@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');
:root {
    --bg:#060810; --bg-panel:#0c1018; --bg-card:#111827; --border:rgba(255,255,255,0.08);
    --accent:#00d4ff; --accent-dim:rgba(0,212,255,0.12); --danger:#ef4444; --success:#22c55e; --warning:#eab308; --purple:#a855f7;
    --text:#e2e8f0; --text-dim:#64748b; --text-label:#94a3b8; --radius:8px;
    --sidebar-w:56px; --topbar-h:42px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);height:100vh;overflow:hidden;font-size:13px}

/* ══════ TOPBAR ══════ */
.topbar{display:flex;align-items:center;justify-content:space-between;background:var(--bg-panel);border-bottom:1px solid var(--border);padding:0 20px 0 calc(var(--sidebar-w) + 20px);height:var(--topbar-h);font-size:12px;flex-shrink:0;position:relative;z-index:50}
.topbar-left{display:flex;align-items:center;gap:24px}
.topbar-logo{font-family:'Outfit';font-weight:800;font-size:14px;display:flex;align-items:center;gap:8px;letter-spacing:1px}
.topbar-logo .icon{width:26px;height:26px;background:linear-gradient(135deg,#00d4ff,#0ea5e9);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#000;box-shadow:0 0 12px rgba(0,212,255,0.3)}
.topbar-meta{display:flex;gap:20px;color:var(--text-dim)}
.topbar-meta .val{color:var(--text);font-weight:600;font-family:'JetBrains Mono'}

/* ══════ SIDEBAR ══════ */
.sidebar{position:fixed;left:0;top:0;width:var(--sidebar-w);height:100vh;background:var(--bg-panel);border-right:1px solid var(--border);display:flex;flex-direction:column;align-items:center;z-index:100;padding-top:8px;transition:width 0.25s ease}
.sidebar-logo{width:36px;height:36px;background:linear-gradient(135deg,#00d4ff,#0ea5e9);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#000;margin-bottom:20px;box-shadow:0 0 16px rgba(0,212,255,0.25);flex-shrink:0}
.sidebar-nav{display:flex;flex-direction:column;gap:4px;width:100%;padding:0 8px;flex:1}
.nav-item{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;color:var(--text-dim);cursor:pointer;transition:all 0.2s;position:relative;margin:0 auto}
.nav-item:hover{background:rgba(0,212,255,0.08);color:var(--text)}
.nav-item.active{background:var(--accent-dim);color:var(--accent);box-shadow:0 0 12px rgba(0,212,255,0.15)}
.nav-item.active::before{content:'';position:absolute;left:-8px;top:50%;transform:translateY(-50%);width:3px;height:20px;background:var(--accent);border-radius:0 3px 3px 0}
.nav-tooltip{position:absolute;left:calc(100% + 12px);top:50%;transform:translateY(-50%);background:#1e293b;color:#fff;padding:6px 12px;border-radius:6px;font-size:11px;font-weight:600;white-space:nowrap;pointer-events:none;opacity:0;transition:opacity 0.15s;z-index:200;box-shadow:0 4px 12px rgba(0,0,0,0.4)}
.nav-item:hover .nav-tooltip{opacity:1}
.sidebar-bottom{padding:8px;width:100%;display:flex;flex-direction:column;align-items:center;gap:4px;border-top:1px solid var(--border)}

/* ══════ APP LAYOUT ══════ */
.app-container{margin-left:var(--sidebar-w);height:100vh;display:flex;flex-direction:column;overflow:hidden}

/* ══════ PAGE SYSTEM ══════ */
.page{display:none;flex:1;overflow:hidden;animation:pageIn 0.3s ease}
.page.active{display:flex;flex-direction:column}
@keyframes pageIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ══════ DASHBOARD PAGE ══════ */
.dashboard-grid{display:grid;grid-template-columns:240px 1fr 260px;flex:1;overflow:hidden}

/* LEFT PANEL */
.panel-left{background:var(--bg-panel);border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}
.patient-header{padding:12px 14px;border-bottom:1px solid var(--border)}
.patient-id{font-family:'JetBrains Mono';font-size:18px;font-weight:700;color:var(--accent)}
.patient-info{font-size:11px;color:var(--text-dim);margin-top:4px;line-height:1.7}
.vitals-grid{display:flex;flex-direction:column;flex:1;overflow-y:auto}
.vital-card{padding:10px 14px;border-bottom:1px solid var(--border);transition:background 0.2s}
.vital-card:hover{background:rgba(255,255,255,0.02)}
.vital-card.critical{animation:criticalPulse 1.5s ease infinite}
@keyframes criticalPulse{0%,100%{background:transparent}50%{background:rgba(239,68,68,0.08)}}
.vital-label{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-label);margin-bottom:2px}
.vital-value{font-family:'JetBrains Mono';font-size:24px;font-weight:700}
.vital-unit{font-size:10px;color:var(--text-dim);font-weight:400}
.vital-status{font-size:9px;font-weight:700;padding:2px 6px;border-radius:3px;display:inline-block;margin-top:2px}
.status-normal{background:rgba(34,197,94,0.15);color:#22c55e}
.status-warning{background:rgba(234,179,8,0.15);color:#eab308}
.status-critical{background:rgba(239,68,68,0.15);color:#ef4444}
.vital-chart{height:32px;margin-top:4px}
.vital-chart canvas{width:100%;height:100%}

/* CENTER PANEL */
.panel-center{display:flex;flex-direction:column;overflow:hidden;min-height:0}
.toolbar{display:flex;align-items:center;gap:8px;padding:6px 14px;background:var(--bg-panel);border-bottom:1px solid var(--border);flex-shrink:0;flex-wrap:wrap}
.btn{padding:5px 12px;border-radius:5px;border:1px solid var(--border);background:var(--bg-card);color:var(--text);cursor:pointer;font-size:11px;font-weight:600;transition:all 0.2s;font-family:'Inter',sans-serif}
.btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,212,255,0.06)}
.btn.active{background:var(--accent)!important;color:#000!important;border-color:var(--accent)!important;box-shadow:0 0 14px rgba(0,212,255,0.35);font-weight:800}
.btn.btn-danger{border-color:rgba(239,68,68,0.3);color:var(--danger)}
.btn.btn-danger:hover{background:rgba(239,68,68,0.1);border-color:var(--danger)}
.btn.btn-success{border-color:rgba(34,197,94,0.3);color:var(--success)}
.btn.btn-success:hover{background:rgba(34,197,94,0.1);border-color:var(--success)}
.toolbar-meta{font-size:10px;color:var(--text-dim);display:flex;gap:14px;margin-left:auto}
.toolbar-meta .val{color:var(--text);font-weight:600;font-family:'JetBrains Mono'}

.anatomy-view{flex:1;position:relative;background:#050709;overflow:hidden;min-height:0}
#anatomy-canvas{width:100%;height:100%;display:block}
.anatomy-overlay{position:absolute;padding:10px 14px;background:rgba(6,8,16,0.88);border:1px solid var(--border);border-radius:var(--radius);backdrop-filter:blur(8px);font-size:11px}
.anatomy-overlay.top-left{top:10px;left:10px}
.anatomy-overlay.top-right{top:10px;right:10px}

/* MODULES BAR */
.modules-bar{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--border);background:var(--bg-panel);height:100px;flex-shrink:0;overflow:hidden}
.module-card{border-right:1px solid var(--border);padding:8px 10px;cursor:pointer;transition:all 0.2s}
.module-card:hover{background:rgba(0,212,255,0.04);box-shadow:inset 0 2px 0 var(--accent)}
.module-card:last-child{border-right:none}
.module-name{font-size:10px;font-weight:700;margin-bottom:3px}
.module-progress{height:3px;background:var(--bg-card);border-radius:2px;margin:6px 0}
.module-progress-fill{height:100%;border-radius:2px;transition:width 0.5s}
.module-detail{font-size:9px;color:var(--text-dim)}

/* RIGHT PANEL */
.panel-right{background:var(--bg-panel);border-left:1px solid var(--border);overflow-y:auto;overflow-x:hidden}
.right-section{padding:10px 12px;border-bottom:1px solid var(--border)}
.right-title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-label);margin-bottom:8px;display:flex;align-items:center;gap:6px}

/* TOOL ITEMS */
.tool-item{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:6px;cursor:pointer;transition:all 0.2s;margin-bottom:3px;border:1px solid transparent}
.tool-item:hover{background:rgba(0,212,255,0.05);border-color:rgba(0,212,255,0.15)}
.tool-item.selected{background:rgba(0,212,255,0.12)!important;border-color:rgba(0,212,255,0.4)!important;box-shadow:inset 3px 0 0 var(--accent),0 0 10px rgba(0,212,255,0.08)}
.tool-item.selected .tool-name{color:var(--accent)!important;font-weight:800}
.tool-item.selected .tool-icon{border-color:var(--accent);color:var(--accent);box-shadow:0 0 8px rgba(0,212,255,0.2)}
.tool-icon{width:30px;height:30px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:14px;transition:all 0.2s;flex-shrink:0}
.tool-name{font-size:11px;font-weight:600;transition:color 0.2s}
.tool-desc{font-size:9px;color:var(--text-dim)}

/* LOG */
.log-entry{font-size:9px;font-family:'JetBrains Mono';padding:3px 0;color:var(--text-dim);border-bottom:1px solid rgba(255,255,255,0.03)}
.log-time{color:var(--accent);margin-right:6px}

/* ══════ PATIENTS PAGE ══════ */
.patients-page{padding:20px;overflow-y:auto}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.page-title{font-family:'Outfit';font-size:20px;font-weight:800;letter-spacing:0.5px}
.search-box{display:flex;align-items:center;gap:8px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:8px 14px;min-width:280px;transition:border-color 0.2s}
.search-box:focus-within{border-color:var(--accent)}
.search-box input{background:none;border:none;color:var(--text);font-size:12px;outline:none;flex:1;font-family:'Inter',sans-serif}
.search-box input::placeholder{color:var(--text-dim)}
.patient-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.patient-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:16px;cursor:pointer;transition:all 0.25s;position:relative;overflow:hidden}
.patient-card:hover{border-color:rgba(0,212,255,0.3);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,0.3)}
.patient-card.active-patient{border-color:var(--accent);box-shadow:0 0 16px rgba(0,212,255,0.15)}
.patient-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px}
.patient-card-name{font-weight:700;font-size:14px}
.patient-card-id{font-family:'JetBrains Mono';font-size:10px;color:var(--accent)}
.badge{font-size:9px;font-weight:700;padding:3px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:0.5px}
.badge-stable{background:rgba(34,197,94,0.15);color:#22c55e}
.badge-critical{background:rgba(239,68,68,0.15);color:#ef4444;animation:criticalPulse 1.5s ease infinite}
.badge-monitoring{background:rgba(234,179,8,0.15);color:#eab308}
.badge-discharged{background:rgba(100,116,139,0.15);color:#94a3b8}
.patient-card-meta{font-size:11px;color:var(--text-dim);line-height:1.8}

/* ══════ AI PAGE ══════ */
.ai-page{display:flex;flex-direction:column;height:100%}
.ai-header{padding:16px 20px;background:var(--bg-panel);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.ai-title{font-family:'Outfit';font-size:18px;font-weight:800;display:flex;align-items:center;gap:10px}
.ai-title .ai-dot{width:8px;height:8px;background:var(--success);border-radius:50%;animation:pulse 2s ease infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(34,197,94,0.4)}50%{box-shadow:0 0 0 8px rgba(34,197,94,0)}}
.ai-chat-area{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}
.ai-msg{max-width:80%;padding:14px 18px;border-radius:14px;font-size:13px;line-height:1.7;animation:msgIn 0.3s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.ai-msg.user{background:rgba(0,212,255,0.12);border:1px solid rgba(0,212,255,0.2);align-self:flex-end;border-bottom-right-radius:4px}
.ai-msg.bot{background:var(--bg-card);border:1px solid var(--border);align-self:flex-start;border-bottom-left-radius:4px}
.ai-msg .msg-header{font-size:10px;font-weight:700;color:var(--text-label);margin-bottom:6px;text-transform:uppercase;letter-spacing:1px}
.ai-msg .confidence{font-size:10px;font-weight:700;padding:3px 8px;border-radius:4px;margin-top:8px;display:inline-block}
.ai-input-area{padding:16px 20px;background:var(--bg-panel);border-top:1px solid var(--border);display:flex;gap:10px;align-items:center;flex-shrink:0}
.ai-input{flex:1;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:12px 16px;color:var(--text);font-size:13px;outline:none;transition:border-color 0.2s;font-family:'Inter',sans-serif;resize:none}
.ai-input:focus{border-color:var(--accent)}
.ai-send-btn{width:42px;height:42px;background:linear-gradient(135deg,#00d4ff,#0ea5e9);border:none;border-radius:10px;color:#000;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.2s;flex-shrink:0}
.ai-send-btn:hover{transform:scale(1.05);box-shadow:0 0 16px rgba(0,212,255,0.4)}
.ai-quick-actions{display:flex;gap:8px;padding:10px 20px;background:var(--bg-panel);flex-shrink:0;flex-wrap:wrap}
.ai-quick-btn{padding:6px 14px;border-radius:20px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-dim);font-size:11px;cursor:pointer;transition:all 0.2s;font-family:'Inter',sans-serif}
.ai-quick-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,212,255,0.06)}

/* ══════ TRAINING PAGE ══════ */
.training-page{display:flex;flex-direction:column;overflow:hidden}
.training-header{padding:16px 20px;background:var(--bg-panel);border-bottom:1px solid var(--border);flex-shrink:0}
.training-modules{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;padding:20px;overflow-y:auto;flex:1}
.training-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px;cursor:pointer;transition:all 0.25s;position:relative;overflow:hidden}
.training-card:hover{border-color:rgba(0,212,255,0.3);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,0.3)}
.training-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:12px 12px 0 0}
.training-card-title{font-weight:700;font-size:15px;margin-bottom:8px}
.training-card-desc{font-size:11px;color:var(--text-dim);line-height:1.6;margin-bottom:14px}
.training-progress-bar{height:4px;background:rgba(255,255,255,0.06);border-radius:3px;margin-bottom:8px;overflow:hidden}
.training-progress-fill{height:100%;border-radius:3px;transition:width 0.6s ease}
.training-stats{display:flex;gap:16px;font-size:10px;color:var(--text-dim)}
.training-stats .stat-val{font-weight:700;color:var(--text);font-family:'JetBrains Mono'}
/* Training Session Active */
.training-session{display:none;flex:1;overflow:hidden}
.training-session.active{display:flex;flex-direction:column}
.session-header{padding:14px 20px;background:var(--bg-panel);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.session-body{display:grid;grid-template-columns:1fr 320px;flex:1;overflow:hidden}
.session-canvas-area{position:relative;background:#050709;overflow:hidden}
.session-steps{background:var(--bg-panel);border-left:1px solid var(--border);overflow-y:auto;padding:14px}
.step-item{padding:10px 12px;border-radius:8px;border:1px solid var(--border);margin-bottom:8px;transition:all 0.2s;cursor:pointer;display:flex;align-items:flex-start;gap:10px}
.step-item:hover{background:rgba(255,255,255,0.02)}
.step-item.completed{border-color:rgba(34,197,94,0.3);background:rgba(34,197,94,0.05)}
.step-item.current{border-color:var(--accent);background:rgba(0,212,255,0.05);box-shadow:0 0 10px rgba(0,212,255,0.1)}
.step-num{width:24px;height:24px;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0}
.step-item.completed .step-num{background:var(--success);border-color:var(--success);color:#000}
.step-item.current .step-num{border-color:var(--accent);color:var(--accent)}
.step-title{font-size:12px;font-weight:600}
.step-desc{font-size:10px;color:var(--text-dim);margin-top:2px}

/* ══════ SETTINGS PAGE ══════ */
.settings-page{padding:20px;overflow-y:auto;max-width:680px}
.settings-section{margin-bottom:24px}
.settings-section-title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-label);margin-bottom:12px;display:flex;align-items:center;gap:6px}
.setting-row{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;margin-bottom:8px;transition:background 0.2s}
.setting-row:hover{background:rgba(255,255,255,0.03)}
.setting-label{font-size:12px;font-weight:600}
.setting-desc{font-size:10px;color:var(--text-dim);margin-top:2px}
/* Toggle */
.toggle{width:40px;height:22px;background:var(--bg);border:1px solid var(--border);border-radius:11px;cursor:pointer;position:relative;transition:all 0.25s;flex-shrink:0}
.toggle.on{background:var(--accent);border-color:var(--accent)}
.toggle::after{content:'';position:absolute;top:2px;left:2px;width:16px;height:16px;background:#fff;border-radius:50%;transition:transform 0.25s}
.toggle.on::after{transform:translateX(18px)}
/* Select */
.setting-select{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:6px 10px;color:var(--text);font-size:11px;cursor:pointer;outline:none;font-family:'Inter',sans-serif}

/* ══════ STAT CARDS ══════ */
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:14px 16px;position:relative;overflow:hidden;transition:all 0.2s}
.stat-card:hover{border-color:rgba(0,212,255,0.2);transform:translateY(-1px)}
.stat-card::after{content:'';position:absolute;top:0;right:0;width:60px;height:60px;border-radius:50%;opacity:0.06;transform:translate(20px,-20px)}
.stat-card-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);margin-bottom:6px}
.stat-card-value{font-family:'JetBrains Mono';font-size:22px;font-weight:700}
.stat-card-change{font-size:10px;margin-top:4px;display:flex;align-items:center;gap:4px}

/* ══════ SCROLLBAR ══════ */
::-webkit-scrollbar{width:3px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}
::selection{background:rgba(0,212,255,0.3);color:#fff}

/* ══════ RESPONSIVE ══════ */
@media(max-width:1200px){
    .dashboard-grid{grid-template-columns:200px 1fr 220px}
    .modules-bar{grid-template-columns:repeat(2,1fr);height:auto}
    .stat-cards{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    :root{--sidebar-w:0px}
    .sidebar{width:56px;transform:translateX(-56px);transition:transform 0.25s}
    .sidebar.open{transform:translateX(0)}
    .topbar{padding-left:60px}
    .dashboard-grid{grid-template-columns:1fr;height:auto;overflow-y:auto}
    .panel-left,.panel-right{border:none;border-bottom:1px solid var(--border)}
    .patient-grid{grid-template-columns:1fr}
    .training-modules{grid-template-columns:1fr}
    .session-body{grid-template-columns:1fr}
    .stat-cards{grid-template-columns:1fr 1fr}
    .ai-msg{max-width:95%}
}

/* ══════ LOADING SKELETON ══════ */
.skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,rgba(255,255,255,0.05) 50%,var(--bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s ease infinite;border-radius:4px}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ══════ PRINT ══════ */
@media print{
    .sidebar,.topbar,.toolbar,.modules-bar,.panel-right{display:none!important}
    .app-container{margin-left:0}
    body{background:#fff;color:#000}
    .panel-left{border:none}
}