:root{--bk-bg:#f7f8fa;--bk-surface:#ffffff;--bk-text:#1c1f26;--bk-text-muted:#5b6472;--bk-primary:#0f6e4e;--bk-primary-hover:#0b5a3f;--bk-secondary:#eef2f0;--bk-border:#e1e5ea;--bk-danger:#c0392b;--bk-radius:12px;--bk-max-width:1040px}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--bk-bg);color:var(--bk-text);font-family:Vazirmatn,IRANSans,Tahoma,Arial,sans-serif;line-height:1.8}a{color:inherit}.container{max-width:var(--bk-max-width);margin:0 auto;padding:0 20px}.btn{display:inline-block;border-radius:var(--bk-radius);padding:14px 28px;font-size:16px;font-weight:700;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background-color .15s ease,color .15s ease,border-color .15s ease}.btn-primary{background:var(--bk-primary);color:#fff}.btn-primary:hover{background:var(--bk-primary-hover)}.btn-secondary{background:transparent;color:var(--bk-primary);border-color:var(--bk-primary)}.btn-secondary:hover{background:var(--bk-secondary)}.btn:disabled{opacity:.6;cursor:not-allowed}.card{background:var(--bk-surface);border:1px solid var(--bk-border);border-radius:var(--bk-radius);padding:24px}.form-field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-field label{font-weight:600;font-size:14px}.form-field input,.form-field textarea{font-family:inherit;font-size:15px;padding:12px 14px;border-radius:10px;border:1px solid var(--bk-border);background:#fff;color:var(--bk-text)}.form-field input:focus,.form-field textarea:focus{outline:2px solid var(--bk-primary);outline-offset:1px}.form-error{color:var(--bk-danger);font-size:13px}.text-muted{color:var(--bk-text-muted)}