:root{
  --bg:#f4fafb;--panel:#fff;--ink:#14333b;--muted:#6f8790;--line:#dcecef;
  --primary:#1c8b9c;--primary-dark:#126f7f;--primary-soft:#def3f5;--accent:#f4b942;
  --danger:#c64a50;--shadow:0 12px 34px rgba(24,93,105,.11);--radius:22px;
  font-family: Inter, ui-rounded, "SF Pro Rounded", "Segoe UI", system-ui, -apple-system, sans-serif;
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink)}body{padding-bottom:90px}
button,input{font:inherit}.hidden{display:none!important}button{cursor:pointer}.screen{min-height:100vh}
.onboarding{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);align-items:center;gap:40px;max-width:1320px;margin:0 auto;padding:48px}
.hero-wrap{min-width:0}.hero{width:100%;max-height:720px;object-fit:contain;display:block}.welcome-card{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:30px;padding:34px;box-shadow:var(--shadow)}
.welcome-logo{width:170px;max-width:60%;display:block;margin:0 auto 16px}.welcome-card h1{font-size:clamp(28px,3vw,42px);text-align:center;margin:8px 0}.welcome-card>p{text-align:center;color:var(--muted);line-height:1.55}.tiny-note{font-size:13px}
.topbar{position:sticky;top:0;z-index:30;background:rgba(244,250,251,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,236,239,.85);display:flex;align-items:center;justify-content:space-between;padding:14px max(18px,env(safe-area-inset-right)) 14px max(18px,env(safe-area-inset-left))}
.brand-mini{display:flex;align-items:center;gap:10px}.brand-mini img{width:46px;height:46px;border-radius:14px}.brand-mini div{display:flex;flex-direction:column}.brand-mini strong{font-size:17px}.brand-mini span{font-size:12px;color:var(--muted);margin-top:2px}.icon-btn{width:44px;height:44px;border:none;border-radius:14px;background:var(--primary-soft);color:var(--primary-dark);font-size:26px}
.tab-panel{display:none;max-width:980px;margin:0 auto;padding:24px 18px 120px}.tab-panel.active{display:block}.card,.card-soft{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 7px 22px rgba(24,93,105,.06)}.card-soft{box-shadow:none;background:rgba(255,255,255,.7)}
.month-nav{display:grid;grid-template-columns:56px 1fr 56px;align-items:center;margin-bottom:18px}.month-arrow{border:none;background:transparent;font-size:36px;color:var(--primary-dark);height:54px}.month-title{border:none;background:transparent;font-weight:800;font-size:20px;color:var(--ink)}
.summary-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:14px}.summary-card{border-radius:22px;padding:20px;background:#fff;border:1px solid var(--line)}.summary-card.primary{background:linear-gradient(145deg,#1c8b9c,#167689);color:white;border:none}.summary-card span,.summary-card small{display:block}.summary-card span{font-size:14px;opacity:.8}.summary-card strong{display:block;font-size:34px;margin:7px 0}.summary-card small{font-size:13px;opacity:.82}
.btn{border:none;border-radius:15px;padding:13px 17px;font-weight:800;transition:.18s transform,.18s background;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:active{transform:scale(.98)}.btn-primary{background:var(--primary);color:white}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--primary-soft);color:var(--primary-dark)}.btn-ghost{background:white;color:var(--ink);border:1px solid var(--line)}.btn-danger{background:#fbe7e8;color:var(--danger)}.btn-large{width:100%;padding:16px;font-size:17px}.btn-small{padding:10px 14px}.add-main{margin:18px 0 24px}.text-btn{border:none;background:transparent;color:var(--primary);font-weight:800}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:10px 0 12px}.section-head h1,.section-head h2{margin:0}.records-head p{margin:4px 0 0;color:var(--muted)}
.record-list{display:grid;gap:10px}.record-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px 16px;display:grid;grid-template-columns:auto 1fr auto;gap:13px;align-items:center}.record-date{width:54px;height:54px;border-radius:16px;background:var(--primary-soft);display:grid;place-items:center;text-align:center;color:var(--primary-dark);font-weight:800;line-height:1.05}.record-date small{font-size:10px;font-weight:700;text-transform:uppercase}.record-main{min-width:0}.record-main strong{display:block}.record-main small{display:block;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.record-hours{font-size:19px;font-weight:900;color:var(--primary-dark)}.record-actions{grid-column:2/4;display:flex;gap:8px}.mini-action{border:none;background:#f3f8f9;border-radius:11px;padding:7px 11px;color:var(--muted);font-weight:700}.mini-action.delete{color:var(--danger)}.empty{padding:26px;text-align:center;background:#fff;border:1px dashed #cfe2e6;border-radius:18px;color:var(--muted)}
.export-hero{text-align:center;padding:28px}.export-icon{width:74px;height:74px;border-radius:22px;display:grid;place-items:center;margin:0 auto 13px;background:linear-gradient(145deg,#1c8b9c,#146f80);color:white;font-weight:950}.export-hero h1{margin:4px 0 8px}.export-hero p,.backup-card p,.settings-card p,.settings-title p{color:var(--muted);line-height:1.5}.export-preview{margin:20px auto;max-width:360px;padding:17px;border-radius:16px;background:var(--primary-soft);display:flex;justify-content:space-between;align-items:center}.export-preview strong{font-size:24px}.backup-card,.settings-card{padding:21px;margin-top:14px}.backup-card h2,.settings-card h2{margin-top:0}.button-stack{display:flex;gap:10px;flex-wrap:wrap}.file-btn{position:relative;overflow:hidden}.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}.settings-title{margin-bottom:10px}.version{text-align:center;color:#9aadB2;font-size:12px;padding:24px}.danger-zone{border-color:#f1d5d7}
.field-label{display:block;font-weight:800;font-size:13px;margin:15px 0 7px}.optional{font-weight:600;color:var(--muted)}.input{width:100%;border:1px solid #cfe2e6;border-radius:14px;background:white;color:var(--ink);padding:13px 14px;outline:none}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(28,139,156,.12)}
.bottom-nav{position:fixed;z-index:40;left:0;right:0;bottom:0;padding:8px max(8px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.94);backdrop-filter:blur(15px);border-top:1px solid var(--line)}.nav-btn{border:none;background:transparent;color:#82969d;border-radius:14px;padding:7px 4px;display:flex;flex-direction:column;align-items:center;gap:2px}.nav-btn span{font-size:21px}.nav-btn small{font-size:11px}.nav-btn.active{color:var(--primary-dark);background:var(--primary-soft)}
.modal-backdrop{position:fixed;z-index:100;inset:0;background:rgba(11,37,43,.48);backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;padding:14px}.modal{width:min(620px,100%);max-height:92vh;overflow:auto;background:white;border-radius:26px 26px 18px 18px;padding:20px;box-shadow:0 30px 80px rgba(0,0,0,.23)}.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.modal-head h2{margin:0}.modal-head p{margin:3px 0;color:var(--muted);font-size:13px}.close-btn{border:none;background:#eef5f6;color:var(--ink);font-size:25px;border-radius:12px;width:40px;height:40px}.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:7px;background:#eef6f7;border-radius:15px;padding:5px;margin:16px 0}.mode-btn{border:none;background:transparent;padding:10px;border-radius:11px;font-weight:800;color:var(--muted)}.mode-btn.active{background:white;color:var(--primary-dark);box-shadow:0 3px 10px rgba(24,93,105,.08)}.calc-line{margin-top:8px;color:var(--muted);font-size:13px}.calc-line strong{color:var(--primary-dark)}
.toast{position:fixed;z-index:200;left:50%;bottom:94px;transform:translateX(-50%);background:#153a42;color:white;padding:11px 17px;border-radius:14px;box-shadow:var(--shadow);font-weight:700;font-size:14px;max-width:min(90vw,480px);text-align:center}
@media (min-width:900px){body{padding-bottom:0}.topbar{padding-left:34px;padding-right:34px}.tab-panel{padding:34px 42px 70px;max-width:1160px;margin-left:230px}.bottom-nav{position:fixed;top:75px;left:24px;bottom:auto;right:auto;width:190px;padding:10px;display:flex;flex-direction:column;gap:7px;border:1px solid var(--line);border-radius:22px;background:white;box-shadow:var(--shadow)}.nav-btn{flex-direction:row;justify-content:flex-start;gap:12px;padding:12px 14px}.nav-btn small{font-size:14px}.summary-grid{grid-template-columns:1fr 1fr}.record-card{grid-template-columns:auto 1fr auto}.record-actions{grid-column:auto;grid-row:auto}.export-hero{padding:36px 50px}.backup-card,.settings-card{padding:26px}.modal-backdrop{align-items:center}.modal{border-radius:26px}.toast{bottom:28px}.welcome-card{padding:42px}}
@media (max-width:899px){.onboarding{grid-template-columns:1fr;padding:0 18px 30px;gap:0}.hero-wrap{margin:0 -18px -30px}.hero{max-height:390px}.welcome-card{position:relative;padding:24px;margin-top:0}.welcome-logo{width:145px}.welcome-card h1{font-size:28px}.record-actions{padding-top:2px}.button-stack>*{width:100%}}
@media (max-width:480px){.summary-grid{grid-template-columns:1fr 1fr}.summary-card{padding:16px}.summary-card strong{font-size:27px}.tab-panel{padding-left:13px;padding-right:13px}.record-card{grid-template-columns:auto 1fr auto;padding:13px}.record-date{width:48px;height:48px}.record-hours{font-size:17px}}
@media print{body{background:white!important;padding:0!important}.topbar,.bottom-nav,.tab-panel,.modal-backdrop,.toast{display:none!important}#printArea{display:block!important}}
#printArea{display:none}