/* ============================================================
   Digilistan WhatsApp Platform — design system
   Brand: ink #0B0B0D, accent #00E5A0, text #B9BEC7 (on dark)
   App:   dark sidebar + light workspace, Space Grotesk / Inter
   ============================================================ */
:root{
  --ink:#0B0B0D; --ink2:#121216; --ink3:#1A1A20;
  --accent:#00E5A0; --accent-dim:rgba(0,229,160,.14);
  --paper:#F5F6F8; --card:#FFFFFF; --line:#E4E7EC; --line-dark:#26262E;
  --tx:#101828; --tx2:#475467; --tx3:#98A2B3;
  --tx-on-dark:#EAECF0; --tx-dim:#B9BEC7;
  --danger:#E5484D; --warn:#F79009; --ok:#12B76A;
  --wa:#25D366; --wa-bubble:#DCF8C6;
  --r:14px; --r-sm:9px;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);
  --shadow-lg:0 12px 32px -8px rgba(11,11,13,.25);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-d:'Space Grotesk','Inter',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--tx);background:var(--paper);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px}
::selection{background:var(--accent);color:var(--ink)}
h1,h2,h3,.disp{font-family:var(--font-d);letter-spacing:-.01em}

/* ---------- buttons / forms ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid transparent;border-radius:10px;
  padding:10px 18px;font-size:14px;font-weight:600;transition:.18s;background:var(--ink);color:#fff}
.btn:hover{transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#1BF0B2}
.btn-ghost{background:transparent;color:var(--tx);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--tx3)}
.btn-light{background:rgba(255,255,255,.06);color:var(--tx-on-dark);border-color:var(--line-dark)}
.btn-light:hover{border-color:var(--accent);color:var(--accent)}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:8px}
.btn[disabled]{opacity:.55;pointer-events:none}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--tx)}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;background:#fff;color:var(--tx);outline:none;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.field .hint{font-size:12px;color:var(--tx3);margin-top:5px}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;
  padding:3px 9px;border-radius:99px;background:var(--accent-dim);color:#067647}
.badge.grey{background:#EEF2F6;color:var(--tx2)} .badge.amber{background:#FEF6E0;color:#B54708}
.badge.red{background:#FEF3F2;color:#B42318} .badge.dark{background:var(--ink3);color:var(--accent)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--tx3);
  padding:11px 16px;border-bottom:1px solid var(--line)}
table.tbl td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
table.tbl tr:last-child td{border-bottom:none}
.empty{padding:44px 20px;text-align:center;color:var(--tx3)}
.empty .big{font-size:15px;color:var(--tx2);font-weight:600;margin-bottom:4px}

/* ---------- public site ---------- */
.site{background:var(--ink);color:var(--tx-on-dark);min-height:100vh}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.nav{position:sticky;top:0;z-index:50;background:rgba(11,11,13,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-dark)}
.nav-in{display:flex;align-items:center;gap:28px;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-d);font-weight:700;font-size:19px;color:#fff}
.logo .mark{width:32px;height:32px;border-radius:9px;background:var(--accent);display:grid;place-items:center;color:var(--ink);font-size:17px}
.nav-links{display:flex;gap:26px;margin-left:12px;font-size:14.5px;color:var(--tx-dim)}
.nav-links a:hover{color:#fff}
.nav-cta{margin-left:auto;display:flex;gap:10px;align-items:center}
.hero{padding:88px 0 70px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:
  radial-gradient(640px 340px at 82% -60px,rgba(0,229,160,.16),transparent 65%),
  radial-gradient(520px 300px at 8% 110%,rgba(0,229,160,.07),transparent 60%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.eyebrow{display:inline-flex;gap:8px;align-items:center;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--accent);border:1px solid rgba(0,229,160,.35);border-radius:99px;padding:6px 13px;margin-bottom:22px}
.hero h1{font-size:clamp(38px,4.6vw,58px);line-height:1.04;color:#fff;font-weight:700}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{font-size:18px;line-height:1.65;color:var(--tx-dim);margin:22px 0 30px;max-width:540px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{margin-top:16px;font-size:13.5px;color:var(--tx3)}
.mock{background:var(--ink2);border:1px solid var(--line-dark);border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden}
.mock-bar{display:flex;gap:7px;padding:12px 14px;border-bottom:1px solid var(--line-dark)}
.mock-bar i{width:11px;height:11px;border-radius:50%;background:#33333C}
.mock-bar i:first-child{background:var(--accent)}
.mock-body{display:grid;grid-template-columns:118px 1fr;min-height:308px}
.mock-side{border-right:1px solid var(--line-dark);padding:16px 12px;display:flex;flex-direction:column;gap:9px}
.mock-side b{height:9px;border-radius:5px;background:#26262E}
.mock-side b.on{background:var(--accent);width:72%}
.mock-main{padding:16px;display:flex;flex-direction:column;gap:10px}
.bub{max-width:78%;padding:9px 12px;border-radius:12px;font-size:12.5px;line-height:1.5}
.bub.in{background:#22222A;color:var(--tx-on-dark);border-bottom-left-radius:4px}
.bub.out{background:rgba(0,229,160,.16);color:#D8FFF1;align-self:flex-end;border-bottom-right-radius:4px}
.bub small{display:block;margin-top:4px;font-size:10.5px;color:var(--tx3)}
.section{padding:84px 0}
.section.alt{background:var(--ink2);border-block:1px solid var(--line-dark)}
.sec-head{max-width:680px;margin-bottom:46px}
.sec-head h2{font-size:clamp(28px,3.4vw,40px);color:#fff;line-height:1.12}
.sec-head p{color:var(--tx-dim);font-size:16.5px;line-height:1.65;margin-top:14px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:var(--ink2);border:1px solid var(--line-dark);border-radius:var(--r);padding:26px;transition:.2s}
.feat:hover{border-color:rgba(0,229,160,.45);transform:translateY(-3px)}
.feat .ic{width:44px;height:44px;border-radius:11px;background:var(--accent-dim);display:grid;place-items:center;font-size:21px;margin-bottom:16px}
.feat h3{color:#fff;font-size:18px;margin-bottom:8px}
.feat p{color:var(--tx-dim);font-size:14.5px;line-height:1.65}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{border:1px solid var(--line-dark);border-radius:var(--r);padding:26px;background:var(--ink)}
.step .n{font-family:var(--font-d);font-size:15px;color:var(--accent);font-weight:700;margin-bottom:12px}
.step h3{color:#fff;margin-bottom:8px;font-size:18px}.step p{color:var(--tx-dim);font-size:14.5px;line-height:1.65}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{background:var(--ink2);border:1px solid var(--line-dark);border-radius:18px;padding:30px;display:flex;flex-direction:column}
.plan.hot{border-color:var(--accent);position:relative}
.plan.hot::after{content:'Most popular';position:absolute;top:-12px;right:22px;background:var(--accent);color:var(--ink);
  font-size:11.5px;font-weight:700;padding:4px 11px;border-radius:99px}
.plan h3{color:#fff;font-size:19px}
.plan .price{font-family:var(--font-d);font-size:38px;color:#fff;margin:14px 0 2px}
.plan .price span{font-size:14px;color:var(--tx3)}
.plan ul{list-style:none;margin:20px 0 26px;display:flex;flex-direction:column;gap:11px;font-size:14.5px;color:var(--tx-dim)}
.plan ul li::before{content:'✓';color:var(--accent);font-weight:700;margin-right:9px}
.plan .btn{margin-top:auto;justify-content:center}
.faq{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.faq div{border:1px solid var(--line-dark);border-radius:var(--r);padding:24px;background:var(--ink)}
.faq h3{color:#fff;font-size:16.5px;margin-bottom:8px}.faq p{color:var(--tx-dim);font-size:14.5px;line-height:1.65}
.cta-band{background:linear-gradient(120deg,rgba(0,229,160,.14),rgba(0,229,160,.03));border:1px solid rgba(0,229,160,.35);
  border-radius:20px;padding:52px;text-align:center}
.cta-band h2{color:#fff;font-size:clamp(26px,3vw,36px);margin-bottom:12px}
.cta-band p{color:var(--tx-dim);margin-bottom:26px}
footer.site-f{border-top:1px solid var(--line-dark);padding:38px 0;color:var(--tx3);font-size:13.5px}
footer.site-f .wrap{display:flex;gap:22px;flex-wrap:wrap;align-items:center}
footer.site-f a:hover{color:var(--accent)}

/* ---------- auth pages ---------- */
.auth{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}
.auth-brand{background:var(--ink);color:var(--tx-on-dark);padding:52px;display:flex;flex-direction:column}
.auth-brand .logo{margin-bottom:auto}
.auth-brand h2{color:#fff;font-size:34px;line-height:1.15;max-width:420px}
.auth-brand p{color:var(--tx-dim);margin-top:14px;line-height:1.65;max-width:400px}
.auth-brand ul{list-style:none;margin-top:28px;display:flex;flex-direction:column;gap:12px;color:var(--tx-dim);font-size:15px}
.auth-brand ul li::before{content:'✓';color:var(--accent);font-weight:700;margin-right:10px}
.auth-form{display:flex;align-items:center;justify-content:center;padding:40px 24px;background:var(--paper)}
.auth-card{width:100%;max-width:420px}
.auth-card h1{font-size:28px;margin-bottom:6px}
.auth-card .sub{color:var(--tx2);margin-bottom:26px;font-size:15px}
.form-err{display:none;background:#FEF3F2;border:1px solid #FECDCA;color:#B42318;font-size:13.5px;
  padding:10px 13px;border-radius:10px;margin-bottom:16px}
.form-err.show{display:block}
.switch{margin-top:18px;font-size:14px;color:var(--tx2);text-align:center}
.switch a{color:#067647;font-weight:600}

/* ---------- dashboard app ---------- */
.app{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.side{background:var(--ink);color:var(--tx-dim);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side .logo{padding:20px 20px 16px;color:#fff}
.side nav{padding:6px 12px;display:flex;flex-direction:column;gap:3px}
.side nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;font-size:14.5px;font-weight:500;transition:.15s}
.side nav a:hover{color:#fff;background:var(--ink3)}
.side nav a.on{background:var(--accent-dim);color:var(--accent)}
.side nav a .ic{width:19px;text-align:center;font-size:15px}
.side .grow{flex:1}
.side-acct{margin:12px;padding:13px;border:1px solid var(--line-dark);border-radius:12px;font-size:13px}
.side-acct .num{color:#fff;font-weight:600;font-size:14px}
.side-user{padding:14px 20px;border-top:1px solid var(--line-dark);display:flex;gap:10px;align-items:center;font-size:13.5px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--accent);color:var(--ink);display:grid;place-items:center;font-weight:700;font-size:14px;flex:none}
.main{min-width:0;display:flex;flex-direction:column}
.topbar{height:64px;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;padding:0 26px;position:sticky;top:0;z-index:20}
.topbar h1{font-size:19px}
.topbar .sp{flex:1}
.content{padding:26px;max-width:1240px;width:100%;margin:0 auto}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.stat .k{font-size:13px;color:var(--tx2);font-weight:600}
.stat .v{font-family:var(--font-d);font-size:32px;margin-top:6px}
.stat .s{font-size:12.5px;color:var(--tx3);margin-top:3px}
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.toolbar .sp{flex:1}
.search{position:relative}
.search input{padding:10px 13px 10px 36px;border:1px solid var(--line);border-radius:10px;width:250px;outline:none;background:#fff}
.search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.search span{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--tx3)}
.notice{display:flex;gap:14px;align-items:center;background:#FFFAEB;border:1px solid #FEDF89;color:#93370D;
  border-radius:var(--r);padding:16px 18px;margin-bottom:20px;font-size:14.5px}
.notice .btn{margin-left:auto;flex:none}

/* inbox */
.inbox{display:grid;grid-template-columns:318px 1fr;gap:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;height:calc(100vh - 150px);box-shadow:var(--shadow)}
.conv-list{border-right:1px solid var(--line);overflow-y:auto}
.conv{display:flex;gap:11px;padding:14px 16px;border-bottom:1px solid var(--line);cursor:pointer;transition:.12s}
.conv:hover{background:#F9FAFB}.conv.on{background:var(--accent-dim)}
.conv .avatar{background:#EAECF0;color:var(--tx2)}
.conv .meta{min-width:0;flex:1}
.conv .nm{font-weight:600;font-size:14.5px;display:flex;justify-content:space-between;gap:8px}
.conv .nm time{font-size:11.5px;color:var(--tx3);font-weight:400;flex:none}
.conv .pv{font-size:13px;color:var(--tx2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.unread{background:var(--accent);color:var(--ink);font-size:11px;font-weight:700;min-width:20px;height:20px;
  border-radius:99px;display:grid;place-items:center;padding:0 6px;flex:none}
.thread{display:flex;flex-direction:column;min-width:0;background:#ECE9E2;
  background-image:radial-gradient(rgba(11,11,13,.05) 1px,transparent 1px);background-size:18px 18px}
.thread-head{background:var(--card);border-bottom:1px solid var(--line);padding:12px 18px;display:flex;gap:12px;align-items:center}
.thread-body{flex:1;overflow-y:auto;padding:20px 22px;display:flex;flex-direction:column;gap:7px}
.msg{max-width:66%;padding:9px 12px 6px;border-radius:11px;font-size:14.5px;line-height:1.5;box-shadow:0 1px 1px rgba(11,11,13,.12);word-break:break-word;white-space:pre-wrap}
.msg.in{background:#fff;align-self:flex-start;border-top-left-radius:3px}
.msg.out{background:var(--wa-bubble);align-self:flex-end;border-top-right-radius:3px}
.msg .tm{display:block;text-align:right;font-size:11px;color:var(--tx2);margin-top:3px}
.msg .tm .tick{color:#53BDEB}
.composer{background:var(--card);border-top:1px solid var(--line);padding:13px 16px;display:flex;gap:10px;align-items:flex-end}
.composer textarea{flex:1;border:1px solid var(--line);border-radius:11px;padding:11px 13px;resize:none;max-height:110px;outline:none}
.composer textarea:focus{border-color:var(--accent)}
.thread-empty{flex:1;display:grid;place-items:center;color:var(--tx2);text-align:center;padding:30px}

/* modal + toast */
.modal-bg{position:fixed;inset:0;background:rgba(11,11,13,.55);backdrop-filter:blur(3px);display:none;place-items:center;z-index:80;padding:18px}
.modal-bg.show{display:grid}
.modal{background:#fff;border-radius:16px;width:100%;max-width:520px;max-height:88vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal-h{padding:20px 24px 0;display:flex;align-items:flex-start}
.modal-h h3{font-size:19px;flex:1}
.modal-b{padding:18px 24px 24px}
.modal-x{background:none;border:none;font-size:20px;color:var(--tx3);line-height:1}
#toasts{position:fixed;bottom:22px;right:22px;z-index:120;display:flex;flex-direction:column;gap:9px}
.toast{background:var(--ink);color:#fff;padding:13px 17px;border-radius:11px;font-size:14px;box-shadow:var(--shadow-lg);
  display:flex;gap:9px;align-items:center;animation:tin .25s ease}
.toast.err{background:#7A271A}
@keyframes tin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.view{display:none}.view.on{display:block;animation:tin .2s ease}

@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr}.feat-grid,.steps,.plans,.faq{grid-template-columns:1fr}
  .auth{grid-template-columns:1fr}.auth-brand{display:none}
  .app{grid-template-columns:1fr}.side{position:fixed;z-index:60;width:248px;left:-260px;transition:.25s}
  .side.open{left:0}.stat-grid{grid-template-columns:repeat(2,1fr)}
  .inbox{grid-template-columns:1fr}.conv-list{display:none}.inbox.chat-open .conv-list{display:none}
  .inbox.chat-open .thread{display:flex}.thread{display:none}.inbox:not(.chat-open) .thread{display:none}
  .inbox:not(.chat-open) .conv-list{display:block}
}