:root {
  --ink: #0d0f14;
  --ink2: #3a3d47;
  --ink3: #7a7e8a;
  --surface: #f7f7f5;
  --card: #ffffff;
  --border: #e2e3e8;
  --accent: #1a56e8;
  --accent2: #0e3bbf;
  --teal: #0cbfad;
  --teal2: #089487;
  --amber: #f5a623;
  --red: #e8334a;
  --green: #19a86a;
  --purple: #7c4dff;
  --mono: 'DM Mono', monospace;
  --sans: 'Sora', sans-serif;
  --r: 10px;
  --r2: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
  --shadow2: 0 4px 20px rgba(0,0,0,.1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--sans);background:var(--surface);color:var(--ink);min-height:100vh;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
button{font-family:var(--sans);cursor:pointer;border:none;background:none}
input,textarea,select{font-family:var(--sans)}
a{color:inherit;text-decoration:none}
/* ── LAYOUT ── */
.app{display:flex;height:100vh;overflow:hidden}
.sidebar{width:260px;min-width:260px;background:var(--card);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:10;transition:transform .3s}
.main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}
/* ── SIDEBAR ── */
.sidebar-head{padding:18px 16px 12px;border-bottom:1px solid var(--border)}
.logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.logo-mark{width:34px;height:34px;background:var(--ink);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:-.5px;flex-shrink:0}
.logo-text{font-weight:600;font-size:15px;letter-spacing:-.3px}
.logo-sub{font-size:11px;color:var(--ink3);font-family:var(--mono)}
.user-badge{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--surface);border-radius:var(--r);cursor:pointer}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:600;flex-shrink:0}
.avatar.guest{background:var(--ink3)}
.user-info .name{font-size:13px;font-weight:500}
.user-info .role{font-size:11px;color:var(--ink3);font-family:var(--mono)}
.sidebar-nav{flex:1;overflow-y:auto;padding:12px 8px}
.nav-section{margin-bottom:20px}
.nav-label{font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink3);padding:0 8px;margin-bottom:6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;cursor:pointer;transition:background .15s;font-size:14px;color:var(--ink2);position:relative}
.nav-item:hover{background:var(--surface)}
.nav-item.active{background:var(--ink);color:#fff}
.nav-item .icon{font-size:16px;width:18px;text-align:center;flex-shrink:0}
.nav-item .badge{margin-left:auto;background:var(--accent);color:#fff;font-size:10px;font-family:var(--mono);padding:2px 7px;border-radius:20px;font-weight:500}
.nav-item.active .badge{background:rgba(255,255,255,.25)}
.sidebar-foot{padding:12px 8px;border-top:1px solid var(--border)}
/* ── TOPBAR ── */
.topbar{height:58px;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:16px;background:var(--card);flex-shrink:0}
.topbar-title{font-size:16px;font-weight:600;letter-spacing:-.3px;flex:1}
.topbar-sub{font-size:12px;color:var(--ink3);font-family:var(--mono)}
.topbar-actions{display:flex;align-items:center;gap:8px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r);font-size:13px;font-weight:500;transition:all .15s;cursor:pointer;border:none;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent2)}
.btn-ghost{background:transparent;color:var(--ink2);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--surface)}
.btn-icon{width:34px;height:34px;padding:0;justify-content:center;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--ink2)}
.btn-icon:hover{background:var(--surface)}
.hamburger{display:none}
/* ── CONTENT AREA ── */
.content{flex:1;overflow-y:auto;padding:24px}
/* ── PANELS ── */
.panel{display:none}
.panel.active{display:flex;flex-direction:column;height:100%}

/* ── HEXAGONAL MAIN PAGE BUTTON ── */
.hex-btn-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 20px 0 0;
}
.hex-btn {
  position: relative;
  width: 56px;
  height: 50px;
  background: var(--ink);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
}
.hex-btn:hover {
  background: var(--accent);
  transform: scale(1.08);
}
.hex-btn-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink2);
  font-family: var(--sans);
  letter-spacing: -0.2px;
  white-space: nowrap;
}

/* ── AUTH SCREEN ── */
#auth-panel{background:var(--card);align-items:center;justify-content:center;padding:40px 20px}
.auth-box{max-width:420px;width:100%;text-align:center}
.auth-logo{width:64px;height:64px;background:var(--ink);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;color:#fff;font-family:var(--mono);font-size:20px;font-weight:500}
.auth-title{font-size:26px;font-weight:700;letter-spacing:-.5px;margin-bottom:8px}
.auth-sub{color:var(--ink3);font-size:14px;margin-bottom:32px;line-height:1.6}
.auth-features{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:32px;text-align:left}
.auth-feat{background:var(--surface);border-radius:var(--r);padding:14px;font-size:13px}
.auth-feat .feat-icon{font-size:20px;margin-bottom:6px}
.auth-feat .feat-title{font-weight:600;font-size:12px;margin-bottom:2px}
.auth-feat .feat-desc{color:var(--ink3);font-size:11px}
.google-btn{width:100%;padding:13px;border:1px solid var(--border);border-radius:var(--r);background:var(--card);display:flex;align-items:center;justify-content:center;gap:12px;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;margin-bottom:16px}
.google-btn:hover{background:var(--surface);border-color:#ccc}
.g-logo{width:20px;height:20px}
.auth-note{font-size:11px;color:var(--ink3)}
/* ── SCROLL REVEAL ── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .5s ease,transform .5s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
/* ── WELCOME PAGE ── */
#welcome-panel{overflow-y:auto}
.welcome-sections{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-bottom:24px}
.welcome-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:22px;position:relative;transition:box-shadow .15s;cursor:pointer}
.welcome-card:hover{box-shadow:var(--shadow2)}
.welcome-card-icon{font-size:28px;margin-bottom:10px}
.welcome-card-title{font-size:15px;font-weight:600;margin-bottom:6px;letter-spacing:-.2px}
.welcome-card-desc{font-size:13px;color:var(--ink3);line-height:1.6}
.welcome-card-link{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--accent);font-weight:500;margin-top:10px;cursor:pointer}
.welcome-card-link:hover{text-decoration:underline}
.welcome-overview{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:24px;margin-bottom:24px}
.welcome-overview-title{font-size:16px;font-weight:600;margin-bottom:12px;letter-spacing:-.3px}
.welcome-overview-body{font-size:13px;color:var(--ink2);line-height:1.7}
.welcome-overview-body p{margin-bottom:12px}
.welcome-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-top:16px}
.welcome-step{background:var(--surface);border-radius:var(--r);padding:16px;text-align:center}
.welcome-step-num{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:14px;font-weight:600;margin:0 auto 10px}
.welcome-step-title{font-size:13px;font-weight:600;margin-bottom:4px}
.welcome-step-desc{font-size:11px;color:var(--ink3);line-height:1.5}
/* ── DASHBOARD ── */
#dash-panel .content{overflow-y:auto}
.dash-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:24px}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:16px 18px}
.stat-num{font-size:28px;font-weight:700;letter-spacing:-1px;font-family:var(--mono)}
.stat-label{font-size:12px;color:var(--ink3);margin-top:2px}
.stat-trend{font-size:11px;font-family:var(--mono);margin-top:8px}
.stat-trend.up{color:var(--green)}
.stat-trend.new{color:var(--accent)}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.section-title{font-size:14px;font-weight:600;letter-spacing:-.2px}
.activity-list{display:flex;flex-direction:column;gap:2px}
.activity-item{display:flex;align-items:flex-start;gap:12px;padding:10px 12px;border-radius:var(--r);transition:background .1s;cursor:pointer}
.activity-item:hover{background:var(--surface)}
.act-av{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;flex-shrink:0}
.act-body{flex:1;min-width:0}
.act-name{font-size:13px;font-weight:500}
.act-text{font-size:12px;color:var(--ink3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.act-time{font-size:11px;color:var(--ink3);font-family:var(--mono);flex-shrink:0}
.notice-board{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:16px;margin-bottom:20px}
.notice-item{padding:12px 0;border-bottom:1px solid var(--border)}
.notice-item:last-child{border-bottom:none;padding-bottom:0}
.notice-tag{display:inline-block;font-size:10px;font-family:var(--mono);font-weight:500;padding:2px 8px;border-radius:20px;margin-bottom:6px}
.tag-urgent{background:#fde8eb;color:#c0172e}
.tag-info{background:#e8effd;color:#1a3db8}
.tag-update{background:#e6fbf7;color:#0a6b5e}
.notice-title{font-size:14px;font-weight:600;margin-bottom:3px}
.notice-body{font-size:12px;color:var(--ink3)}
.notice-meta{font-size:11px;color:var(--ink3);font-family:var(--mono);margin-top:6px}
/* ── CHAT (SINGLE GROUP) ── */
#chat-panel{overflow:hidden}
.chat-layout{display:flex;flex:1;overflow:hidden;min-width:0}
.chat-main{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}
.chat-head{padding:12px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;background:var(--card);flex-shrink:0}
.chat-head-info{flex:1}
.chat-head-name{font-size:14px;font-weight:600}
.chat-head-desc{font-size:12px;color:var(--ink3)}
.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:4px}
.msg-group{display:flex;gap:10px;margin-bottom:12px}
.msg-group.mine{flex-direction:row-reverse}
.msg-av{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;flex-shrink:0;align-self:flex-end}
.msg-col{max-width:72%;display:flex;flex-direction:column;gap:4px}
.msg-group.mine .msg-col{align-items:flex-end}
.msg-sender{font-size:11px;color:var(--ink3);font-family:var(--mono);margin-bottom:2px;padding:0 4px}
.msg-group.mine .msg-sender{text-align:right}
.bubble{padding:9px 13px;border-radius:14px;font-size:13px;line-height:1.55;word-break:break-word;max-width:100%}
.bubble.other{background:var(--card);border:1px solid var(--border);border-bottom-left-radius:4px}
.bubble.mine{background:var(--accent);color:#fff;border-bottom-right-radius:4px}
.bubble.system{background:#fff8e8;border:1px solid #f5e0b0;color:#7a5a1a;font-size:12px;border-radius:var(--r);font-family:var(--mono)}
.bubble-attachment{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:10px 12px;display:flex;align-items:center;gap:10px;font-size:12px;margin-top:4px}
.attach-icon{font-size:22px}
.attach-info .attach-name{font-weight:500;font-size:12px}
.attach-info .attach-size{color:var(--ink3);font-size:11px}
.msg-time{font-size:10px;color:var(--ink3);font-family:var(--mono);padding:0 4px}
.typing-ind{font-size:12px;color:var(--ink3);padding:4px 16px;height:28px;font-style:italic}
.chat-input-area{padding:12px 16px;border-top:1px solid var(--border);background:var(--card);flex-shrink:0}
.chat-input-wrap{border:1px solid var(--border);border-radius:var(--r2);background:var(--surface);transition:border-color .15s}
.chat-input-wrap:focus-within{border-color:var(--accent);background:var(--card)}
.chat-input-toolbar{display:flex;gap:4px;padding:8px 10px 0}
.chat-input-toolbar button{width:28px;height:28px;border-radius:6px;color:var(--ink3);font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .1s;border:none;background:none}
.chat-input-toolbar button:hover{background:var(--border);color:var(--ink)}
.chat-textarea{width:100%;padding:8px 12px;background:transparent;border:none;resize:none;font-family:var(--sans);font-size:13px;color:var(--ink);min-height:44px;max-height:120px;outline:none;line-height:1.6}
.chat-input-foot{display:flex;align-items:center;justify-content:space-between;padding:6px 10px 8px}
.chat-attach-btn{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink3);cursor:pointer;padding:4px 8px;border-radius:6px;transition:background .12s}
.chat-attach-btn:hover{background:var(--border);color:var(--ink)}
.send-btn{width:32px;height:32px;border-radius:8px;background:var(--accent);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:14px;transition:all .15s}
.send-btn:hover{background:var(--accent2)}
.send-btn:disabled{background:var(--border);color:var(--ink3);cursor:not-allowed}
/* ── MEMBERS ── */
.members-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.member-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:16px;display:flex;flex-direction:column;align-items:center;text-align:center;transition:box-shadow .15s;cursor:pointer}
.member-card:hover{box-shadow:var(--shadow2);border-color:#c9cad1}
.member-av{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin-bottom:10px;position:relative}
.online-dot{position:absolute;bottom:2px;right:2px;width:11px;height:11px;background:var(--green);border-radius:50%;border:2px solid var(--card)}
.member-name{font-size:14px;font-weight:600;letter-spacing:-.2px;margin-bottom:2px}
.member-role{font-size:11px;color:var(--ink3);font-family:var(--mono);margin-bottom:8px}
.member-tags{display:flex;flex-wrap:wrap;gap:4px;justify-content:center}
.tag{font-size:10px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:2px 8px;color:var(--ink2)}
.member-stats{display:flex;gap:16px;margin-top:10px;padding-top:10px;border-top:1px solid var(--border);width:100%}
.mstat{text-align:center;flex:1}
.mstat-num{font-size:15px;font-weight:700;font-family:var(--mono)}
.mstat-label{font-size:10px;color:var(--ink3)}
/* ── NOTICES ── */
.notice-form{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:18px;margin-bottom:20px}
.form-group{margin-bottom:14px}
.form-label{font-size:12px;font-weight:500;margin-bottom:6px;display:block;color:var(--ink2)}
.form-input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--r);font-size:13px;background:var(--surface);color:var(--ink);transition:border-color .15s}
.form-input:focus{outline:none;border-color:var(--accent);background:var(--card)}
.form-select{appearance:none;padding-right:28px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237a7e8a' fill='none' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}
.form-textarea{min-height:80px;resize:vertical}
.notice-full-list{display:flex;flex-direction:column;gap:10px}
.notice-full-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:16px}
.notice-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:10px}
.notice-author{display:flex;align-items:center;gap:8px}
.notice-author-av{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600}
.notice-author-name{font-size:12px;font-weight:500}
.notice-full-title{font-size:15px;font-weight:600;margin-bottom:6px;letter-spacing:-.2px}
.notice-full-body{font-size:13px;color:var(--ink2);line-height:1.65}
.notice-actions{display:flex;gap:8px;margin-top:12px}
.react-btn{display:flex;align-items:center;gap:5px;padding:4px 10px;border:1px solid var(--border);border-radius:20px;font-size:12px;color:var(--ink3);cursor:pointer;transition:all .12s;background:none}
.react-btn:hover{background:var(--surface);border-color:#ccc;color:var(--ink)}
.react-btn.active{background:#e8effd;border-color:#b8cafe;color:var(--accent)}
/* ── REPO ── */
#repo-panel{overflow-y:auto}
.repo-hero{background:linear-gradient(135deg, #1a3a2a 0%, #0a6b5e 50%, #054739 100%);border-radius:var(--r2);padding:clamp(16px,3.5vw,28px);color:#fff;margin-bottom:20px;position:relative;overflow:hidden}
.repo-hero::before{content:'';position:absolute;top:-40px;right:-40px;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.03)}
.repo-title{font-size:clamp(15px,2.5vw,20px);font-weight:700;margin-bottom:6px;position:relative;z-index:1}
.repo-stats{display:flex;gap:20px;margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1);position:relative;z-index:1;flex-wrap:wrap}
.repo-sub{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;position:relative;z-index:1}
.repo-link-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:var(--teal);border-radius:var(--r);font-size:13px;font-weight:600;color:#fff;cursor:pointer;transition:background .15s;border:none;position:relative;z-index:1}
.repo-link-btn:hover{background:var(--teal2)}
.repo-stat{font-size:13px;color:rgba(255,255,255,.7);display:flex;align-items:center;gap:6px}
.repo-stat span{font-family:var(--mono);font-weight:500;color:#fff}
.readme-section{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:20px;margin-bottom:20px}
.readme-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.readme-title{font-size:16px;font-weight:600;display:flex;align-items:center;gap:8px}
.readme-body{font-size:13px;color:var(--ink2);line-height:1.7;padding:16px;background:var(--surface);border-radius:var(--r);border:1px solid var(--border)}
.readme-body p{margin-bottom:10px}
.readme-body code{font-family:var(--mono);font-size:12px;background:var(--card);padding:2px 6px;border-radius:4px;color:var(--accent)}
.readme-body pre{background:#f0f2f5;color:var(--ink2);border:1px solid var(--border);padding:14px 16px;border-radius:var(--r);font-family:var(--mono);font-size:12px;overflow-x:auto;margin:10px 0;line-height:1.7;white-space:pre;word-break:normal;-webkit-overflow-scrolling:touch}
.readme-body h3{font-size:14px;font-weight:600;margin:16px 0 8px;letter-spacing:-.2px}
.cheatsheet{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:20px;margin-bottom:20px}
.cheatsheet-title{font-size:16px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.cheatsheet-steps{display:flex;flex-direction:column;gap:12px}
.cheatsheet-step{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:16px;display:flex;gap:14px;align-items:flex-start}
.cheatsheet-step-num{width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:12px;font-weight:600;flex-shrink:0;margin-top:1px}
.cheatsheet-step-content{flex:1;min-width:0}
.cheatsheet-step-title{font-size:13px;font-weight:600;margin-bottom:4px}
.cheatsheet-step-desc{font-size:12px;color:var(--ink3);line-height:1.6;margin-bottom:6px}
.cheatsheet-step code{display:block;font-family:var(--mono);font-size:12px;background:#f0f2f5;color:var(--ink2);border:1px solid var(--border);padding:10px 14px;border-radius:6px;overflow-x:auto;line-height:1.6;margin-top:6px}
.cheatsheet-note{font-size:11px;color:var(--ink3);margin-top:8px;padding:10px 14px;background:#fff8e8;border:1px solid #f5e0b0;border-radius:var(--r);line-height:1.5}

/* ── NOTES UPLOAD ZONE ── */
.upload-zone{border:2px dashed var(--border);border-radius:var(--r);padding:16px 20px;display:flex;align-items:center;gap:14px;cursor:pointer;transition:all .15s;background:var(--surface);margin-bottom:16px}
.upload-zone:hover{border-color:var(--accent);background:#e8effd}
.upload-zone-icon{font-size:28px;flex-shrink:0;opacity:.6}
.upload-zone-text{flex:1;min-width:0}
.upload-zone-title{font-size:13px;font-weight:600;margin-bottom:2px}
.upload-zone-sub{font-size:11px;color:var(--ink3)}
.download-btn{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border:1px solid var(--border);border-radius:20px;font-size:12px;color:var(--accent);cursor:pointer;transition:all .12s;background:none}
.download-btn:hover{background:#e8effd;border-color:var(--accent)}
.notes-file-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);margin-bottom:8px;transition:box-shadow .12s}
.notes-file-item:hover{box-shadow:var(--shadow)}
.notes-file-icon{font-size:28px;flex-shrink:0}
.notes-file-info{flex:1;min-width:0}
.notes-file-name{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.notes-file-meta{font-size:11px;color:var(--ink3);font-family:var(--mono)}
.notes-file-actions{display:flex;gap:6px;flex-shrink:0}

/* ── OVERLAY / MODAL ── */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.overlay.show{display:flex}
.modal{background:var(--card);border-radius:var(--r2);width:100%;max-width:480px;box-shadow:var(--shadow2);overflow:hidden}
.modal-head{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:16px;font-weight:600}
.modal-close{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink3);transition:all .12s;border:none;background:none}
.modal-close:hover{background:var(--surface);color:var(--ink)}
.modal-body{padding:20px}
.modal-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
/* ── TOAST ── */
.toast-container{position:fixed;bottom:20px;right:20px;z-index:200;display:flex;flex-direction:column;gap:8px;max-width:calc(100vw - 40px)}
.toast{background:var(--ink);color:#fff;padding:11px 16px;border-radius:var(--r);font-size:13px;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow2);animation:slideIn .25s ease;max-width:320px}
.toast.success{background:var(--green)}
.toast.error{background:var(--red)}
@keyframes slideIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
/* ── EMPTY STATES ── */
.empty{text-align:center;padding:48px 20px;color:var(--ink3)}
.empty-icon{font-size:36px;margin-bottom:12px;opacity:.4}
.empty-title{font-size:15px;font-weight:500;margin-bottom:6px;color:var(--ink2)}
.empty-sub{font-size:13px}
/* ── UTILITY ── */
.flex{display:flex}.items-center{align-items:center}.gap-2{gap:8px}.gap-3{gap:12px}.flex-1{flex:1}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:16px}.mt-4{margin-top:24px}.mb-3{margin-bottom:16px}.text-sm{font-size:13px}.text-xs{font-size:11px}.text-muted{color:var(--ink3)}.font-mono{font-family:var(--mono)}.fw-600{font-weight:600}.separator{height:1px;background:var(--border);margin:16px 0}
/* ══════════════════════════════════════════════
   RESPONSIVE SYSTEM
   Breakpoints:
     xs  < 480px
     sm  480–719px
     md  720–1023px
     lg  1024px+
   ══════════════════════════════════════════════ */

.welcome-hero {
  padding: clamp(24px,5vw,52px);
  border-radius: var(--r2);
  background: linear-gradient(135deg, #0d1b4e 0%, #1a3db8 45%, #0a2d6e 80%, #062040 100%);
  position: relative;
  overflow: hidden;
  margin-bottom: 28px;
  color: #fff;
}
.welcome-hero-title {
  font-size: clamp(20px,4vw,32px);
  font-weight: 700;
  letter-spacing: -.5px;
  line-height: 1.2;
  margin-bottom: 14px;
  position: relative; z-index: 1;
}
.welcome-hero-sub {
  font-size: clamp(13px,2.5vw,15px);
  color: rgba(255,255,255,.65);
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 640px;
  position: relative; z-index: 1;
}
.welcome-hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  position: relative; z-index: 1;
}

.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.grid-auto-200 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 12px; }
.grid-auto-240 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 12px; }
.grid-auto-260 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 14px; }
.grid-auto-280 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 16px; }

.stats-row { display: grid; grid-template-columns: repeat(5,1fr); gap: 10px; margin-bottom: 28px; }
.eq-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin-top: 12px; }
.tier-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 14px; }
.phase-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.spec-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 16px; }

@media (max-width: 719px) {
  .app { position: relative }
  .sidebar { position: fixed; top:0; left:0; height:100%; z-index:50; transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); box-shadow:var(--shadow2); }
  .hamburger { display:flex; align-items:center; justify-content:center; width:36px; height:36px; border-radius:8px; border:1px solid var(--border); background:transparent; color:var(--ink2); font-size:18px; cursor:pointer; flex-shrink:0; }
  .topbar { padding:0 12px; gap:10px; }
  .content { padding:14px; }
  .btn span.hide-mobile { display:none; }
  .topbar-actions .btn-primary { padding:7px 12px; font-size:13px; }
  .welcome-hero { border-radius:12px; }
  .welcome-hero-actions { flex-direction:column; }
  .welcome-hero-actions button { width:100%; justify-content:center; }
  .stats-row       { grid-template-columns: repeat(2,1fr); }
  .eq-grid         { grid-template-columns: 1fr; }
  .tier-grid       { grid-template-columns: 1fr; }
  .phase-grid      { grid-template-columns: 1fr; }
  .spec-grid       { grid-template-columns: repeat(2,1fr); }
  .grid-2          { grid-template-columns: 1fr; }
  .grid-auto-200   { grid-template-columns: 1fr; }
  .grid-auto-240   { grid-template-columns: 1fr; }
  .grid-auto-260   { grid-template-columns: 1fr; }
  .grid-auto-280   { grid-template-columns: 1fr; }
  .dash-grid       { grid-template-columns: repeat(2,1fr); }
  .welcome-sections{ grid-template-columns: 1fr; gap:10px; }
  .welcome-steps   { grid-template-columns: 1fr; }
  .welcome-card    { padding:16px; }
  .members-grid    { grid-template-columns: repeat(auto-fill,minmax(150px,1fr)); }
  .chat-main       { flex:1; }
  pre              { font-size:11px; }
}

@media (max-width: 400px) {
  .stats-row  { grid-template-columns: repeat(2,1fr); }
  .spec-grid  { grid-template-columns: 1fr; }
  .dash-grid  { grid-template-columns: 1fr; }
  .content    { padding:12px; }
}

@media (min-width: 720px) and (max-width: 1023px) {
  .sidebar { width:220px; min-width:220px; }
  .stats-row    { grid-template-columns: repeat(3,1fr); }
  .spec-grid    { grid-template-columns: repeat(2,1fr); }
  .tier-grid    { grid-template-columns: repeat(2,1fr); }
  .phase-grid   { grid-template-columns: repeat(2,1fr); }
  .eq-grid      { grid-template-columns: repeat(2,1fr); }
}

@media (min-width: 1440px) {
  .sidebar { width:280px; min-width:280px; }
  .content { padding:32px 40px; }
}

/* ── ONBOARDING SCREEN ── */
#onboarding-screen{position:fixed;inset:0;background:var(--surface);z-index:150;display:none;align-items:center;justify-content:center;padding:20px;overflow-y:auto}
.onboard-box{max-width:520px;width:100%;animation:slideUp .4s ease}
@keyframes slideUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
.onboard-header{text-align:center;margin-bottom:28px}
.onboard-avatar-wrap{position:relative;display:inline-block;margin-bottom:18px}
.onboard-avatar{width:80px;height:80px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px;font-weight:700;font-family:var(--mono);margin:0 auto;cursor:pointer;transition:opacity .15s;border:3px solid var(--border)}
.onboard-avatar:hover .av-edit-hint{opacity:1}
.av-edit-badge{position:absolute;bottom:0;right:0;width:26px;height:26px;background:var(--ink);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;border:2px solid var(--surface);cursor:pointer}
.onboard-welcome{font-size:22px;font-weight:700;letter-spacing:-.4px;margin-bottom:6px}
.onboard-sub{font-size:13px;color:var(--ink3);line-height:1.6}
.onboard-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:28px;box-shadow:var(--shadow2)}
.onboard-section{margin-bottom:22px}
.onboard-section-label{font-size:11px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--ink3);margin-bottom:12px;font-family:var(--mono)}
.onboard-field{margin-bottom:14px}
.onboard-field label{font-size:12px;font-weight:500;color:var(--ink2);display:block;margin-bottom:5px}
.onboard-field input,.onboard-field textarea,.onboard-field select{width:100%;padding:10px 13px;border:1px solid var(--border);border-radius:var(--r);font-size:13px;font-family:var(--sans);background:var(--surface);color:var(--ink);transition:border-color .15s;resize:none}
.onboard-field input:focus,.onboard-field textarea:focus,.onboard-field select:focus{outline:none;border-color:var(--accent);background:var(--card)}
.onboard-field .field-hint{font-size:11px;color:var(--ink3);margin-top:4px}
.skills-input-wrap{display:flex;gap:8px}
.skills-input-wrap input{flex:1}
.skills-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;min-height:0}
.skill-chip{display:inline-flex;align-items:center;gap:5px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:3px 10px;font-size:12px;color:var(--ink2)}
.skill-chip button{background:none;border:none;color:var(--ink3);cursor:pointer;font-size:13px;line-height:1;padding:0;display:flex;align-items:center}
.skill-chip button:hover{color:var(--red)}
.color-row{display:flex;gap:8px;flex-wrap:wrap}
.color-swatch{width:28px;height:28px;border-radius:50%;cursor:pointer;border:3px solid transparent;transition:transform .12s,border-color .12s}
.color-swatch:hover{transform:scale(1.15)}
.color-swatch.selected{border-color:var(--ink)}
.onboard-actions{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.btn-onboard-primary{width:100%;padding:13px;background:var(--accent);color:#fff;border:none;border-radius:var(--r);font-size:14px;font-weight:600;font-family:var(--sans);cursor:pointer;transition:background .15s}
.btn-onboard-primary:hover{background:var(--accent2)}
.btn-onboard-skip{width:100%;padding:11px;background:transparent;color:var(--ink3);border:1px solid var(--border);border-radius:var(--r);font-size:13px;font-weight:500;font-family:var(--sans);cursor:pointer;transition:all .15s}
.btn-onboard-skip:hover{background:var(--surface);color:var(--ink2)}
.onboard-progress{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:20px}
.onboard-dot{width:7px;height:7px;border-radius:50%;background:var(--border)}
.onboard-dot.active{background:var(--accent);width:20px;border-radius:4px}