:root{--chmod-bg:#fff;--chmod-text:#0f172a;--chmod-text-secondary:#475569;--chmod-text-muted:#64748b;--chmod-border:#e2e8f0;--chmod-border-light:#f1f5f9;--chmod-input-bg:#f8fafc;--chmod-input-border:#cbd5e1;--chmod-input-focus:var(--main-primary);--chmod-primary:var(--main-primary);--chmod-primary-light:#6366f114;--chmod-primary-medium:#6366f126;--chmod-check-size:20px;--chmod-preset-bg:#f1f5f9;--chmod-preset-hover:#e2e8f0;--chmod-preset-active-bg:var(--main-primary);--chmod-preset-active-text:#fff;--chmod-preview-bg:#1e293b;--chmod-preview-text:#e2e8f0;--chmod-cmd-bg:#f8fafc;--chmod-octal-text:var(--main-primary);--chmod-breakdown-bg:#f8fafc;--chmod-special-bg:#f8fafc;--chmod-type-active-bg:var(--main-primary);--chmod-type-active-text:#fff;--chmod-type-bg:#f1f5f9;--chmod-type-text:#475569}._chmod-container{gap:var(--main-space-4);flex-direction:column;max-width:600px;margin:0 auto;display:flex}@media (max-width:768px){._chmod-container{padding-left:1rem;padding-right:1rem}}._chmod-matrix-card{background:var(--chmod-bg);border-radius:var(--main-radius-lg);padding:var(--main-space-5);box-shadow:var(--main-shadow-sm);border-style:solid;border-width:1px;border-color:var(--chmod-border)}._chmod-table{border-collapse:collapse;width:100%}._chmod-th{font-size:var(--main-text-sm);color:var(--chmod-text-secondary);text-align:center;white-space:nowrap;padding:.5rem .75rem;font-weight:600}._chmod-th-label{width:120px}._chmod-th-octal{width:60px}._chmod-perm-value{color:var(--chmod-text-muted);font-weight:400;font-size:var(--main-text-xs)}._chmod-row{border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--chmod-border-light)}._chmod-row:last-child{border-bottom-width:0}._chmod-role-label{font-weight:600;font-size:var(--main-text-sm);color:var(--chmod-text);white-space:nowrap;padding:.75rem .75rem .75rem 0}._chmod-role-hint{color:var(--chmod-text-muted);font-weight:400;font-size:var(--main-text-xs)}._chmod-cell{text-align:center;padding:.75rem}._chmod-octal-cell{font-family:var(--main-font-mono);color:var(--chmod-octal-text);min-width:40px;font-size:1.125rem;font-weight:700}._chmod-check{cursor:pointer;justify-content:center;align-items:center;display:inline-flex;position:relative}._chmod-check input{opacity:0;width:0;height:0;position:absolute}._chmod-checkmark{width:var(--chmod-check-size);height:var(--chmod-check-size);border-style:solid;border-width:2px;border-color:var(--chmod-input-border);border-radius:var(--main-radius-sm);background:var(--chmod-bg);transition:all .15s;position:relative}._chmod-check input:checked+._chmod-checkmark,._chmod-special-check input:checked+._chmod-checkmark{background:var(--chmod-primary);border-color:var(--chmod-primary)}._chmod-check input:checked+._chmod-checkmark:after,._chmod-special-check input:checked+._chmod-checkmark:after{content:"";border:2px solid #fff;border-width:0 2px 2px 0;width:5px;height:9px;position:absolute;top:2px;left:5.5px;transform:rotate(45deg)}._chmod-check:hover ._chmod-checkmark,._chmod-special-check:hover ._chmod-checkmark{border-color:var(--chmod-primary)}._chmod-check input:focus-visible+._chmod-checkmark{outline:2px solid var(--chmod-primary);outline-offset:2px}._chmod-special-check input:focus-visible+._chmod-checkmark{outline:2px solid var(--chmod-primary);outline-offset:2px}._chmod-special{align-items:center;gap:var(--main-space-4);padding:var(--main-space-3) var(--main-space-4);margin-top:var(--main-space-3);background:var(--chmod-special-bg);border-radius:var(--main-radius);flex-wrap:wrap;display:flex}._chmod-special-title{font-size:var(--main-text-sm);color:var(--chmod-text-secondary);font-weight:600}._chmod-special-check{cursor:pointer;font-size:var(--main-text-sm);color:var(--chmod-text-secondary);align-items:center;gap:.375rem;display:inline-flex;position:relative}._chmod-special-check input{opacity:0;width:0;height:0;position:absolute}._chmod-special-check ._chmod-checkmark{width:18px;height:18px}._chmod-special-check input:checked+._chmod-checkmark:after{width:5px;height:8px;top:1.5px;left:4.5px}._chmod-input-row{gap:var(--main-space-3);margin-top:var(--main-space-4);display:flex}._chmod-input-group{flex:1}._chmod-input-label{font-size:var(--main-text-xs);color:var(--chmod-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.375rem;font-weight:600;display:block}._chmod-input{border-style:solid;border-width:1.5px;border-color:var(--chmod-input-border);border-radius:var(--main-radius);background:var(--chmod-input-bg);width:100%;color:var(--chmod-text);text-align:center;box-sizing:border-box;padding:.625rem .75rem;font-size:1rem;font-weight:600;transition:border-color .15s,box-shadow .15s}._chmod-input:focus{border-color:var(--chmod-input-focus);background:var(--chmod-bg);outline:none;box-shadow:0 0 0 3px #6366f126}._chmod-input._chmod-input--error{border-color:var(--main-error);box-shadow:0 0 0 3px #ef44441f}._chmod-input-mono{font-family:var(--main-font-mono);letter-spacing:.1em}@media (max-width:480px){._chmod-th{font-size:var(--main-text-xs);padding:.375rem .25rem}._chmod-th-label{width:80px}._chmod-role-label{font-size:var(--main-text-xs);padding:.5rem .25rem .5rem 0}._chmod-cell{padding:.5rem .25rem}._chmod-checkmark{width:18px;height:18px}._chmod-check input:checked+._chmod-checkmark:after{width:5px;height:8px;top:1.5px;left:4.5px}._chmod-special{gap:var(--main-space-3)}}._chmod-presets{align-items:center;gap:var(--main-space-2);flex-wrap:wrap;display:flex}._chmod-presets-label{font-size:var(--main-text-sm);color:var(--chmod-text-secondary);white-space:nowrap;font-weight:600}._chmod-presets-list{flex-wrap:wrap;gap:.375rem;display:flex}._chmod-preset{border-radius:var(--main-radius);background:var(--chmod-preset-bg);color:var(--chmod-text-secondary);font-family:var(--main-font-mono);font-size:var(--main-text-sm);cursor:pointer;border-width:0;padding:.375rem .75rem;font-weight:600;transition:all .15s}._chmod-preset:hover{background:var(--chmod-preset-hover);color:var(--chmod-text)}._chmod-preset--active{background:var(--chmod-preset-active-bg);color:var(--chmod-preset-active-text)}._chmod-preset--active:hover{opacity:.9}._chmod-preset:focus-visible{outline:2px solid var(--chmod-primary);outline-offset:2px}._chmod-output-card{background:var(--chmod-bg);border-radius:var(--main-radius-lg);padding:var(--main-space-5);box-shadow:var(--main-shadow-sm);border-style:solid;border-width:1px;border-color:var(--chmod-border);gap:var(--main-space-4);flex-direction:column;display:flex}._chmod-options{justify-content:space-between;align-items:center;gap:var(--main-space-3);flex-wrap:wrap;display:flex}._chmod-option-group{border-radius:var(--main-radius);border-style:solid;border-width:1px;border-color:var(--chmod-border);display:flex;overflow:hidden}._chmod-type-btn{background:var(--chmod-type-bg);color:var(--chmod-type-text);font-size:var(--main-text-sm);cursor:pointer;border-width:0;align-items:center;gap:.375rem;padding:.4375rem .875rem;font-weight:500;transition:all .15s;display:inline-flex}._chmod-type-btn+._chmod-type-btn{border-left-style:solid;border-left-width:1px;border-left-color:var(--chmod-border)}._chmod-type-btn--active{background:var(--chmod-type-active-bg);color:var(--chmod-type-active-text)}._chmod-type-btn--active+._chmod-type-btn,._chmod-type-btn+._chmod-type-btn--active{border-left-color:var(--chmod-type-active-bg)}._chmod-type-btn:hover:not(._chmod-type-btn--active){background:var(--chmod-preset-hover)}._chmod-type-btn:focus-visible{outline:2px solid var(--chmod-primary);outline-offset:-2px}._chmod-option-check{cursor:pointer;font-size:var(--main-text-sm);color:var(--chmod-text-secondary);align-items:center;gap:.375rem;display:inline-flex;position:relative}._chmod-option-check input{opacity:0;width:0;height:0;position:absolute}._chmod-option-check ._chmod-checkmark{width:18px;height:18px}._chmod-option-check input:checked+._chmod-checkmark{background:var(--chmod-primary);border-color:var(--chmod-primary)}._chmod-option-check input:checked+._chmod-checkmark:after{content:"";border:2px solid #fff;border-width:0 2px 2px 0;width:5px;height:8px;position:absolute;top:1.5px;left:4.5px;transform:rotate(45deg)}._chmod-preview{background:var(--chmod-preview-bg);border-radius:var(--main-radius);padding:var(--main-space-3) var(--main-space-4);overflow-x:auto}._chmod-preview-label{font-size:var(--main-text-xs);color:var(--chmod-text-muted);font-weight:600;font-family:var(--main-font-mono);margin-bottom:.25rem}._chmod-preview-output{font-family:var(--main-font-mono);color:var(--chmod-preview-text);letter-spacing:.025em;white-space:nowrap;font-size:.9375rem}._chmod-commands{gap:var(--main-space-3);flex-direction:column;display:flex}._chmod-cmd-label{font-size:var(--main-text-xs);color:var(--chmod-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.25rem;font-weight:600}._chmod-cmd-row{background:var(--chmod-cmd-bg);border-radius:var(--main-radius);border-style:solid;border-width:1px;border-color:var(--chmod-border-light);align-items:center;gap:.5rem;padding:.5rem .75rem;display:flex}._chmod-cmd-code{font-family:var(--main-font-mono);font-size:var(--main-text-sm);color:var(--chmod-text);word-break:break-all;flex:1}._chmod-copy-btn{width:32px;height:32px;color:var(--chmod-text-muted);border-radius:var(--main-radius-sm);cursor:pointer;background:0 0;border-width:0;flex-shrink:0;justify-content:center;align-items:center;transition:color .15s,background .15s;display:inline-flex}._chmod-copy-btn:hover{color:var(--chmod-primary);background:var(--chmod-primary-light)}._chmod-copy-btn--copied{color:var(--main-success)}._chmod-copy-btn:focus-visible{outline:2px solid var(--chmod-primary);outline-offset:2px}._chmod-breakdown{background:var(--chmod-breakdown-bg);border-radius:var(--main-radius);padding:var(--main-space-3) var(--main-space-4)}._chmod-breakdown-label{font-size:var(--main-text-xs);color:var(--chmod-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem;font-weight:600}._chmod-breakdown-rows{flex-direction:column;gap:.25rem;min-height:4.5rem;display:flex}._chmod-breakdown-row{font-family:var(--main-font-mono);font-size:var(--main-text-sm);align-items:center;gap:.5rem;display:flex}._chmod-breakdown-role{width:55px;color:var(--chmod-text-secondary);font-family:inherit;font-weight:600;font-size:var(--main-text-xs);text-transform:uppercase}._chmod-breakdown-calc{color:var(--chmod-text-muted)}._chmod-breakdown-eq{color:var(--chmod-text-muted);margin:0 .125rem}._chmod-breakdown-result{color:var(--chmod-octal-text);font-weight:700}@media (max-width:480px){._chmod-options{flex-direction:column;align-items:flex-start}._chmod-output-card{padding:var(--main-space-4)}._chmod-cmd-row{flex-wrap:nowrap}._chmod-cmd-code{font-size:var(--main-text-xs)}}