/* ============================================================
   Tech Abhyas — shared site styles (ta-site.css)
   Design system + chrome (nav, footer, enquiry panel, chat,
   forms, cards) for the marketing pages. Pair with ta-shell.js.
   ============================================================ */
:root{
  --bg:#FFFFFF; --bg-alt:#F5F5F7; --ink:#1D1D1F; --muted:#6E6E73;
  --hairline:#D2D2D7; --accent:#13A3AE; --accent-hover:#17B9C6;
  --navy:#0B1233; --navy-2:#101a47;
  --max:980px; --pad-y:68px; --radius-pill:980px; --radius-card:18px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--ink);font-size:17px;line-height:1.7;font-weight:400;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
img,svg{display:block;max-width:100%}
ul{list-style:none}

/* ---------- TYPE ---------- */
.label{font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:20px}
.h-display{font-size:clamp(40px,6vw,80px);line-height:1.05;letter-spacing:-.03em;font-weight:700;text-wrap:balance}
.h-section{font-size:clamp(34px,4.4vw,60px);line-height:1.07;letter-spacing:-.03em;font-weight:700;text-wrap:balance}
.h-card{font-size:24px;line-height:1.25;letter-spacing:-.02em;font-weight:600}
.body-lg{font-size:19px;line-height:1.55;color:var(--muted)}
.body-md{font-size:17px;line-height:1.6;color:var(--muted)}

/* ---------- LAYOUT ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.wrap-wide{max-width:1240px;margin:0 auto;padding:0 24px}
section{padding:var(--pad-y) 0}
@media (max-width:768px){section{padding:52px 0}}
.sec-head{margin-bottom:48px;max-width:780px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:500;transition:all .25s var(--ease);white-space:nowrap;line-height:1}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--hairline)}
.btn-ghost:hover{background:rgba(0,0,0,.04)}
.btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-outline-light:hover{background:rgba(255,255,255,.08);border-color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#f0f0f2;transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:13px}
.btn-block{width:100%}
.link-arrow{color:var(--accent);font-size:15px;font-weight:500;display:inline-flex;align-items:center;gap:4px;transition:gap .2s var(--ease)}
.link-arrow:hover{gap:8px}

/* ---------- NAV ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:80px;background:#0d1640;transition:background .3s var(--ease),border-color .3s var(--ease);border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(13,22,64,.94);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom-color:rgba(255,255,255,.08)}
.nav-inner{max-width:1240px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 24px;color:#f5f5f7;gap:16px}
.nav-logo{display:flex;align-items:center;gap:11px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:8px 14px;font-size:13px;font-weight:400;color:#f5f5f7;cursor:pointer;border-radius:6px;display:inline-flex;align-items:center;gap:4px;transition:opacity .2s}
.nav-link:hover{opacity:.7}
.nav-link.active::after{content:'';position:absolute;bottom:-4px;left:14px;right:14px;height:2px;background:var(--accent);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav .btn-ghost{color:#f5f5f7;border-color:rgba(255,255,255,.28)}
.nav .btn-ghost:hover{background:rgba(255,255,255,.10)}

/* brand lockup */
.brand-mark{height:46px;width:auto;flex-shrink:0;display:block}
.brand-stack{display:flex;flex-direction:column;justify-content:center;line-height:1}
.brand-word{font-size:23px;font-weight:700;letter-spacing:-.02em;white-space:nowrap;line-height:1}
.brand-word .bw-tech{color:#fff}
.brand-word .bw-ab{color:var(--accent)}
.brand-parent{display:flex;align-items:center;gap:6px;font-size:9px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:rgba(245,245,247,.55);margin-top:5px}
.brand-parent::before{content:'';width:5px;height:5px;background:var(--accent);border-radius:1px;transform:rotate(45deg);flex-shrink:0}
.brand-parent b{color:rgba(245,245,247,.82);font-weight:700;letter-spacing:.14em}
@media (max-width:520px){.brand-word{font-size:18px}.brand-mark{height:36px}.brand-parent{font-size:7.5px;letter-spacing:.12em}}

/* dropdown */
.dropdown{position:fixed;top:80px;left:0;right:0;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(24px);-webkit-backdrop-filter:saturate(180%) blur(24px);border-bottom:1px solid rgba(0,0,0,.06);opacity:0;pointer-events:none;transform:translateY(-8px);transition:opacity .25s var(--ease),transform .25s var(--ease);color:var(--ink);z-index:99}
.dropdown.open{opacity:1;pointer-events:auto;transform:translateY(0)}
.dropdown-inner{max-width:1240px;margin:0 auto;padding:36px 24px 44px}
.dropdown-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:8px}
.drop-item{display:grid;grid-template-columns:38px 1fr auto;align-items:start;gap:14px;padding:16px;border-radius:14px;cursor:pointer;transition:background .2s}
.drop-item:hover{background:rgba(0,0,0,.04)}
.drop-icon{width:38px;height:38px;border-radius:10px;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;color:var(--ink)}
.drop-icon svg{width:18px;height:18px}
.drop-text{min-width:0}
.drop-title{font-size:15px;font-weight:600;margin-bottom:2px;letter-spacing:-.01em}
.drop-sub{font-size:13px;color:var(--muted);line-height:1.45}
.drop-badge{display:inline-block;font-size:9px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#9A6E03;background:rgba(229,165,10,.14);padding:2px 7px;border-radius:980px;margin-left:6px;vertical-align:middle}
.drop-arrow{color:var(--muted);align-self:center;opacity:0;transition:all .2s}
.drop-item:hover .drop-arrow{opacity:1;transform:translateX(2px)}

/* mobile menu */
.nav-burger{display:none;width:32px;height:32px;align-items:center;justify-content:center;color:#f5f5f7}
.mobile-menu{position:fixed;top:80px;left:0;right:0;bottom:0;background:#fff;z-index:98;padding:24px;overflow-y:auto;transform:translateY(-100%);transition:transform .35s var(--ease)}
.mobile-menu.open{transform:translateY(0)}
.mob-item{display:block;padding:18px 0;border-bottom:1px solid var(--hairline);font-size:20px;font-weight:500;color:var(--ink)}
.mob-sub{padding:10px 0 18px}
.mob-sub-item{display:block;font-size:15px;color:var(--muted);padding:8px 0}
@media (max-width:1024px){.nav-links,.nav-cta .btn:not(.btn-cb){display:none}.nav-burger{display:flex}}
@media (max-width:768px){.nav-cta .btn-cb{display:none}}

/* ---------- PAGE HERO (compact dark) ---------- */
.page-hero{background:var(--navy);color:#f5f5f7;position:relative;overflow:hidden;padding:150px 0 72px}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 18% 20%,rgba(19,163,174,.12) 0%,transparent 55%),radial-gradient(ellipse at 85% 80%,rgba(255,255,255,.03) 0%,transparent 50%);pointer-events:none}
.page-hero .wrap,.page-hero .wrap-wide{position:relative;z-index:1}
.page-hero .eyebrow{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(245,245,247,.6);font-weight:600;margin-bottom:16px}
.page-hero h1{font-size:clamp(38px,5.4vw,68px);line-height:1.05;letter-spacing:-.035em;font-weight:700;color:#fff;text-wrap:balance;margin-bottom:18px}
.page-hero p{font-size:19px;line-height:1.55;color:rgba(245,245,247,.78);max-width:620px}
.page-hero .hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}

/* breadcrumb */
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(245,245,247,.6);margin-bottom:22px}
.crumbs a:hover{color:#fff}
.crumbs .sep{opacity:.5}

/* ---------- CARDS / GRIDS ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (max-width:980px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:680px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius-card);padding:28px;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .25s}
.card.hover:hover{transform:translateY(-4px);box-shadow:0 24px 60px -24px rgba(0,0,0,.18);border-color:transparent}
.card-icon{width:46px;height:46px;border-radius:12px;background:rgba(19,163,174,.10);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.card-icon svg{width:23px;height:23px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border:1px solid var(--hairline);border-radius:var(--radius-pill);font-size:13px;color:var(--ink);background:#fff}
.chip-accent{border-color:transparent;background:rgba(19,163,174,.10);color:#0c7f88;font-weight:600}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:4px 10px;border-radius:980px}
.tag-internship{color:#0B7E87;background:rgba(19,163,174,.12)}
.tag-fulltime{color:#1A8F51;background:rgba(31,157,87,.12)}
.tag-parttime{color:#6B4FBB;background:rgba(107,79,187,.12)}
.tag-workshop{color:#0B7E87;background:rgba(19,163,174,.12)}
.tag-expo{color:#B23A8A;background:rgba(178,58,138,.12)}
.tag-event{color:#9A6E03;background:rgba(229,165,10,.14)}
.tag-soon{color:#9A6E03;background:rgba(229,165,10,.14)}

/* placeholder (striped image slot) */
.placeholder{background:repeating-linear-gradient(135deg,#ececef 0 12px,#f5f5f7 12px 24px);border-radius:var(--radius-card);position:relative;display:flex;align-items:center;justify-content:center;color:var(--muted);font-family:'SF Mono','JetBrains Mono',Menlo,monospace;font-size:12px;overflow:hidden}
.placeholder.dark{background:repeating-linear-gradient(135deg,#0e1124 0 12px,#141937 12px 24px);color:rgba(255,255,255,.45)}
.empty{padding:56px 24px;text-align:center;color:var(--muted);font-size:15px}
.empty svg{width:28px;height:28px;margin:0 auto 12px;color:var(--hairline)}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- FORM FIELDS ---------- */
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;color:var(--muted);font-weight:500;letter-spacing:.02em}
.field label .opt{color:var(--muted);font-weight:400;text-transform:none;letter-spacing:0}
.field input,.field textarea,.field select{width:100%;padding:14px 16px;background:var(--bg-alt);border:1px solid transparent;border-radius:12px;font-family:inherit;font-size:15px;color:var(--ink);transition:all .2s}
.field select{appearance:none;-webkit-appearance:none;-moz-appearance:none;padding-right:42px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2.5 4.5 L6 8 L9.5 4.5' stroke='%236E6E73' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;cursor:pointer;line-height:1.2}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;background:#fff;border-color:var(--accent)}
.field textarea{resize:vertical;min-height:110px}
.field .file{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--bg-alt);border:1px dashed var(--hairline);border-radius:12px;cursor:pointer;transition:all .2s;font-size:14px;color:var(--muted)}
.field .file:hover{border-color:var(--accent);color:var(--ink)}
.field .file svg{width:18px;height:18px;color:var(--accent);flex-shrink:0}
.field .file input[type=file]{display:none}
.form-success{background:#e8f5e9;color:#1b5e20;padding:14px;border-radius:10px;font-size:14px;display:flex;gap:8px;align-items:center}
.form-error{background:#fdecea;color:#b3261e;padding:12px 14px;border-radius:10px;font-size:13.5px;display:flex;gap:8px;align-items:center}
.form-error svg,.form-success svg{width:18px;height:18px;flex-shrink:0}

/* ---------- FOOTER ---------- */
footer{background:var(--navy);color:#86868b;padding:64px 0 32px;font-size:13px;line-height:1.6}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
@media (max-width:880px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot-logo-img{height:58px;width:auto;margin-bottom:18px;display:block}
@media (max-width:520px){.foot-logo-img{height:48px}}
.foot-desc{margin-bottom:18px;max-width:280px}
.foot-col h5{color:#f5f5f7;font-weight:600;margin-bottom:14px;text-transform:uppercase;letter-spacing:.06em;font-size:11px}
.foot-col a{display:block;padding:5px 0;color:#86868b;transition:color .2s}
.foot-col a:hover{color:#f5f5f7}
.foot-socials{display:flex;gap:10px;margin-top:8px}
.foot-socials a{width:34px;height:34px;border-radius:50%;background:#2c2c2e;display:flex;align-items:center;justify-content:center;color:#86868b;transition:all .2s}
.foot-socials a:hover{background:#3c3c3e;color:#f5f5f7}
.foot-socials svg{width:14px;height:14px}
.foot-bottom{border-top:1px solid #2c2c2e;padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:12px}
.foot-bottom a{color:#86868b}
.foot-bottom a:hover{color:#f5f5f7}
.parent-brand{display:flex;align-items:center;gap:12px;margin:22px 0 4px;padding-top:20px;border-top:1px solid #2c2c2e}
.pb-text{display:flex;flex-direction:column;line-height:1.2}
.pb-label{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#86868b}
.pb-word{display:flex;align-items:center;gap:9px;font-size:20px;font-weight:700;color:#f5f5f7;letter-spacing:-.01em;margin-top:4px}
.pb-word .pb-dot{width:10px;height:10px;background:var(--accent);border-radius:2px;transform:rotate(45deg);flex-shrink:0}

/* ---------- AUTH CHIP ---------- */
.auth-wrap{position:relative}
.auth-chip{display:flex;align-items:center;gap:8px;padding:6px 12px 6px 6px;border-radius:980px;cursor:pointer;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);transition:background .2s}
.auth-chip:hover{background:rgba(255,255,255,.12)}
.auth-chip .av{width:28px;height:28px;border-radius:50%;object-fit:cover;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}
.auth-chip .nm{font-size:14px;font-weight:600;color:#f5f5f7;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.auth-chip .cv{color:rgba(245,245,247,.6);flex-shrink:0}
.auth-menu{position:absolute;top:calc(100% + 10px);right:0;min-width:240px;background:#fff;border:1px solid var(--hairline);border-radius:14px;box-shadow:0 18px 50px -16px rgba(0,0,0,.3);padding:8px;z-index:120;opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity .18s var(--ease),transform .18s var(--ease)}
.auth-menu.open{opacity:1;transform:translateY(0);pointer-events:auto}
.auth-menu-head{display:flex;align-items:center;gap:12px;padding:12px;border-bottom:1px solid var(--hairline);margin-bottom:6px}
.auth-menu-head .av{width:40px;height:40px;border-radius:50%;object-fit:cover;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex-shrink:0}
.auth-menu-head .nm{font-size:14px;font-weight:600;color:var(--ink);line-height:1.3}
.auth-menu-head .em{font-size:12.5px;color:var(--muted);max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.auth-menu button,.auth-menu a{width:100%;text-align:left;padding:10px 12px;border-radius:9px;font-size:14px;font-weight:500;color:var(--ink);display:flex;align-items:center;gap:10px;transition:background .15s}
.auth-menu button:hover,.auth-menu a:hover{background:var(--bg-alt)}
.auth-menu button svg,.auth-menu a svg{width:16px;height:16px;color:var(--muted)}

/* ---------- TOAST ---------- */
.ta-toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;padding:13px 22px;border-radius:12px;font-size:14px;font-weight:500;display:flex;align-items:center;gap:10px;box-shadow:0 16px 44px -12px rgba(0,0,0,.4);z-index:400;opacity:0;pointer-events:none;transition:opacity .25s var(--ease),transform .25s var(--ease)}
.ta-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.ta-toast svg{width:18px;height:18px;color:var(--accent)}

/* ---------- SLIDE PANEL (enquiry / register / apply) ---------- */
.slide-panel{position:fixed;top:0;right:0;bottom:0;width:440px;max-width:100%;background:#fff;z-index:201;transform:translateX(100%);transition:transform .35s var(--ease);box-shadow:-12px 0 40px rgba(0,0,0,.12);display:flex;flex-direction:column;padding:32px;overflow-y:auto}
.slide-panel.open{transform:translateX(0)}
.slide-panel-bg{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:200;opacity:0;pointer-events:none;transition:opacity .3s}
.slide-panel-bg.open{opacity:1;pointer-events:auto}
.slide-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.slide-head h3{font-size:22px;font-weight:600;letter-spacing:-.02em}
.slide-x{color:var(--muted);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.slide-x:hover{background:var(--bg-alt)}
.slide-sub{color:var(--muted);font-size:14px;margin-bottom:20px}
.cb-group{display:flex;flex-direction:column;gap:14px}
.cb-group[hidden]{display:none}
.success-state{text-align:center;padding:40px 16px}
.success-check{width:64px;height:64px;border-radius:50%;background:#e8f5e9;color:#2e7d32;margin:0 auto 20px;display:flex;align-items:center;justify-content:center}
.success-check svg{width:32px;height:32px}

/* ---------- MODAL (login prompt) ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:200;opacity:0;pointer-events:none;transition:opacity .25s var(--ease);display:flex;align-items:center;justify-content:center;padding:24px}
.modal-overlay.open{opacity:1;pointer-events:auto}
.modal{background:#fff;border-radius:20px;width:420px;max-width:100%;padding:34px;transform:scale(.96);transition:transform .25s var(--ease);position:relative;max-height:90vh;overflow-y:auto}
.modal-overlay.open .modal{transform:scale(1)}
.modal-x{position:absolute;top:18px;right:18px;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--muted);transition:background .2s}
.modal-x:hover{background:var(--bg-alt)}
.modal h3{font-size:23px;font-weight:600;letter-spacing:-.02em;margin-bottom:6px}
.modal-sub{color:var(--muted);font-size:14px;margin-bottom:22px}

/* ---------- CHATBOT ---------- */
.chat-fab{position:fixed;bottom:24px;right:24px;z-index:90;width:56px;height:56px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 28px rgba(19,163,174,.4);cursor:pointer;transition:transform .25s var(--ease)}
.chat-fab:hover{transform:scale(1.06)}
.chat-panel{position:fixed;bottom:96px;right:24px;z-index:91;width:340px;max-width:calc(100vw - 32px);height:500px;max-height:calc(100vh - 140px);background:#fff;border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.18),0 0 0 1px rgba(0,0,0,.04);display:flex;flex-direction:column;transform-origin:bottom right;transform:translateY(20px) scale(.95);opacity:0;pointer-events:none;transition:all .28s var(--ease);overflow:hidden}
.chat-panel.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.chat-head{padding:18px 20px;border-bottom:1px solid var(--hairline);display:flex;align-items:center;justify-content:space-between}
.chat-head .ttl{display:flex;align-items:center;gap:10px}
.chat-head .dot{width:8px;height:8px;border-radius:50%;background:#34c759}
.chat-head h4{font-size:14px;font-weight:600}
.chat-body{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px}
.msg{max-width:84%;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.45}
.msg.bot{background:var(--bg-alt);color:var(--ink);border-bottom-left-radius:6px}
.msg.user{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:6px}
.quick-replies{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.qr{padding:7px 12px;font-size:12px;background:#fff;border:1px solid var(--hairline);border-radius:var(--radius-pill);color:var(--ink);cursor:pointer;transition:all .2s}
.qr:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.chat-input{padding:12px;border-top:1px solid var(--hairline);display:flex;gap:8px}
.chat-input input{flex:1;padding:10px 14px;background:var(--bg-alt);border:none;border-radius:var(--radius-pill);font-family:inherit;font-size:14px}
.chat-input input:focus{outline:none;background:#ececef}
.chat-send{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
.chat-send svg{width:16px;height:16px}

/* google sign-in button (shared) */
.gbtn{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;height:48px;border:1px solid var(--hairline);border-radius:12px;background:#fff;font-family:inherit;font-size:15px;font-weight:600;color:#3c4043;cursor:pointer;transition:background .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease)}
.gbtn:hover{background:#f7f8f8;box-shadow:0 1px 4px rgba(0,0,0,.08);border-color:#c6c9ce}
.gbtn svg{width:20px;height:20px;flex-shrink:0}