:root{--muted:#667085;--shadow:0 10px 25px rgba(16,18,40,.08);--nav2:#0f3a66;--primary:#0b2a4a;--card:#fff;--nav:#0b2a4a;--text:#101828;--radius:14px;--border:#e5e7eb;--bg:#f5f6fb}body{color:var(--text);margin:0;background:var(--bg);line-height:1.5;font-family:Inter,system-ui,-apple-system,sans-serif}.navbar-custom{padding:12px 0;color:#fff;border-bottom:1px solid hsla(0,0%,100%,.1);background:linear-gradient(180deg,var(--nav),var(--nav2))!important}.navbar-brand{font-size:20px;font-weight:800;letter-spacing:.5px}.card{padding:20px;border:1px solid var(--border);margin-bottom:24px;transition:transform .2s ease;box-shadow:var(--shadow);border-radius:var(--radius);background:var(--card)}.table{border-collapse:collapse;width:100%}.table thead th{padding:12px 15px;font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;background:#f9fafb}.table td,.table thead th{border-bottom:1px solid var(--border)}.table td{padding:14px 15px;font-size:14px;vertical-align:middle}.table tr:hover td{background:#fcfcff}label{font-size:13px;font-weight:700;margin-bottom:6px;color:#344054;display:block}input,select,textarea{padding:10px 14px;font-size:14px;border:1px solid var(--border);transition:all .2s;outline:none;border-radius:12px;background:#fff;width:100%}input:focus,select:focus,textarea:focus{border-color:var(--nav);box-shadow:0 0 0 4px rgba(15,58,102,.1)}.btn{padding:10px 18px;justify-content:center;font-size:14px;font-weight:600;transition:all .2s;gap:8px;align-items:center;border-radius:12px;cursor:pointer;display:inline-flex}.btn-primary{border:none;color:#fff;background:linear-gradient(180deg,#123c6a,#0b2a4a)}.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.1)}.btn-outline-primary{border:1px solid var(--border);color:var(--text);background:#fff}.bakiye-pozitif{color:#027a48;background:#ecfdf3}.bakiye-negatif,.bakiye-pozitif{padding:4px 10px;font-weight:600;border-radius:999px}.bakiye-negatif{color:#b42318;background:#fef3f2}.ogrenci-liste-foto{height:42px;border:1px solid var(--border);object-fit:cover;border-radius:10px;width:42px}