:root{--color-primary:#ff2d95;--color-primary-dark:#d6127a;--color-primary-light:#ffe3f1;--color-accent:#2fbf96;--color-accent-light:#e3faf3;--color-bg:#fdf5fa;--color-bg-alt:#f3f0fb;--color-surface:#fff;--color-border:#f2e3ee;--color-ink:#3a2f3d;--color-ink-muted:#8a7f8f;--color-danger:#e0355a;--color-danger-bg:#fdecef;--radius:16px;--radius-sm:10px;--shadow-sm:0 1px 2px rgba(58,47,61,.05),0 1px 3px rgba(58,47,61,.06);--shadow-md:0 12px 28px rgba(255,45,149,.14),0 4px 10px rgba(58,47,61,.07);--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Pretendard","Apple SD Gothic Neo","Malgun Gothic",Roboto,sans-serif;--subject-korean-bg:#ffe3ee;--subject-korean-fg:#c81572;--subject-english-bg:#e3f0ff;--subject-english-fg:#1560c8;--subject-math-bg:#ede3ff;--subject-math-fg:#6b21c8;--subject-science-bg:#e3fff0;--subject-science-fg:#128f5e;--subject-social-bg:#fff6e3;--subject-social-fg:#b8790a;--subject-other-bg:#f0eef2;--subject-other-fg:#6b6478}*{box-sizing:border-box}body,html{padding:0;margin:0;background:linear-gradient(160deg,var(--color-bg) 0,var(--color-bg-alt) 100%);background-attachment:fixed;color:var(--color-ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-dark);text-decoration:underline}h1{font-size:1.6rem;font-weight:800;margin:0 0 6px;letter-spacing:-.02em;color:var(--color-ink)}h2{font-size:1.05rem;font-weight:700;letter-spacing:-.01em}button{font-family:inherit;font-size:.9rem;font-weight:600;cursor:pointer;border:none;border-radius:999px;padding:9px 18px;background:var(--color-primary);color:#fff;transition:background .15s ease,transform .05s ease,box-shadow .15s ease;box-shadow:var(--shadow-sm)}button:hover:not(:disabled){background:var(--color-primary-dark)}button:active:not(:disabled){transform:scale(.97)}button:disabled{background:var(--color-border);color:var(--color-ink-muted);cursor:not-allowed;box-shadow:none}.btn-secondary{background:var(--color-surface);color:var(--color-primary-dark);border:1.5px solid var(--color-primary-light)}.btn-secondary:hover:not(:disabled){background:var(--color-primary-light);color:var(--color-primary-dark)}.btn-ghost{background:transparent;color:var(--color-ink-muted);box-shadow:none;border:1.5px solid 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-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 ease;width:100%}input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}select{font-family:inherit;font-size:.95rem;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);padding:10px 14px;outline:none;background:var(--color-surface);color:var(--color-ink);transition:border-color .15s ease,box-shadow .15s ease;width:100%}select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}label{font-size:.82rem;color:var(--color-ink-muted);font-weight:600;display:block;margin-bottom:4px}.table-scroll{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-sm)}table{border-collapse:collapse;width:100%;min-width:640px;background:var(--color-surface)}td,th{padding:12px 16px;text-align:left;font-size:.88rem;white-space:nowrap}th{background:var(--color-primary-light);color:var(--color-primary-dark);font-weight:700;font-size:.8rem;letter-spacing:.02em}tbody tr{border-top:1px solid var(--color-border)}tbody tr:hover{background:var(--color-bg)}.page{max-width:920px;margin:0 auto;padding:28px 24px 64px}@media (max-width:640px){.page{padding:18px 14px 48px}}.page-header{margin-bottom:24px}.page-header p{margin:4px 0 0;color:var(--color-ink-muted);font-size:.92rem}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:10px;gap:10px;margin-bottom:24px}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:16px 14px;display:flex;flex-direction:column;gap:2px}.stat-card-value{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;color:var(--color-ink)}.stat-card-value-accent{color:var(--color-primary-dark)}.stat-card-label{font-size:.78rem;color:var(--color-ink-muted);font-weight:600}@media (max-width:480px){.stat-card{padding:12px 10px}.stat-card-value{font-size:1.2rem}.stat-card-label{font-size:.72rem}}.cadence-label{font-size:.72rem;font-weight:600;color:var(--color-ink-muted);background:var(--color-bg);border:1px solid var(--color-border);border-radius:999px;padding:2px 10px}.card{padding:24px}.card,.navbar{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.navbar{display:flex;flex-direction:column;gap:8px;padding:10px 14px;margin-bottom:24px}.navbar-top{justify-content:space-between;gap:10px}.navbar-brand,.navbar-top{display:flex;align-items:center}.navbar-brand{gap:8px;min-width:0}.navbar-top button{flex-shrink:0;white-space:nowrap;padding:5px 12px;font-size:.8rem}.navbar-links{display:flex;gap:4px;overflow-x:auto}.navbar-links a{display:inline-flex;align-items:center;flex-shrink:0;white-space:nowrap;padding:7px 14px;border-radius:999px;font-size:.86rem;font-weight:600;color:var(--color-ink-muted);transition:background .15s ease,color .15s ease}.navbar-links a:hover{background:var(--color-primary-light);color:var(--color-primary-dark);text-decoration:none}.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:.76rem;font-weight:700;letter-spacing:.01em}.badge-missed{background:var(--color-danger-bg);color:var(--color-danger)}.badge-done{background:var(--color-accent-light);color:#1a8f6f}.badge-pending{background:#f1eef4;color:var(--color-ink-muted)}.notice{position:relative;background:var(--color-accent-light);border-left:1px solid var(--color-accent);border:1px solid var(--color-accent);border-left-width:4px;color:#1a8f6f;border-radius:var(--radius-sm);padding:14px 18px;font-size:.86rem;line-height:1.6;margin-bottom:20px}.notice strong{font-weight:700}.notice-warning{background:#fff7e6;border-color:#f2c94c;color:#8a6b12}.subject-badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:.76rem;font-weight:700;letter-spacing:.01em}.subject-korean{background:var(--subject-korean-bg);color:var(--subject-korean-fg)}.subject-english{background:var(--subject-english-bg);color:var(--subject-english-fg)}.subject-math{background:var(--subject-math-bg);color:var(--subject-math-fg)}.subject-science{background:var(--subject-science-bg);color:var(--subject-science-fg)}.subject-social{background:var(--subject-social-bg);color:var(--subject-social-fg)}.subject-other{background:var(--subject-other-bg);color:var(--subject-other-fg)}.teacher-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:14px;gap:14px;margin-bottom:16px}.teacher-card{display:block;background:var(--color-surface);border-left:1px solid var(--color-border);border:1px solid var(--color-border);border-left-width:4px;border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:18px 20px;transition:box-shadow .15s ease,transform .15s ease,border-color .15s ease}.teacher-card,.teacher-card:hover{color:inherit;text-decoration:none}.teacher-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.teacher-card-subject-korean{border-left-color:var(--subject-korean-fg)}.teacher-card-subject-english{border-left-color:var(--subject-english-fg)}.teacher-card-subject-math{border-left-color:var(--subject-math-fg)}.teacher-card-subject-science{border-left-color:var(--subject-science-fg)}.teacher-card-subject-social{border-left-color:var(--subject-social-fg)}.teacher-card-subject-other{border-left-color:var(--subject-other-fg)}.teacher-card-header{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px}.teacher-card-header strong{font-size:1.02rem}.teacher-card-stats-row{display:flex;justify-content:space-between;gap:10px;font-size:.84rem;color:var(--color-ink-muted)}.teacher-card-stats-row strong{color:var(--color-primary-dark)}.back-link{display:inline-block;font-size:.88rem;font-weight:600;color:var(--color-ink-muted);margin-bottom:14px}.back-link:hover{color:var(--color-primary-dark)}.student-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 6px;border-radius:var(--radius-sm);font-size:.88rem;transition:background .12s ease}.student-row:hover{background:var(--color-bg)}