gold)}
.wotd-pair{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;font-family:"Tiro Bangla",serif;font-size:clamp(2rem,5vw,2.8rem);line-height:1.3;margin:6px 0 10px}
.wotd-pair del{opacity:.6;text-decoration-color:var(--pen);text-decoration-thickness:3px}
.wotd-pair ins{text-decoration:none;color:var(--gold)}
.wotd-pair span{opacity:.5;font-size:.6em}
.wotd-tip{margin:0 0 18px;opacity:.85;flex:1}
.wotd .small{align-self:flex-start;color:var(--btn-ink);border-color:rgba(255,255,255,.35)}
.quiz{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px}
.quiz h2{font-family:"Tiro Bangla",serif;font-weight:400;font-size:clamp(1.5rem,3.6vw,2rem);line-height:1.25;margin:0 0 16px}
.qprog{display:flex;gap:6px;margin-bottom:16px}
.qprog i{flex:1;height:6px;border-radius:3px;background:var(--line)}
.qprog i.ok{background:var(--fix)}.qprog i.no{background:var(--pen)}.qprog i.now{background:var(--ink)}
.qask{margin:0 0 12px;color:var(--muted)}
.qopts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.qopt{font-family:"Noto Serif Bengali",serif;font-size:1.25rem;background:var(--bg);color:var(--ink);border:2px solid var(--line);border-radius:12px;padding:16px 10px;cursor:pointer;transition:transform .15s}
.qopt:hover:not(:disabled){transform:translateY(-2px);border-color:var(--ink)}
.qopt:disabled{cursor:default}
.qopt.right{border-color:var(--fix);background:var(--fix-soft);color:var(--fix);font-weight:600}
.qopt.wrong{border-color:var(--pen);background:var(--pen-soft);color:var(--pen);text-decoration:line-through}
.qfeed{min-height:1.6em;margin:12px 0 0;font-weight:600}
.qend{text-align:center}
.qend b{display:block;font-family:"Tiro Bangla",serif;font-weight:400;font-size:3.4rem;line-height:1.1;color:var(--pen)}
.qend p{margin:4px 0 16px}
.qend .row{justify-content:center}
@media (prefers-reduced-motion:reduce){.qopt{transition:none}.qopt:hover:not(:disabled){transform:none}}

/* Common mistakes */
.mix{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:900px){.mix{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.mix{grid-template-columns:1fr}}
.mix-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.mix-card b{display:block;font-family:"Tiro Bangla",serif;font-weight:400;font-size:1.9rem;line-height:1.2;color:var(--pen)}
.mix-card p{margin:6px 0 10px;color:var(--muted);font-size:.95rem}
.mix-card span{font-family:"Noto Serif Bengali",serif}
.mix-card del{color:var(--pen);text-decoration-thickness:2px}
.mix-card ins{color:var(--fix);font-weight:600;text-decoration:none}

/* Who it's for */
.who{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}
@media (max-width:900px){.who{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.who{grid-template-columns:1fr}}
.who > div{border-top:3px solid var(--pen);padding-top:14px}
.who .ico{font-size:1.8rem}
.who h3{margin:6px 0 4px;font-size:1.15rem}
.who p{margin:0;color:var(--muted);font-size:.95rem}

.logo small{display:block;font-family:"Hind Siliguri",sans-serif;font-size:.36em;letter-spacing:.02em;color:var(--muted);margin-top:4px}
.site-foot .logo small{display:none}
.hero-copy > .hero-tag{margin:0 0 14px;font-weight:600;color:var(--pen);font-size:1.05rem;max-width:none}

/* WordPress pages (blog posts, privacy page, etc.) */
.wp-page{max-width:760px;margin:0 auto;padding:24px 20px 40px}
.wp-page h1{font-family:"Tiro Bangla","Noto Serif Bengali",serif;font-weight:400;font-size:clamp(2rem,5vw,2.8rem);line-height:1.25;margin:0 0 16px}
.wp-page .entry{line-height:1.8}
.wp-page .entry a{color:var(--pen)}
.wp-page img{max-width:100%;height:auto}
.post-list{list-style:none;padding:0}
.post-list li{border-top:1px solid var(--line);padding:16px 0}
.post-list a{color:var(--ink);font-weight:600;text-decoration:none;font-size:1.15rem}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px)}
.links li{list-style:none;margin:0}
.links .current-menu-item a{color:var(--ink)}

/* Accounts */
.acct-links{display:flex;gap:8px;align-items:center}
@media (max-width:640px){.acct-links{margin-left:auto}}
.acct-hint{margin:6px 0 0;font-size:.92rem;color:var(--muted)}
.acct-hint a{color:var(--ink);font-weight:600}
.flash{max-width:840px;margin:0 auto 18px;background:var(--fix-soft);color:var(--fix);font-weight:600;border-radius:10px;padding:10px 16px;text-align:center}
.wp-page.auth{max-width:720px}
.auth-card{max-width:440px;margin:12px auto 0;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px clamp(18px,4vw,30px)}
.auth-card h1{font-size:clamp(1.8rem,5vw,2.3rem);margin:0 0 4px}
.auth .sub{color:var(--muted);margin:0 0 18px}
.auth .f{display:flex;flex-direction:column;gap:4px;font-size:.9rem;color:var(--muted);margin-top:12px}
.auth .f small{font-size:.8rem}
.auth input:not([type=checkbox]),.auth select{font:inherit;font-size:1rem;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);width:100%}
.auth .check{display:flex;gap:8px;align-items:center;margin:14px 0 6px;font-size:.93rem}
.auth .check input{width:18px;height:18px;accent-color:var(--fix)}
.auth .check a{color:var(--ink)}
.auth button{margin-top:14px}
.wide{width:100%}
.auth .switch{text-align:center;margin:14px 0 0;font-size:.95rem}
.auth .switch a{color:var(--ink);font-weight:600}
.auth .muted,.auth .switch.muted{color:var(--muted)}
.msg-box{border-radius:10px;padding:10px 14px;margin:0 0 12px;font-size:.95rem}
.msg-box ul{margin:0;padding-left:18px}
.msg-box.bad{background:var(--pen-soft);color:var(--pen)}
.msg-box.good{background:var(--fix-soft);color:var(--fix);font-weight:600}
.acct-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.acct-head h1{margin:0}
.acct-block{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;margin-top:16px}
.acct-block h2{font-family:"Tiro Bangla",serif;font-weight:400;font-size:1.4rem;margin:0 0 8px}
.acct-block .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:560px){.acct-block .two{grid-template-columns:1fr}}
.history{list-style:none;padding:0;margin:0 0 12px}
.history li{display:grid;grid-template-columns:1fr auto;gap:2px 12px;align-items:center;border-top:1px solid var(--line);padding:12px 0}
.history .snip{font-family:"Noto Serif Bengali",serif;min-width:0;overflow-wrap:anywhere}
.history .meta{grid-column:1;font-size:.85rem;color:var(--muted)}
.history .small{grid-row:1 / span 2;grid-column:2}
.acct-block.danger summary{cursor:pointer;color:var(--pen);font-weight:600}
.danger-btn{font:inherit;font-weight:600;background:var(--pen);color:#fff;border:0;border-radius:8px;padding:10px 18px;cursor:pointer}

/* Support chat box */
.sp-launch{position:fixed;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:50;display:flex;align-items:center;gap:8px;font:inherit;font-weight:600;background:var(--pen);color:#fff;border:0;border-radius:999px;padding:12px 18px;cursor:pointer;box-shadow:0 6px 20px rgba(0,0,0,.18)}
.sp-launch svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round}
.sp-launch.sp-open{background:var(--ink);color:var(--btn-ink)}
.sp-dot{position:absolute;top:4px;right:6px;width:11px;height:11px;border-radius:50%;background:var(--gold);border:2px solid var(--pen)}
.sp-panel{position:fixed;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(82px + env(safe-area-inset-bottom,0px));z-index:51;width:min(370px,calc(100vw - 32px));max-height:min(600px,calc(100dvh - 110px));display:flex;flex-direction:column;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 50px rgba(0,0,0,.22);overflow:hidden}
.sp-head{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--ink);color:var(--btn-ink);padding:14px 16px}
.sp-head b{display:block;font-family:"Tiro Bangla",serif;font-weight:400;font-size:1.25rem}
.sp-head small{opacity:.8;font-size:.82rem}
.sp-close{font:inherit;font-size:1.6rem;line-height:1;background:none;border:0;color:inherit;cursor:pointer;padding:0 4px}
.sp-body{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:8px;min-height:120px}
.sp-hello{margin:0 0 4px}
.sp-quick{border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:var(--bg)}
.sp-quick summary{cursor:pointer;font-weight:600;font-size:.95rem}
.sp-quick p{margin:8px 0 2px;font-size:.93rem;color:var(--muted)}
.sp-quick a{color:var(--ink);font-weight:600}
.sp-msg{max-width:85%;border-radius:12px;padding:8px 12px;font-size:.95rem;white-space:pre-wrap;overflow-wrap:anywhere}
.sp-msg small{display:block;font-size:.75rem;color:var(--muted);margin-bottom:2px;white-space:normal}
.sp-me{align-self:flex-end;background:var(--fix-soft)}
.sp-them{align-self:flex-start;background:var(--bg);border:1px solid var(--line)}
.sp-note{margin:4px 0 0;font-size:.85rem;color:var(--muted);text-align:center}
.sp-form{border-top:1px solid var(--line);padding:10px 14px 14px;display:flex;flex-direction:column;gap:6px}
.sp-label{display:flex;flex-direction:column;gap:3px;font-size:.82rem;color:var(--muted)}
.sp-form input,.sp-form textarea{font:inherit;font-size:.98rem;width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}
.sp-form textarea{resize:none;min-height:70px}
.sp-who{display:flex;flex-direction:column;gap:6px}
.sp-hp{position:absolute;left:-9999px}
.sp-row{display:flex;justify-content:space-between;align-items:center;gap:8px}
.sp-status{font-size:.82rem;color:var(--pen)}
.sp-send{font:inherit;font-weight:600;background:var(--ink);color:var(--btn-ink);border:0;border-radius:8px;padding:8px 18px;cursor:pointer}
.sp-send:disabled{opacity:.6}
@media (max-width:480px){.sp-panel{right:0;left:0;bottom:0;width:100%;max-height:85dvh;border-radius:18px 18px 0 0;padding-bottom:env(safe-area-inset-bottom,0px)}.sp-launch span{display:none}.sp-launch{padding:14px}}
@media print{.sp-launch,.sp-panel{display:none}}
.sp-panel[hidden],.sp-dot[hidden]{display:none}