/* ================================================================
   GyanKosh — Industrial Knowledge Management System
   Aesthetic: Technical precision + warm knowledge amber
   Fonts: Sora (headings) + JetBrains Mono (data) + Source Sans Pro (body)
================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;600;700;800&family=JetBrains+Mono:wght@400;500;700&family=Source+Sans+3:wght@300;400;600;700&display=swap');

:root {
  --bg:        #0d1117;
  --bg2:       #161b22;
  --bg3:       #1c2128;
  --bg4:       #21262d;
  --border:    #30363d;
  --border2:   #484f58;
  --gold:      #e6a817;
  --gold-dim:  rgba(230,168,23,0.12);
  --gold-glow: rgba(230,168,23,0.30);
  --cyan:      #39d0d8;
  --cyan-dim:  rgba(57,208,216,0.12);
  --green:     #3fb950;
  --red:       #f85149;
  --purple:    #bc8cff;
  --orange:    #f78166;
  --text:      #e6edf3;
  --text2:     #8b949e;
  --text3:     #484f58;
  --s1:        #e6a817; /* Knowledge - gold */
  --s2:        #39d0d8; /* Workflow - cyan */
  --s3:        #bc8cff; /* CNC - purple */
  --shadow:    0 8px 24px rgba(0,0,0,0.5);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --r:         8px;
  --r2:        12px;
  --tr:        all 0.18s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Source Sans 3',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}
::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:4px}

/* ── LOGIN ───────────────────────────────────────────────────── */
.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 30% 40%,rgba(230,168,23,0.06) 0%,transparent 60%),radial-gradient(ellipse at 70% 60%,rgba(57,208,216,0.04) 0%,transparent 60%),var(--bg)}
.login-card{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:44px 40px;width:400px;box-shadow:0 24px 64px rgba(0,0,0,0.6)}
.login-logo{margin-bottom:32px;text-align:center}
.login-logo .mark{font-family:'Sora',sans-serif;font-size:28px;font-weight:800;background:linear-gradient(135deg,var(--gold),#f5c842);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-0.5px}
.login-logo .sub{font-size:12px;color:var(--text2);letter-spacing:2px;text-transform:uppercase;margin-top:4px}

/* ── TOPBAR ──────────────────────────────────────────────────── */
.topbar{height:56px;background:var(--bg2);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:16px;position:sticky;top:0;z-index:200}
.brand{font-family:'Sora',sans-serif;font-size:18px;font-weight:800;background:linear-gradient(135deg,var(--gold),#f5c842);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-0.3px;white-space:nowrap}
.brand-sub{font-size:9px;color:var(--text3);letter-spacing:2px;text-transform:uppercase;margin-top:-2px}
.section-tabs{display:flex;gap:2px;background:var(--bg3);border-radius:var(--r);padding:3px;margin:0 8px}
.stab{padding:5px 16px;border-radius:6px;border:none;background:none;color:var(--text2);cursor:pointer;font-size:12px;font-weight:600;font-family:'Source Sans 3',sans-serif;transition:var(--tr);white-space:nowrap;display:flex;align-items:center;gap:6px}
.stab:hover{color:var(--text)}
.stab.s1.active{background:rgba(230,168,23,0.15);color:var(--gold)}
.stab.s2.active{background:rgba(57,208,216,0.12);color:var(--cyan)}
.stab.s3.active{background:rgba(188,140,255,0.12);color:var(--purple)}
.topbar-right{display:flex;align-items:center;gap:8px;margin-left:auto}

/* ── LAYOUT ──────────────────────────────────────────────────── */
.shell{display:flex;flex-direction:column;height:100vh}
.body-wrap{display:flex;flex:1;overflow:hidden}
.sidebar{width:230px;min-width:230px;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto}
.main{flex:1;overflow-y:auto;background:var(--bg)}

/* ── SIDEBAR ─────────────────────────────────────────────────── */
.sb-section{padding:14px 10px 6px}
.sb-label{font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:2px;text-transform:uppercase;color:var(--text3);padding:0 8px;margin-bottom:5px}
.nav-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:6px;cursor:pointer;color:var(--text2);font-size:13px;font-weight:500;transition:var(--tr);position:relative;user-select:none}
.nav-item:hover{background:var(--bg3);color:var(--text)}
.nav-item.active{color:var(--gold);background:var(--gold-dim)}
.nav-item.active::before{content:'';position:absolute;left:0;top:25%;bottom:25%;width:2px;background:var(--gold);border-radius:0 2px 2px 0}
.nav-item.s2.active{color:var(--cyan);background:var(--cyan-dim)}
.nav-item.s2.active::before{background:var(--cyan)}
.nav-item.s3.active{color:var(--purple);background:rgba(188,140,255,0.1)}
.nav-item.s3.active::before{background:var(--purple)}
.nav-badge{margin-left:auto;background:var(--bg3);border-radius:8px;padding:1px 6px;font-size:10px;font-family:'JetBrains Mono',monospace;color:var(--text3)}
.sb-divider{border:none;border-top:1px solid var(--border);margin:6px 10px}

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 15px;border-radius:var(--r);border:none;cursor:pointer;font-family:'Source Sans 3',sans-serif;font-size:13px;font-weight:600;transition:var(--tr);text-decoration:none;white-space:nowrap}
.btn-gold{background:var(--gold);color:#0d1117}
.btn-gold:hover{filter:brightness(1.1);transform:translateY(-1px)}
.btn-cyan{background:var(--cyan);color:#0d1117}
.btn-cyan:hover{filter:brightness(1.1)}
.btn-purple{background:var(--purple);color:#0d1117}
.btn-ghost{background:transparent;color:var(--text2);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--bg3);color:var(--text);border-color:var(--border2)}
.btn-danger{background:var(--red);color:#fff}
.btn-danger:hover{filter:brightness(1.1)}
.btn-sm{padding:4px 10px;font-size:12px}
.btn-icon{padding:6px;border-radius:6px}

/* ── FORMS ───────────────────────────────────────────────────── */
.form-row{margin-bottom:14px}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
label{display:block;font-size:11px;font-weight:700;letter-spacing:.5px;color:var(--text2);margin-bottom:5px;text-transform:uppercase}
input,select,textarea{width:100%;background:var(--bg3);border:1px solid var(--border);color:var(--text);padding:8px 11px;border-radius:var(--r);font-family:'Source Sans 3',sans-serif;font-size:13px;transition:var(--tr)}
input::placeholder,textarea::placeholder{color:var(--text3)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 2px var(--gold-dim)}
select option{background:var(--bg3)}
textarea{resize:vertical;min-height:80px}
.form-hint{font-size:11px;color:var(--text3);margin-top:4px}

/* ── MODAL ───────────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.75);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity 0.2s}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{background:var(--bg2);border:1px solid var(--border2);border-radius:var(--r2);padding:28px;width:90%;max-width:600px;max-height:92vh;overflow-y:auto;box-shadow:var(--shadow);transform:translateY(16px);transition:transform 0.2s}
.modal-overlay.open .modal{transform:translateY(0)}
.modal.wide{max-width:860px}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.modal-title{font-family:'Sora',sans-serif;font-size:17px;font-weight:700}
.modal-close{background:none;border:none;color:var(--text2);cursor:pointer;font-size:18px;padding:4px;border-radius:4px;transition:var(--tr)}
.modal-close:hover{color:var(--text);background:var(--bg3)}
.modal-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:22px;padding-top:16px;border-top:1px solid var(--border)}

/* ── PAGE ────────────────────────────────────────────────────── */
.page-wrap{padding:24px}
.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.page-title{font-family:'Sora',sans-serif;font-size:22px;font-weight:700}
.page-title .accent{color:var(--gold)}
.page-title .accent-cyan{color:var(--cyan)}
.page-title .accent-purple{color:var(--purple)}
.page-subtitle{font-size:12px;color:var(--text2);margin-top:3px}

/* ── STAT CARDS ──────────────────────────────────────────────── */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:24px}
.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);padding:16px 18px}
.stat-val{font-family:'JetBrains Mono',monospace;font-size:30px;font-weight:700;line-height:1;color:var(--gold)}
.stat-val.cyan{color:var(--cyan)}
.stat-val.purple{color:var(--purple)}
.stat-val.green{color:var(--green)}
.stat-label{font-size:11px;color:var(--text2);text-transform:uppercase;letter-spacing:1px;margin-top:5px}

/* ── CARDS ───────────────────────────────────────────────────── */
.grid-2{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);transition:var(--tr);overflow:hidden}
.card:hover{border-color:var(--border2);box-shadow:var(--shadow-sm)}
.card-accent-bar{height:3px;background:var(--gold)}
.card-body{padding:16px}
.card-title{font-family:'Sora',sans-serif;font-size:14px;font-weight:700;margin-bottom:6px}
.card-meta{font-size:11px;color:var(--text2);margin-bottom:10px;font-family:'JetBrains Mono',monospace}
.card-footer{padding:10px 16px;border-top:1px solid var(--border);background:var(--bg3);display:flex;align-items:center;gap:8px}

/* ── DOCUMENT CARD ───────────────────────────────────────────── */
.doc-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);overflow:hidden;transition:var(--tr);cursor:pointer}
.doc-card:hover{border-color:var(--border2);transform:translateY(-2px);box-shadow:var(--shadow)}
.doc-card-top{padding:14px 16px;border-bottom:1px solid var(--border)}
.doc-card-title{font-family:'Sora',sans-serif;font-size:13px;font-weight:700;margin-bottom:5px;line-height:1.4}
.doc-card-desc{font-size:12px;color:var(--text2);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.doc-card-mid{padding:10px 16px;display:flex;flex-wrap:wrap;gap:5px;border-bottom:1px solid var(--border)}
.doc-card-bottom{padding:8px 16px;display:flex;align-items:center;justify-content:space-between;gap:8px}

/* ── TAGS ────────────────────────────────────────────────────── */
.tag{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:10px;font-size:10px;font-weight:700;font-family:'JetBrains Mono',monospace;letter-spacing:.3px;background:var(--bg3);color:var(--text2);border:1px solid var(--border)}
.tag.gold{background:var(--gold-dim);color:var(--gold);border-color:rgba(230,168,23,0.3)}
.tag.cyan{background:var(--cyan-dim);color:var(--cyan);border-color:rgba(57,208,216,0.3)}
.tag.clickable{cursor:pointer;transition:var(--tr)}
.tag.clickable:hover{border-color:var(--border2);color:var(--text)}

/* ── FILE BADGE ──────────────────────────────────────────────── */
.file-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:4px;font-size:11px;font-family:'JetBrains Mono',monospace;background:var(--bg3);border:1px solid var(--border);color:var(--text2)}
.file-badge.pdf{border-color:rgba(248,81,73,0.4);color:#f85149}
.file-badge.img{border-color:rgba(63,185,80,0.4);color:var(--green)}
.file-badge.video{border-color:rgba(188,140,255,0.4);color:var(--purple)}
.file-badge.doc{border-color:rgba(57,208,216,0.4);color:var(--cyan)}
.file-badge.cad{border-color:rgba(230,168,23,0.4);color:var(--gold)}

/* ── SEARCH BAR ──────────────────────────────────────────────── */
.search-wrap{position:relative;flex:1;max-width:380px}
.search-wrap input{padding:8px 12px 8px 36px;background:var(--bg3)}
.search-icon{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--text3);font-size:14px;pointer-events:none}

/* ── FILTER CHIPS ────────────────────────────────────────────── */
.chip-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px;align-items:center}
.chip{padding:4px 12px;border-radius:16px;font-size:11px;font-weight:700;border:1px solid var(--border);background:var(--bg2);color:var(--text2);cursor:pointer;transition:var(--tr);font-family:'JetBrains Mono',monospace;letter-spacing:.3px}
.chip:hover{border-color:var(--border2);color:var(--text)}
.chip.active{border-color:var(--gold);background:var(--gold-dim);color:var(--gold)}
.chip.active-cyan{border-color:var(--cyan);background:var(--cyan-dim);color:var(--cyan)}

/* ── TABLE ───────────────────────────────────────────────────── */
.tbl-wrap{overflow-x:auto;border-radius:var(--r2);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse;font-size:13px}
th{background:var(--bg3);padding:10px 14px;text-align:left;font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--text2);font-family:'JetBrains Mono',monospace;white-space:nowrap}
td{padding:10px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--bg3)}

/* ── WORKFLOW ────────────────────────────────────────────────── */
.wf-canvas{position:relative;background:var(--bg3);border-radius:var(--r2);border:1px solid var(--border);min-height:500px;overflow:auto}
.wf-node{position:absolute;background:var(--bg2);border:2px solid var(--border);border-radius:var(--r);padding:12px 16px;min-width:180px;max-width:260px;cursor:grab;user-select:none;transition:border-color 0.15s;box-shadow:var(--shadow-sm)}
.wf-node:hover,.wf-node.selected{border-color:var(--cyan)}
.wf-node.trigger{border-color:var(--green)}
.wf-node.decision{border-color:var(--gold)}
.wf-node.end{border-color:var(--red)}
.wf-node-type{font-size:9px;font-family:'JetBrains Mono',monospace;letter-spacing:1px;text-transform:uppercase;color:var(--text3);margin-bottom:4px}
.wf-node-title{font-family:'Sora',sans-serif;font-size:13px;font-weight:700;line-height:1.3}
.wf-node-desc{font-size:11px;color:var(--text2);margin-top:4px}
.wf-node-badges{display:flex;flex-wrap:wrap;gap:3px;margin-top:8px}
.expert-dot{display:inline-flex;align-items:center;gap:4px;font-size:10px;color:var(--text2)}
.expert-circle{width:8px;height:8px;border-radius:50%;display:inline-block}

/* ── CNC CANVAS ──────────────────────────────────────────────── */
.cnc-canvas{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r2);min-height:480px;position:relative;overflow:hidden}
.cnc-node{position:absolute;background:var(--bg2);border:2px solid var(--border);border-radius:var(--r);padding:12px;min-width:160px;cursor:grab;user-select:none}
.cnc-node.motor{border-color:var(--green)}
.cnc-node.drive{border-color:var(--cyan)}
.cnc-node.vfd{border-color:var(--purple)}
.cnc-node.psu{border-color:var(--gold)}
.cnc-node-icon{font-size:20px;margin-bottom:4px}
.cnc-node-name{font-size:11px;font-weight:700;font-family:'Sora',sans-serif}
.cnc-node-spec{font-size:10px;color:var(--text2);font-family:'JetBrains Mono',monospace;margin-top:2px}

/* ── SETTINGS ────────────────────────────────────────────────── */
.settings-block{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);padding:20px;margin-bottom:18px}
.settings-block-title{font-family:'Sora',sans-serif;font-size:14px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px;color:var(--text)}

/* ── DETAIL PANEL ────────────────────────────────────────────── */
.detail-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.6);z-index:900;display:flex;justify-content:flex-end;opacity:0;pointer-events:none;transition:opacity 0.2s}
.detail-overlay.open{opacity:1;pointer-events:all}
.detail-panel{width:480px;background:var(--bg2);border-left:1px solid var(--border);height:100%;overflow-y:auto;padding:24px;transform:translateX(100%);transition:transform 0.2s;box-shadow:var(--shadow)}
.detail-overlay.open .detail-panel{transform:translateX(0)}

/* ── TOAST ───────────────────────────────────────────────────── */
#toasts{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:6px}
.toast{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:10px 16px;font-size:13px;display:flex;align-items:center;gap:8px;box-shadow:var(--shadow);animation:toastIn 0.25s ease;min-width:240px}
.toast.ok{border-left:3px solid var(--green)}
.toast.warn{border-left:3px solid var(--gold)}
.toast.err{border-left:3px solid var(--red)}
@keyframes toastIn{from{transform:translateX(110%);opacity:0}to{transform:translateX(0);opacity:1}}

/* ── UPLOAD DROP ─────────────────────────────────────────────── */
.drop-zone{border:2px dashed var(--border2);border-radius:var(--r);padding:24px;text-align:center;cursor:pointer;transition:var(--tr);background:var(--bg3)}
.drop-zone:hover,.drop-zone.over{border-color:var(--gold);background:var(--gold-dim)}
.drop-zone-label{font-size:13px;color:var(--text2)}
.drop-zone-label span{color:var(--gold);font-weight:600}

/* ── DONUT CHART ─────────────────────────────────────────────── */
.donut-wrap{position:relative;display:inline-block}
.donut-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:'JetBrains Mono',monospace}

/* ── MISC ────────────────────────────────────────────────────── */
.mono{font-family:'JetBrains Mono',monospace}
.sora{font-family:'Sora',sans-serif}
.divider{border:none;border-top:1px solid var(--border);margin:16px 0}
.empty-state{text-align:center;padding:60px 20px;color:var(--text3)}
.empty-state-icon{font-size:44px;margin-bottom:14px;opacity:.35}
.empty-state h3{font-size:15px;color:var(--text2);margin-bottom:6px}
.perm-dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:3px}
.role-badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:8px;font-size:10px;font-weight:700;font-family:'JetBrains Mono',monospace}
.role-admin{background:rgba(230,168,23,0.15);color:var(--gold)}
.role-editor{background:rgba(63,185,80,0.15);color:var(--green)}
.role-viewer{background:var(--bg3);color:var(--text2)}
.progress-bar{background:var(--bg3);border-radius:4px;height:5px;overflow:hidden;margin-top:6px}
.progress-fill{height:100%;border-radius:4px;transition:width 0.6s ease}
.view-tabs{display:flex;gap:3px;background:var(--bg3);padding:3px;border-radius:var(--r)}
.vt{padding:4px 10px;border:none;background:none;color:var(--text2);cursor:pointer;border-radius:5px;font-size:13px;transition:var(--tr)}
.vt.active{background:var(--bg2);color:var(--text)}
.tag-input-wrap{display:flex;gap:6px;margin-top:8px}
.tag-input-wrap input{flex:1}
.file-list{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.file-item{display:flex;align-items:center;gap:8px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;padding:7px 10px;font-size:12px}
.file-item-name{flex:1;font-family:'JetBrains Mono',monospace;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-size{color:var(--text3);font-size:10px;font-family:'JetBrains Mono',monospace;white-space:nowrap}
.user-menu-wrap{position:relative}
.user-btn{display:flex;align-items:center;gap:6px;padding:5px 10px;border-radius:var(--r);border:1px solid var(--border);background:var(--bg3);cursor:pointer;font-size:12px;font-weight:600;transition:var(--tr)}
.user-btn:hover{background:var(--bg4)}
.user-dropdown{position:absolute;top:calc(100%+6px);right:0;background:var(--bg2);border:1px solid var(--border2);border-radius:var(--r);width:190px;box-shadow:var(--shadow);z-index:300}
.dd-item{padding:9px 14px;font-size:13px;cursor:pointer;transition:var(--tr)}
.dd-item:hover{background:var(--bg3)}
input[type=color]{padding:2px 3px;height:36px;cursor:pointer}
.sb-search{padding:8px 10px}
.sb-search input{font-size:12px}