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#0000000d;--danger-color:#ef4444}.main-subjects-wrapper{background-color:#f6f8fa;background-color:var(--bg-color);font-family:Inter,-apple-system,sans-serif;margin-left:220px;min-height:100vh;padding:40px}.add-subject-card{background:#fff;border:1px solid #f0f0f0;border-radius:16px;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008;box-shadow:var(--card-shadow);margin-bottom:40px;padding:24px}.add-subject-card h3{color:#2c3e50;color:var(--text-dark);font-size:1.1rem;margin:0 0 20px}.add-subject-form{align-items:center;display:flex;flex-wrap:wrap;gap:15px}.grade-select{flex:0 0 120px;min-width:120px}.modern-input,.modern-select{background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;box-sizing:border-box;font-size:.95rem;padding:12px 16px;transition:all .2s ease;width:100%}.modern-input:focus,.modern-select:focus{border-color:#4caf50;border-color:var(--primary-green);box-shadow:0 0 0 3px 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#0000000d,0 2px 4px -1px #00000008;box-shadow:var(--card-shadow);color:inherit;display:flex;flex-direction:column;justify-content:space-between;min-height:160px;padding:20px;position:relative;text-decoration:none;transition:all .2s ease}.subject-card:hover{border-color:#4caf504d;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;box-shadow:var(--hover-shadow);transform:translateY(-4px)}.card-top{align-items:flex-start;display:flex;justify-content:space-between}.subject-title{color:#2c3e50;color:var(--text-dark);font-size:1.2rem;font-weight:700;line-height:1.3;margin:0;padding-right:30px}.btn-delete{background:#0000;border:none;border-radius:4px;color:#ccc;cursor:pointer;opacity:0;padding:4px;position:absolute;right:15px;top:15px;transition:all .2s}.subject-card:hover 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