@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
:root {
  --bg:#F7F5F0;--surface:#fff;--surface2:#F0EDE7;--border:#E2DDD5;--border2:#C8C0B5;
  --text:#1A1714;--text2:#6B6560;--text3:#9C978F;
  --accent:#2D5A3D;--al:#E8F2EB;--am:#4A8C61;
  --gold:#B8860B;--gl:#FBF5E0;--blue:#1C4E80;--bl:#E8F0F8;
  --red:#8B2020;--rl:#F9EDED;--purple:#5B3A7E;--pl:#F0EBF8;
  --r:12px;--rs:8px;--rl2:16px;
  --sh:0 2px 8px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
  --shm:0 8px 24px rgba(0,0,0,.10),0 2px 6px rgba(0,0,0,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:15px;line-height:1.6}
.app{display:flex;min-height:100vh}
.sidebar{width:240px;background:#0F1A13;color:#fff;display:flex;flex-direction:column;position:fixed;top:0;right:0;bottom:0;z-index:100;overflow-y:auto;border-left:1px solid rgba(255,255,255,.06)}
.sidebar-logo{padding:22px 18px 18px;border-bottom:1px solid rgba(255,255,255,.07);display:flex;align-items:center;gap:10px}
.logo-mark{width:30px;height:30px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex-shrink:0}
.logo-name{font-weight:700;font-size:15px;letter-spacing:-.2px}.logo-sub{font-size:9px;letter-spacing:.8px;text-transform:uppercase;color:rgba(255,255,255,.3);margin-top:1px}
.logo-sub{font-size:11px;color:rgba(255,255,255,.4);margin-top:2px;letter-spacing:.5px;text-transform:uppercase}
.sidebar-nav{padding:10px 10px;flex:1}
.nav-section-label{font-size:9px;letter-spacing:1.5px;text-transform:uppercase;color:rgba(255,255,255,.25);padding:16px 10px 5px;font-weight:700}
.nav-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:8px;cursor:pointer;font-size:13.5px;font-weight:500;color:rgba(255,255,255,.5);transition:all .15s;margin-bottom:1px}
.nav-item:hover{background:rgba(255,255,255,.07);color:rgba(255,255,255,.9)}
.nav-item.active{background:rgba(255,255,255,.1);color:#fff;font-weight:600}.nav-icon svg{stroke:currentColor;transition:stroke .15s}
.nav-icon{width:18px;height:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.nav-badge{margin-right:auto;background:var(--gold);color:#fff;font-size:10px;font-weight:700;padding:2px 7px;border-radius:20px}
.sidebar-user{padding:14px 16px;border-top:1px solid rgba(255,255,255,.07);display:flex;align-items:center;gap:10px;cursor:pointer;transition:background .15s}.sidebar-user:hover{background:rgba(255,255,255,.05)}
.main{margin-right:240px;flex:1;min-height:100vh;display:flex;flex-direction:column}
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:0 32px;height:64px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:50}
.topbar-title{font-size:17px;font-weight:700;flex:1}
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:var(--rs);font-family:'Inter',sans-serif;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all .15s;white-space:nowrap;text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#245032}
.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border2)}.btn-secondary:hover{background:var(--surface2)}
.btn-ghost{background:transparent;color:var(--text2)}.btn-ghost:hover{background:var(--surface2)}
.btn-sm{padding:6px 13px;font-size:13px}
.btn-gold{background:var(--gold);color:#fff}.btn-gold:hover{background:#9a7009}
.page{display:none}.page.active{display:block}
.page-content{padding:32px;max-width:1200px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:20px 22px;box-shadow:var(--sh)}
.stat-label{font-size:12px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.6px;margin-bottom:8px}
.stat-value{font-size:28px;font-weight:800;letter-spacing:-.5px;line-height:1}
.stat-change{font-size:12px;color:var(--text3);margin-top:6px}
.stat-change .up{color:#2D8A4E;font-weight:600}
.acg .stat-value{color:var(--accent)}.aco .stat-value{color:var(--gold)}.acb .stat-value{color:var(--blue)}.acp .stat-value{color:var(--purple)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden}
.card-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-title{font-size:15px;font-weight:700}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:right;padding:12px 20px;font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.6px;background:var(--surface2);border-bottom:1px solid var(--border)}
td{padding:14px 20px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--surface2)}
.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:700;white-space:nowrap}
.bg{background:var(--al);color:var(--accent)}.bb{background:var(--bl);color:var(--blue)}.br{background:var(--rl);color:var(--red)}.bo{background:var(--gl);color:var(--gold)}.bp{background:var(--pl);color:var(--purple)}.bgr{background:var(--surface2);color:var(--text3)}
.brief-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px;margin-bottom:32px}
.brief-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--rl2);box-shadow:var(--sh);padding:22px;cursor:pointer;transition:all .18s;position:relative;overflow:hidden}
.brief-card::before{content:'';position:absolute;top:0;right:0;width:4px;height:100%}
.brief-card.s-open::before{background:var(--accent)}.brief-card.s-pending::before{background:var(--gold)}.brief-card.s-active::before{background:var(--blue)}.brief-card.s-done::before{background:var(--text3)}
.brief-card:hover{box-shadow:var(--shm);transform:translateY(-2px)}
.brief-tags{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}
.brief-tag{padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;background:var(--surface2);color:var(--text2);border:1px solid var(--border)}
.brief-footer{display:flex;justify-content:space-between;align-items:center;padding-top:14px;border-top:1px solid var(--border);margin-top:12px;font-size:13px;color:var(--text3)}
.ai-panel{background:linear-gradient(135deg,#1A2E1F 0%,#2D5A3D 100%);border-radius:var(--rl2);padding:24px;color:#fff;margin-bottom:28px;position:relative;overflow:hidden}
.ai-panel::before{content:'';position:absolute;top:-40px;left:-40px;width:180px;height:180px;background:rgba(255,255,255,.04);border-radius:50%}
.ai-header{display:flex;align-items:center;gap:10px;margin-bottom:12px;position:relative;z-index:1}
.ai-icon{width:32px;height:32px;background:rgba(255,255,255,.15);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px}
.ai-title{font-weight:700;font-size:15px}.ai-sub{font-size:12px;opacity:.6}
.ai-insight{position:relative;z-index:1;font-size:14px;line-height:1.65;opacity:.9;margin-bottom:16px}
.ai-chips{display:flex;flex-wrap:wrap;gap:8px;position:relative;z-index:1}
.ai-chip{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:5px 13px;font-size:12px;font-weight:600;cursor:pointer;transition:all .15s}
.ai-chip:hover{background:rgba(255,255,255,.25);transform:translateY(-1px)}
.ai-chip.warn{background:rgba(184,134,11,.25);border-color:rgba(184,134,11,.5)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
label{font-size:13px;font-weight:600;color:var(--text2)}
input[type=text],input[type=number],input[type=email],input[type=password],input[type=date],select,textarea{width:100%;padding:11px 14px;border:1.5px solid var(--border2);border-radius:var(--rs);font-family:'Inter',sans-serif;font-size:14px;color:var(--text);background:var(--surface);transition:border-color .15s;outline:none;-webkit-appearance:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
textarea{resize:vertical;min-height:100px}
.asset-chip{padding:7px 14px;border-radius:20px;font-size:13px;font-weight:600;border:1.5px solid var(--border2);background:var(--surface);cursor:pointer;transition:all .15s;display:inline-block}
.asset-chip.selected{background:var(--al);border-color:var(--accent);color:var(--accent)}
.form-divider{border:none;border-top:1px solid var(--border);margin:28px 0}
.progress-steps{display:flex;align-items:center;gap:0;margin-bottom:32px}
.step{display:flex;align-items:center;flex:1;position:relative}
.step-circle{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0;position:relative;z-index:1}
.step-circle.done{background:var(--accent);color:#fff}.step-circle.active{background:var(--text);color:#fff}.step-circle.pending{background:var(--surface2);color:var(--text3);border:2px solid var(--border2)}
.step-line{flex:1;height:2px;background:var(--border);margin:0 -1px}.step-line.done{background:var(--accent)}
.step-label{position:absolute;top:40px;left:50%;transform:translateX(-50%);font-size:11px;font-weight:600;white-space:nowrap;color:var(--text3)}
.proposals-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}
.prop-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--rl2);padding:24px;position:relative}
.prop-card.winner{border-color:var(--accent)}
.vendor-avatar{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;color:#fff;flex-shrink:0}
.stars{color:#E0A800;font-size:13px;letter-spacing:-1px}
.prop-price{font-size:32px;font-weight:800;letter-spacing:-1px;margin:16px 0 8px}
.prop-metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:16px 0}
.metric-item{background:var(--surface2);border-radius:var(--rs);padding:10px 12px}
.metric-label{font-size:10px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.5px}
.metric-value{font-size:15px;font-weight:700;margin-top:2px}
.chat-layout{display:grid;grid-template-columns:260px 1fr;height:calc(100vh - 128px)}
.chat-list{border-left:1px solid var(--border);background:var(--surface);overflow-y:auto}
.chat-item{padding:14px 18px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .1s}
.chat-item:hover{background:var(--surface2)}.chat-item.active{background:var(--al);border-left:3px solid var(--accent)}
.chat-window{display:flex;flex-direction:column;background:var(--bg);height:100%;overflow:hidden}
.chat-messages{flex:1;min-height:0;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:14px}
#chat-input-area{flex-shrink:0;border-top:1px solid var(--border);padding:16px;background:var(--bg);display:flex;gap:10px;align-items:flex-end}
#chat-input{flex:1;resize:none;min-height:44px;max-height:120px;height:44px;overflow-y:auto;border:1px solid var(--border);border-radius:10px;padding:11px 14px;font-size:14px;line-height:1.5;background:var(--surface);color:var(--text);outline:none;font-family:inherit}
#chat-input:focus{border-color:var(--accent)}
.chat-send-btn{flex-shrink:0;width:40px;height:40px;border-radius:10px;background:var(--accent);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px}
.chat-send-btn:hover{background:var(--accent-dark,var(--accent));opacity:0.9}
.msg{max-width:68%;padding:12px 16px;border-radius:12px;font-size:14px;line-height:1.55}
.msg-in{background:var(--surface);border:1px solid var(--border);align-self:flex-end;border-bottom-right-radius:4px}
.msg-out{background:var(--accent);color:#fff;align-self:flex-start;border-bottom-left-radius:4px}
.msg-time{font-size:10px;opacity:.5;margin-top:4px}
.notif-item{display:flex;gap:14px;padding:16px 22px;border-bottom:1px solid var(--border);cursor:pointer;align-items:flex-start}
.notif-item:hover{background:var(--surface2)}.notif-item.unread{background:var(--al)}
.notif-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:6px;flex-shrink:0}
.notif-dot.read{background:transparent}
.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:24px}
.tab{padding:12px 20px;font-size:14px;font-weight:600;color:var(--text3);cursor:pointer;border-bottom:2px solid transparent;transition:all .15s}
.tab:hover{color:var(--text)}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.flex{display:flex}.flex-col{flex-direction:column}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}
.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}
.text-muted{color:var(--text3)}.text-sm{font-size:13px}.text-xs{font-size:11px}
.fw-700{font-weight:700}.fw-600{font-weight:600}
.align-center{align-items:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}
.w-full{width:100%}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.section-title{font-size:18px;font-weight:800;letter-spacing:-.3px}
.divider{border:none;border-top:1px solid var(--border);margin:24px 0}
.progress-bar-wrap{background:var(--surface2);border-radius:20px;height:6px;overflow:hidden;margin-top:6px}
.progress-bar{height:100%;border-radius:20px;background:var(--accent)}
/* AUTH */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:24px;width:100%}
.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--rl2);padding:40px;width:100%;max-width:460px;box-shadow:var(--shm)}
.role-cards{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-bottom:24px}
.role-card{border:2px solid var(--border2);border-radius:var(--r);padding:14px 10px;text-align:center;cursor:pointer;transition:all .15s}
.role-card:hover{border-color:var(--accent)}.role-card.selected{border-color:var(--accent);background:var(--al)}
.role-icon{font-size:24px;margin-bottom:6px}.role-name{font-size:12px;font-weight:700}
/* MODAL */
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:999;align-items:center;justify-content:center}
.modal-overlay.open{display:flex}
.modal-box{background:var(--surface);border-radius:var(--rl2);padding:32px;width:520px;max-width:92vw;box-shadow:var(--shm);max-height:85vh;overflow-y:auto}

/* ═══════════════════════════════════════════
   MOBILE RESPONSIVE — 390px iPhone standard
═══════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── App shell ── */
  .app-shell {
    grid-template-columns: 1fr !important;
    grid-template-rows: 56px 1fr !important;
  }

  /* ── Sidebar → bottom nav ── */
  .sidebar {
    position: fixed !important;
    bottom: 0 !important; left: 0 !important; right: 0 !important;
    top: auto !important;
    width: 100% !important;
    height: 60px !important;
    flex-direction: row !important;
    overflow: hidden !important;
    border-top: 1px solid var(--border) !important;
    border-right: none !important;
    z-index: 200 !important;
    padding: 0 !important;
    background: var(--surface) !important;
    justify-content: space-around !important;
    align-items: center !important;
  }

  /* Hide text labels in sidebar — show only icons */
  .nav-label { display: none !important; }
  .nav-section-title { display: none !important; }
  .sidebar-logo { display: none !important; }
  .sidebar-user { display: none !important; }

  /* Nav items horizontal */
  .nav-item {
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 6px 12px !important;
    min-width: 48px !important;
    border-radius: 8px !important;
    gap: 2px !important;
    font-size: 10px !important;
  }
  .nav-icon { font-size: 20px !important; margin: 0 !important; }

  /* Only show first 5 nav items */
  .nav-item:nth-child(n+6) { display: none !important; }

  /* ── Main content ── */
  .main-content {
    margin-left: 0 !important;
    margin-bottom: 60px !important;
    padding: 16px !important;
    min-height: calc(100vh - 116px) !important;
  }

  /* ── Topbar ── */
  .topbar {
    padding: 12px 16px !important;
    position: sticky !important; top: 0 !important; z-index: 100 !important;
  }
  .topbar-title { font-size: 18px !important; }
  .topbar-actions { gap: 8px !important; }
  .topbar-actions .btn { padding: 8px 14px !important; font-size: 13px !important; }

  /* ── Cards & grids ── */
  .stats-grid,
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .stat-card { padding: 16px !important; }
  .stat-value { font-size: 28px !important; }

  /* ── Brief cards ── */
  .brief-card { padding: 14px !important; }
  .brief-header { flex-direction: column !important; gap: 8px !important; }
  .brief-meta { flex-wrap: wrap !important; gap: 6px !important; }
  .brief-actions { flex-wrap: wrap !important; gap: 6px !important; }
  .brief-actions .btn { flex: 1 !important; min-width: 120px !important; }

  /* ── Bid comparison ── */
  .compare-grid { grid-template-columns: 1fr !important; gap: 12px !important; }
  .bid-card { padding: 14px !important; }
  .bid-header { flex-direction: column !important; gap: 8px !important; }

  /* ── Tables → cards ── */
  .table-wrap { overflow-x: auto !important; -webkit-overflow-scrolling: touch !important; }
  table { min-width: 500px !important; }

  /* ── Forms ── */
  .form-grid { grid-template-columns: 1fr !important; gap: 12px !important; }
  .form-field.full { grid-column: 1 !important; }
  .form-field input,
  .form-field textarea,
  .form-field select {
    font-size: 16px !important; /* Prevent iOS zoom */
  }

  /* ── Auth pages ── */
  .auth-box {
    margin: 16px !important;
    padding: 24px 20px !important;
    border-radius: 16px !important;
  }
  .role-grid { grid-template-columns: 1fr !important; gap: 8px !important; }
  .role-card { padding: 14px 16px !important; }

  /* ── Chat ── */
  .chat-layout { grid-template-columns: 1fr !important; }
  .chat-sidebar {
    height: 200px !important;
    border-right: none !important;
    border-bottom: 1px solid var(--border) !important;
    overflow-y: auto !important;
  }
  .chat-messages { height: calc(100vh - 420px) !important; }

  /* ── AI panel ── */
  .ai-panel { padding: 14px !important; }
  .ai-chips { flex-wrap: wrap !important; gap: 6px !important; }
  .ai-chip { font-size: 12px !important; padding: 6px 10px !important; }

  /* ── Modal ── */
  .modal-box {
    width: calc(100vw - 32px) !important;
    max-width: 100% !important;
    max-height: 90vh !important;
    overflow-y: auto !important;
    margin: 16px !important;
    border-radius: 16px !important;
  }

  /* ── Tabs ── */
  .tabs { overflow-x: auto !important; -webkit-overflow-scrolling: touch !important; white-space: nowrap !important; }
  .tab { padding: 10px 14px !important; font-size: 13px !important; }

  /* ── Vendor profile ── */
  .vendor-profile-header { flex-direction: column !important; gap: 12px !important; }
  .vendor-stats { grid-template-columns: repeat(2, 1fr) !important; }

  /* ── Earnings ── */
  .earnings-stats { grid-template-columns: repeat(2, 1fr) !important; }

  /* ── Admin ── */
  .admin-stats { grid-template-columns: repeat(2, 1fr) !important; gap: 10px !important; }

  /* ── Buttons ── */
  .btn-group { flex-direction: column !important; gap: 8px !important; }
  .btn-group .btn { width: 100% !important; }

  /* ── Typography ── */
  h1, .page-title { font-size: 22px !important; }
  h2 { font-size: 18px !important; }

  /* ── Progress steps ── */
  .steps-bar { overflow-x: auto !important; }
  .step-label { font-size: 10px !important; }

  /* ── Notifications ── */
  .notif-item { padding: 12px !important; gap: 10px !important; }
  .notif-icon { font-size: 18px !important; }

  /* ── File table ── */
  .file-row { flex-direction: column !important; gap: 8px !important; align-items: flex-start !important; }
  .file-actions { width: 100% !important; justify-content: flex-end !important; }

  /* ── Misc fixes ── */
  .prop-metrics { flex-wrap: wrap !important; gap: 6px !important; }
  .badge { font-size: 10px !important; }
  .section-title { font-size: 16px !important; }
  .card-title { font-size: 15px !important; }
}

/* ── Small phones ── */
@media (max-width: 375px) {
  .main-content { padding: 12px !important; }
  .stat-value { font-size: 24px !important; }
  .nav-item { padding: 4px 8px !important; min-width: 40px !important; }
}


/* ═══════════════════════════════
   MOBILE RESPONSIVE
═══════════════════════════════ */
@media (max-width: 768px) {

  /* Hamburger button */
  .mobile-menu-btn {
    display: flex !important;
    align-items: center; justify-content: center;
    width: 40px; height: 40px;
    background: var(--surface2);
    border: 1px solid var(--border2);
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    position: fixed;
    top: 14px; left: 14px;
    z-index: 200;
  }

  /* Overlay */
  .sidebar-overlay {
    display: block !important;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 149;
    opacity: 0; pointer-events: none;
    transition: opacity .25s;
  }
  .sidebar-overlay.active { opacity: 1; pointer-events: all; }

  /* Sidebar slides in from left */
  .sidebar {
    position: fixed !important;
    top: 0; left: 0; bottom: 0;
    z-index: 150;
    transform: translateX(-100%);
    transition: transform .25s ease;
    width: 260px !important;
    box-shadow: 4px 0 24px rgba(0,0,0,.4);
  }
  .sidebar.mobile-open { transform: translateX(0); }

  /* Main takes full width */
  .main {
    margin-left: 0 !important;
    padding: 70px 16px 24px !important;
    width: 100% !important;
  }

  /* Topbar adjustments */
  .topbar { padding: 14px 14px 14px 64px !important; }

  /* Cards stack vertically */
  .stats-grid { grid-template-columns: 1fr 1fr !important; gap: 10px !important; }
  .compare-grid { grid-template-columns: 1fr !important; }
  .form-grid { grid-template-columns: 1fr !important; }

  /* Tables scroll horizontally */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* Chat takes full height */
  .chat-panel { flex-direction: column !important; }
  .chat-list { width: 100% !important; max-height: 200px; border-right: none !important; border-bottom: 1px solid var(--border) !important; }

  /* Modals full screen */
  .modal-box { width: 95vw !important; max-height: 90vh; overflow-y: auto; }

  /* Chips wrap */
  .asset-chips { flex-wrap: wrap !important; }

  /* Bid form */
  .bid-form { padding: 16px !important; }

  /* AI chips */
  .ai-chips { flex-wrap: wrap !important; gap: 6px !important; }
  .ai-chip { font-size: 11px !important; padding: 6px 10px !important; }

  /* Vendor cards */
  .vendor-card { flex-direction: column !important; }

  /* Notification items */
  .notif-item { flex-direction: column !important; align-items: flex-start !important; gap: 8px !important; }
}

/* ── Desktop: hide mobile-only elements ── */
.mobile-menu-btn { display: none; }
.sidebar-overlay { display: none; }
.mobile-bottom-nav { display: none; }

/* ══════════════════════════════════════════════════
   MOBILE RESPONSIVE — max-width: 768px
   ══════════════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── Sidebar: hidden off-screen, slides in ── */
  .sidebar {
    position: fixed !important;
    top: 0; bottom: 0;
    right: -280px !important;
    left: auto !important;
    width: 260px !important;
    z-index: 1000 !important;
    transition: right .25s ease !important;
    box-shadow: none !important;
    border-left: 1px solid rgba(255,255,255,.08) !important;
  }
  .sidebar.mobile-open {
    right: 0 !important;
    box-shadow: -4px 0 32px rgba(0,0,0,.4) !important;
  }

  /* ── Overlay behind open sidebar ── */
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.55);
    z-index: 999;
    backdrop-filter: blur(2px);
  }
  .sidebar-overlay.active { display: block !important; }

  /* ── Main content: full width, no margin ── */
  .main {
    margin-right: 0 !important;
    width: 100% !important;
    min-width: 0 !important;
  }

  /* ── Hamburger button ── */
  .mobile-menu-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    position: fixed;
    top: 12px; right: 12px;
    z-index: 150;
    color: var(--text);
  }

  /* ── Topbar: space for hamburger on right ── */
  .topbar {
    padding-right: 60px !important;
    padding-left: 16px !important;
    min-height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg);
  }
  .topbar-title { font-size: 16px !important; }

  /* ── Page content padding ── */
  .page-content { padding: 12px 16px !important; }

  /* ── Dashboard KPI grids → 2 cols ── */
  #dash-advertiser > div[style*="grid-template-columns"],
  #dash-vendor > div[style*="grid-template-columns"] {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  /* ── Dashboard content grid → single col ── */
  #dash-tab-overview > div[style*="grid-template-columns:1fr 1fr"],
  #dash-tab-overview > div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* ── Finance tab → single col ── */
  #dash-tab-finance > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr 1fr !important;
  }

  /* ── Insight bar → stack ── */
  #dash-insights, #dv-insights {
    flex-direction: column !important;
  }

  /* ── Quick actions → wrap ── */
  .topbar + div[style*="flex"],
  div[style*="gap:8px"][style*="flex-wrap"] {
    flex-wrap: wrap !important;
  }

  /* ── Cards ── */
  .card { border-radius: 12px !important; }

  /* ── Chat layout → full screen list then messages ── */
  .chat-layout {
    grid-template-columns: 1fr !important;
    height: auto !important;
  }
  .chat-sidebar, #chat-sidebar {
    width: 100% !important;
    max-height: 220px !important;
    border-right: none !important;
    border-bottom: 1px solid var(--border) !important;
    overflow-y: auto !important;
  }

  /* ── Compare bids → stack ── */
  #compare-bids-container {
    flex-direction: column !important;
  }

  /* ── Settings tabs → smaller ── */
  .settings-tab {
    padding: 8px 10px !important;
    font-size: 12px !important;
  }

  /* ── New brief steps → hide labels ── */
  .step-label { display: none !important; }

  /* ── Auth card ── */
  .auth-card {
    width: calc(100vw - 32px) !important;
    margin: 16px auto !important;
    padding: 24px 20px !important;
    border-radius: 16px !important;
  }

  /* ── Tables → horizontal scroll ── */
  .table-wrap {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }

  /* ── Forms → single col ── */
  .form-grid,
  div[style*="grid-template-columns:1fr 1fr"],
  div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* ── Buttons ── */
  .btn { font-size: 13px !important; }
  .btn-sm { padding: 6px 12px !important; font-size: 12px !important; }

  /* ── Agent panel ── */
  #ge-agent-panel {
    width: calc(100vw - 24px) !important;
    right: 12px !important;
    bottom: 80px !important;
  }

  /* ── Bottom nav ── */
  .mobile-bottom-nav {
    display: flex !important;
    position: fixed !important;
    bottom: 0; left: 0; right: 0;
    background: var(--surface) !important;
    border-top: 1px solid var(--border) !important;
    z-index: 200 !important;
    padding: 6px 0 !important;
    padding-bottom: calc(6px + env(safe-area-inset-bottom)) !important;
    gap: 0 !important;
  }
  .mobile-bottom-nav a {
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 2px !important;
    font-size: 9px !important;
    color: var(--text3) !important;
    text-decoration: none !important;
    padding: 5px 0 !important;
    cursor: pointer !important;
    transition: color .15s !important;
  }
  .mobile-bottom-nav a.active { color: var(--accent) !important; }
  .mobile-bottom-nav a svg { width: 20px; height: 20px; }

  /* ── Add bottom padding so content clears bottom nav ── */
  .main { padding-bottom: 72px !important; }

  /* ── Dashboard tabs ── */
  #dtab-overview, #dtab-briefs, #dtab-finance {
    font-size: 12px !important;
    padding: 8px 10px !important;
  }
}

@media (max-width: 480px) {
  /* Extra small: 2-col KPIs still work, but squeeze gaps */
  .card { padding: 14px 12px !important; }
  #dash-advertiser > div[style*="grid-template-columns"],
  #dash-vendor > div[style*="grid-template-columns"] {
    gap: 8px !important;
  }
}

/* ── Toggle switch ── */
.toggle-wrap{position:relative;display:inline-block;width:44px;height:26px;flex-shrink:0;cursor:pointer}
.toggle-wrap input{opacity:0;width:0;height:0;position:absolute}
.toggle-track{position:absolute;inset:0;background:var(--border);border-radius:13px;transition:.25s;cursor:pointer}
.toggle-thumb{position:absolute;left:3px;top:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:.25s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.toggle-wrap input:checked ~ .toggle-track{background:var(--accent)}
.toggle-wrap input:checked ~ .toggle-track .toggle-thumb{transform:translateX(18px)}

#auth-screen{position:relative;z-index:1}
#auth-screen[style*="display: none"],#auth-screen[style*="display:none"]{display:none!important}
#app-shell{position:relative;z-index:1}

.drag-over{border-color:var(--accent)!important;background:var(--al)!important;color:var(--accent)!important;}

.notif-row:hover{background:var(--surface2)}
.notif-unread{background:var(--al)}

/* Deliverable chips */
.deliverable-chip{display:flex;align-items:center;gap:6px;padding:6px 14px;border:1.5px solid var(--border);border-radius:20px;cursor:pointer;font-size:13px;font-weight:500;user-select:none;transition:.15s}
.deliverable-chip:hover{border-color:var(--accent);background:var(--al)}
.deliverable-chip input{display:none}
.deliverable-chip:has(input:checked){border-color:var(--accent);background:var(--al);color:var(--accent)}


/* ══════════════════════════════════════════════════
   MOBILE RESPONSIVE
   ══════════════════════════════════════════════════ */


  .sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,.3);
  }

  /* Show hamburger menu */
  .mobile-menu-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--rs);
    cursor: pointer;
    font-size: 18px;
    position: fixed;
    top: 14px; left: 14px;
    z-index: 150;
  }

  /* Overlay when sidebar open */
  .sidebar-overlay.active {
    display: block !important;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 199;
  }

  /* Main area full width */
  .app-main {
    margin-left: 0 !important;
    width: 100% !important;
  }

  /* Topbar with space for hamburger */
  .topbar {
    padding-left: 60px !important;
    min-height: 56px;
  }

  /* Page content padding */
  .page-content {
    padding: 16px !important;
  }

  /* Cards full width */
  .card { border-radius: var(--rs) !important; }

  /* Auth card */
  .auth-card {
    padding: 24px !important;
    border-radius: 16px !important;
    margin: 0 8px;
  }

  /* Dashboard grid → 2 cols */
  #dash-advertiser > div:first-child,
  #dash-vendor > div:first-child {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Dashboard panels → single col */
  #dash-advertiser > div:last-child,
  #dash-vendor > div:last-child {
    grid-template-columns: 1fr !important;
  }

  /* Stats grid smaller */
  .stats-grid { grid-template-columns: repeat(2,1fr) !important; }

  /* Chat layout */
  .chat-layout { flex-direction: column !important; }
  .chat-list {
    width: 100% !important;
    max-height: 200px !important;
    border-right: none !important;
    border-bottom: 1px solid var(--border) !important;
  }

  /* Compare bids */
  #compare-bids-container .card > div:first-child {
    flex-direction: column !important;
  }

  /* Tables → card layout */
  .table-wrap table, .admin-table { display: none; }

  /* New brief progress steps */
  .progress-steps .step-label { display: none; }
  .step-line { flex: 1; }

  /* Role cards */
  .auth-card .role-card { padding: 12px 8px !important; }

  /* Settings tabs */
  .settings-tab { padding: 8px 10px !important; font-size: 12px !important; }

  /* Buttons smaller */
  .btn { padding: 7px 12px; font-size: 13px; }

  /* Topbar title */
  .topbar-title { font-size: 16px !important; }
}


  .auth-card { padding: 20px !important; }

  /* Dashboard stats → 2 col */
  #dash-advertiser > div:first-child,
  #dash-vendor > div:first-child {
    grid-template-columns: repeat(2,1fr) !important;
    gap: 10px !important;
  }

  /* Topbar actions hide text */
  .topbar .btn-primary span { display: none; }
}