:root{--green:#1fa463;--light:#e7f7fb;--blue:#52b6d8;--dark:#124734}body{background:#f5faf8;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}.app-shell{display:flex;min-height:100vh}.sidebar{width:260px;background:linear-gradient(180deg,var(--green),#0f6b4a);color:#fff;padding:20px;position:sticky;top:0;height:100vh}.brand{font-size:22px;font-weight:800;margin-bottom:20px;line-height:1.1}.sidebar .nav-link{color:#eafff4;border-radius:12px;margin:2px 0;padding:10px 12px}.sidebar .nav-link:hover{background:rgba(255,255,255,.16);color:#fff}.content{flex:1}.topbar{height:74px;background:#fff;border-bottom:1px solid #e8eeee;display:flex;align-items:center;justify-content:space-between;padding:0 28px}.userbox{text-align:right}.card{border:0;border-radius:18px;box-shadow:0 8px 24px rgba(31,164,99,.08)}.stat{padding:22px;background:linear-gradient(135deg,#fff,var(--light))}.stat span{color:#5a6b63}.stat b{font-size:32px;color:var(--green)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e5fff2,#e7f7fb)}.login-card{width:420px}.btn-success{background:var(--green);border-color:var(--green)}.calendar-card{background:#fff;border-radius:18px;padding:16px;min-height:165px;border-left:5px solid var(--blue);box-shadow:0 8px 24px rgba(0,0,0,.06)}@media(max-width:900px){.sidebar{width:210px}.topbar{padding:0 14px}.stat b{font-size:24px}}@media print{.sidebar,.topbar,.btn{display:none!important}.content{margin:0}.card{box-shadow:none}}