:root{--color-primary:#2d5446;--color-primary-dark:#1a3a2e;--color-primary-light:#eef1ec;--color-accent:#a9843f;--color-accent-light:#f6ecd6;--color-gold:#b6935a;--color-gold-light:#e9d3a3;--color-bg:#fbfaf7;--color-bg-alt:#f3f1ea;--color-surface:#fff;--color-border:#d9d4c7;--color-ink:#2c2c2a;--color-ink-muted:#8a8474;--color-danger:#e0355a;--color-danger-bg:#fdecef;--radius:16px;--radius-sm:10px;--shadow-sm:0 1px 2px rgba(44,44,42,.05),0 1px 3px rgba(44,44,42,.06);--shadow-md:0 12px 28px rgba(26,58,46,.14),0 4px 10px rgba(44,44,42,.07);--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Pretendard","Apple SD Gothic Neo","Malgun 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var(--color-border)}.btn-ghost:hover:not(:disabled){background:var(--color-bg);color:var(--color-ink)}.btn-attendance-late{background:#e3f0ff;color:#1560c8;border:1.5px solid #b3d4ff}.btn-attendance-late:hover:not(:disabled){background:#1560c8;color:#fff}.btn-attendance-late-10{background:#fff6e3;color:#b8790a;border:1.5px solid #f5dea0}.btn-attendance-late-10:hover:not(:disabled){background:#b8790a;color:#fff}.btn-attendance-absent{background:#e3fff0;color:#128f5e;border:1.5px solid #a6f0cf}.btn-attendance-absent:hover:not(:disabled){background:#128f5e;color:#fff}.btn-attendance-early-leave{background:#ede3ff;color:#6b21c8;border:1.5px solid #d3bdfc}.btn-attendance-early-leave:hover:not(:disabled){background:#6b21c8;color:#fff}input{font-family:inherit;font-size:.95rem;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);padding:11px 14px;outline:none;background:var(--color-surface);transition:border-color .15s ease,box-shadow .15s 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var(--color-border);border-left:4px solid var(--color-primary)}.welcome-banner-logo{position:absolute;top:8px;right:20px;width:110px;height:110px;object-fit:contain;opacity:.95}.welcome-banner-date{margin:0;font-size:.82rem}.welcome-banner-date,.welcome-banner-label{position:relative;color:var(--color-ink-muted)}.welcome-banner-label{display:block;margin:10px 0 2px;font-size:.7rem;font-weight:600;letter-spacing:.04em}.welcome-banner-line{position:relative;margin:0;max-width:calc(100% - 140px);color:var(--color-primary-dark)}.welcome-banner-academy{position:relative;margin:8px 0 0;font-size:.88rem;font-weight:600;color:var(--color-gold)}.welcome-banner-soft{background:#d9e3da;border-left-color:var(--color-primary)}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));grid-gap:12px;gap:12px;margin-bottom:24px}.summary-card{background:var(--color-surface);border:1px solid var(--color-border);border-left:3px solid var(--color-gold);border-radius:0 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var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px}.app-shell{display:flex;align-items:flex-start;min-height:100vh}.sidebar{width:220px;flex-shrink:0;position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column;gap:4px;padding:12px;background:linear-gradient(180deg,var(--color-primary-dark) 0,var(--color-primary) 100%);border-right:1px solid var(--color-gold)}.sidebar-brand{display:flex;align-items:center;gap:8px;padding:2px 8px 10px}.sidebar-brand-text{display:flex;flex-direction:column;gap:2px;min-width:0}.sidebar-brand-name{font-weight:500;font-size:.94rem;color:var(--color-gold-light);letter-spacing:.02em;line-height:1.25}.sidebar-links{gap:2px}.sidebar-group,.sidebar-links{display:flex;flex-direction:column}.sidebar-group{gap:1px;margin-top:6px}.sidebar-group-label{font-size:.64rem;font-weight:500;letter-spacing:.04em;color:hsla(0,0%,100%,.4);padding:2px 10px 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