:root {
    --primary:#0f766e; --primary-dark:#0d5c55; --primary-light:#14b8a6; --primary-xlight:#ccfbf1;
    --accent:#ef4444; --accent-light:#fee2e2;
    --warning:#f59e0b; --warning-light:#fef3c7;
    --info:#3b82f6; --info-light:#dbeafe;
    --success:#10b981; --success-light:#d1fae5;
    --dark:#0f172a; --gray-900:#1e293b; --gray-800:#334155; --gray-700:#475569;
    --gray-500:#64748b; --gray-400:#94a3b8; --gray-200:#e2e8f0; --gray-100:#f1f5f9; --gray-50:#f8fafc; --white:#ffffff;
    --sidebar-width:260px; --sidebar-collapsed:72px; --topbar-h:64px;
    --font-main:'Sora',sans-serif; --font-mono:'JetBrains Mono',monospace;
    --radius:12px; --radius-sm:8px;
    --shadow:0 4px 24px rgba(15,118,110,.08); --shadow-md:0 8px 32px rgba(15,118,110,.12);
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:var(--font-main);background:var(--gray-50);color:var(--gray-900);font-size:14px;line-height:1.6;}
::-webkit-scrollbar{width:6px;height:6px;}
::-webkit-scrollbar-track{background:var(--gray-100);}
::-webkit-scrollbar-thumb{background:var(--primary-light);border-radius:3px;}

/* SIDEBAR */
.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--gray-900);display:flex;flex-direction:column;z-index:1000;transition:width .3s;overflow:hidden;}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.08);min-height:var(--topbar-h);}
.brand-icon{width:40px;height:40px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;color:white;font-size:18px;flex-shrink:0;}
.brand-name{font-size:17px;font-weight:700;color:white;display:block;}
.brand-sub{font-size:10px;color:var(--gray-400);display:block;white-space:nowrap;}
.sidebar-user{display:flex;align-items:center;gap:10px;padding:14px 18px;margin:12px 12px 4px;background:rgba(255,255,255,.05);border-radius:var(--radius-sm);}
.user-avatar{width:36px;height:36px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;font-size:16px;flex-shrink:0;}
.user-name{font-size:13px;font-weight:600;color:white;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.user-role{font-size:10px;color:var(--primary-light);display:block;}
.sidebar-nav{flex:1;overflow-y:auto;padding:8px 12px;}
.nav-section-label{font-size:10px;font-weight:600;color:var(--gray-500);text-transform:uppercase;letter-spacing:1px;padding:12px 8px 4px;}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--gray-400);text-decoration:none;font-size:13.5px;font-weight:500;transition:all .18s;white-space:nowrap;margin-bottom:2px;}
.nav-item:hover{background:rgba(255,255,255,.07);color:white;}
.nav-item.active{background:var(--primary);color:white;}
.nav-item i{font-size:16px;flex-shrink:0;}
.sidebar-footer{padding:12px;border-top:1px solid rgba(255,255,255,.08);}
.logout-btn{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--gray-400);text-decoration:none;font-size:13.5px;font-weight:500;transition:all .18s;white-space:nowrap;}
.logout-btn:hover{background:var(--accent-light);color:var(--accent);}

/* MAIN */
.main-content{margin-left:var(--sidebar-width);min-height:100vh;transition:margin-left .3s;}
.topbar{position:sticky;top:0;height:var(--topbar-h);background:var(--white);border-bottom:1px solid var(--gray-200);display:flex;align-items:center;gap:16px;padding:0 24px;z-index:100;box-shadow:0 1px 8px rgba(0,0,0,.06);}
.sidebar-toggle{background:none;border:none;font-size:20px;color:var(--gray-700);cursor:pointer;padding:4px;border-radius:var(--radius-sm);transition:background .15s;}
.sidebar-toggle:hover{background:var(--gray-100);}
.topbar-title{font-size:16px;font-weight:600;color:var(--gray-900);flex:1;}
.topbar-actions{display:flex;align-items:center;gap:12px;}
.topbar-date{font-size:12.5px;color:var(--gray-500);display:flex;align-items:center;gap:6px;}
.user-dropdown-btn{background:var(--gray-100);border:1px solid var(--gray-200);color:var(--gray-700);font-size:13px;font-family:var(--font-main);border-radius:var(--radius-sm);padding:6px 12px;}
.page-content{padding:28px;}

/* CARDS */
.card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:24px;}
.card-header{padding:16px 20px;border-bottom:1px solid var(--gray-100);display:flex;align-items:center;justify-content:space-between;background:transparent;}
.card-title{font-size:15px;font-weight:600;color:var(--gray-900);display:flex;align-items:center;gap:8px;}
.card-body{padding:20px;}

/* STAT CARDS */
.stat-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:22px;display:flex;align-items:center;gap:18px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.stat-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0;}
.stat-icon.teal{background:var(--primary-xlight);color:var(--primary);}
.stat-icon.red{background:var(--accent-light);color:var(--accent);}
.stat-icon.amber{background:var(--warning-light);color:var(--warning);}
.stat-icon.blue{background:var(--info-light);color:var(--info);}
.stat-icon.green{background:var(--success-light);color:var(--success);}
.stat-label{font-size:12.5px;color:var(--gray-500);font-weight:500;}
.stat-value{font-size:28px;font-weight:700;color:var(--gray-900);line-height:1.1;}
.stat-sub{font-size:11.5px;color:var(--gray-400);margin-top:2px;}

/* TABLES */
.table-wrap{overflow-x:auto;}
table.dataTable{border-collapse:collapse!important;width:100%!important;font-size:13.5px;}
table.dataTable thead th{background:var(--gray-50);color:var(--gray-700);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--gray-200)!important;padding:12px 14px;}
table.dataTable tbody td{padding:11px 14px;border-bottom:1px solid var(--gray-100);vertical-align:middle;}
table.dataTable tbody tr:hover{background:var(--gray-50);}

/* FORMS */
.form-label{font-size:13px;font-weight:600;color:var(--gray-700);margin-bottom:5px;}
.form-control,.form-select{border:1.5px solid var(--gray-200);border-radius:var(--radius-sm);padding:9px 12px;font-family:var(--font-main);font-size:14px;color:var(--gray-900);transition:border-color .15s,box-shadow .15s;}
.form-control:focus,.form-select:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(20,184,166,.15);outline:none;}
.btn{font-family:var(--font-main);font-weight:500;border-radius:var(--radius-sm);transition:all .18s;}
.btn-primary{background:var(--primary);border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);}
.btn-icon{display:inline-flex;align-items:center;gap:6px;}
.alert{border-radius:var(--radius-sm);border:none;font-size:13.5px;}

/* VAX STATUS */
.vax-dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:6px;}
.vax-completed{background:var(--success);}
.vax-pending{background:var(--warning);}
.vax-missed{background:var(--accent);}

/* PROGRESS */
.progress{height:8px;border-radius:4px;background:var(--gray-200);}
.progress-bar{border-radius:4px;background:var(--primary);}

/* PAGE HEADER */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.page-header h1{font-size:22px;font-weight:700;color:var(--gray-900);}
.page-header p{font-size:13.5px;color:var(--gray-500);margin:2px 0 0;}

/* VACCINATION TIMELINE (patient portal) */
.vax-timeline{display:flex;gap:0;margin:20px 0;}
.vax-step{flex:1;text-align:center;position:relative;}
.vax-step:not(:last-child)::after{content:'';position:absolute;top:20px;left:50%;width:100%;height:3px;background:var(--gray-200);z-index:0;}
.vax-step.completed:not(:last-child)::after{background:var(--success);}
.vax-step-dot{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 8px;font-size:16px;position:relative;z-index:1;border:3px solid var(--gray-200);background:white;}
.vax-step.completed .vax-step-dot{background:var(--success);border-color:var(--success);color:white;}
.vax-step.pending .vax-step-dot{background:white;border-color:var(--warning);color:var(--warning);}
.vax-step.missed .vax-step-dot{background:var(--accent-light);border-color:var(--accent);color:var(--accent);}
.vax-step-label{font-size:11px;font-weight:600;color:var(--gray-600);}
.vax-step-date{font-size:10px;color:var(--gray-400);margin-top:2px;}

/* LOGIN */
.login-page{min-height:100vh;background:linear-gradient(135deg,var(--gray-900) 0%,#1a3a38 100%);display:flex;align-items:center;justify-content:center;padding:24px;}
.login-card{background:white;border-radius:20px;box-shadow:0 24px 80px rgba(0,0,0,.3);width:100%;max-width:420px;overflow:hidden;}
.login-header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);padding:36px 32px 28px;text-align:center;}
.login-logo{font-size:40px;color:white;margin-bottom:8px;}
.login-title{font-size:22px;font-weight:700;color:white;}
.login-sub{font-size:12px;color:rgba(255,255,255,.7);margin-top:4px;}
.login-body{padding:32px;}

/* PATIENT PORTAL */
.portal-page{min-height:100vh;background:var(--gray-50);}
.portal-topbar{background:var(--gray-900);padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;}
.portal-brand{font-size:16px;font-weight:700;color:white;display:flex;align-items:center;gap:10px;}
.portal-content{max-width:900px;margin:32px auto;padding:0 20px;}

/* SIDEBAR COLLAPSED */
body.sidebar-collapsed .sidebar{width:var(--sidebar-collapsed);}
body.sidebar-collapsed .main-content{margin-left:var(--sidebar-collapsed);}
body.sidebar-collapsed .brand-text,body.sidebar-collapsed .sidebar-user .user-info,
body.sidebar-collapsed .nav-item span,body.sidebar-collapsed .nav-section-label,
body.sidebar-collapsed .logout-btn span{display:none;}
body.sidebar-collapsed .sidebar-user{justify-content:center;}
body.sidebar-collapsed .nav-item{justify-content:center;padding:12px;}
body.sidebar-collapsed .logout-btn{justify-content:center;}

@media(max-width:991px){
    .sidebar{transform:translateX(-100%);}
    body.sidebar-open .sidebar{transform:translateX(0);}
    .main-content{margin-left:0!important;}
}
@media(max-width:576px){.page-content{padding:16px;}.stat-value{font-size:22px;}}
.fw-600{font-weight:600;}.fs-12{font-size:12px;}.fs-13{font-size:13px;}