/* =====================================================================
   DBERT Labs — Design System v2
   Font: Inter (body) + JetBrains Mono (numbers/code)
   Palette: #0b0b12 bg · #6366f1 primary · #06b6d4 accent · #f59e0b gold
   ===================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── Tokens ─────────────────────────────────────────────────────────── */
:root{
  --bg:#0b0b12; --bg2:#0f0f1a; --bg3:#131320; --surface:rgba(255,255,255,0.03);
  --surface2:rgba(255,255,255,0.055); --border:rgba(255,255,255,0.07); --border2:rgba(255,255,255,0.13);
  --text:#eaeaf4; --text2:#8080a8; --text3:#484868;
  --primary:#6366f1; --primary-h:#4f52d4; --primary-dim:rgba(99,102,241,0.13); --primary-glow:rgba(99,102,241,0.28);
  --accent:#06b6d4; --accent-dim:rgba(6,182,212,0.1);
  --gold:#f59e0b; --gold-dim:rgba(245,158,11,0.1);
  --green:#10b981; --green-dim:rgba(16,185,129,0.1);
  --red:#ef4444; --red-dim:rgba(239,68,68,0.1);
  --amber:#f59e0b; --amber-dim:rgba(245,158,11,0.1);
  --purple:#8b5cf6; --purple-dim:rgba(139,92,246,0.1);
  --success:#10b981; --error:#ef4444; --warning:#f59e0b;
  --font:'Inter',sans-serif; --mono:'JetBrains Mono',monospace;
  --radius-sm:5px; --radius:8px; --radius-lg:14px; --radius-xl:20px;
  --sidebar-w:224px; --shadow:0 4px 24px rgba(0,0,0,.45); --shadow-lg:0 8px 48px rgba(0,0,0,.55);
  /* legacy compat */
  --dark:var(--bg); --dark2:var(--bg2); --card-bg:var(--surface); --text-muted:var(--text2);
  --primary-dark:var(--primary-h); --secondary:var(--purple);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
img,svg{display:block;max-width:100%;}a{color:var(--primary);text-decoration:none;}
button,input,select,textarea{font-family:inherit;}
::-webkit-scrollbar{width:4px;height:4px;} ::-webkit-scrollbar-track{background:transparent;} ::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px;}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;border:none;cursor:pointer;transition:all .16s;text-decoration:none;white-space:nowrap;font-family:var(--font);}
.btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none;}
.btn-sm{padding:5px 11px;font-size:12px;} .btn-xs{padding:3px 8px;font-size:11px;} .btn-lg{padding:11px 24px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;} .btn-primary:hover{background:var(--primary-h);transform:translateY(-1px);box-shadow:0 4px 16px var(--primary-glow);}
.btn-accent{background:var(--accent);color:#0b0b12;} .btn-accent:hover{opacity:.9;}
.btn-outline{background:transparent;border:1px solid var(--border2);color:var(--text);} .btn-outline:hover{border-color:var(--primary);color:var(--primary);}
.btn-ghost{background:transparent;color:var(--text2);} .btn-ghost:hover{background:var(--surface2);color:var(--text);}
.btn-success{background:var(--green-dim);border:1px solid rgba(16,185,129,.22);color:var(--green);}
.btn-danger{background:var(--red-dim);border:1px solid rgba(239,68,68,.22);color:var(--red);}
.btn-warning{background:var(--amber-dim);border:1px solid rgba(245,158,11,.22);color:var(--amber);}
.btn-gold{background:var(--gold-dim);border:1px solid rgba(245,158,11,.22);color:var(--gold);}

/* ── Badges ──────────────────────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:20px;font-size:11px;font-weight:600;}
.badge-pending{background:var(--amber-dim);color:var(--amber);border:1px solid rgba(245,158,11,.18);}
.badge-selected,.badge-approved,.badge-active,.badge-paid{background:var(--green-dim);color:var(--green);border:1px solid rgba(16,185,129,.18);}
.badge-enrolled,.badge-submitted{background:var(--primary-dim);color:var(--primary);border:1px solid rgba(99,102,241,.18);}
.badge-rejected,.badge-inactive,.badge-expired{background:rgba(255,255,255,.04);color:var(--text3);border:1px solid var(--border);}
.badge-rework,.badge-processing{background:var(--amber-dim);color:var(--amber);border:1px solid rgba(245,158,11,.18);}

/* ── Forms ───────────────────────────────────────────────────────────── */
.form-group,.fg{margin-bottom:14px;}
.form-group label,.fg label{display:block;font-size:11px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.07em;margin-bottom:6px;}
.form-group input,.form-group select,.form-group textarea,.field,.fg input,.fg select,.fg textarea{
  width:100%;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:9px 12px;color:var(--text);font-size:13px;font-family:var(--font);outline:none;
  transition:border-color .16s,box-shadow .16s;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus,.field:focus,.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-dim);}
.form-group select option,.fg select option{background:var(--bg2);}
.form-group textarea,.fg textarea{resize:vertical;min-height:80px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;} .form-grid .full{grid-column:1/-1;}

/* ── Table ───────────────────────────────────────────────────────────── */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border);}
table{width:100%;border-collapse:collapse;font-size:13px;}
thead th{padding:9px 13px;text-align:left;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text3);background:var(--bg2);border-bottom:1px solid var(--border);white-space:nowrap;}
tbody td{padding:10px 13px;border-bottom:1px solid var(--border);color:var(--text);vertical-align:middle;}
tbody tr:last-child td{border-bottom:none;} tbody tr:hover td{background:rgba(255,255,255,.018);}

/* ── Modal ───────────────────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center;padding:16px;}
.modal-overlay.open{display:flex;}
.modal{background:var(--bg2);border:1px solid var(--border2);border-radius:var(--radius-xl);padding:26px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;position:relative;}
.modal-lg{max-width:700px;} .modal-sm{max-width:380px;}
.modal-close{position:absolute;top:12px;right:14px;background:none;border:none;color:var(--text3);font-size:20px;cursor:pointer;line-height:1;padding:2px;} .modal-close:hover{color:var(--text);}
.modal h3{font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:-.02em;}

/* ── Toast ───────────────────────────────────────────────────────────── */
.toast{position:fixed;bottom:20px;right:20px;z-index:9999;background:var(--bg3);border:1px solid var(--border2);color:var(--text);padding:10px 15px;border-radius:var(--radius);box-shadow:var(--shadow-lg);font-size:13px;font-weight:500;transform:translateY(60px);opacity:0;transition:all .22s;max-width:300px;pointer-events:none;}
.toast.show{transform:translateY(0);opacity:1;pointer-events:auto;}
.toast.success{border-left:3px solid var(--green);}
.toast.error{border-left:3px solid var(--red);}
.toast.warning{border-left:3px solid var(--amber);}

/* ── Sidebar ─────────────────────────────────────────────────────────── */
.sidebar{width:var(--sidebar-w);background:var(--bg2);border-right:1px solid var(--border);position:fixed;top:0;left:0;height:100vh;overflow-y:auto;z-index:50;display:flex;flex-direction:column;transition:transform .24s ease;}
.sidebar-logo{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:9px;}
.sidebar-logo img{height:24px;} .sidebar-logo span{font-size:13px;font-weight:700;letter-spacing:-.02em;}
.sidebar-user{padding:12px 16px;border-bottom:1px solid var(--border);}
.sidebar-user-name{font-size:13px;font-weight:600;} .sidebar-user-role{font-size:11px;color:var(--text2);margin-top:1px;}
.user-avatar,.avatar{width:32px;height:32px;border-radius:7px;background:linear-gradient(135deg,var(--primary),var(--purple));display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;flex-shrink:0;}
.sidebar-nav{flex:1;padding:6px 0;} .nav-section-label{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--text3);padding:12px 16px 4px;}
.nav-item{display:flex;align-items:center;gap:9px;padding:8px 16px;cursor:pointer;font-size:13px;font-weight:500;color:var(--text2);border-left:2px solid transparent;transition:background .14s,color .14s;text-decoration:none;}
.nav-item:hover{background:var(--surface2);color:var(--text);}
.nav-item.active{background:var(--primary-dim);color:var(--primary);border-left-color:var(--primary);font-weight:600;}
.nav-item .icon{font-size:14px;width:17px;text-align:center;flex-shrink:0;}
.nav-badge{margin-left:auto;background:var(--red);color:#fff;font-size:10px;font-weight:700;padding:1px 6px;border-radius:10px;min-width:17px;text-align:center;font-family:var(--mono);}
.nav-count{margin-left:auto;font-size:10px;color:var(--text3);background:var(--surface2);padding:1px 6px;border-radius:10px;font-family:var(--mono);}
.nav-count.hot{background:var(--red);color:#fff;}
.sidebar-footer{padding:12px 16px;border-top:1px solid var(--border);}
.logout-btn{width:100%;padding:8px;background:var(--red-dim);border:1px solid rgba(239,68,68,.18);color:var(--red);border-radius:var(--radius-sm);cursor:pointer;font-size:12px;font-weight:600;font-family:var(--font);transition:background .16s;}
.logout-btn:hover{background:rgba(239,68,68,.18);}

/* ── Main area ───────────────────────────────────────────────────────── */
.main{margin-left:var(--sidebar-w);flex:1;padding:24px 28px;min-height:100vh;}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border);}
.topbar h1{font-size:17px;font-weight:700;letter-spacing:-.02em;} .topbar-meta{font-size:12px;color:var(--text2);}
.tab-content{display:none;} .tab-content.active{display:block;animation:fadeIn .16s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}

/* ── Stat cards ──────────────────────────────────────────────────────── */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:11px;margin-bottom:20px;}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;position:relative;overflow:hidden;}
.stat-card::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.stat-card.green::after{background:var(--green);} .stat-card.gold::after{background:var(--gold);} .stat-card.red::after{background:var(--red);}
.stat-label,.stat-card-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text3);}
.stat-value,.stat-card-value{font-size:24px;font-weight:700;margin-top:6px;font-family:var(--mono);letter-spacing:-.03em;}
.stat-sub,.stat-card-sub{font-size:11px;color:var(--text2);margin-top:3px;}

/* ── Filter bar ──────────────────────────────────────────────────────── */
.filter-bar{display:flex;gap:7px;margin-bottom:13px;flex-wrap:wrap;align-items:center;}
.filter-bar select,.filter-bar input{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 10px;color:var(--text);font-size:12px;font-family:var(--font);outline:none;}
.filter-bar select:focus,.filter-bar input:focus{border-color:var(--primary);}
.filter-bar select option{background:var(--bg2);}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px;}
.section-title{font-size:13px;font-weight:600;letter-spacing:-.01em;}

/* ── Login overlay ───────────────────────────────────────────────────── */
.login-overlay{position:fixed;inset:0;background:var(--bg);z-index:999;display:flex;align-items:center;justify-content:center;}
.login-box{background:var(--surface);border:1px solid var(--border2);border-radius:var(--radius-xl);padding:38px 32px;width:100%;max-width:400px;box-shadow:var(--shadow-lg);}
.login-box h1{font-size:19px;font-weight:700;letter-spacing:-.03em;margin-bottom:4px;}
.login-box p{color:var(--text2);font-size:13px;margin-bottom:22px;}

/* ── Cards ───────────────────────────────────────────────────────────── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;}
.review-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;margin-bottom:11px;}
.review-card-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:9px;gap:11px;}
.review-card-title{font-size:13px;font-weight:700;letter-spacing:-.01em;}
.review-card-meta{font-size:12px;color:var(--text2);margin-top:2px;}
.review-links{display:flex;gap:7px;margin:9px 0;flex-wrap:wrap;}
.review-link{font-size:12px;color:var(--primary);text-decoration:none;border:1px solid var(--primary-dim);padding:2px 9px;border-radius:20px;}
.review-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px;}
.review-note{margin-top:9px;}

/* ── Misc ────────────────────────────────────────────────────────────── */
.empty{text-align:center;padding:36px;color:var(--text2);font-size:13px;}
.empty-icon{font-size:28px;margin-bottom:9px;}
.spinner{width:26px;height:26px;border:2px solid var(--border2);border-top-color:var(--primary);border-radius:50%;animation:spin .65s linear infinite;margin:0 auto;}
@keyframes spin{to{transform:rotate(360deg)}}
.loading{display:flex;flex-direction:column;align-items:center;gap:9px;padding:36px;color:var(--text2);font-size:13px;}
.domain-tag{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600;background:var(--primary-dim);color:var(--primary);}
.progress-bar{height:4px;background:rgba(255,255,255,.07);border-radius:2px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px;transition:width .4s;}
.score-bar{height:4px;background:rgba(255,255,255,.07);border-radius:2px;overflow:hidden;}
.score-bar-fill{height:100%;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.seats-bar{height:3px;background:rgba(255,255,255,.07);border-radius:2px;overflow:hidden;margin-top:5px;}
.seats-fill{height:100%;border-radius:2px;background:var(--accent);}
.mob-toggle,.hamburger{display:none;background:none;border:none;color:var(--text2);font-size:19px;cursor:pointer;}
.att-bar{height:4px;background:rgba(255,255,255,.07);border-radius:2px;overflow:hidden;}
.att-fill{height:100%;border-radius:2px;transition:width .5s;background:var(--primary);}
.att-fill.complete{background:var(--green);} .att-fill.warning{background:var(--amber);} .att-fill.danger{background:var(--red);}
.coin-pill{display:inline-flex;align-items:center;gap:5px;background:var(--surface2);border:1px solid var(--border);padding:5px 12px;border-radius:20px;font-size:12px;font-weight:700;font-family:var(--mono);}
.coin-pill.cash{color:var(--gold);} .coin-pill.blinc{color:var(--primary);}
.msg-bubble{max-width:68%;padding:8px 12px;border-radius:11px;font-size:13px;line-height:1.5;}
.msg-bubble.from-me{background:var(--primary);color:#fff;align-self:flex-end;border-bottom-right-radius:3px;}
.msg-bubble.from-them{background:var(--surface2);border:1px solid var(--border);align-self:flex-start;border-bottom-left-radius:3px;}
.messages-wrap{display:flex;height:calc(100vh - 168px);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;}
.msg-list{width:248px;border-right:1px solid var(--border);overflow-y:auto;flex-shrink:0;}
.thread-header{padding:10px 14px;border-bottom:1px solid var(--border);font-size:10px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.08em;}
.thread-preview{padding:10px 13px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .13s;}
.thread-preview:hover,.thread-preview.active{background:var(--primary-dim);}
.thread-title,.msg-contact-name{font-size:13px;font-weight:600;}
.thread-time,.msg-time{font-size:11px;color:var(--text3);}
.msg-unread{background:rgba(99,102,241,.06);}
.msg-contact-preview{font-size:12px;color:var(--text2);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.chat-wrap,.chat-panel{flex:1;display:flex;flex-direction:column;}
.chat-header{padding:11px 14px;border-bottom:1px solid var(--border);font-size:13px;font-weight:600;}
.chat-messages,.chat-area,.chat-body{flex:1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:7px;}
.chat-footer,.chat-input-row{padding:9px 13px;border-top:1px solid var(--border);display:flex;gap:7px;}
.chat-bubble-meta{font-size:10px;color:var(--text3);margin-top:2px;}
.chat-limit{font-size:11px;color:var(--text3);text-align:center;padding:3px;}
.chat-model-badge{font-size:10px;padding:2px 7px;border-radius:10px;background:var(--surface2);color:var(--text2);}
.lb-list{display:flex;flex-direction:column;gap:5px;}
.lb-item{display:flex;align-items:center;gap:10px;padding:10px 13px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:border-color .16s;}
.lb-item:hover{border-color:var(--primary);}
.lb-avatar{width:28px;height:28px;border-radius:6px;background:linear-gradient(135deg,var(--primary),var(--purple));display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;}
.lb-name{font-size:13px;font-weight:600;flex:1;}
.lb-score{font-size:12px;font-weight:700;color:var(--gold);font-family:var(--mono);}
.file-drop{border:1px dashed var(--border2);border-radius:var(--radius);padding:22px;text-align:center;cursor:pointer;transition:border-color .16s,background .16s;font-size:13px;color:var(--text2);}
.file-drop:hover{border-color:var(--primary);background:var(--primary-dim);}
.file-input{display:none;}
.upload-card{background:var(--surface);border:1px dashed var(--border2);border-radius:var(--radius-lg);padding:20px;text-align:center;cursor:pointer;transition:border-color .16s;}
.upload-card:hover{border-color:var(--primary);}
.cert-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;margin-bottom:9px;display:flex;justify-content:space-between;align-items:center;gap:13px;}
.appCheckbox,.enrollCheckbox{width:14px;height:14px;cursor:pointer;accent-color:var(--primary);}
.bulk-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;cursor:pointer;transition:border-color .16s;}
.bulk-card:hover{border-color:var(--primary);}
.bulk-card-icon{font-size:22px;margin-bottom:9px;} .bulk-card-title{font-size:13px;font-weight:700;margin-bottom:3px;} .bulk-card-desc{font-size:12px;color:var(--text2);}
.intern-avatar{width:28px;height:28px;border-radius:6px;background:linear-gradient(135deg,var(--primary),var(--purple));display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;flex-shrink:0;}
.company-avatar{width:28px;height:28px;border-radius:6px;background:linear-gradient(135deg,var(--accent),var(--primary));display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#0b0b12;flex-shrink:0;}
.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;}
.course-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;transition:border-color .16s;}
.course-card:hover{border-color:rgba(99,102,241,.28);}
.course-title{font-size:14px;font-weight:700;margin-bottom:5px;letter-spacing:-.01em;}
.course-meta{font-size:12px;color:var(--text2);display:flex;gap:12px;margin-bottom:12px;}
.course-actions{margin-top:12px;display:flex;gap:7px;}
.wallet-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:20px;}
.wallet-card-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text3);}
.wallet-card-value{font-size:28px;font-weight:700;margin-top:7px;letter-spacing:-.04em;font-family:var(--mono);}
.wallet-card-sub{font-size:11px;color:var(--text2);margin-top:3px;}
.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px;}
.cert-type-badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600;background:var(--gold-dim);color:var(--gold);margin-bottom:8px;}
.cert-intern-name{font-size:15px;font-weight:700;letter-spacing:-.02em;margin-bottom:3px;}
.cert-meta{font-size:12px;color:var(--text2);margin-bottom:11px;}
.cert-actions{display:flex;gap:7px;}
.pending-banner{background:var(--amber-dim);border:1px solid rgba(245,158,11,.2);border-radius:var(--radius);padding:11px 14px;font-size:13px;color:var(--amber);margin-bottom:14px;}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%);} .sidebar.open{transform:translateX(0);}
  .main{margin-left:0;padding:14px;padding-top:56px;}
  .stats-row{grid-template-columns:1fr 1fr;}
  .form-grid{grid-template-columns:1fr;}
  .mob-toggle,.hamburger{display:inline-flex;}
  .topbar h1{font-size:15px;}
}
@media(max-width:460px){
  .stats-row{grid-template-columns:1fr 1fr;}
  .modal{padding:18px 14px;}
}