*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f4f6fb;--surface: #ffffff;--border: #e2e8f0;--primary: #4f6ef7;--primary-dark: #3b56d4;--danger: #e53e3e;--text: #1a202c;--muted: #718096;--radius: 12px;--shadow: 0 2px 12px rgba(0,0,0,.08);font-family:Inter,system-ui,sans-serif;color:var(--text);background:var(--bg)}body{min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.navbar{display:flex;align-items:center;justify-content:space-between;padding:0 2rem;height:60px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:0 1px 4px #0000000f}.navbar-brand{font-size:1.2rem;font-weight:700;color:var(--text)}.navbar-links{display:flex;align-items:center;gap:1.5rem}.navbar-links a{color:var(--muted);font-size:.95rem}.navbar-links a:hover{color:var(--primary);text-decoration:none}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.55rem 1.2rem;border-radius:8px;font-size:.9rem;font-weight:500;cursor:pointer;border:none;transition:all .15s;white-space:nowrap}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#c53030}.btn-sm{padding:.3rem .8rem;font-size:.82rem}.btn:disabled{opacity:.55;cursor:not-allowed}main{min-height:calc(100vh - 60px)}.page{max-width:960px;margin:0 auto;padding:2rem 1.5rem}.page-header{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem}.page-header h1{font-size:1.6rem}.auth-page{min-height:calc(100vh - 60px);display:flex;align-items:center;justify-content:center;padding:2rem}.auth-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:2.5rem 2rem;width:100%;max-width:420px}.auth-card h1{margin-bottom:1.5rem;font-size:1.5rem}.auth-footer{margin-top:1.2rem;font-size:.9rem;color:var(--muted);text-align:center}.form{display:flex;flex-direction:column;gap:.9rem}.form-row{display:flex;gap:.9rem}.form-row>label{flex:1}.form-actions{display:flex;gap:.7rem;margin-top:.5rem}label{display:flex;flex-direction:column;gap:.35rem;font-size:.88rem;font-weight:500;color:var(--text)}input,textarea,select{padding:.55rem .8rem;border-radius:8px;border:1.5px solid var(--border);font-size:.95rem;outline:none;transition:border-color .15s;background:var(--bg);color:var(--text);width:100%}input:focus,textarea:focus,select:focus{border-color:var(--primary)}textarea{resize:vertical}.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);padding:1.3rem 1.5rem;box-shadow:var(--shadow)}.card h3{margin-bottom:1rem;font-size:1rem}.entries-list{display:flex;flex-direction:column;gap:1rem}.entry-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.5rem}.entry-date{font-weight:600;color:var(--text)}.entry-comment{color:var(--muted);font-size:.95rem;line-height:1.5;margin-bottom:.5rem}.file-link{font-size:.85rem;color:var(--primary);display:block;margin-bottom:.4rem}.graded-by{font-size:.8rem;color:var(--muted);margin-bottom:.5rem}.entry-actions{display:flex;gap:.5rem;margin-top:.6rem}.badge{display:inline-block;padding:.25rem .65rem;border-radius:99px;font-size:.8rem;font-weight:600}.badge-none{background:#f0f4f8;color:var(--muted)}.badge-good{background:#c6f6d5;color:#276749}.badge-mid{background:#fefcbf;color:#744210}.badge-bad{background:#fed7d7;color:#822727}.search-bar,.filters-bar{display:flex;gap:.75rem;margin-bottom:1.25rem;flex-wrap:wrap}.search-bar input,.filters-bar input,.filters-bar select{max-width:280px}.stats-row{display:flex;gap:1rem;flex-wrap:wrap}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:.75rem 1.2rem;text-align:center;min-width:110px}.stat span{display:block;font-size:1.6rem;font-weight:700;color:var(--primary)}.stat{font-size:.78rem;color:var(--muted)}.teacher-table-wrap{overflow-x:auto}.teacher-table{width:100%;border-collapse:collapse;font-size:.9rem;background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.teacher-table th{background:#f7fafc;font-weight:600;text-align:left;padding:.75rem 1rem;border-bottom:1px solid var(--border);color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}.teacher-table td{padding:.75rem 1rem;border-bottom:1px solid var(--border);vertical-align:top}.teacher-table tr:last-child td{border-bottom:none}.teacher-table tr:hover td{background:#f7fafc}.comment-cell{max-width:260px;white-space:pre-wrap;word-break:break-word}.student-name{font-weight:500}.student-email{font-size:.78rem;color:var(--muted)}.profile-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:2.5rem 2rem;max-width:480px;margin:0 auto;text-align:center}.profile-avatar{width:72px;height:72px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;margin:0 auto 1rem;text-transform:uppercase}.profile-card h2{margin-bottom:.4rem}.profile-role{display:inline-block;margin-bottom:1.5rem}.tag{background:#ebf4ff;color:var(--primary);padding:.25rem .75rem;border-radius:99px;font-size:.85rem;font-weight:600}.profile-table{width:100%;text-align:left;border-collapse:collapse;font-size:.9rem}.profile-table td{padding:.5rem .25rem;border-bottom:1px solid var(--border)}.profile-table td:first-child{color:var(--muted);width:120px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:200}.modal{background:var(--surface);border-radius:var(--radius);padding:2rem;width:90%;max-width:440px;box-shadow:var(--shadow)}.modal h3{margin-bottom:.75rem}.modal-meta{font-size:.88rem;color:var(--muted);margin-bottom:.75rem;line-height:1.6}.modal-comment{background:var(--bg);border-radius:8px;padding:.75rem;font-size:.9rem;margin-bottom:1rem;color:var(--text)}.entry-form{display:flex;flex-direction:column;gap:.9rem}.page-title{font-size:1.6rem;margin-bottom:1.5rem}.new-entry-card{border:2px solid var(--primary);background:linear-gradient(135deg,#f0f4ff,#fff 60%);margin-bottom:2rem}.new-entry-header{display:flex;align-items:center;gap:.6rem;margin-bottom:1.2rem}.new-entry-header h2{font-size:1.1rem;margin:0}.new-entry-icon{font-size:1.3rem}.section-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;margin-bottom:1.25rem}.section-header h2{font-size:1.1rem;color:var(--muted)}.required-star{color:var(--danger);margin-left:2px}.field-hint{font-weight:400;color:var(--muted);font-size:.82rem;margin-left:4px}.file-chosen{font-size:.82rem;color:var(--primary);margin-top:.25rem;display:block}.mode-switcher{display:flex;gap:.75rem;margin-bottom:1rem;flex-wrap:wrap}.journal-group-selector{margin-bottom:1.25rem}.journal-group-label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.6rem;font-weight:500}.journal-group-buttons{display:flex;flex-wrap:wrap;gap:.5rem}.journal-grid{min-width:600px}.journal-grid .student-col{min-width:160px;text-align:left}.journal-grid .date-col{min-width:90px;text-align:center;font-size:.82rem;white-space:nowrap}.grade-cell{text-align:center;font-weight:600;font-size:.95rem;padding:.45rem .5rem;border-radius:6px;transition:opacity .15s}.grade-cell:hover{opacity:.75}.grade-empty{color:var(--muted)}.grade-pending{color:#b7791f;background:#fefcbf}.grade-good{color:#276749;background:#c6f6d5}.grade-mid{color:#744210;background:#feebc8}.grade-bad{color:#742a2a;background:#fed7d7}.graded-locked{font-size:.82rem;color:var(--muted);margin-top:.5rem;display:flex;align-items:center;gap:.3rem}.error{color:var(--danger);font-size:.85rem}.spinner{text-align:center;padding:3rem;color:var(--muted)}.empty{text-align:center;padding:3rem;color:var(--muted);font-size:.95rem}