:root {
  --red:#d90000;--red-dark:#a80000;--yellow:#fcdc04;--black:#0d0d0d;
  --sage:#9ca69c;--white:#ffffff;--bg:#f5f3f0;--surface:#ffffff;
  --surface2:#faf9f7;--border:#e8e4df;--text:#1a1a1a;--text-2:#5a5a5a;
  --text-3:#9a9a9a;--sidebar-w:260px;--header-h:64px;
  --font-display:'DM Serif Display',Georgia,serif;
  --font-body:'DM Sans',system-ui,sans-serif;
  --shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 16px rgba(0,0,0,.1);
  --shadow-lg:0 8px 32px rgba(0,0,0,.12);--radius:12px;--radius-sm:8px;--radius-xs:4px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,select{font-family:inherit}
a{text-decoration:none;color:inherit}

/* LOGIN */
.login-page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.login-left{background:var(--black);display:flex;flex-direction:column;justify-content:space-between;padding:48px;position:relative;overflow:hidden}
.login-left::before{content:'';position:absolute;top:-100px;left:-100px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(217,0,0,.3) 0%,transparent 70%);pointer-events:none}
.login-left::after{content:'';position:absolute;bottom:-80px;right:-80px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(252,220,4,.15) 0%,transparent 70%);pointer-events:none}
.login-logo{display:flex;align-items:center;gap:12px;position:relative;z-index:1}
.login-logo-mark{display:grid;grid-template-rows:10px 10px 10px;gap:2px}
.login-logo-mark span{width:10px;height:10px;display:block}
.login-logo-mark span:nth-child(1){background:var(--white)}
.login-logo-mark span:nth-child(2){background:var(--yellow)}
.login-logo-mark span:nth-child(3){background:var(--red)}
.login-logo-text{font-family:var(--font-display);font-size:1.6rem;color:var(--white);letter-spacing:-.02em}
.login-logo-text span{color:var(--red)}
.login-hero{position:relative;z-index:1}
.login-hero h1{font-family:var(--font-display);font-size:3rem;color:var(--white);line-height:1.1;margin-bottom:16px}
.login-hero h1 em{font-style:italic;color:var(--yellow)}
.login-hero p{color:var(--sage);font-size:.95rem;line-height:1.7;max-width:380px}
.login-stats{display:flex;gap:32px;position:relative;z-index:1}
.login-stat .num{font-family:var(--font-display);font-size:2rem;color:var(--white);line-height:1}
.login-stat .num span{color:var(--red)}
.login-stat .label{font-size:.78rem;color:var(--sage);text-transform:uppercase;letter-spacing:.08em;margin-top:4px}
.login-right{background:var(--white);display:flex;align-items:center;justify-content:center;padding:48px}
.login-form-wrap{width:100%;max-width:400px}
.login-form-wrap h2{font-family:var(--font-display);font-size:2rem;color:var(--text);margin-bottom:8px}
.login-form-wrap p{color:var(--text-2);margin-bottom:36px;font-size:.9rem}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.82rem;font-weight:600;color:var(--text-2);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.form-group input,.form-group select{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;color:var(--text);background:var(--bg);transition:border-color .2s,box-shadow .2s;outline:none}
.form-group input:focus,.form-group select:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(217,0,0,.1)}
.btn-login{width:100%;padding:14px;background:var(--red);color:var(--white);border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;letter-spacing:.02em;transition:background .2s,transform .1s}
.btn-login:hover{background:var(--red-dark);transform:translateY(-1px)}
.login-note{text-align:center;margin-top:20px;font-size:.8rem;color:var(--text-3)}
.login-error{background:rgba(217,0,0,.08);border:1px solid rgba(217,0,0,.2);color:var(--red);border-radius:var(--radius-sm);padding:10px 14px;font-size:.85rem;margin-bottom:16px}

/* APP SHELL */
.sidebar{width:var(--sidebar-w);background:#0d0d0d;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;overflow-y:auto}
.sidebar-logo{padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}
.sidebar-logo-mark{display:grid;grid-template-rows:8px 8px 8px;gap:2px;flex-shrink:0}
.sidebar-logo-mark span{width:8px;height:8px;display:block}
.sidebar-logo-mark span:nth-child(1){background:var(--white)}
.sidebar-logo-mark span:nth-child(2){background:var(--yellow)}
.sidebar-logo-mark span:nth-child(3){background:var(--red)}
.sidebar-brand{font-family:var(--font-display);color:var(--white);font-size:1.2rem;line-height:1}
.sidebar-brand span{color:var(--red)}
.sidebar-sub{font-size:.68rem;color:var(--sage);text-transform:uppercase;letter-spacing:.1em;margin-top:3px}
.sidebar-user{padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.06);display:flex;align-items:center;gap:10px}
.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--red);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;color:var(--white);flex-shrink:0}
.user-info .name{font-size:.85rem;font-weight:600;color:var(--white)}
.user-info .role-badge{font-size:.7rem;color:var(--yellow);text-transform:uppercase;letter-spacing:.06em}
.sidebar-nav{flex:1;padding:12px 0}
.nav-section{padding:0 12px;margin-bottom:4px}
.nav-section-label{font-size:.65rem;font-weight:700;color:rgba(156,166,156,.6);text-transform:uppercase;letter-spacing:.12em;padding:12px 8px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s;color:rgba(255,255,255,.6);font-size:.875rem;font-weight:500;position:relative}
.nav-item:hover{background:rgba(255,255,255,.06);color:var(--white)}
.nav-item.active{background:rgba(217,0,0,.15);color:var(--white)}
.nav-item.active::before{content:'';position:absolute;left:0;top:4px;bottom:4px;width:3px;background:var(--red);border-radius:0 3px 3px 0}
.nav-item .nav-icon{font-size:1rem;width:20px;text-align:center}
.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,.06)}
.btn-logout{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.5);font-size:.85rem;transition:color .2s;padding:8px 12px;border-radius:var(--radius-sm);width:100%}
.btn-logout:hover{color:var(--red);background:rgba(217,0,0,.08)}
.main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh;min-width:0}
.topbar{height:var(--header-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:50}
.topbar-left{display:flex;flex-direction:column}
.topbar-title{font-size:1.1rem;font-weight:700;color:var(--text)}
.topbar-breadcrumb{font-size:.78rem;color:var(--text-3)}
.topbar-right{display:flex;align-items:center;gap:12px}
.topbar-btn{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--text-2);font-size:1rem;transition:all .2s;position:relative}
.topbar-btn:hover{background:var(--border);color:var(--text)}
.topbar-btn .dot{position:absolute;top:6px;right:6px;width:7px;height:7px;background:var(--red);border-radius:50%;border:1.5px solid var(--surface)}
.topbar-date{font-size:.82rem;color:var(--text-3);padding:6px 12px;background:var(--bg);border-radius:20px;border:1px solid var(--border)}
.content{padding:28px;flex:1}
.app-layout{display:flex;min-height:100vh}

/* COMMON */
.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:28px}
.page-header-left h1{font-family:var(--font-display);font-size:1.8rem;color:var(--text);line-height:1.1}
.page-header-left p{font-size:.875rem;color:var(--text-2);margin-top:4px}
.page-header-actions{display:flex;gap:10px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;transition:all .2s}
.btn-primary{background:var(--red);color:var(--white)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-1px)}
.btn-secondary{background:var(--surface);color:var(--text);border:1.5px solid var(--border)}
.btn-secondary:hover{border-color:var(--red);color:var(--red)}
.btn-sm{padding:6px 14px;font-size:.8rem}

/* KPI CARDS */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.kpi-card{background:var(--surface);border-radius:var(--radius);padding:20px;border:1px solid var(--border);position:relative;overflow:hidden;transition:box-shadow .2s,transform .2s}
.kpi-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.kpi-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.kpi-card.red::before{background:var(--red)}
.kpi-card.yellow::before{background:var(--yellow)}
.kpi-card.sage::before{background:var(--sage)}
.kpi-card.black::before{background:var(--black)}
.kpi-icon{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.2rem;margin-bottom:14px}
.kpi-card.red .kpi-icon{background:rgba(217,0,0,.1)}
.kpi-card.yellow .kpi-icon{background:rgba(252,220,4,.15)}
.kpi-card.sage .kpi-icon{background:rgba(156,166,156,.15)}
.kpi-card.black .kpi-icon{background:rgba(13,13,13,.08)}
.kpi-value{font-family:var(--font-display);font-size:2.2rem;color:var(--text);line-height:1;margin-bottom:4px}
.kpi-label{font-size:.8rem;color:var(--text-2);font-weight:500}
.kpi-change{margin-top:12px;font-size:.78rem;display:flex;align-items:center;gap:4px}
.kpi-change.up{color:#22c55e}
.kpi-change.down{color:var(--red)}
.kpi-change.neutral{color:var(--text-3)}

/* CHART CARDS */
.chart-grid{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin-bottom:24px}
.chart-grid-equal{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}
.chart-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}
.chart-card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden}
.chart-card-header{padding:18px 20px 14px;display:flex;align-items:flex-start;justify-content:space-between;border-bottom:1px solid var(--border)}
.chart-card-title{font-size:.95rem;font-weight:700;color:var(--text)}
.chart-card-subtitle{font-size:.78rem;color:var(--text-3);margin-top:2px}
.chart-card-body{padding:20px}
.chart-legend{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:14px;font-size:.78rem;color:var(--text-2)}
.chart-legend span{display:flex;align-items:center;gap:5px}
.legend-swatch{width:10px;height:10px;border-radius:2px;flex-shrink:0;display:inline-block}
.legend-swatch-line{width:18px;height:3px;border-radius:2px;flex-shrink:0;display:inline-block}

/* TABS */
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--border);margin-bottom:20px}
.tab{padding:8px 16px;font-size:.875rem;font-weight:600;color:var(--text-2);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s;border-radius:var(--radius-xs) var(--radius-xs) 0 0}
.tab:hover{color:var(--red)}
.tab.active{color:var(--red);border-bottom-color:var(--red)}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* TABLES */
.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden}
.card-header{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-title{font-size:.95rem;font-weight:700}
.data-table{width:100%;border-collapse:collapse;font-size:.85rem}
.data-table th{padding:10px 12px;text-align:left;font-size:.72rem;font-weight:700;color:var(--text-3);text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--border);background:var(--surface2)}
.data-table td{padding:12px;border-bottom:1px solid var(--border);color:var(--text);vertical-align:middle}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:hover td{background:var(--bg)}
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.badge-success{background:rgba(34,197,94,.12);color:#16a34a}
.badge-warning{background:rgba(252,220,4,.2);color:#9a7c00}
.badge-danger{background:rgba(217,0,0,.1);color:var(--red)}
.badge-info{background:rgba(59,130,246,.1);color:#2563eb}
.badge-neutral{background:rgba(156,166,156,.15);color:#5a6b5a}
.pagination{padding:14px 20px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);background:var(--surface2)}
.pagination-info{font-size:.8rem;color:var(--text-3)}
.pagination-btns{display:flex;gap:4px}
.page-btn{width:30px;height:30px;border-radius:var(--radius-xs);display:flex;align-items:center;justify-content:center;font-size:.82rem;font-weight:600;background:var(--surface);border:1px solid var(--border);color:var(--text-2);transition:all .15s}
.page-btn:hover{border-color:var(--red);color:var(--red)}
.page-btn.active{background:var(--red);color:var(--white);border-color:var(--red)}

/* TABLE CONTROLS */
.table-controls{display:flex;gap:12px;margin-bottom:20px;align-items:center}
.search-wrap{position:relative;flex:1;max-width:340px}
.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:.9rem;pointer-events:none}
.search-input{width:100%;padding:9px 14px 9px 38px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.875rem;background:var(--surface);color:var(--text);outline:none;transition:border-color .2s}
.search-input:focus{border-color:var(--red)}
.filter-select{padding:9px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.875rem;background:var(--surface);color:var(--text);outline:none;transition:border-color .2s,box-shadow .2s;box-shadow:var(--shadow-sm)}
.filter-select:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(217,0,0,.1)}

/* ACTIVITY */
.activity-list{display:flex;flex-direction:column}
.activity-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}
.activity-item:last-child{border-bottom:none}
.activity-dot{width:8px;height:8px;border-radius:50%;margin-top:6px;flex-shrink:0}
.activity-dot.red{background:var(--red)}
.activity-dot.green{background:#22c55e}
.activity-dot.yellow{background:var(--yellow)}
.activity-dot.blue{background:#3b82f6}
.activity-text{font-size:.82rem;color:var(--text);line-height:1.5}
.activity-time{font-size:.75rem;color:var(--text-3);margin-top:2px}

/* FACILITY BARS */
.facility-item{margin-bottom:16px}
.facility-item:last-child{margin-bottom:0}
.facility-header{display:flex;justify-content:space-between;margin-bottom:6px}
.facility-name{font-size:.85rem;font-weight:600;color:var(--text)}
.facility-val{font-size:.82rem;font-weight:700;color:var(--text-2)}
.progress-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden}
.progress-fill{height:100%;border-radius:3px;transition:width 1s ease}
.progress-fill.red{background:var(--red)}
.progress-fill.yellow{background:var(--yellow)}
.progress-fill.sage{background:var(--sage)}
.progress-fill.green{background:#22c55e}

/* BOTTOM GRID */
.bottom-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}

/* USERS */
.user-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:24px}
.user-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center;transition:box-shadow .2s}
.user-card:hover{box-shadow:var(--shadow-md)}
.user-card-avatar{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;color:var(--white);margin:0 auto 12px}
.user-card-name{font-weight:700;font-size:.95rem;margin-bottom:4px}
.user-card-role{font-size:.78rem;color:var(--text-3);margin-bottom:12px}
.user-card-stats{display:flex;justify-content:center;gap:20px;margin-bottom:14px}
.user-stat-val{font-family:var(--font-display);font-size:1.3rem;color:var(--text)}
.user-stat-label{font-size:.7rem;color:var(--text-3);text-transform:uppercase;letter-spacing:.04em}

/* REPORTS */
.reports-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:24px}
.report-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;cursor:pointer;transition:all .2s}
.report-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--red)}
.report-card-icon{font-size:2rem;margin-bottom:12px}
.report-card-title{font-weight:700;font-size:.95rem;margin-bottom:6px}
.report-card-desc{font-size:.82rem;color:var(--text-2);line-height:1.5}
.report-card-footer{margin-top:16px;display:flex;align-items:center;justify-content:space-between}
.report-card-tag{font-size:.72rem;color:var(--text-3);text-transform:uppercase;letter-spacing:.06em}

/* SURGERY STATS */
.surgery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:24px}
.surgery-stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;display:flex;align-items:center;gap:14px}
.surgery-stat-icon{width:44px;height:44px;border-radius:var(--radius-sm);background:rgba(217,0,0,.08);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}
.surgery-stat-val{font-family:var(--font-display);font-size:1.8rem;color:var(--text);line-height:1}
.surgery-stat-label{font-size:.78rem;color:var(--text-3);margin-top:3px}

/* VITAL CARDS */
.vital-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.vital-card{background:var(--bg);border-radius:var(--radius-sm);padding:12px 14px;border:1px solid var(--border)}
.vital-label{font-size:.72rem;color:var(--text-3);text-transform:uppercase;letter-spacing:.06em}
.vital-val{font-family:var(--font-display);font-size:1.4rem;color:var(--text);margin-top:4px}
.vital-unit{font-size:.72rem;color:var(--text-3)}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:300;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .2s}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{background:var(--surface);border-radius:var(--radius);width:560px;max-height:80vh;overflow-y:auto;box-shadow:var(--shadow-lg);transform:scale(.95);transition:transform .2s}
.modal-overlay.open .modal{transform:scale(1)}
.modal-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-family:var(--font-display);font-size:1.3rem}
.modal-close{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--text-2);font-size:1.1rem;transition:all .15s}
.modal-close:hover{background:var(--red);color:var(--white)}
.modal-body{padding:24px}
.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}

/* ALERT */
.alert-panel{position:fixed;top:80px;right:20px;width:340px;z-index:200;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.alert-item{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--red);border-radius:var(--radius-sm);padding:12px 16px;box-shadow:var(--shadow-md);pointer-events:all;animation:slideIn .3s ease;transition:opacity .5s}
.alert-item.success{border-left-color:#22c55e}
.alert-item.info{border-left-color:#3b82f6}
@keyframes slideIn{from{transform:translateX(20px);opacity:0}to{transform:translateX(0);opacity:1}}
.alert-title{font-size:.85rem;font-weight:700;margin-bottom:2px}
.alert-msg{font-size:.78rem;color:var(--text-2)}

::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--sage)}
.ml-auto{margin-left:auto}
.mt-4{margin-top:16px}

/* FULLSCREEN */
.fs-btn{width:28px;height:28px;border-radius:var(--radius-xs);display:flex;align-items:center;justify-content:center;background:var(--bg);border:1px solid var(--border);color:var(--text-3);font-size:.85rem;transition:all .15s;flex-shrink:0;margin-left:8px}
.fs-btn:hover{background:var(--red);color:white;border-color:var(--red)}
.fs-overlay{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:500;display:none;flex-direction:column;padding:28px;backdrop-filter:blur(6px)}
.fs-overlay.open{display:flex}
.fs-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-shrink:0}
.fs-title{font-family:var(--font-display);font-size:1.6rem;color:#fff}
.fs-subtitle{font-size:.85rem;color:rgba(255,255,255,.5);margin-top:4px}
.fs-close{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;font-size:1.2rem;display:flex;align-items:center;justify-content:center;transition:all .15s;border:1px solid rgba(255,255,255,.2)}
.fs-close:hover{background:var(--red);border-color:var(--red)}
.fs-legend{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px;flex-shrink:0}
.fs-legend span{display:flex;align-items:center;gap:6px;font-size:.85rem;color:rgba(255,255,255,.7)}
.fs-legend .legend-swatch{width:12px;height:12px}
.fs-legend .legend-swatch-line{width:22px;height:3px}
.fs-canvas-wrap{flex:1;position:relative;min-height:0;background:rgba(255,255,255,.03);border-radius:var(--radius);border:1px solid rgba(255,255,255,.08);padding:20px}

/* DARK MODE */
[data-theme="dark"] {
  --bg:        #0f0f0f;
  --surface:   #1a1a1a;
  --surface2:  #141414;
  --border:    #2a2a2a;
  --text:      #f0f0f0;
  --text-2:    #a0a0a0;
  --text-3:    #606060;
}
[data-theme="dark"] body { background: var(--bg); }
[data-theme="dark"] .login-right { background: #111; }
[data-theme="dark"] .login-form-wrap h2 { color: var(--text); }
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select { background: #1a1a1a; color: var(--text); border-color: #333; }
[data-theme="dark"] .filter-select,
[data-theme="dark"] .search-input { background: #242424; color: var(--text); border-color: rgba(255,255,255,.16); }
[data-theme="dark"] .filter-select:focus,
[data-theme="dark"] .search-input:focus { border-color: var(--red); }
[data-theme="dark"] select { background: var(--surface); color: var(--text); }
[data-theme="dark"] .modal { background: #1a1a1a; }
[data-theme="dark"] .modal-close { background: #2a2a2a; }
[data-theme="dark"] .vital-card { background: #242424; }
[data-theme="dark"] .data-table th { background: #242424; }
[data-theme="dark"] .data-table tr:hover td { background: #222; }
[data-theme="dark"] .alert-item { background: #1a1a1a; }
[data-theme="dark"] .page-btn { background: var(--surface); border-color: var(--border); color: var(--text-2); }
[data-theme="dark"] .btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
[data-theme="dark"] .report-card { background: var(--surface); }
[data-theme="dark"] .user-card { background: var(--surface); }
[data-theme="dark"] .surgery-stat { background: var(--surface); }
[data-theme="dark"] .topbar { background: #141414; }
[data-theme="dark"] .chart-card { background: var(--surface); }
[data-theme="dark"] .card { background: var(--surface); }
[data-theme="dark"] .kpi-card { background: var(--surface); }
[data-theme="dark"] .kpi-card.black .kpi-icon { background: rgba(240,240,240,.06); }
[data-theme="dark"] .pagination { background: #141414; }
[data-theme="dark"] .progress-bar { background: #2a2a2a; }

/* Theme toggle button */
.theme-toggle {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); color: var(--text-2); font-size: 1rem;
  border: 1px solid var(--border); transition: all .2s;
}
.theme-toggle:hover { background: var(--border); color: var(--text); }

/* Excel-style column filter (DataTables headers) */
.col-filter-btn {
    margin-left: 6px; background: transparent; border: none; cursor: pointer; color: var(--text-3);
    font-size: .7rem; padding: 2px 4px; border-radius: 4px; vertical-align: middle; line-height: 1;
}
.col-filter-btn:hover { background: var(--bg); color: var(--text); }
.col-filter-btn.active { color: var(--red); }
.col-filter-menu {
    position: fixed; z-index: 2000; background: var(--surface); border: 1px solid var(--border);
    border-radius: 8px; box-shadow: var(--shadow-lg); width: 240px; font-family: var(--font-body);
    font-size: .83rem; color: var(--text); overflow: hidden;
}
.col-filter-menu .cf-search { padding: 8px; border-bottom: 1px solid var(--border); }
.col-filter-menu .cf-search input {
    width: 100%; padding: 6px 8px; border: 1.5px solid var(--border); border-radius: 6px;
    background: var(--bg); color: var(--text); font-size: .8rem; outline: none;
}
.col-filter-menu .cf-search input:focus { border-color: var(--red); }
.col-filter-menu .cf-actions { display: flex; justify-content: space-between; padding: 6px 8px; border-bottom: 1px solid var(--border); }
.col-filter-menu .cf-actions button { background: none; border: none; color: var(--red); font-size: .75rem; font-weight: 600; cursor: pointer; padding: 2px 4px; }
.col-filter-menu .cf-actions button:hover { text-decoration: underline; }
.col-filter-menu .cf-list { max-height: 220px; overflow-y: auto; padding: 4px 0; }
.col-filter-menu .cf-item { display: flex; align-items: center; gap: 8px; padding: 6px 12px; cursor: pointer; font-weight: 400; }
.col-filter-menu .cf-item:hover { background: var(--bg); }
.col-filter-menu .cf-item input { margin: 0; flex-shrink: 0; }
.col-filter-menu .cf-item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.col-filter-menu .cf-empty { padding: 12px; color: var(--text-3); font-size: .8rem; text-align: center; }
.col-filter-menu .cf-footer { display: flex; gap: 8px; padding: 8px; border-top: 1px solid var(--border); }
.col-filter-menu .cf-footer button { flex: 1; padding: 7px; border-radius: 6px; font-size: .8rem; font-weight: 600; cursor: pointer; border: 1.5px solid var(--border); }
.col-filter-menu .cf-btn-apply { background: var(--red); color: #fff; border-color: var(--red); }
.col-filter-menu .cf-btn-apply:hover { background: var(--red-dark); }
.col-filter-menu .cf-btn-cancel { background: var(--surface); color: var(--text-2); }
.col-filter-menu .cf-btn-cancel:hover { background: var(--bg); }

/* District performance heatmap */
.heat-cell { text-align: center; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.heat-good { background: rgba(34,197,94,.14); color: #16a34a; }
.heat-bad  { background: rgba(217,0,0,.10); color: var(--red); }