/* ===== Design tokens ===== */
:root{
  --bg:#f3f5fa;
  --card:#ffffff;
  --ink:#161b2c;
  --ink-soft:#334155;
  --muted:#64748b;
  --line:#e7eaf2;
  --line-soft:#eef1f7;
  --brand:#35589a;
  --brand2:#2694d2;
  --brand-soft:#eef4ff;
  --ok:#149c66;
  --warn:#f59e0b;
  --bad:#dc2626;
  --purple:#7c3aed;
  --blue:#2563eb;
  --teal:#0f766e;
  --brown:#92400e;
  --orange:#ea580c;
  --pink:#db2777;
  --indigo:#4f46e5;
  --cyan:#0891b2;
  --gray:#6b7280;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 1px 3px rgba(20,31,50,.06),0 1px 2px rgba(20,31,50,.05);
  --shadow-md:0 10px 24px rgba(20,31,50,.08);
  --shadow-lg:0 24px 56px rgba(20,31,50,.14);
  --ease-out:cubic-bezier(0.23,1,0.32,1);
  --ease-drawer:cubic-bezier(0.32,0.72,0,1);
}
@media (prefers-reduced-motion: reduce){
  .modal-overlay,.modal-box,.sidebar,.sidebar-overlay{transition-duration:.01ms!important}
}

/* ===== Reset & base ===== */
*{box-sizing:border-box}
html,body{min-height:100%}
body{
  margin:0;
  background:var(--bg);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow:hidden;
}
.hidden{display:none!important}
.mc-preview-img{max-width:220px;max-height:220px;border-radius:var(--radius-sm);border:1px solid var(--line);margin-top:8px;display:block;object-fit:cover}
.mc-thumb{max-width:140px;max-height:140px;border-radius:var(--radius-sm);border:1px solid var(--line);object-fit:cover}
.attachment-preview{margin:6px 0}
.modal-overlay{
  position:fixed;inset:0;background:rgba(15,20,30,.55);display:flex;align-items:center;justify-content:center;padding:16px;z-index:1000;
  opacity:1;transition:opacity 200ms var(--ease-out);
}
.modal-overlay.hidden{display:flex!important;opacity:0;pointer-events:none}
.modal-box{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:20px;width:min(480px,100%);max-height:90vh;overflow-y:auto;
  transform:scale(1);transition:transform 200ms var(--ease-out);
}
.modal-overlay.hidden .modal-box{transform:scale(0.96)}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.modal-head h3{margin:0}
.cal-day.clickable{cursor:pointer}
h1,h2,h3{font-weight:800;letter-spacing:-.01em}
h1{font-size:26px;line-height:1.2;margin:0 0 4px}
h2{font-size:19px;margin:0 0 10px}
h3{font-size:15px;margin:16px 0 8px;color:var(--ink-soft)}
.muted{color:var(--muted);font-size:13.5px;line-height:1.55}
.tiny{font-size:12px}
.eyebrow{text-transform:uppercase;letter-spacing:.1em;color:var(--brand);font-weight:800;font-size:11.5px;margin:0 0 4px}
code{white-space:pre-wrap;word-break:break-word}
::selection{background:rgba(38,148,210,.22)}
*:focus-visible{outline:2px solid var(--brand2);outline-offset:2px;border-radius:6px}

/* ===== Login screen ===== */
.login-screen{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 15% 10%,#eaf3ff 0%,#f6f8fc 45%,#f3f5fa 100%);padding:20px}
.login-card{width:min(440px,100%);background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-lg);padding:32px;animation:hrmRiseIn .35s ease}
@keyframes hrmRiseIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.login-tabs{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px;margin:16px 0 4px;background:var(--bg);padding:4px;border-radius:14px}
.tab-btn{background:transparent;color:var(--muted);border:0;box-shadow:none;font-weight:700}
.tab-btn.active{background:var(--card);color:var(--brand);box-shadow:var(--shadow-sm)}
.tab-btn:hover:not(.active){filter:none;background:rgba(255,255,255,.6)}
.link-btn{background:none;border:0;box-shadow:none;color:var(--brand);padding:4px 0;font-weight:650;text-decoration:underline;width:auto}
.link-btn:hover{filter:none;box-shadow:none;background:none;text-decoration:none}
.forgot-password-panel{
  display:block;max-height:600px;opacity:1;overflow:hidden;margin-top:10px;
  transition:max-height 220ms var(--ease-out),opacity 160ms ease-out,margin-top 220ms var(--ease-out);
}
.forgot-password-panel.hidden{display:block!important;max-height:0;opacity:0;margin-top:0;pointer-events:none}
.forgot-password-section{display:grid;gap:8px}
.forgot-password-divider{display:flex;align-items:center;gap:10px;margin:16px 0;color:var(--muted);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}
.forgot-password-divider::before,.forgot-password-divider::after{content:'';flex:1;height:1px;background:var(--line)}

/* ===== App shell / layout ===== */
.app-shell{height:100vh;min-height:0;display:grid;grid-template-columns:250px minmax(0,1fr);overflow:hidden}
.mobile-topbar{display:none}

.sidebar{
  height:100vh;min-height:0;overflow:hidden;
  background:#0f172a;color:#dbe3ef;
  padding:18px 14px;display:flex;flex-direction:column;
}
.brand-box{display:flex;align-items:center;gap:11px;padding:6px 6px 16px;border-bottom:1px solid rgba(255,255,255,.08);flex:0 0 auto}
.brand-box small{display:block;color:#8a9ab3;margin-top:1px;font-size:11.5px}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand2),#8fd3f4);display:grid;place-items:center;font-weight:900;color:#fff;font-size:13px;flex:0 0 auto}
.login-logo-mark{width:52px;height:52px;border-radius:15px;font-size:18px;margin-bottom:14px;box-shadow:var(--shadow-md)}

.side-nav{flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden;margin-top:14px;padding-right:4px;scrollbar-width:thin;scrollbar-color:#3b4a63 transparent}
.side-nav::-webkit-scrollbar{width:7px}
.side-nav::-webkit-scrollbar-thumb{background:#3b4a63;border-radius:99px}
.nav-group{margin-bottom:14px}
.nav-group-label{display:block;font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.09em;color:#5f7291;padding:0 10px 6px}
.nav-group .nav-btn+.nav-btn{margin-top:3px}

.nav-btn{
  position:relative;width:100%;display:flex;align-items:center;justify-content:flex-start;
  background:transparent;color:#c4cede;border:1px solid transparent;
  padding:9px 12px;border-radius:11px;font-weight:650;font-size:13px;line-height:1.3;text-align:left;
}
.nav-btn:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-btn.active{background:rgba(38,148,210,.16);color:#fff;border-color:rgba(38,148,210,.25)}
.nav-btn.active::before{content:'';position:absolute;left:-14px;top:6px;bottom:6px;width:3px;border-radius:99px;background:var(--brand2)}

.side-footer{flex:0 0 auto;margin-top:12px;padding-top:12px;border-top:1px solid rgba(255,255,255,.08)}
.side-user{font-size:12.5px;color:#a7b3c6;margin-bottom:10px;line-height:1.5}
.sidebar-overlay{display:none}

.workspace{height:100vh;min-height:0;overflow-y:auto;overflow-x:hidden;padding:22px 26px 40px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.top-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

.notice{background:#fff8e9;border:1px solid #fbe3a1;color:#7a4a06;border-radius:14px;padding:10px 15px;margin-bottom:18px;font-size:13.5px;line-height:1.55}
.notice-summary{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.notice-summary span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notice .link-btn{flex-shrink:0;color:#7a4a06;font-weight:700}
.notice-details{margin-top:8px;padding-top:8px;border-top:1px solid #fbe3a1;display:grid;gap:6px;opacity:1;max-height:200px;transition:opacity 160ms ease-out}
.notice-details.hidden{display:none}
@media (max-width:640px){
  .notice-summary{flex-direction:column;align-items:flex-start;gap:4px}
  .notice-summary span{white-space:normal}
}

/* ===== Pages & cards ===== */
.page{display:none}
.active-page{display:block;animation:hrmFadeIn .18s ease}
@keyframes hrmFadeIn{from{opacity:0}to{opacity:1}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px;margin-bottom:16px;transition:box-shadow .2s ease}
.narrow-card{max-width:760px}
.hero-card{background:linear-gradient(160deg,#ffffff 0%,#f3f9ff 100%);border-color:#e0ecfb}
.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:14px}
.card-head h2{margin-bottom:2px}
.wrap{flex-wrap:wrap}

.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.four{grid-template-columns:minmax(0,1.2fr) minmax(0,1.1fr) minmax(0,1.4fr) minmax(0,1.8fr)}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.compact{gap:12px}

/* ===== Forms ===== */
label{display:block;font-weight:700;font-size:12.5px;margin:12px 0 6px;color:var(--ink-soft)}
input,select,textarea{
  width:100%;border:1px solid #d7dbe6;border-radius:var(--radius-sm);padding:10px 12px;
  font:inherit;background:#fff;color:var(--ink);
}
input::placeholder,textarea::placeholder{color:#9aa4b7}
textarea{min-height:80px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--brand2);box-shadow:0 0 0 3px rgba(38,148,210,.14);outline:none}
input:disabled,select:disabled,textarea:disabled{background:#f3f4f7;color:var(--muted)}

button,.button{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;
  background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;
  padding:10px 16px;border-radius:var(--radius-sm);font-weight:700;font-size:13.5px;
  text-decoration:none;cursor:pointer;transition:filter .15s ease,box-shadow .15s ease,transform .05s ease;
}
button:hover:not(:disabled),.button:hover{filter:brightness(1.08);box-shadow:0 6px 18px rgba(53,88,154,.24)}
button:active:not(:disabled),.button:active{transform:translateY(1px)}
button:disabled{opacity:.55;cursor:not-allowed;filter:none;box-shadow:none}
button.ghost,.button.ghost{background:#fff;color:var(--brand);border:1px solid #d3ddf5}
button.ghost:hover,.button.ghost:hover{background:var(--brand-soft)}
button.danger,.button.danger{background:#fff;color:var(--bad);border:1px solid #fbcaca}
button.danger:hover,.button.danger:hover{background:#fff5f5}
.full{width:100%}
.toolbar,.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

.msg{min-height:20px;font-size:13.5px;font-weight:600;margin-top:8px}
.msg.ok{color:var(--ok)}
.msg.err{color:var(--bad)}
.demo-note{background:var(--brand-soft);border:1px solid #cfe0fb;border-radius:12px;padding:10px 12px;margin:14px 0;color:#1e3a6e;font-size:13px}
.strength-meter{height:5px;border-radius:99px;background:#e5e7eb;margin:6px 0;overflow:hidden}
.strength-meter::after{content:'';display:block;height:100%;width:var(--pct,0%);background:var(--col,#dc2626);transition:width .2s,background .2s}

.backfill-panel{border-top:1px dashed var(--line);margin-top:16px;padding-top:16px}

/* ===== Stats / KPIs / snapshots ===== */
.balance{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:14px 0}
.stat,.kpi{border:1px solid var(--line);background:#fafbfe;border-radius:14px;padding:13px}
.stat span,.kpi span{display:block;color:var(--muted);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}
.stat strong,.kpi strong{display:block;font-size:22px;margin:4px 0 2px;color:var(--ink)}
.stat small{color:var(--muted)}
.kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:12px 0 16px}
.kpi.clickable{cursor:pointer;transition:transform 120ms var(--ease-out),border-color 120ms ease}
.kpi.clickable:hover{border-color:var(--brand2)}
.kpi.clickable:active{transform:scale(0.97)}
.profile-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.profile-grid .stat{background:#fafbfe}

.snapshot-list{display:grid;gap:8px}
.snapshot-item{padding:11px 13px;border:1px solid var(--line);border-radius:13px;background:#fafbfe;font-size:13.5px}

/* ===== Calendar ===== */
.legend{display:flex;gap:11px;flex-wrap:wrap;margin:8px 0 16px;color:var(--ink-soft);font-size:12.5px}
.legend span{display:inline-flex;align-items:center}
.dot{display:inline-block;width:10px;height:10px;border-radius:99px;margin-right:6px;flex:0 0 auto}
.dot.clock{background:var(--ok)}
.dot.annual_leave{background:var(--blue)}
.dot.mc{background:var(--bad)}
.dot.wfh{background:var(--purple)}
.dot.emergency_leave{background:var(--orange)}
.dot.compassionate_leave{background:var(--pink)}
.dot.replacement_leave_credit{background:var(--indigo)}
.dot.replacement_leave_use{background:var(--cyan)}
.dot.pending{background:var(--warn)}
.dot.rejected{background:var(--gray)}
.dot.absent{background:var(--brown)}
.dot.backfill{background:var(--teal)}
.dot.selected{background:#111827}

.calendar{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border:1px solid var(--line);border-radius:16px;overflow:hidden}
.cal-head{background:#f8fafc;border-bottom:1px solid var(--line);padding:9px;font-weight:800;font-size:12.5px;color:#5b6b84;text-align:center}
.cal-day{min-height:104px;border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:#fff;padding:8px;cursor:default;transition:background .12s ease}
.cal-day:hover{background:#fbfcff}
.cal-day:nth-child(7n){border-right:0}
.cal-day.other{background:#fafbfd}
.cal-day.weekend{background:#eef1f7}
.cal-day.selected{outline:3px solid #111827;outline-offset:-3px;background:#f3f4f6}
.cal-day.today{box-shadow:inset 0 0 0 2px var(--brand2)}
.cal-day.today .day-no{color:var(--brand2);font-weight:700}
.month-nav{display:flex;align-items:center;gap:6px}
.month-nav-btn{padding:6px 12px;font-size:16px;line-height:1;font-weight:700}
.day-detail-item{margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid var(--line-soft)}
.day-detail-item:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.day-no{font-weight:800;margin-bottom:6px;font-size:13px;color:var(--ink-soft)}
.events{display:grid;gap:3px}
.pill{display:inline-block;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-radius:99px;padding:3px 7px;font-size:10.5px;font-weight:700;color:#fff}
.pill.clock{background:var(--ok)}
.pill.annual_leave{background:var(--blue)}
.pill.mc{background:var(--bad)}
.pill.wfh{background:var(--purple)}
.pill.emergency_leave{background:var(--orange)}
.pill.compassionate_leave{background:var(--pink)}
.pill.replacement_leave_credit{background:var(--indigo)}
.pill.replacement_leave_use{background:var(--cyan)}
.pill.pending{background:var(--warn);color:#3a2705}
.pill.rejected{background:var(--gray)}
.pill.absent{background:var(--brown)}
.pill.backfill{background:var(--teal)}

/* ===== Lists / badges ===== */
.appItem{border:1px solid var(--line);border-radius:14px;padding:13px 15px;margin-bottom:10px;background:#fff;font-size:13.5px}
.appItem.unread{border-left:4px solid var(--brand2);background:var(--brand-soft)}
.appItem.read{opacity:.78}
.badge{display:inline-block;border-radius:99px;background:var(--brand-soft);color:var(--brand);font-size:11.5px;padding:3px 9px;font-weight:800}
.badge.pending{background:#fef3c7;color:#92400e}
.badge.danger-soft{background:#fee2e2;color:#991b1b}
.approveBox{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}
.approvals-progress{font-size:12.5px;color:var(--ink-soft);margin:6px 0;padding:6px 10px;background:#f8fafc;border:1px solid var(--line);border-radius:10px}

/* ===== Tables ===== */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;background:#fff;min-width:920px}
th,td{padding:10px 12px;border-bottom:1px solid var(--line-soft);text-align:left;font-size:12.5px;vertical-align:top}
th{background:#f8fafc;color:#5b6b84;font-size:11px;text-transform:uppercase;letter-spacing:.04em;position:sticky;top:0}
tbody tr:nth-child(even) td{background:#fbfcfe}
tbody tr:hover td{background:#eef4ff}
.distance-good{color:var(--ok);font-weight:800}
.distance-warn{color:var(--warn);font-weight:800}
.distance-bad{color:var(--bad);font-weight:800}

/* ===== Toast ===== */
#toast{position:fixed;bottom:20px;right:20px;max-width:340px;background:#111827;color:#fff;padding:12px 16px;border-radius:12px;box-shadow:var(--shadow-lg);font-size:13.5px;font-weight:650;z-index:999;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .2s,transform .2s}
#toast.show{opacity:1;transform:translateY(0)}
#toast.err{background:var(--bad)}
#toast.ok{background:var(--ok)}

/* ===== Responsive ===== */
@media(max-width:980px){
  body{overflow:auto}
  .mobile-topbar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    background:#0f172a;color:#fff;padding:12px 16px;position:sticky;top:0;z-index:40;
  }
  .mobile-topbar .brand-box{padding:0;border:0}
  .mobile-topbar .actions{gap:8px}
  .hamburger-btn{display:flex;flex-direction:column;gap:4px;justify-content:center;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);width:40px;height:38px;border-radius:10px;padding:0}
  .hamburger-btn .bar{display:block;width:18px;height:2px;border-radius:2px;background:#fff}
  .icon-btn{display:flex;justify-content:center;align-items:center;width:40px;height:38px;border-radius:10px;padding:0;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);color:#fff}
  .icon-btn:hover{background:rgba(255,255,255,.16)}
  .app-shell{height:auto;min-height:100vh;grid-template-columns:minmax(0,1fr);overflow:visible}
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:270px;max-width:82vw;z-index:60;
    transform:translateX(-104%);transition:transform 260ms var(--ease-drawer);box-shadow:var(--shadow-lg);
  }
  .sidebar.open{transform:translateX(0)}
  .sidebar .brand-box{display:none}
  .sidebar-overlay{
    display:block;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:50;
    opacity:0;pointer-events:none;transition:opacity 220ms ease;
  }
  .sidebar-overlay.show{opacity:1;pointer-events:auto}
  .workspace{height:auto;overflow:visible;padding:16px;min-width:0}
  .topbar,.grid.two,.grid.three,.grid.four{grid-template-columns:minmax(0,1fr);display:grid}
  .balance,.kpi-row{grid-template-columns:minmax(0,1fr)}
  .calendar{font-size:12px}
  .cal-day{min-height:88px}
  h1{font-size:23px}
}
@media(max-width:640px){
  .top-actions{flex-direction:column;align-items:stretch;width:100%}
  .cal-head{padding:6px 2px;font-size:10.5px}
  .cal-day{min-height:70px;padding:5px 4px}
  .day-no{font-size:11px;margin-bottom:3px}
  .pill{font-size:9px;padding:2px 4px}
  .card{padding:15px}
  .login-card{padding:24px}
}
@media(min-width:981px) and (max-width:1280px){
  .app-shell{grid-template-columns:224px minmax(0,1fr)}
  .grid.four,.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}
  .top-actions{min-width:250px}
}
@media(min-width:981px) and (max-height:820px){
  .sidebar{padding:14px 12px}
  .nav-btn{padding:7px 10px;font-size:12.5px}
  .workspace{padding:16px 18px 26px}
  .card{padding:16px;margin-bottom:14px}
}