.hidden { display: none !important; }
/* support.css — redesign 2026-06-03 */
:root {
  --primary: #6059E8; --primary-hover: #4F48D1;
  --primary-bg: rgba(96,89,232,0.08); --primary-border: rgba(96,89,232,0.2);
  --bg-page: #F4F5F8; --bg-card: #FFFFFF;
  --border: rgba(0,0,0,0.07); --border-strong: rgba(0,0,0,0.11);
  --shadow-sm: 0 1px 8px rgba(0,0,0,0.06); --shadow-md: 0 4px 20px rgba(0,0,0,0.07);
  --text-1: #111827; --text-2: #4B5563; --text-3: #9CA3AF;
  --success: #10B981; --success-bg: rgba(16,185,129,0.1);
  --danger: #EF4444; --danger-bg: rgba(239,68,68,0.1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
body{margin:0;font-family:Inter,system-ui,sans-serif;background:var(--bg-page);color:var(--text-1)}
a{color:inherit;text-decoration:none}
.support-app{min-height:100vh;background:var(--bg-page);overflow-x:hidden}

/* ── Wrapper ── */
.support-wrapper{width:min(1760px,100%);margin:0 auto;padding:20px 24px 36px}

/* ── Mobile Home View ── */
.support-home{display:none;flex-direction:column;gap:20px;max-width:600px;margin:0 auto}

.support-home-hero{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;background:var(--bg-card);border-radius:20px;padding:24px;box-shadow:var(--shadow-sm)}
.support-home-text{flex:1}
.support-badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--primary-bg);color:var(--primary);font-size:12px;font-weight:700;letter-spacing:.03em;margin-bottom:10px}
.support-home-title{margin:0 0 6px;font-size:22px;font-weight:800;line-height:1.2;color:var(--text-1)}
.support-home-subtitle{margin:0;color:var(--text-2);font-size:14px;line-height:1.5}
.support-home-icon{flex-shrink:0}

.support-search-box{display:flex;align-items:center;gap:10px;background:var(--bg-card);border:1px solid var(--border-strong);border-radius:14px;padding:0 16px;height:52px;color:var(--text-3)}
.support-search-box input{flex:1;border:none;outline:none;font:500 15px/1 Inter,sans-serif;background:transparent;color:var(--text-1)}
.support-search-box input::placeholder{color:var(--text-3)}

.support-section-title{margin:0;font-size:16px;font-weight:700;color:var(--text-1)}

.support-topics-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:10px}
.support-topic-card{display:flex;align-items:center;gap:12px;padding:16px 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;text-align:left;cursor:pointer;transition:border-color .2s,transform .2s,box-shadow .2s}
.support-topic-card:hover{border-color:var(--primary-border);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.support-topic-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex-shrink:0}
.support-topic-icon-blue{background:rgba(59,130,246,0.1);color:#3B82F6}
.support-topic-icon-green{background:rgba(16,185,129,0.1);color:#10B981}
.support-topic-icon-purple{background:var(--primary-bg);color:var(--primary)}
.support-topic-icon-orange{background:rgba(245,158,11,0.1);color:#F59E0B}
.support-topic-text{display:flex;flex-direction:column;gap:3px;min-width:0}
.support-topic-text strong{font-size:13px;font-weight:700;color:var(--text-1);line-height:1.2}
.support-topic-text span{font-size:11px;color:var(--text-3);line-height:1.3}

.support-recent-section{background:var(--bg-card);border-radius:20px;padding:18px 16px;box-shadow:var(--shadow-sm)}
.support-recent-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.support-all-link{background:none;border:none;color:var(--primary);font-size:13px;font-weight:600;cursor:pointer}
.support-empty-recent{display:flex;flex-direction:column;align-items:center;text-align:center;padding:20px 0;gap:10px;color:var(--text-3)}
.support-empty-icon{width:60px;height:60px;border-radius:50%;background:var(--bg-page);display:grid;place-items:center;color:var(--text-3)}
.support-empty-recent p{margin:0;font-size:14px;font-weight:700;color:var(--text-2)}
.support-empty-recent span{font-size:13px;line-height:1.5;max-width:260px}

.support-home-actions{display:flex;flex-direction:column;gap:10px}
.support-create-btn{height:52px;border-radius:16px;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:8px;width:100%;background:var(--primary);color:#fff;border:none;cursor:pointer;box-shadow:0 8px 24px rgba(96,89,232,0.25);transition:background .2s,transform .2s}
.support-create-btn:hover{background:var(--primary-hover);transform:translateY(-1px)}
.support-knowledge-btn{height:50px;border-radius:16px;font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px;width:100%;background:var(--bg-card);color:var(--text-2);border:1px solid var(--border);cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.support-knowledge-btn:hover{background:var(--primary-bg);border-color:var(--primary-border);color:var(--primary)}

/* Recent ticket items in home */
.support-recent-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:var(--bg-page);margin-bottom:8px;cursor:pointer;transition:border-color .15s}
.support-recent-item:hover{border-color:var(--primary-border)}
.support-recent-item-title{font-size:13px;font-weight:700;color:var(--text-1)}
.support-recent-item-meta{font-size:11px;color:var(--text-3);margin-top:2px}
.support-recent-item-arrow{color:var(--text-3);font-size:16px}

/* ── Main panel (form + chat) ── */
.support-main-panel{display:none}
.support-back-btn{display:none;align-items:center;gap:6px;background:none;border:none;color:var(--primary);font-size:14px;font-weight:600;cursor:pointer;margin-bottom:16px;padding:0}
.support-main-inner{display:grid;grid-template-columns:320px minmax(0,1fr);gap:16px}

/* Shared panel style */
.panel{background:var(--bg-card)!important;border:1px solid var(--border)!important;border-radius:22px!important;box-shadow:var(--shadow-md)!important}

/* Sidebar */
.support-sidebar{padding:24px 20px}
.support-head h1{margin:14px 0 6px;font-size:22px;font-weight:800;color:var(--text-1)}
.support-head p{margin:0;color:var(--text-2);font-size:14px;line-height:1.5}
.support-form{margin-top:20px;display:grid;gap:14px}
.support-form label{display:grid;gap:7px;color:var(--text-1);font-size:13px;font-weight:600}
.support-form input,.support-form textarea,.reply-form textarea{width:100%;border:1px solid var(--border-strong);border-radius:12px;background:var(--bg-page);color:var(--text-1);outline:none;font:500 14px/1.4 Inter,sans-serif;transition:border-color .18s,box-shadow .18s}
.support-form input{height:46px;padding:0 13px}
.support-form textarea{min-height:150px;padding:12px 13px;resize:vertical}
.support-form input:focus,.support-form textarea:focus,.reply-form textarea:focus{border-color:var(--primary)!important;box-shadow:0 0 0 3px var(--primary-bg)!important;background:var(--bg-card)!important}
.support-form input::placeholder,.support-form textarea::placeholder,.reply-form textarea::placeholder{color:var(--text-3)}
.primary-button{border:0;border-radius:13px;background:var(--primary);color:#fff;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(96,89,232,0.22);transition:transform .15s,background .2s}
.primary-button:hover{background:var(--primary-hover);transform:translateY(-1px)}
.support-form .primary-button{height:48px;font-size:14px;width:100%;margin-top:2px}

/* Chat */
.support-chat{padding:20px 22px;display:flex;flex-direction:column}
.support-chat-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 0 16px;border-bottom:1px solid var(--border);margin-bottom:14px}
.support-chat-head h2{margin:0;font-size:18px;font-weight:800;color:var(--text-1)}
.ticket-status{min-width:60px;height:32px;padding:0 12px;border-radius:999px;display:grid;place-items:center;background:var(--bg-page);color:var(--text-2);font-size:12px;font-weight:700;border:1px solid var(--border)}
.support-layout{min-height:0;flex:1;display:grid;grid-template-columns:220px minmax(0,1fr);gap:14px}
.ticket-list{min-height:0;overflow:auto;padding:8px;background:var(--bg-page)!important;border:1px solid var(--border)!important;border-radius:16px!important;box-shadow:none!important}
.ticket-list::-webkit-scrollbar,.ticket-thread::-webkit-scrollbar{width:5px}
.ticket-list::-webkit-scrollbar-thumb,.ticket-thread::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:999px}
.ticket-item{width:100%;border:1px solid var(--border)!important;text-align:left;cursor:pointer;margin:0 0 7px;padding:12px 11px;border-radius:12px!important;background:var(--bg-card)!important;color:var(--text-1);transition:background .15s,border-color .15s}
.ticket-item:hover{background:var(--primary-bg)!important;border-color:var(--primary-border)!important}
.ticket-item.active{background:var(--primary-bg)!important;border-color:var(--primary)!important}
.ticket-item h3{margin:0 0 5px;font-size:13px;font-weight:700;color:var(--text-1)}
.ticket-item p{margin:0;color:var(--text-3);font-size:11px}
.ticket-meta{margin-top:5px;color:var(--primary);font-size:10px;font-weight:600}
.ticket-thread-wrap{min-width:0;min-height:0;display:grid;grid-template-rows:minmax(0,1fr) auto;gap:10px}
.ticket-thread{position:relative;overflow:auto;padding:14px 16px;background:var(--bg-page)!important;border:1px solid var(--border)!important;border-radius:16px!important;min-height:200px}
.message{position:relative;max-width:min(520px,76%);margin:0 0 12px;padding:12px 14px;border-radius:14px;font-size:14px;line-height:1.5}
.message.user{margin-left:auto;background:var(--primary)!important;color:#fff!important;border:none!important;border-bottom-right-radius:5px}
.message.admin{margin-right:auto;background:var(--bg-card)!important;color:var(--text-1)!important;border:1px solid var(--border)!important;border-bottom-left-radius:5px}
.message-meta{margin-top:6px;font-size:11px;font-weight:600;opacity:0.6}
.message.user .message-meta{color:rgba(255,255,255,.7)}
.message.admin .message-meta{color:var(--text-3)}
.reply-form{padding:12px!important;background:var(--bg-page)!important;border:1px solid var(--border)!important;border-radius:16px!important;box-shadow:none!important;display:grid!important;grid-template-columns:minmax(0,1fr) 120px!important;gap:10px!important;align-items:end!important}
.reply-form textarea{min-height:80px;padding:10px 12px;resize:vertical;border-radius:10px;background:var(--bg-card)!important;border:1px solid var(--border)!important}
.reply-form .primary-button{height:52px!important;font-size:14px!important;border-radius:12px!important}
.empty-state{height:100%;min-height:120px;display:grid;place-items:center;text-align:center;color:var(--text-3);font-size:14px;font-weight:600}

/* Modal */
.modal-backdrop.hidden{display:none!important}

/* ── DESKTOP ≥ 769px: 2-column layout ── */
@media(min-width:769px){

  /* Wrapper: left sidebar | main area */
  .support-wrapper{
    display:grid;
    grid-template-columns:clamp(210px,21vw,270px) minmax(0,1fr);
    gap:20px;
    padding:20px 24px;
    align-items:start;
  }

  /* ── Left: home/topics/recent as sticky sidebar ── */
  .support-home{
    display:flex!important;
    flex-direction:column;
    gap:14px;
    max-width:none;
    margin:0;
    position:sticky;
    top:calc(3.875rem + 16px);
    max-height:calc(100vh - 3.875rem - 32px);
    overflow-y:auto;
    scrollbar-width:thin;
    scrollbar-color:rgba(0,0,0,0.1) transparent;
  }
  .support-home::-webkit-scrollbar{width:4px}
  .support-home::-webkit-scrollbar-thumb{background:rgba(0,0,0,0.12);border-radius:999px}

  /* Compact hero for narrow sidebar */
  .support-home-hero{padding:14px;gap:0}
  .support-home-icon{display:none}
  .support-home-title{font-size:16px}
  .support-home-subtitle{font-size:12px}

  /* Desktop: hide redundant sidebar elements */
  .support-recent-section{display:none!important}
  .support-home-actions{display:none!important}
  .support-head .support-badge{display:none!important}

  /* Topics: 1 column, no descriptions */
  .support-topics-grid{grid-template-columns:1fr;gap:7px;margin-top:8px}
  .support-topic-card{padding:10px;gap:9px}
  .support-topic-icon{width:34px;height:34px}
  .support-topic-text strong{font-size:12px}
  .support-topic-text span{display:none}

  /* ── Right: main panel, full-height sticky grid ── */
  .support-main-panel{display:block!important;min-width:0}
  .support-back-btn{display:none!important}

  .support-main-inner{
    display:grid;
    grid-template-columns:clamp(220px,28%,300px) minmax(0,1fr);
    gap:16px;
    height:calc(100vh - 3.875rem - 40px);
    position:sticky;
    top:calc(3.875rem + 16px);
  }

  /* Form panel: scrollable */
  .support-sidebar{
    overflow-y:auto;
    height:100%;
    scrollbar-width:thin;
    scrollbar-color:rgba(0,0,0,0.1) transparent;
  }
  .support-sidebar::-webkit-scrollbar{width:4px}
  .support-sidebar::-webkit-scrollbar-thumb{background:rgba(0,0,0,0.12);border-radius:999px}

  /* Chat panel: fixed height flex column */
  .support-chat{
    overflow:hidden;
    display:flex;
    flex-direction:column;
    height:100%;
    padding:18px 18px 14px;
  }

  /* Ticket list | thread */
  .support-layout{
    flex:1;
    min-height:0;
    overflow:hidden;
    display:grid;
    grid-template-columns:175px minmax(0,1fr);
    gap:12px;
  }
  .ticket-list{overflow-y:auto;height:100%;min-height:0}
  .ticket-thread-wrap{
    display:grid;
    grid-template-rows:minmax(0,1fr) auto;
    gap:10px;
    min-height:0;
    overflow:hidden;
    height:100%;
  }
  .ticket-thread{overflow-y:auto;min-height:0;height:100%}
}

/* ── TABLET 769–1023px — narrower columns, looser spacing ── */
@media(min-width:769px) and (max-width:1023px){
  .support-wrapper{
    grid-template-columns:clamp(180px,22vw,240px) minmax(0,1fr);
    gap:14px;
    padding:14px 16px;
  }
  .support-main-inner{
    grid-template-columns:clamp(180px,30%,240px) minmax(0,1fr);
    gap:12px;
    height:calc(100vh - 3.875rem - 28px);
  }
  .support-layout{
    grid-template-columns:clamp(150px,32%,200px) minmax(0,1fr);
    gap:10px;
  }
  .support-home{
    top:calc(3.875rem + 12px);
    max-height:calc(100vh - 3.875rem - 24px);
  }
  .support-chat{padding:14px 14px 10px}
  .support-home-hero{padding:10px;gap:0}
}

/* ── MOBILE ── */
@media(max-width:768px){
  body{padding-bottom:70px}
  .support-wrapper{padding:14px 14px 20px;display:flex;flex-direction:column;gap:0}
  .support-home{display:flex}
  .support-main-panel{display:none}
  .support-main-panel.mobile-visible{display:block!important}
  .support-back-btn{display:inline-flex!important}
  .support-main-inner{grid-template-columns:1fr;gap:14px}
  .support-sidebar{padding:20px 16px}
  .support-sidebar h1{font-size:20px}
  .support-chat{padding:18px 16px}
  .support-chat-head h2{font-size:18px}
  .support-layout{grid-template-columns:1fr;gap:12px}
  .ticket-list{max-height:180px;display:flex;gap:8px;overflow-x:auto;overflow-y:hidden;padding:4px 0;align-items:center}
  .ticket-list .empty-state{min-width:100%;height:120px;flex-shrink:0}
  .ticket-item{min-width:200px;flex:0 0 200px;margin:0}
  .ticket-thread{max-height:55vh;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain}
  .reply-form{grid-template-columns:1fr!important}
  .reply-form .primary-button{width:100%!important}
  .message{max-width:88%!important}
  .support-topics-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:420px){
  .support-topics-grid{gap:8px}
  .support-topic-card{padding:12px 10px;gap:10px}
  .support-topic-icon{width:38px;height:38px}
  .support-topic-text strong{font-size:12px}
  .support-topic-text span{font-size:10px}
  .support-home-title{font-size:20px}
}

/* Recent tickets loading spinner */
.support-recent-loading{display:flex;justify-content:center;align-items:center;padding:24px 0}
.support-recent-loading::after{content:'';display:block;width:26px;height:26px;border-radius:50%;border:3px solid rgba(96,89,232,0.15);border-top-color:var(--primary);animation:supportSpin .8s linear infinite}
@keyframes supportSpin{to{transform:rotate(360deg)}}

/* Thread animations */
@keyframes msgFadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.ticket-thread.thread-switching{opacity:0;transform:translateY(-4px);transition:opacity .12s,transform .12s}
.ticket-thread.thread-entered{animation:msgFadeIn .24s cubic-bezier(.22,.61,.36,1) forwards}
.message{animation:msgFadeIn .22s cubic-bezier(.22,.61,.36,1) both}
.ticket-item{transition:background .18s,transform .18s,box-shadow .18s,border-color .15s}