:root{--ink:#18223a;--sub:#596780;--bg:#f3f6fa;--primary:#126d58;--border:#dbe3e9}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Arial;color:var(--ink)}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.shell{display:flex;min-height:100vh}.sidebar{background:#142339;color:#eaf3ff;width:244px;flex:none;padding:21px 12px}.sidebar strong{font-size:18px;display:block;padding:10px 12px 20px;color:white}.sidebar a{display:block;padding:10px 12px;color:#dee8f4;border-radius:8px;font-size:14px}.sidebar a:hover{background:#283c56;text-decoration:none}.main{flex:1;min-width:0}.topbar{padding:19px 28px;background:white;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:10px}.content{padding:26px;max-width:1400px}.panel{background:white;border:1px solid var(--border);border-radius:12px;padding:23px;margin-bottom:19px;box-shadow:0 3px 8px rgba(0,0,0,.02)}h1{font-size:24px;margin:0}h2{font-size:19px;margin:0 0 15px}p{line-height:1.55;color:var(--sub)}.muted{color:var(--sub);font-size:13px}.statgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.stat{background:white;border:1px solid var(--border);border-radius:12px;padding:20px}.stat strong{display:block;font-size:25px;margin-top:12px}.stat small{color:var(--sub)}.btn,button{border:0;border-radius:7px;background:var(--primary);color:white;padding:10px 15px;cursor:pointer;font-size:14px;display:inline-block}.btn:hover{color:white;text-decoration:none;background:#095440}.btn.muted{background:#52627a}.btn.red{background:#ac3d3d}.formgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:13px}.field{display:block;margin-bottom:12px}.field label{display:block;font-size:13px;font-weight:650;margin-bottom:5px}input,select,textarea{width:100%;border:1px solid #cbd5df;padding:10px;border-radius:7px;font:inherit;background:white}input[type=checkbox]{width:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px;border-bottom:1px solid #e9eef4;font-size:13px}th{background:#f7f9fb;font-weight:700}.scroll{overflow:auto}.alert{background:#e9f7ef;border-left:4px solid var(--primary);padding:12px 16px;border-radius:6px;margin-bottom:16px}.alert.error{background:#fff0f0;border-left-color:#b44141}.right{float:right}.inline{display:inline}.nowrap{white-space:nowrap}.checks{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.checks label{font-size:13px}.auth{max-width:460px;margin:8vh auto;padding:15px}@media(max-width:850px){.shell{display:block}.sidebar{width:100%;padding:12px}.sidebar a{display:inline-block}.main{width:100%}.topbar{padding:15px}.content{padding:12px}}

/* Central flash notifications; styles isolated from existing form alerts. */
.flash-stack{position:fixed;top:18px;right:18px;z-index:9999;display:flex;flex-direction:column;gap:12px;width:min(410px,calc(100vw - 28px));pointer-events:none}
.flash-toast{--flash-accent:#08764c;position:relative;display:flex;align-items:flex-start;gap:12px;overflow:hidden;padding:15px 39px 17px 15px;background:#fff;color:#17253a;border:1px solid #dfe6ee;border-left:5px solid var(--flash-accent);border-radius:12px;box-shadow:0 13px 36px rgba(16,31,53,.17);pointer-events:auto;animation:flash-enter .22s ease-out both}
.flash-toast--success{--flash-accent:#138752;background:#f7fdf9}
.flash-toast--error{--flash-accent:#cb3445;background:#fff9fa}
.flash-toast--warning{--flash-accent:#b67a08;background:#fffcf5}
.flash-toast--info{--flash-accent:#286fb5;background:#f7faff}
.flash-toast__icon{display:grid;place-items:center;flex:none;width:28px;height:28px;border-radius:50%;background:var(--flash-accent);color:white;font-size:17px;font-weight:750;line-height:1}
.flash-toast__content{min-width:0;flex:1}.flash-toast__title{display:block;font-size:14px;margin-bottom:3px;color:#17253a}
.flash-toast__message{font-size:13px;line-height:1.5;color:#354459;overflow-wrap:anywhere;white-space:pre-wrap}
.flash-toast__close{position:absolute;right:8px;top:6px;padding:3px 7px;border:0;border-radius:5px;background:transparent;color:#58667a;font-size:22px;line-height:1.2}
.flash-toast__close:hover,.flash-toast__close:focus-visible{background:#e9edf3;color:#18223a;outline-offset:2px}
.flash-toast__timer{position:absolute;bottom:0;left:0;height:3px;width:100%;background:var(--flash-accent);transform-origin:left;animation:flash-progress var(--flash-duration) linear forwards}
.flash-toast--leaving{opacity:0;transform:translateX(14px);transition:opacity .18s ease,transform .18s ease}
@keyframes flash-enter{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}
@keyframes flash-progress{from{transform:scaleX(1)}to{transform:scaleX(0)}}
@media(max-width:560px){.flash-stack{top:10px;left:14px;right:14px;width:auto}.flash-toast{padding:13px 38px 15px 12px}}
@media(prefers-reduced-motion:reduce){.flash-toast,.flash-toast__timer{animation:none}.flash-toast--leaving{transition:none}}