/* NAD+OLOGY WhatsApp Inbox — v1.0.0 */
:root{
  --bg-primary:#0a0a0b; --bg-secondary:rgb(22,22,24); --bg-surface:rgb(28,28,30); --bg-elevated:rgb(34,34,37);
  --text-primary:#fff; --text-secondary:rgba(255,255,255,.65); --text-muted:rgba(255,255,255,.35); --text-faint:rgba(255,255,255,.15);
  --gold:rgba(210,185,120,.85); --gold-bright:rgba(220,195,130,1); --gold-faint:rgba(210,185,120,.25);
  --border:rgba(255,255,255,.07); --border-hover:rgba(255,255,255,.18); --border-active:rgba(255,255,255,.35);
  --alert:rgba(224,138,122,.9);
}
*{box-sizing:border-box;border-radius:0}
html,body{height:100%}
body{margin:0;background:var(--bg-primary);color:var(--text-primary);font:300 13px/1.7 Montserrat,sans-serif;letter-spacing:.03em;-webkit-font-smoothing:antialiased}
em{font-style:italic;color:var(--text-secondary)}
button,input,textarea,select{font:inherit;color:inherit;letter-spacing:inherit}
[hidden]{display:none!important}
.eyebrow{margin:0;color:var(--gold);font-size:10px;font-weight:300;letter-spacing:.4em;text-transform:uppercase}
.rule{width:32px;height:1px;background:var(--gold);margin:20px 0 28px}

/* buttons */
.btn-primary,.btn-ghost{border:1px solid transparent;padding:12px 28px;font-size:10px;font-weight:400;letter-spacing:.22em;text-transform:uppercase;cursor:pointer;transition:opacity .3s,border-color .3s,color .3s;white-space:nowrap}
.btn-primary{background:#fff;color:#000}
.btn-primary:hover{opacity:.85}
.btn-primary:disabled{opacity:.3;cursor:not-allowed}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.25);color:rgba(255,255,255,.7)}
.btn-ghost:hover{border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost.small{padding:9px 16px}

input,textarea,select{background:var(--bg-primary);border:1px solid var(--border-hover);padding:11px 14px;outline:none;width:100%;transition:border-color .3s}
input:focus,textarea:focus,select:focus{border-color:var(--gold)}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--gold) 50%),linear-gradient(135deg,var(--gold) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:36px}
label{display:block;color:var(--text-secondary);font-size:10px;letter-spacing:.25em;text-transform:uppercase;margin:0 0 18px}
label input{margin-top:8px;text-transform:none;letter-spacing:.03em;font-size:13px;color:#fff}

/* login */
.login-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{width:100%;max-width:380px;background:var(--bg-surface);border:1px solid var(--border);padding:48px 36px}
.login-card h1{font-weight:200;font-size:28px;letter-spacing:.05em;margin:10px 0 0}
.login-card .btn-primary{width:100%;margin-top:8px}
.form-error{color:var(--alert);font-size:12px;margin:0 0 18px}

/* app shell */
body.app{display:flex;flex-direction:column;height:100dvh;overflow:hidden}
.topbar{display:flex;align-items:center;gap:32px;padding:14px 28px;border-bottom:1px solid var(--border);background:rgba(10,10,11,.92)}
.brand{display:flex;flex-direction:column;line-height:1.3}
.brand-title{font-weight:200;font-size:15px;letter-spacing:.14em}
.numbers{display:flex;gap:4px;flex:1;overflow-x:auto}
.num-tab{background:none;border:0;border-bottom:1px solid transparent;padding:10px 16px;cursor:pointer;color:rgba(255,255,255,.45);font-size:10px;letter-spacing:.22em;text-transform:uppercase;display:flex;align-items:center;gap:10px;white-space:nowrap;transition:color .3s,border-color .3s}
.num-tab:hover{color:#fff}
.num-tab.active{color:#fff;border-bottom-color:var(--gold)}
.num-tab .sub{color:var(--text-muted);letter-spacing:.08em;text-transform:none}
.num-tab.off{opacity:.45}
.badge{min-width:18px;padding:1px 6px;background:var(--gold);color:#000;font-size:9px;font-weight:500;letter-spacing:.05em;text-align:center}
.logout{color:var(--text-muted);text-decoration:none;font-size:10px;letter-spacing:.22em;text-transform:uppercase}
.logout:hover{color:#fff}

.layout{flex:1;display:grid;grid-template-columns:360px 1fr;min-height:0}
.list-pane{border-right:1px solid var(--border);display:flex;flex-direction:column;min-height:0;background:var(--bg-secondary)}
.list-tools{display:flex;gap:8px;padding:16px;border-bottom:1px solid var(--border)}
.conv-list{overflow-y:auto;flex:1}
.conv{display:block;width:100%;text-align:left;background:none;border:0;border-bottom:1px solid var(--border);border-left:1px solid transparent;padding:16px 18px;cursor:pointer;transition:background .25s,border-color .25s}
.conv:hover{background:var(--bg-surface)}
.conv.active{background:var(--bg-primary);border-left-color:var(--gold)}
.conv-top{display:flex;justify-content:space-between;gap:12px;align-items:baseline}
.conv-name{font-weight:400;font-size:13px;letter-spacing:.04em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv-time{color:var(--text-muted);font-size:10px;white-space:nowrap}
.conv-bottom{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:4px}
.conv-prev{color:var(--text-secondary);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv.unread .conv-name{color:var(--gold-bright)}
.conv-win{width:5px;height:5px;border:1px solid var(--gold);transform:rotate(45deg);flex:none}
.empty{color:var(--text-muted);padding:28px 18px;font-size:12px;letter-spacing:.06em}

/* thread */
.thread-pane{display:flex;flex-direction:column;min-height:0;min-width:0}
.thread-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px}
.divider{display:flex;align-items:center;gap:12px}
.divider span{width:56px;height:1px;background:rgba(255,255,255,.2)}
.divider i{width:5px;height:5px;border:1px solid var(--gold);transform:rotate(45deg)}
.thread{flex:1;display:flex;flex-direction:column;min-height:0}
.thread-head{display:flex;align-items:center;gap:16px;padding:16px 28px;border-bottom:1px solid var(--border)}
.back{display:none;background:none;border:0;color:var(--text-secondary);font-size:18px;cursor:pointer;padding:4px 8px 4px 0}
.who{flex:1;min-width:0}
.who-name{font-weight:300;font-size:17px;letter-spacing:.06em;cursor:text;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.who-meta{color:var(--text-muted);font-size:11px;letter-spacing:.08em}
.window-state{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-muted);text-align:right}
.window-state.open{color:var(--gold)}

.messages{flex:1;overflow-y:auto;padding:28px;display:flex;flex-direction:column;gap:6px}
.day{align-self:center;color:var(--text-muted);font-size:9px;letter-spacing:.35em;text-transform:uppercase;margin:18px 0 10px}
.msg{max-width:min(620px,78%);padding:11px 16px 8px;border:1px solid var(--border);background:var(--bg-surface);word-wrap:break-word;overflow-wrap:anywhere}
.msg-body{white-space:pre-wrap}
.msg.in{align-self:flex-start}
.msg.out{align-self:flex-end;background:var(--bg-elevated);border-color:var(--gold-faint)}
.msg.external{background:transparent;border-style:dashed;color:var(--text-muted);font-style:italic}
.msg.template .tpl-tag{display:block;color:var(--gold);font-size:9px;letter-spacing:.3em;text-transform:uppercase;font-style:normal;margin-bottom:4px}
.msg a{color:var(--gold-bright)}
.msg-meta{display:flex;justify-content:flex-end;gap:10px;margin-top:4px;color:var(--text-muted);font-size:9px;letter-spacing:.14em;text-transform:uppercase;white-space:nowrap}
.msg-meta .st-read{color:var(--gold)}
.msg-meta .st-failed{color:var(--alert)}
.msg-err{color:var(--alert);font-size:11px;margin-top:6px;white-space:normal}
.msg img,.msg video{display:block;max-width:100%;max-height:360px;margin:2px 0 6px;border:1px solid var(--border)}
.msg audio{display:block;width:260px;max-width:100%;margin:4px 0 6px}
.file{display:inline-block;color:var(--gold-bright);border:1px solid var(--gold-faint);padding:8px 12px;margin-bottom:6px;text-decoration:none;font-size:11px;letter-spacing:.1em}
.load-older{align-self:center;margin-bottom:10px}

.composer{border-top:1px solid var(--border);padding:16px 28px calc(16px + env(safe-area-inset-bottom));background:var(--bg-secondary)}
.compose-row{display:flex;gap:10px;align-items:flex-end}
.compose-row textarea{resize:none;max-height:180px;min-height:44px;line-height:1.6}
.closed-note{color:var(--text-secondary);font-size:12px;margin-bottom:12px;padding-left:12px;border-left:1px solid var(--gold)}
.composer.closed textarea{opacity:.35}

/* modals */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.72);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:16px;z-index:20}
.modal-card{width:100%;max-width:520px;max-height:90dvh;overflow-y:auto;background:var(--bg-surface);border:1px solid var(--border-hover);padding:32px}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.x{background:none;border:0;color:var(--text-secondary);font-size:22px;cursor:pointer;line-height:1}
.row{display:flex;gap:8px;margin-bottom:14px}
.tpl-note{color:var(--alert);font-size:12px;margin-bottom:10px}
.tpl-note:empty{display:none}
.tpl-preview{white-space:pre-wrap;background:var(--bg-primary);border:1px solid var(--border);padding:16px;color:var(--text-secondary);font-size:12px;margin:6px 0 20px;min-height:48px}
.tpl-preview .btns{margin-top:10px;color:var(--gold);font-size:10px;letter-spacing:.18em;text-transform:uppercase}
.modal-actions{display:flex;justify-content:flex-end}
.hint{color:var(--text-muted);font-size:12px;margin:0 0 20px}

.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--bg-elevated);border:1px solid var(--border-hover);padding:12px 22px;font-size:12px;z-index:30;max-width:calc(100% - 32px)}
.toast.err{border-color:var(--alert)}

::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:var(--text-faint)}

/* mobile */
@media (max-width:820px){
  .topbar{padding:10px 16px;gap:14px}
  .brand{display:none}
  .num-tab{padding:10px 10px}
  .num-tab .sub{display:none}
  .layout{grid-template-columns:1fr}
  .thread-pane{display:none}
  body.thread-open .list-pane{display:none}
  body.thread-open .thread-pane{display:flex}
  .back{display:block}
  .thread-head{padding:12px 16px}
  .messages{padding:18px 16px}
  .msg{max-width:88%}
  .composer{padding:12px 16px calc(12px + env(safe-area-inset-bottom))}
  .compose-row .btn-ghost,.compose-row .btn-primary{padding:12px 14px}
  .modal-card{padding:24px 20px}
}